@mychess/openings
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Chess openings.
1,229 lines (1,228 loc) • 125 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Book = {
"A00": {
"name": "Uncommon Openings",
"pgn": "1.g3 (Benko Opening), 1.Nc3 (Sleipner Opening), 1.a3 (Anderssen's Opening), 1.b4 (Sokolsky Opening), 1.g4 (Grob's Attack), 1.h3 (Basmanic Defence), 1.c3 (Saragossa Opening), 1.d3 (Mieses Opening), 1.e3 (French Attack), 1.h4 (Desprez Opening), 1.a4 (Ware Opening), 1.Nh3 (Amar Opening), 1.Na3 (Durkin's Attack), 1.f3 (Gedult's Opening)",
"fen": "rnbqkbnr/pppppppp/8/8/8/6P1/PPPPPP1P/RNBQKBNR b KQkq - 0 1",
"eco": "A00"
},
"A01": {
"name": "Nimzowitsch-Larsen Attack",
"pgn": "1.b3",
"fen": "rnbqkbnr/pppppppp/8/8/8/1P6/P1PPPPPP/RNBQKBNR b KQkq - 0 1",
"eco": "A01"
},
"A02": {
"name": "Bird's Opening",
"pgn": "1.f4",
"fen": "rnbqkbnr/pppppppp/8/8/5P2/8/PPPPP1PP/RNBQKBNR b KQkq f3 0 1",
"eco": "A02"
},
"A03": {
"name": "Bird's Opening",
"pgn": "1.f4 d5",
"fen": "rnbqkbnr/ppp1pppp/8/3p4/5P2/8/PPPPP1PP/RNBQKBNR w KQkq d6 0 2",
"eco": "A03"
},
"A04": {
"name": "Reti Opening",
"pgn": "1.Nf3",
"fen": "rnbqkbnr/pppppppp/8/8/8/5N2/PPPPPPPP/RNBQKB1R b KQkq - 1 1",
"eco": "A04"
},
"A05": {
"name": "Reti Opening",
"pgn": "1.Nf3 Nf6",
"fen": "rnbqkb1r/pppppppp/5n2/8/8/5N2/PPPPPPPP/RNBQKB1R w KQkq - 2 2",
"eco": "A05"
},
"A06": {
"name": "Reti Opening",
"pgn": "1.Nf3 d5",
"fen": "rnbqkbnr/ppp1pppp/8/3p4/8/5N2/PPPPPPPP/RNBQKB1R w KQkq d6 0 2",
"eco": "A06"
},
"A07": {
"name": "King's Indian Attack",
"pgn": "1.Nf3 d5 2.g3",
"fen": "rnbqkbnr/ppp1pppp/8/3p4/8/5NP1/PPPPPP1P/RNBQKB1R b KQkq - 0 2",
"eco": "A07"
},
"A08": {
"name": "King's Indian Attack",
"pgn": "1.Nf3 d5 2.g3 c5 3.Bg2",
"fen": "rnbqkbnr/pp2pppp/8/2pp4/8/5NP1/PPPPPPBP/RNBQK2R b KQkq - 1 3",
"eco": "A08"
},
"A09": {
"name": "Reti Opening",
"pgn": "1.Nf3 d5 2.c4",
"fen": "rnbqkbnr/ppp1pppp/8/3p4/2P5/5N2/PP1PPPPP/RNBQKB1R b KQkq c3 0 2",
"eco": "A09"
},
"A10": {
"name": "English",
"pgn": "1.c4",
"fen": "rnbqkbnr/pppppppp/8/8/2P5/8/PP1PPPPP/RNBQKBNR b KQkq c3 0 1",
"eco": "A10"
},
"A11": {
"name": "English, Anglo-Slav System",
"pgn": "1.c4 c6",
"fen": "rnbqkbnr/pp1ppppp/2p5/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - 0 2",
"eco": "A11"
},
"A12": {
"name": "English with b3",
"pgn": "1.c4 c6 2.Nf3 d5 3.b3",
"fen": "rnbqkbnr/pp2pppp/2p5/3p4/2P5/1P3N2/P2PPPPP/RNBQKB1R b KQkq - 0 3",
"eco": "A12"
},
"A13": {
"name": "English",
"pgn": "1.c4 e6",
"fen": "rnbqkbnr/pppp1ppp/4p3/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - 0 2",
"eco": "A13"
},
"A14": {
"name": "English",
"pgn": "1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O",
"fen": "rnbqk2r/ppp1bppp/4pn2/3p4/2P5/5NP1/PP1PPPBP/RNBQ1RK1 b kq - 4 5",
"eco": "A14"
},
"A15": {
"name": "English",
"pgn": "1.c4 Nf6",
"fen": "rnbqkb1r/pppppppp/5n2/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - 1 2",
"eco": "A15"
},
"A16": {
"name": "English",
"pgn": "1.c4 Nf6 2.Nc3",
"fen": "rnbqkb1r/pppppppp/5n2/8/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - 2 2",
"eco": "A16"
},
"A17": {
"name": "English",
"pgn": "1.c4 Nf6 2.Nc3 e6",
"fen": "rnbqkb1r/pppp1ppp/4pn2/8/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - 0 3",
"eco": "A17"
},
"A18": {
"name": "English, Mikenas-Carls",
"pgn": "1.c4 Nf6 2.Nc3 e6 3.e4",
"fen": "rnbqkb1r/pppp1ppp/4pn2/8/2P1P3/2N5/PP1P1PPP/R1BQKBNR b KQkq e3 0 3",
"eco": "A18"
},
"A19": {
"name": "English, Mikenas-Carls, Sicilian Variation",
"pgn": "1.c4 Nf6 2.Nc3 e6 3.e4 c5",
"fen": "rnbqkb1r/pp1p1ppp/4pn2/2p5/2P1P3/2N5/PP1P1PPP/R1BQKBNR w KQkq c6 0 4",
"eco": "A19"
},
"A20": {
"name": "English",
"pgn": "1.c4 e5",
"fen": "rnbqkbnr/pppp1ppp/8/4p3/2P5/8/PP1PPPPP/RNBQKBNR w KQkq e6 0 2",
"eco": "A20"
},
"A21": {
"name": "English",
"pgn": "1.c4 e5 2.Nc3",
"fen": "rnbqkbnr/pppp1ppp/8/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - 1 2",
"eco": "A21"
},
"A22": {
"name": "English",
"pgn": "1.c4 e5 2.Nc3 Nf6",
"fen": "rnbqkb1r/pppp1ppp/5n2/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - 2 3",
"eco": "A22"
},
"A23": {
"name": "English, Bremen System, Keres Variation",
"pgn": "1.c4 e5 2.Nc3 Nf6 3.g3 c6",
"fen": "rnbqkb1r/pp1p1ppp/2p2n2/4p3/2P5/2N3P1/PP1PPP1P/R1BQKBNR w KQkq - 0 4",
"eco": "A23"
},
"A24": {
"name": "English, Bremen System with ...g6",
"pgn": "1.c4 e5 2.Nc3 Nf6 3.g3 g6",
"fen": "rnbqkb1r/pppp1p1p/5np1/4p3/2P5/2N3P1/PP1PPP1P/R1BQKBNR w KQkq - 0 4",
"eco": "A24"
},
"A25": {
"name": "English",
"pgn": "1.c4 e5 2.Nc3 Nc6",
"fen": "r1bqkbnr/pppp1ppp/2n5/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - 2 3",
"eco": "A25"
},
"A26": {
"name": "English",
"pgn": "1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6",
"fen": "r1bqk1nr/ppp2pbp/2np2p1/4p3/2P5/2NP2P1/PP2PPBP/R1BQK1NR w KQkq - 0 6",
"eco": "A26"
},
"A27": {
"name": "English, Three Knights System",
"pgn": "1.c4 e5 2.Nc3 Nc6 3.Nf3",
"fen": "r1bqkbnr/pppp1ppp/2n5/4p3/2P5/2N2N2/PP1PPPPP/R1BQKB1R b KQkq - 3 3",
"eco": "A27"
},
"A28": {
"name": "English",
"pgn": "1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6",
"fen": "r1bqkb1r/pppp1ppp/2n2n2/4p3/2P5/2N2N2/PP1PPPPP/R1BQKB1R w KQkq - 4 4",
"eco": "A28"
},
"A29": {
"name": "English, Four Knights, Kingside Fianchetto",
"pgn": "1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 g3",
"fen": "r1bqkb1r/pppp1ppp/2n2n2/4p3/2P5/2N2NP1/PP1PPP1P/R1BQKB1R b KQkq - 0 4",
"eco": "A29"
},
"A30": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/2P5/8/PP1PPPPP/RNBQKBNR w KQkq c6 0 2",
"eco": "A30"
},
"A31": {
"name": "English, Symmetrical, Benoni Formation",
"pgn": "1.c4 c5 2.Nf3 Nf6 3.d4",
"fen": "rnbqkb1r/pp1ppppp/5n2/2p5/2PP4/5N2/PP2PPPP/RNBQKB1R b KQkq d3 0 3",
"eco": "A31"
},
"A32": {
"name": "English, Symmetrical Variation",
"pgn": "1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6",
"fen": "rnbqkb1r/pp1p1ppp/4pn2/8/2PN4/8/PP2PPPP/RNBQKB1R w KQkq - 0 5",
"eco": "A32"
},
"A33": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6",
"fen": "r1bqkb1r/pp1p1ppp/2n1pn2/8/2PN4/2N5/PP2PPPP/R1BQKB1R w KQkq - 2 6",
"eco": "A33"
},
"A34": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - 1 2",
"eco": "A34"
},
"A35": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3 Nc6",
"fen": "r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - 2 3",
"eco": "A35"
},
"A36": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7",
"fen": "r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N3P1/PP1PPPBP/R1BQK1NR w KQkq - 2 5",
"eco": "A36"
},
"A37": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3",
"fen": "r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R b KQkq - 3 5",
"eco": "A37"
},
"A38": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6",
"fen": "r1bqk2r/pp1pppbp/2n2np1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq - 4 6",
"eco": "A38"
},
"A39": {
"name": "English, Symmetrical",
"pgn": "1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4",
"fen": "r1bq1rk1/pp1pppbp/2n2np1/2p5/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 b - d3 0 7",
"eco": "A39"
},
"A40": {
"name": "Unusual Black responses to 1.d4",
"pgn": "1...e5 (Englund Gambit), 1...b5 (Polish Defence), 1...Nc6 (Nimzowitsch Defence), 1...g6 (Modern Defence without 2.e4), 1...e6 (French Indian Defence)",
"fen": "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
"eco": "A40"
},
"A41": {
"name": "Tartakower System",
"pgn": "1.d4 d6",
"fen": "rnbqkbnr/ppp1pppp/3p4/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq - 0 2",
"eco": "A41"
},
"A42": {
"name": "Tartakower System with 2.c4",
"pgn": "1.d4 d6 2.c4",
"fen": "rnbqkbnr/ppp1pppp/3p4/8/2PP4/8/PP2PPPP/RNBQKBNR b KQkq c3 0 2",
"eco": "A42"
},
"A43": {
"name": "Various Benonis",
"pgn": "1.d4 c5",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/3P4/8/PPP1PPPP/RNBQKBNR w KQkq c6 0 2",
"eco": "A43"
},
"A44": {
"name": "Semi-Benoni",
"pgn": "1.d4 c5 2.d5 e5 3.e4 d6",
"fen": "rnbqkbnr/pp3ppp/3p4/2pPp3/4P3/8/PPP2PPP/RNBQKBNR w KQkq - 0 4",
"eco": "A44"
},
"A45": {
"name": "Trompowsky Attack",
"pgn": "1.d4 Nf6 2.Bg5",
"fen": "rnbqkb1r/pppppppp/5n2/6B1/3P4/8/PPP1PPPP/RN1QKBNR b KQkq - 2 2",
"eco": "A45"
},
"A46": {
"name": "Unusual Indian Openings with 2.Nf3",
"pgn": "1.d4 Nf6 2.Nf3",
"fen": "rnbqkb1r/pppppppp/5n2/8/3P4/5N2/PPP1PPPP/RNBQKB1R b KQkq - 2 2",
"eco": "A46"
},
"A47": {
"name": "Unusual Indian Openings with 2.Nf3",
"pgn": "1.d4 Nf6 2.Nf3 b6",
"fen": "rnbqkb1r/p1pppppp/1p3n2/8/3P4/5N2/PPP1PPPP/RNBQKB1R w KQkq - 0 3",
"eco": "A47"
},
"A48": {
"name": "London System",
"pgn": "1.d4 Nf6 2.Nf3 e6 3.Bf4",
"fen": "rnbqkb1r/pppp1ppp/4pn2/8/3P1B2/5N2/PPP1PPPP/RN1QKB1R b KQkq - 1 3",
"eco": "A48"
},
"A49": {
"name": "Fianchetto Variation",
"pgn": "1.d4 Nf6 2.Nf3 e6 3.g3",
"fen": "rnbqkb1r/pppp1ppp/4pn2/8/3P4/5NP1/PPP1PP1P/RNBQKB1R b KQkq - 0 3",
"eco": "A49"
},
"A50": {
"name": "Black Knights' Tango",
"pgn": "1.d4 Nf6 2.c4 Nc6",
"fen": "r1bqkb1r/pppppppp/2n2n2/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq - 1 3",
"eco": "A50"
},
"A51": {
"name": "Budapest Gambit Declined and Unusual Lines",
"pgn": "1.d4 Nf6 2.c4 e5",
"fen": "rnbqkb1r/pppp1ppp/5n2/4p3/2PP4/8/PP2PPPP/RNBQKBNR w KQkq e6 0 3",
"eco": "A51"
},
"A52": {
"name": "Budapest Gambit Main Lines",
"pgn": "1.d4 Nf6 2.c4 e5 3.dxe5 Ng4",
"fen": "rnbqkb1r/pppp1ppp/8/4P3/2P3n1/8/PP2PPPP/RNBQKBNR w KQkq - 1 4",
"eco": "A52"
},
"A53": {
"name": "Old Indian Defence",
"pgn": "1.d4 Nf6 2.c4 d6",
"fen": "rnbqkb1r/ppp1pppp/3p1n2/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq - 0 3",
"eco": "A53"
},
"A54": {
"name": "Old Indian Defence main lines",
"pgn": "1.d4 Nf6 2.c4 d6 3.Nc3 e5",
"fen": "rnbqkb1r/ppp2ppp/3p1n2/4p3/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq e6 0 4",
"eco": "A54"
},
"A55": {
"name": "Old Indian Defence main lines",
"pgn": "1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3",
"fen": "rnbqkb1r/ppp2ppp/3p1n2/4p3/2PP4/2N2N2/PP2PPPP/R1BQKB1R b KQkq - 1 4",
"eco": "A55"
},
"A56": {
"name": "Czech Benoni",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5",
"fen": "rnbqkb1r/pp1ppppp/5n2/2pP4/2P5/8/PP2PPPP/RNBQKBNR b KQkq - 0 3",
"eco": "A56"
},
"A57": {
"name": "Benko/Volga Gambit sidelines",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 b5",
"fen": "rnbqkb1r/p2ppppp/5n2/1ppP4/2P5/8/PP2PPPP/RNBQKBNR w KQkq b6 0 4",
"eco": "A57"
},
"A58": {
"name": "Benko/Volga Gambit Accepted",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5",
"fen": "rnbqkb1r/p2ppppp/5n2/1PpP4/8/8/PP2PPPP/RNBQKBNR b KQkq - 0 4",
"eco": "A58"
},
"A59": {
"name": "Benko/Volga Gambit Accepted (White castles by hand)",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4",
"fen": "rn1qkb1r/4pppp/b2p1n2/2pP4/4P3/2N5/PP3PPP/R1BQKBNR b KQkq e3 0 7",
"eco": "A59"
},
"A60": {
"name": "Modern Benoni and early divergences",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6",
"fen": "rnbqkb1r/pp1p1ppp/4pn2/2pP4/2P5/8/PP2PPPP/RNBQKBNR w KQkq - 0 4",
"eco": "A60"
},
"A61": {
"name": "Modern Benoni without early e4",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6",
"fen": "rnbqkb1r/pp3ppp/3p1n2/2pP4/8/2N5/PP2PPPP/R1BQKBNR w KQkq - 0 6",
"eco": "A61"
},
"A62": {
"name": "Modern Benoni, Fianchetto Variation without early ...Nbd7",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3",
"fen": "rnbqkb1r/pp3p1p/3p1np1/2pP4/8/2N2NP1/PP2PP1P/R1BQKB1R b KQkq - 0 7",
"eco": "A62"
},
"A63": {
"name": "Modern Benoni, Fianchetto Variation sidelines",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O",
"fen": "rnbq1rk1/pp3pbp/3p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQK2R w KQ - 3 9",
"eco": "A63"
},
"A64": {
"name": "Modern Benoni, Fianchetto Variation main line",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Re8 10.Nd2 Nbd7",
"fen": "r1bqr1k1/pp1n1pbp/3p1np1/2pP4/8/2N3P1/PP1NPPBP/R1BQ1RK1 w - - 7 11",
"eco": "A64"
},
"A65": {
"name": "Modern Benoni, sidelines with early e4",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4",
"fen": "rnbqkb1r/pp3ppp/3p1n2/2pP4/4P3/2N5/PP3PPP/R1BQKBNR b KQkq e3 0 6",
"eco": "A65"
},
"A66": {
"name": "Modern Benoni, Mikenas Attack",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5",
"fen": "rnbqk2r/pp3pbp/3p1np1/2pPP3/5P2/2N5/PP4PP/R1BQKBNR b KQkq - 0 8",
"eco": "A66"
},
"A67": {
"name": "Modern Benoni, Taimanov Variation",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+",
"fen": "rnbqk2r/pp3pbp/3p1np1/1BpP4/4PP2/2N5/PP4PP/R1BQK1NR b KQkq - 2 8",
"eco": "A67"
},
"A68": {
"name": "Modern Benoni, Four Pawns Attack without 9...Re8",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Bd3",
"fen": "rnbq1rk1/pp3pbp/3p1np1/2pP4/4PP2/2NB1N2/PP4PP/R1BQK2R b KQ - 4 9",
"eco": "A68"
},
"A69": {
"name": "Modern Benoni, Four Pawns Attack with 9...Re8",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Re8",
"fen": "rnbq1rk1/pp3pbp/3p1np1/2pP4/4PP2/2N2N2/PP4PP/R1BQKB1R w KQ - 3 9",
"eco": "A69"
},
"A70": {
"name": "Modern Benoni, 7.Nf3",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3",
"fen": "rnbqkb1r/pp3p1p/3p1np1/2pP4/4P3/2N2N2/PP3PPP/R1BQKB1R b KQkq - 1 7",
"eco": "A70"
},
"A71": {
"name": "Modern Benoni, 7.Nf3 Bg7 8.Bg5 without Be2",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5",
"fen": "rnbqk2r/pp3pbp/3p1np1/2pP2B1/4P3/2N2N2/PP3PPP/R2QKB1R b KQkq - 3 8",
"eco": "A71"
},
"A72": {
"name": "Modern Benoni, Classical Variation with Bg5",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.Bg5",
"fen": "rnbq1rk1/pp3pbp/3p1np1/2pP2B1/4P3/2N2N2/PP2BPPP/R2QK2R b KQ - 5 9",
"eco": "A72"
},
"A73": {
"name": "Modern Benoni, Classical Variation and unusual Black 9th moves",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O",
"fen": "rnbq1rk1/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQ1RK1 b - - 5 9",
"eco": "A73"
},
"A74": {
"name": "Modern Benoni, Classical Variation with 9...a6",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6",
"fen": "rnbq1rk1/1p3pbp/p2p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQ1RK1 w - - 0 10",
"eco": "A74"
},
"A75": {
"name": "Modern Benoni, Classical Variation main line",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4",
"fen": "rn1q1rk1/1p3pbp/p2p1np1/2pP4/P3P1b1/2N2N2/1P2BPPP/R1BQ1RK1 w - - 1 11",
"eco": "A75"
},
"A76": {
"name": "Modern Benoni, Classical Variation with 9...Re8 10.Qc2",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Qc2",
"fen": "rnbqr1k1/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PPQ1BPPP/R1B2RK1 b - - 7 10",
"eco": "A76"
},
"A77": {
"name": "Modern Benoni, Classical Variation with 9...Re8 10.Nd2",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2",
"fen": "rnbqr1k1/pp3pbp/3p1np1/2pP4/4P3/2N5/PP1NBPPP/R1BQ1RK1 b - - 7 10",
"eco": "A77"
},
"A78": {
"name": "Modern Benoni, Classical Variation with 10...Na6",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6",
"fen": "r1bqr1k1/pp3pbp/n2p1np1/2pP4/4P3/2N5/PP1NBPPP/R1BQ1RK1 w - - 8 11",
"eco": "A78"
},
"A79": {
"name": "Modern Benoni, Classical Variation with 10...Na6 11.f3",
"pgn": "1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3",
"fen": "r1bqr1k1/pp3pbp/n2p1np1/2pP4/4P3/2N2P2/PP1NB1PP/R1BQ1RK1 b - - 0 11",
"eco": "A79"
},
"A80": {
"name": "Dutch Defence and unusual White second moves",
"pgn": "1.d4 f5",
"fen": "rnbqkbnr/ppppp1pp/8/5p2/3P4/8/PPP1PPPP/RNBQKBNR w KQkq f6 0 2",
"eco": "A80"
},
"A81": {
"name": "Dutch Defence with 2.g3",
"pgn": "1.d4 f5 2.g3",
"fen": "rnbqkbnr/ppppp1pp/8/5p2/3P4/6P1/PPP1PP1P/RNBQKBNR b KQkq - 0 2",
"eco": "A81"
},
"A82": {
"name": "Dutch Defence, Staunton Gambit",
"pgn": "1.d4 f5 2.e4",
"fen": "rnbqkbnr/ppppp1pp/8/5p2/3PP3/8/PPP2PPP/RNBQKBNR b KQkq e3 0 2",
"eco": "A82"
},
"A83": {
"name": "Dutch Defence, Staunton Gambit with 3.Nc3 Nf6 4.Bg5",
"pgn": "1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5",
"fen": "rnbqkb1r/ppppp1pp/5n2/6B1/3Pp3/2N5/PPP2PPP/R2QKBNR b KQkq - 3 4",
"eco": "A83"
},
"A84": {
"name": "Dutch Defence, 2.c4",
"pgn": "1.d4 f5 2.c4",
"fen": "rnbqkbnr/ppppp1pp/8/5p2/2PP4/8/PP2PPPP/RNBQKBNR b KQkq c3 0 2",
"eco": "A84"
},
"A85": {
"name": "Dutch Defence, 2.c4 Nf6 3.Nc3",
"pgn": "1.d4 f5 2.c4 Nf6 3.Nc3",
"fen": "rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/2N5/PP2PPPP/R1BQKBNR b KQkq - 2 3",
"eco": "A85"
},
"A86": {
"name": "Dutch Defence, Leningrad Variation sidelines",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3",
"fen": "rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR b KQkq - 0 3",
"eco": "A86"
},
"A87": {
"name": "Dutch Defence, Leningrad Variation with 5.Nf3",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 Nf6 3.g6 4.Bg2 Bg7 5.Nf3",
"fen": "rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR b KQkq - 0 3",
"eco": "A87"
},
"A88": {
"name": "Dutch Defence, Leningrad Variation main line 7...c6",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 Nf6 3.g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6",
"fen": "rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR b KQkq - 0 3",
"eco": "A88"
},
"A89": {
"name": "Dutch Defence, Leningrad Variation main line 7...Nc6",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 Nf6 3.g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6",
"fen": "rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR b KQkq - 0 3",
"eco": "A89"
},
"A90": {
"name": "Dutch Defence sidelines and Stonewall",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6",
"fen": "rnbqkb1r/pppp2pp/4pn2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR w KQkq - 0 4",
"eco": "A90"
},
"A91": {
"name": "Dutch Defence, Classical Variation sidelines",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7",
"fen": "rnbqk2r/ppppb1pp/4pn2/5p2/2PP4/6P1/PP2PPBP/RNBQK1NR w KQkq - 2 5",
"eco": "A91"
},
"A92": {
"name": "Dutch Defence, Classical Stonewall with ...Be7 and early deviations",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3",
"fen": "rnbqk2r/ppppb1pp/4pn2/5p2/2PP4/5NP1/PP2PPBP/RNBQK2R b KQkq - 3 5",
"eco": "A92"
},
"A93": {
"name": "Dutch Defence, Classical Stonewall with 7.b3",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5 6.OO O-O 7.b3",
"fen": "rnbqk2r/ppp1b1pp/4pn2/3p1p2/2PP4/5NP1/PP2PPBP/RNBQK2R w KQkq d6 0 6",
"eco": "A93"
},
"A94": {
"name": "Dutch Defence, Classical Stonewall with 7.b3 c6 8.Ba3",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5 6.O-O O-O 7.b3 c6 8.Ba3",
"fen": "rnbq1rk1/pp2b1pp/2p1pn2/3p1p2/2PP4/BP3NP1/P3PPBP/RN1Q1RK1 b - - 1 8",
"eco": "A94"
},
"A95": {
"name": "Dutch Defence, Classical Stonewall with 7.Nc3 c6",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5 6.O-O O-O 7.Nc3 c6",
"fen": "rnbq1rk1/pp2b1pp/2p1pn2/3p1p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 0 8",
"eco": "A95"
},
"A96": {
"name": "Dutch Defence, Ilyin-Genevsky Variation",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6",
"fen": "rnbq1rk1/ppp1b1pp/3ppn2/5p2/2PP4/5NP1/PP2PPBP/RNBQ1RK1 w - - 0 7",
"eco": "A96"
},
"A97": {
"name": "Dutch Defence, Ilyin-Genevsky Variation",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8",
"fen": "rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w - - 2 8",
"eco": "A97"
},
"A98": {
"name": "Dutch Defence, Ilyin-Genevsky Variation with 8.Qc2",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.Qc2",
"fen": "rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/2N2NP1/PPQ1PPBP/R1B2RK1 b - - 3 8",
"eco": "A98"
},
"A99": {
"name": "Dutch Defence, Ilyin-Genevsky Variation with 8.b3",
"pgn": "1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3",
"fen": "rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/1PN2NP1/P3PPBP/R1BQ1RK1 b - - 0 8",
"eco": "A99"
},
"B00": {
"name": "Irregular Asymmetrical Responses to 1.e4",
"pgn": "1...a6 (St.George's Defence), 1...b6 (Owens' Defence), 1...f6 (Barnes Defence), 1...h6 (Carr Defence), 1...Na6 (Lemming Defence), 1...Nc6 (Nimzowitsch Defence), 1...Nh6 (Adams Defence), 1...a5 (Cornstalk Defence), 1...b5 (Polish Gambit), 1...f5 (Fred Defence), 1...g5 (Borg Defence), 1...h5 (Goldsmith Defence)",
"fen": "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
"eco": "B00"
},
"B01": {
"name": "Scandinavian Defence",
"pgn": "1.e4 d5",
"fen": "rnbqkbnr/ppp1pppp/8/3p4/4P3/8/PPPP1PPP/RNBQKBNR w KQkq d6 0 2",
"eco": "B01"
},
"B02": {
"name": "Alekhine Defence, Unusual White third moves",
"pgn": "1.e4 Nf6 2.e5 Nd5 3.g3, 3.c4, 3.Nc3",
"fen": "rnbqkb1r/pppppppp/8/3nP3/8/6P1/PPPP1P1P/RNBQKBNR b KQkq - 0 3",
"eco": "B02"
},
"B03": {
"name": "Alekhine Defence, Four Pawns' Attack",
"pgn": "1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.g3",
"fen": "rnbqkb1r/ppp1pppp/3p4/3nP3/3P4/6P1/PPP2P1P/RNBQKBNR b KQkq - 0 4",
"eco": "B03"
},
"B04": {
"name": "Alekhine Defence, Modern Variation",
"pgn": "1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3",
"fen": "rnbqkb1r/ppp1pppp/3p4/3nP3/3P4/5N2/PPP2PPP/RNBQKB1R b KQkq - 1 4",
"eco": "B04"
},
"B05": {
"name": "Alekhine Defence, Modern Variation",
"pgn": "1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4",
"fen": "rn1qkb1r/ppp1pppp/3p4/3nP3/3P2b1/5N2/PPP2PPP/RNBQKB1R w KQkq - 2 5",
"eco": "B05"
},
"B06": {
"name": "Modern Defence",
"pgn": "1.e4 g6",
"fen": "rnbqkbnr/pppppp1p/6p1/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2",
"eco": "B06"
},
"B07": {
"name": "Pirc Defence, Unusual White second and third moves",
"pgn": "1.e4 d6",
"fen": "rnbqkbnr/ppp1pppp/3p4/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2",
"eco": "B07"
},
"B08": {
"name": "Pirc Defence, Two Knights (Quiet)",
"pgn": "1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2",
"fen": "rnbqk2r/ppp1ppbp/3p1np1/8/3PP3/2N2N2/PPP1BPPP/R1BQK2R b KQkq - 3 5",
"eco": "B08"
},
"B09": {
"name": "Pirc Defence, Austrian Attack",
"pgn": "1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4",
"fen": "rnbqkb1r/ppp1pp1p/3p1np1/8/3PPP2/2N5/PPP3PP/R1BQKBNR b KQkq f3 0 4",
"eco": "B09"
},
"B10": {
"name": "Caro-Kann Defence, Unusual White second moves",
"pgn": "1.e4 c6",
"fen": "rnbqkbnr/pp1ppppp/2p5/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2",
"eco": "B10"
},
"B11": {
"name": "Caro-Kann Defence, Two Knights Variation",
"pgn": "1.e4 c6 2.Nc3",
"fen": "rnbqkbnr/pp1ppppp/2p5/8/4P3/2N5/PPPP1PPP/R1BQKBNR b KQkq - 1 2",
"eco": "B11"
},
"B12": {
"name": "Caro-Kann Defence, Classical Variation",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5",
"fen": "rn1qkbnr/pp2pppp/2p5/5b2/3PN3/8/PPP2PPP/R1BQKBNR w KQkq - 1 5",
"eco": "B12"
},
"B13": {
"name": "Caro-Kann Defence, Panov-Botvinnik Attack",
"pgn": "1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4",
"fen": "rnbqkbnr/pp2pppp/8/3p4/2PP4/8/PP3PPP/RNBQKBNR b KQkq c3 0 4",
"eco": "B13"
},
"B14": {
"name": "Caro-Kann Defence, Panov-Botvinnik Attack with 5...g6",
"pgn": "1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6",
"fen": "rnbqkb1r/pp2pp1p/5np1/3p4/2PP4/2N5/PP3PPP/R1BQKBNR w KQkq - 0 6",
"eco": "B14"
},
"B15": {
"name": "Caro-Kann Defence, Korchnoi Variation",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 exf6",
"fen": "rnbqkb1r/pp3ppp/2p2p2/8/3P4/8/PPP2PPP/R1BQKBNR w KQkq - 0 6",
"eco": "B15"
},
"B16": {
"name": "Caro-Kann Defence, Larsen-Bronstein Variation",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5. Nxf6 gxf6",
"fen": "rnbqkb1r/pp2pp1p/2p2p2/8/3P4/8/PPP2PPP/R1BQKBNR w KQkq - 0 6",
"eco": "B16"
},
"B17": {
"name": "Caro-Kann Defence, Modern Variation",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7",
"fen": "r1bqkbnr/pp1npppp/2p5/8/3PN3/8/PPP2PPP/R1BQKBNR w KQkq - 1 5",
"eco": "B17"
},
"B18": {
"name": "Caro-Kann Defence, Classical Variation sidelines",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5",
"fen": "rn1qkbnr/pp2pppp/2p5/5b2/3PN3/8/PPP2PPP/R1BQKBNR w KQkq - 1 5",
"eco": "B18"
},
"B19": {
"name": "Caro-Kann Defence, Classical Variation main line",
"pgn": "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5. Ng3 Bg6 6.h4 h6 7.Nf3",
"fen": "rn1qkbnr/pp2ppp1/2p3bp/8/3P3P/5NN1/PPP2PP1/R1BQKB1R b KQkq - 1 7",
"eco": "B19"
},
"B20": {
"name": "Sicilian Defence, Unusual White second moves",
"pgn": "1.e4 c5",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq c6 0 2",
"eco": "B20"
},
"B21": {
"name": "Sicilian Defence, Smith-Morra Gambit",
"pgn": "1.e4 c5 2.d4 cxd4 3.c3",
"fen": "rnbqkbnr/pp1ppppp/8/8/3pP3/2P5/PP3PPP/RNBQKBNR b KQkq - 0 3",
"eco": "B21"
},
"B22": {
"name": "Sicilian Defence, Alapin Variation",
"pgn": "1.e4 c5 2.c3",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/4P3/2P5/PP1P1PPP/RNBQKBNR b KQkq - 0 2",
"eco": "B22"
},
"B23": {
"name": "Sicilian Defence, Grand Prix Attack",
"pgn": "1.e4 c5 2.Nc3 Nc6 3.f4",
"fen": "r1bqkbnr/pp1ppppp/2n5/2p5/4PP2/2N5/PPPP2PP/R1BQKBNR b KQkq f3 0 3",
"eco": "B23"
},
"B24": {
"name": "Closed Sicilian, 3.g3 sidelines",
"pgn": "1.e4 c5 2.Nc3 Nc6 3.g3",
"fen": "r1bqkbnr/pp1ppppp/2n5/2p5/4P3/2N3P1/PPPP1P1P/R1BQKBNR b KQkq - 0 3",
"eco": "B24"
},
"B25": {
"name": "Closed Sicilian, 3.g3 without early Be3",
"pgn": "1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7",
"fen": "r1bqk1nr/pp1pppbp/2n3p1/2p5/4P3/2N3P1/PPPP1PBP/R1BQK1NR w KQkq - 2 5",
"eco": "B25"
},
"B26": {
"name": "Closed Sicilian, 3.g3 with early Be3",
"pgn": "1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Be3",
"fen": "r1bqk1nr/pp1pppbp/2n3p1/2p5/4P3/2N3P1/PPPP1PBP/R1BQK1NR w KQkq - 2 5",
"eco": "B26"
},
"B27": {
"name": "Sicilian Defence, 2.Nf3 early deviations",
"pgn": "1.e4 c5 2.Nf3",
"fen": "rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2",
"eco": "B27"
},
"B28": {
"name": "Sicilian Defence, O'Kelly Variation",
"pgn": "1.e4 c5 2.Nf3 a6",
"fen": "rnbqkbnr/1p1ppppp/p7/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 0 3",
"eco": "B28"
},
"B29": {
"name": "Sicilian Defence, Nimzowitsch Variation",
"pgn": "1.e4 c5 2.Nf3 Nf6",
"fen": "rnbqkb1r/pp1ppppp/5n2/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 2 3",
"eco": "B29"
},
"B30": {
"name": "Sicilian Defence, Rossolimo Variation without ...g6",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.Bb5",
"fen": "r1bqkbnr/pp1ppppp/2n5/1Bp5/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 3 3",
"eco": "B30"
},
"B31": {
"name": "Sicilian Defence, Rossolimo Variation with 3...g6",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.Bb5 g6",
"fen": "r1bqkbnr/pp1ppp1p/2n3p1/1Bp5/4P3/5N2/PPPP1PPP/RNBQK2R w KQkq - 0 4",
"eco": "B31"
},
"B32": {
"name": "Sicilian Defence, Löwenthal and Kalashnikov Variations",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5",
"fen": "r1bqkbnr/pp1p1ppp/2n5/4p3/3NP3/8/PPP2PPP/RNBQKB1R w KQkq e6 0 5",
"eco": "B32"
},
"B33": {
"name": "Sicilian Defence, Pelikan and Sveshnikov Variations",
"pgn": "1.1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5",
"fen": "r1bqkb1r/pp1p1ppp/2n2n2/4p3/3NP3/2N5/PPP2PPP/R1BQKB1R w KQkq e6 0 6",
"eco": "B33"
},
"B34": {
"name": "Sicilian Defence, Accelerated Dragon sidelines",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6",
"fen": "r1bqkbnr/pp1ppp1p/2n3p1/8/3NP3/8/PPP2PPP/RNBQKB1R w KQkq - 0 5",
"eco": "B34"
},
"B35": {
"name": "Sicilian Defence, Accelerated Dragon main line",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4",
"fen": "r1bqk2r/pp1pppbp/2n2np1/8/2BNP3/2N1B3/PPP2PPP/R2QK2R b KQkq - 5 7",
"eco": "B35"
},
"B36": {
"name": "Sicilian Defence, Maroczy Bind, Gurgenidze System",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nxd4 6.Qxd4",
"fen": "r1bqkbnr/pp1ppp1p/6p1/8/2PQP3/8/PP3PPP/RNB1KB1R b KQkq - 0 6",
"eco": "B36"
},
"B37": {
"name": "Sicilian Defence, Maroczy Bind with 5...Bg7 sidelines",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7",
"fen": "r1bqk1nr/pp1pppbp/2n3p1/8/2PNP3/8/PP3PPP/RNBQKB1R w KQkq - 1 6",
"eco": "B37"
},
"B38": {
"name": "Sicilian Defence, Maroczy Bind with 5...Bg7 and 7...O-O",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 O-O",
"fen": "r1bq1rk1/pp1pppbp/2n2np1/8/2PNP3/2N1B3/PP3PPP/R2QKB1R w KQ - 5 8",
"eco": "B38"
},
"B39": {
"name": "Sicilian Defence, Maroczy Bind with 5...Bg7 main line",
"pgn": "1.e4 c5 2.Nc3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 Nxd4",
"fen": "r1bqkbnr/pp1ppppp/2n5/8/3pP3/2N5/PPP2PPP/R1BQKBNR w KQkq - 0 4",
"eco": "B39"
},
"B40": {
"name": "Sicilian Defence, 2...e6 miscellaneous",
"pgn": "1.e4 c5 2.Nf3 e6",
"fen": "rnbqkbnr/pp1p1ppp/4p3/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 0 3",
"eco": "B40"
},
"B41": {
"name": "Sicilian Defence, Kan Variation unusual lines",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6",
"fen": "rnbqkbnr/1p1p1ppp/p3p3/8/3NP3/8/PPP2PPP/RNBQKB1R w KQkq - 0 5",
"eco": "B41"
},
"B42": {
"name": "Sicilian Defence, Kan Variation with 5.Bd3",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3",
"fen": "rnbqkbnr/1p1p1ppp/p3p3/8/3NP3/3B4/PPP2PPP/RNBQK2R b KQkq - 1 5",
"eco": "B42"
},
"B43": {
"name": "Sicilian Defence, Kan Variation with 5.Nc3",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3",
"fen": "rnbqkbnr/1p1p1ppp/p3p3/8/3NP3/2N5/PPP2PPP/R1BQKB1R b KQkq - 1 5",
"eco": "B43"
},
"B44": {
"name": "Sicilian Defence, Taimanov Variation with 5.Nb5",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5",
"fen": "r1bqkbnr/pp1p1ppp/2n1p3/1N6/4P3/8/PPP2PPP/RNBQKB1R b KQkq - 2 5",
"eco": "B44"
},
"B45": {
"name": "Sicilian Defence, Four Knights' Variation",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6",
"fen": "r1bqkb1r/pp1p1ppp/2n1pn2/8/3NP3/2N5/PPP2PPP/R1BQKB1R w KQkq - 3 6",
"eco": "B45"
},
"B46": {
"name": "Sicilian Defence, Taimanov Variation with 5.Nc3",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3",
"fen": "r1bqkbnr/pp1p1ppp/2n1p3/8/3NP3/2N5/PPP2PPP/R1BQKB1R b KQkq - 2 5",
"eco": "B46"
},
"B47": {
"name": "Sicilian Defence, Taimanov Variation with 5...Qc7",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7",
"fen": "r1b1kbnr/ppqp1ppp/2n1p3/8/3NP3/2N5/PPP2PPP/R1BQKB1R w KQkq - 3 6",
"eco": "B47"
},
"B48": {
"name": "Sicilian Defence, Taimanov Variation with 6.Be3 a6 without Be2",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6",
"fen": "r1b1kbnr/1pqp1ppp/p1n1p3/8/3NP3/2N1B3/PPP2PPP/R2QKB1R w KQkq - 0 7",
"eco": "B48"
},
"B49": {
"name": "Sicilian Defence, Taimanov Variation with 6.Be3 a6 7.Be2",
"pgn": "1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2",
"fen": "r1b1kbnr/1pqp1ppp/p1n1p3/8/3NP3/2N1B3/PPP1BPPP/R2QK2R b KQkq - 1 7",
"eco": "B49"
},
"B50": {
"name": "Sicilian Defence, 2...d6 miscellaneous",
"pgn": "1.e4 c5 2.Nf3 d6",
"fen": "rnbqkbnr/pp2pppp/3p4/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 0 3",
"eco": "B50"
},
"B51": {
"name": "Sicilian Defence, Moscow Variation early deviations",
"pgn": "1.e4 c5 2.Nf3 d6 3.Bb5",
"fen": "rnbqkbnr/pp2pppp/3p4/1Bp5/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 1 3",
"eco": "B51"
},
"B52": {
"name": "Sicilian Defence, Moscow Variation with 3...Bd7",
"pgn": "1.e4 c5 2.Nf3 d6 3.Bb5 Bd7",
"fen": "rn1qkbnr/pp1bpppp/3p4/1Bp5/4P3/5N2/PPPP1PPP/RNBQK2R w KQkq - 2 4",
"eco": "B52"
},
"B53": {
"name": "Sicilian Defence, Chekhover Variation",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4",
"fen": "rnbqkbnr/pp2pppp/3p4/8/3QP3/5N2/PPP2PPP/RNB1KB1R b KQkq - 0 4",
"eco": "B53"
},
"B54": {
"name": "Sicilian Defence, Unusual open lines",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4",
"fen": "rnbqkbnr/pp2pppp/3p4/8/3NP3/8/PPP2PPP/RNBQKB1R b KQkq - 0 4",
"eco": "B54"
},
"B55": {
"name": "Sicilian Defence, Open lines with 5.f3",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3",
"fen": "rnbqkb1r/pp2pppp/3p1n2/8/3NP3/5P2/PPP3PP/RNBQKB1R b KQkq - 0 5",
"eco": "B55"
},
"B56": {
"name": "Sicilian Defence, Unusual open lines",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3",
"fen": "rnbqkb1r/pp2pppp/3p1n2/8/3NP3/2N5/PPP2PPP/R1BQKB1R b KQkq - 2 5",
"eco": "B56"
},
"B57": {
"name": "Classical Sicilian, Sozin Variation",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4",
"fen": "r1bqkb1r/pp2pppp/2np1n2/8/2BNP3/2N5/PPP2PPP/R1BQK2R b KQkq - 1 6",
"eco": "B57"
},
"B58": {
"name": "Classical Sicilian, Boleslavsky Variation with 7.Nf3",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nf3",
"fen": "r1bqkb1r/pp3ppp/2np1n2/4p3/4P3/2N2N2/PPP1BPPP/R1BQK2R b KQkq - 1 7",
"eco": "B58"
},
"B59": {
"name": "Classical Sicilian, Boleslavsky Variation with 7.Nb3",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3",
"fen": "r1bqkb1r/pp3ppp/2np1n2/4p3/4P3/1NN5/PPP1BPPP/R1BQK2R b KQkq - 1 7",
"eco": "B59"
},
"B60": {
"name": "Classical Sicilian, Richter-Rauzer Variation sidelines",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5",
"fen": "r1bqkb1r/pp2pppp/2np1n2/6B1/3NP3/2N5/PPP2PPP/R2QKB1R b KQkq - 1 6",
"eco": "B60"
},
"B61": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 6...Bd7 7.Qd2",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2",
"fen": "r2qkb1r/pp1bpppp/2np1n2/6B1/3NP3/2N5/PPPQ1PPP/R3KB1R b KQkq - 3 7",
"eco": "B61"
},
"B62": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 6...e6 sidelines",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6",
"fen": "r1bqkb1r/pp3ppp/2nppn2/6B1/3NP3/2N5/PPP2PPP/R2QKB1R w KQkq - 0 7",
"eco": "B62"
},
"B63": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 7...Be7",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7",
"fen": "r1bqk2r/pp2bppp/2nppn2/6B1/3NP3/2N5/PPPQ1PPP/R3KB1R w KQkq - 2 8",
"eco": "B63"
},
"B64": {
"name": "Classical Sicilian, Richter-Rauzer Variation without 9...Nxd4",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4",
"fen": "r1bq1rk1/pp2bppp/2nppn2/6B1/3NPP2/2N5/PPPQ2PP/2KR1B1R b - f3 0 9",
"eco": "B64"
},
"B65": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 9...Nxd4",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4",
"fen": "r1bq1rk1/pp2bppp/3ppn2/6B1/3nPP2/2N5/PPPQ2PP/2KR1B1R w - - 0 10",
"eco": "B65"
},
"B66": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 7...a6 8.O-O-O h6",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 a6 8.O-O-O h6",
"fen": "r2qkb1r/1p1bppp1/p1np1n1p/6B1/3NP3/2N5/PPPQ1PPP/2KR1B1R w kq - 0 9",
"eco": "B66"
},
"B67": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 7...a6 and 8...Bd7",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 a6 8.O-O-O Bd7",
"fen": "r2qkb1r/1p1bpppp/p1np1n2/6B1/3NP3/2N5/PPPQ1PPP/2KR1B1R b kq - 1 8",
"eco": "B67"
},
"B68": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 9.f4 Be7",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 a6 8.O-O-O Bd7 9.f4 9.Be7",
"fen": "r2qkb1r/1p1bpppp/p1np1n2/6B1/3NP3/2N5/PPPQ1PPP/2KR1B1R b kq - 1 8",
"eco": "B68"
},
"B69": {
"name": "Classical Sicilian, Richter-Rauzer Variation with 11.Bxf6",
"pgn": "1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 a6 8.O-O-O Bd7 9.f4 9.Be7 10.Nf3 O-O 11.Bxf6",
"fen": "r2qkb1r/1p1bpppp/p1np1n2/6B1/3NP3/2N5/PPPQ1PPP/2KR1B1R b kq - 1 8",
"eco": "B69"
},
"B70": {
"name": "Dragon Sicilian, early deviations",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6",
"fen": "rnbqkb1r/pp2pp1p/3p1np1/8/3NP3/2N5/PPP2PPP/R1BQKB1R w KQkq - 0 6",
"eco": "B70"
},
"B71": {
"name": "Dragon Sicilian, Levenfish Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4",
"fen": "rnbqkb1r/pp2pp1p/3p1np1/8/3NPP2/2N5/PPP3PP/R1BQKB1R b KQkq f3 0 6",
"eco": "B71"
},
"B72": {
"name": "Dragon Sicilian, 6.Be3 without f3 and Qd2",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3",
"fen": "rnbqkb1r/pp2pp1p/3p1np1/8/3NP3/2N1B3/PPP2PPP/R2QKB1R b KQkq - 1 6",
"eco": "B72"
},
"B73": {
"name": "Dragon Sicilian, Classical System without Nb3",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O",
"fen": "r1bq1rk1/pp2ppbp/2np1np1/8/3NP3/2N1B3/PPP1BPPP/R2Q1RK1 w - - 6 9",
"eco": "B73"
},
"B74": {
"name": "Dragon Sicilian, Classical System with Nb3",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3",
"fen": "r1bq1rk1/pp2ppbp/2np1np1/8/4P3/1NN1B3/PPP1BPPP/R2Q1RK1 b - - 7 9",
"eco": "B74"
},
"B75": {
"name": "Dragon Sicilian, Yugoslav Attack miscellaneous",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3",
"fen": "rnbqk2r/pp2ppbp/3p1np1/8/3NP3/2N1BP2/PPP3PP/R2QKB1R b KQkq - 0 7",
"eco": "B75"
},
"B76": {
"name": "Dragon Sicilian, Yugoslav attack with 9.g4",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.g4",
"fen": "r1bq1rk1/pp2ppbp/2np1np1/8/3NP1P1/2N1BP2/PPPQ3P/R3KB1R b KQ g3 0 9",
"eco": "B76"
},
"B77": {
"name": "Dragon Sicilian, Yugoslav Attack with 9.Bc4 sidelines",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4",
"fen": "r1bq1rk1/pp2ppbp/2np1np1/8/2BNP3/2N1BP2/PPPQ2PP/R3K2R b KQ - 4 9",
"eco": "B77"
},
"B78": {
"name": "Dragon Sicilian, Yugoslav Attack, Soltis Variation",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.h4 h5",
"fen": "2rq1rk1/pp1bppb1/3p1np1/4n2p/3NP2P/1BN1BP2/PPPQ2P1/2KR3R w - h6 0 13",
"eco": "B78"
},
"B79": {
"name": "Dragon Sicilian, Yugoslav Attack with 10...Qa5",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5",
"fen": "r4rk1/pp1bppbp/2np1np1/q7/2BNP3/2N1BP2/PPPQ2PP/2KR3R w - - 7 11",
"eco": "B79"
},
"B80": {
"name": "Scheveningen Sicilian, 6.Be3 and English Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3",
"fen": "rnbqkb1r/pp3ppp/3ppn2/8/3NP3/2N1B3/PPP2PPP/R2QKB1R b KQkq - 1 6",
"eco": "B80"
},
"B81": {
"name": "Scheveningen Sicilian, Keres Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4",
"fen": "rnbqkb1r/pp3ppp/3ppn2/8/3NP1P1/2N5/PPP2P1P/R1BQKB1R b KQkq g3 0 6",
"eco": "B81"
},
"B82": {
"name": "Scheveningen Sicilian with 6.f4",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4",
"fen": "rnbqkb1r/pp3ppp/3ppn2/8/3NPP2/2N5/PPP3PP/R1BQKB1R b KQkq f3 0 6",
"eco": "B82"
},
"B83": {
"name": "Scheveningen Sicilian, 6.Be2 without ...a6",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 7.O-O Be7",
"fen": "r1bqk2r/pp2bppp/2nppn2/8/3NP3/2N5/PPP1BPPP/R1BQ1RK1 w kq - 4 8",
"eco": "B83"
},
"B84": {
"name": "Scheveningen Sicilian, with 6.Be2 a6",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6",
"fen": "rnbqkb1r/1p3ppp/p2ppn2/8/3NP3/2N5/PPP1BPPP/R1BQK2R w KQkq - 0 7",
"eco": "B84"
},
"B85": {
"name": "Scheveningen Sicilian with 6.Be2 a6 and early Be3",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.Be3 Be7 8.O-O O-O 9.f4",
"fen": "rnbq1rk1/1p2bppp/p2ppn2/8/3NPP2/2N1B3/PPP1B1PP/R2Q1RK1 b - f3 0 9",
"eco": "B85"
},
"B86": {
"name": "Scheveningen Sicilian, Sozin Variation without early ...b5",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4",
"fen": "rnbqkb1r/pp3ppp/3ppn2/8/2BNP3/2N5/PPP2PPP/R1BQK2R b KQkq - 1 6",
"eco": "B86"
},
"B87": {
"name": "Scheveningen Sicilian, Sozin Variation with early ...b5",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5",
"fen": "rnbqkb1r/5ppp/p2ppn2/1p6/3NP3/1BN5/PPP2PPP/R1BQK2R w KQkq b6 0 8",
"eco": "B87"
},
"B88": {
"name": "Sicilian Defence, Sozin Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4",
"fen": "r1bqkb1r/pp2pppp/2np1n2/8/2BNP3/2N5/PPP2PPP/R1BQK2R b KQkq - 4 6",
"eco": "B88"
},
"B89": {
"name": "Sicilian Defence, Velimirović Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.f4 Bd7 8.Qe2",
"fen": "r2qkb1r/pp1b1ppp/2nppn2/8/2BNPP2/2N5/PPP1Q1PP/R1B1K2R b KQkq - 2 8",
"eco": "B89"
},
"B90": {
"name": "Najdorf Sicilian, Fischer-Sozin Attack",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4",
"fen": "rnbqkb1r/1p2pppp/p2p1n2/8/2BNP3/2N5/PPP2PPP/R1BQK2R b KQkq - 1 6",
"eco": "B90"
},
"B91": {
"name": "Najdorf Sicilian with 6.g3",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3",
"fen": "rnbqkb1r/1p2pppp/p2p1n2/8/3NP3/2N3P1/PPP2P1P/R1BQKB1R b KQkq - 0 6",
"eco": "B91"
},
"B92": {
"name": "Najdorf Sicilian, Classical Variation",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2",
"fen": "rnbqkb1r/1p2pppp/p2p1n2/8/3NP3/2N5/PPP1BPPP/R1BQK2R b KQkq - 1 6",
"eco": "B92"
},
"B93": {
"name": "Najdorf Sicilian with 6.f4",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4",
"fen": "rnbqkb1r/1p2pppp/p2p1n2/8/3NPP2/2N5/PPP3PP/R1BQKB1R b KQkq f3 0 6",
"eco": "B93"
},
"B94": {
"name": "Najdorf Sicilian, old main line with 6...Nbd7",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7",
"fen": "r1bqkb1r/1p1npppp/p2p1n2/6B1/3NP3/2N5/PPP2PPP/R2QKB1R w KQkq - 2 7",
"eco": "B94"
},
"B95": {
"name": "Najdorf Sicilian, old main line, unusual White seventh moves",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6",
"fen": "rnbqkb1r/1p3ppp/p2ppn2/6B1/3NP3/2N5/PPP2PPP/R2QKB1R w KQkq - 0 7",
"eco": "B95"
},
"B96": {
"name": "Najdorf Sicilian, old main line except 7...Qb6 or 7...Be7",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4",
"fen": "rnbqkb1r/1p3ppp/p2ppn2/6B1/3NPP2/2N5/PPP3PP/R2QKB1R b KQkq f3 0 7",
"eco": "B96"
},
"B97": {
"name": "Najdorf Sicilian, Poisoned Pawn Variation",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6",
"fen": "rnb1kb1r/1p3ppp/pq1ppn2/6B1/3NPP2/2N5/PPP3PP/R2QKB1R w KQkq - 1 8",
"eco": "B97"
},
"B98": {
"name": "Najdorf Sicilian, 6.Bg5 e6 7.f4 Be7 sidelines",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7",
"fen": "rnbqk2r/1p2bppp/p2ppn2/6B1/3NPP2/2N5/PPP3PP/R2QKB1R w KQkq - 1 8",
"eco": "B98"
},
"B99": {
"name": "Najdorf Sicilian, 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 main line",
"pgn": "1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O O-O-O",
"fen": "rnb1k2r/1pq1bppp/p2ppn2/6B1/3NPP2/2N2Q2/PPP3PP/2KR1B1R b kq - 4 9",
"eco": "B99"
},
"C00": {
"name": "French Defence, unusual White second moves",
"pgn": "1.e4 e6",
"fen": "rnbqkbnr/pppp1ppp/4p3/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2",
"eco": "C00"
},
"C01": {
"name": "French Defence, Exchange Variation",
"pgn": "1.e4 e6 2.d4 d5 3.exd5 exd5",
"fen": "rnbqkbnr/ppp2ppp/8/3p4/3P4/8/PPP2PPP/RNBQKBNR w KQkq - 0 4",
"eco": "C01"
},
"C02": {
"name": "French Defence, Advance Variation",
"pgn": "1.e4 e6 2.d4 d5 3.e5",
"fen": "rnbqkbnr/ppp2ppp/4p3/3pP3/3P4/8/PPP2PPP/RNBQKBNR b KQkq - 0 3",
"eco": "C02"
},
"C03": {
"name": "French Defence, Tarrasch Variation and unusual Black third moves",
"pgn": "1.e4 e6 2.d4 d5 3.Nd2",
"fen": "rnbqkbnr/ppp2ppp/4p3/3p4/3PP3/8/PPPN1PPP/R1BQKBNR b KQkq - 1 3",
"eco": "C03"
},
"C04": {