Chess Opening Theory/ECO volume D

ECO index: D00--D99Edit

D00: 1.d4 d5 unusual lines: 1. d4 d5
D01: Veresov Opening: 1. d4 d5 2. Nc3 Nf6 3. Bg5
D02: 1.d4 d5 2.Nf3 sidelines: 1. d4 d5 2. Nf3 (2...f5--A80)
D03: Torre System: 1. d4 d5 2. Nf3 Nf6 3. Bg5
D04: Colle System: 1. d4 d5 2. Nf3 Nf6 3. e3
D05: Colle System with ...e6: 1. d4 d5 2. Nf3 Nf6 3. e3 e6
D06: Queen's Gambit, Marshall Defence: 1. d4 d5 2. c4 Nf6 3. cxd5
D06: Queen's Gambit, Baltic Defence: 1. d4 d5 2. c4 Bf5
D07: Queen's Gambit, Chigorin Defence: 1. d4 d5 2. c4 Nc6
D08: Queen's Gambit, Albin Countergambit sidelines: 1. d4 d5 2. c4 e5
D09: Queen's Gambit, Albin Countergambit main line: 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3
D10: Slav Defence sidelines: 1. d4 d5 2. c4 c6
D10: Slav Defence, Exchange Variation: 1. d4 d5 2. c4 c6 3. cxd5
D10: Slav Defence, Winawer Countergambit: 1. d4 d5 2. c4 c6 3. Nc3 e5
D11: Slav Defence, 3.Nf3 sidelines: 1. d4 d5 2. c4 c6 3. Nf3
D11: Slav Defence, 3.Nf3 Nf6 4.e3 Bg4: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e3 Bg4
D12: Slav Defence, 4.e3 Bf5: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5
D13: Slav Defence, Classical Exchange Variation without ...Bf5: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5
D14: Slav Defence, Classical Exchange Variation main line: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5
D15: Slav Defence 4.Nc3 a6: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6
D15: Slav Defence 4.Nc3 dxc4 gambit lines: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4
D16: Slav Defence, Smyslov System: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6
D16: Slav Defence, Bronstein System: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4
D17: Slav Defence, 5...Bf5 sidelines: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5
D17: Slav Defence, Carlsbad Variation: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7
D17: Slav Defence, Wiesbaden Variation: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3
D18: Slav Defence, Euwe Variation without Qe2: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3
D19: Slav Defence, Euwe Variation main line: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2
D20: Queen's Gambit Accepted with 3.e3: 1. d4 d5 2. c4 dxc4 3. e3
D20: Queen's Gambit Accepted with 3.e4: 1. d4 d5 2. c4 dxc4 3. e4
D21: Queen's Gambit Accepted, 3.Nf3 sidelines: 1. d4 d5 2. c4 dxc4 3. Nf3
D22: Queen's Gambit Accepted, 3.Nf3 a6 4.e3: 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3
D23: Queen's Gambit Accepted, 3.Nf3 Nf6 sidelines: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6
D24: Queen's Gambit Accepted, 3.Nf3 Nf6 4.Nc3: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3
D25: Queen's Gambit Accepted, 4.e3 sidelines: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3
D26: Queen's Gambit Accepted, 4.e3 e6 5.Bxc4 c5 sidelines: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 4. e6 5. Bxc4 c5
D27: Queen's Gambit Accepted, Classical main line with 7.e4!?: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 4. e6 5. Bxc4 c5 6. O-O a6 7. e4
D27: Queen's Gambit Accepted, Classical main line with 7.a4: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 4. e6 5. Bxc4 c5 6. O-O a6 7. a4
D28: Queen's Gambit Accepted, Classical main line with 7.Qe2 and early ...Nc6: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 4. e6 5. Bxc4 c5 6. O-O a6 7. Qe2 Nc6
D29: Queen's Gambit Accepted, Classical main line with 7.Qe2 and early ...Nbd7: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 4. e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7
D30: Queen's Gambit Declined without 3.Nc3: 1. d4 d5 2. c4 e6
D31: Queen's Gambit Declined, Alatortsev Variation: 1. d4 d5 2. c4 e6 3. Nc3 Be7
D31: Semi-Slav without ...Nf6: 1. d4 d5 2. c4 e6 3. Nc3 c6
D32: Tarrasch Defence sidelines: 1. d4 d5 2. c4 e6 3. Nc3 c5
D33: Tarrasch Defence, 6.g3 sidelines: 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd5 5. Nf3 Nc6 6. g3
D34: Tarrasch Defence, 6.g3 Nf6 7.Bg2 Be7: 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7
D35: Queen's Gambit Declined, early deviations: 1. d4 d5 2. c4 e6 3. Nc3 Nf6
D35: Queen's Gambit Declined, Exchange Variation: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5
D36: Queen's Gambit Declined, Exchange Variation main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2
D37: Queen's Gambit Declined with 5.Bf4: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. Be7 5. Bf4
D38: Queen's Gambit Declined, Ragozin Defence: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. Bb4
D39: Queen's Gambit Declined, Ragozin Defence with 5.Bg5 dxc4: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. Bb4 5. Bg5 dxc4
D40: Queen's Gambit Declined, Semi-Tarrasch Defence: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. c5
D41: Queen's Gambit Declined, Semi-Tarrasch Defence with 5.cxd5: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. c5 5. cxd5 Nxd5
D42: Queen's Gambit Declined, Semi-Tarrasch Defence main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 4. c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3
D43: Semi-Slav, 5.Bg5 h6: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 h6
D44: Semi-Slav, Botvinnik Variation: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5
D45: Semi-Slav, 5.e3: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3
D46: Semi-Slav, 5.e3 Nbd7 6.Bd3 where Black avoids the Meran: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3
D47: Semi-Slav, Meran System sidelines: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4
D48: Semi-Slav, Meran System without early ...c5: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O
D49: Semi-Slav, Meran System main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 gxf6
D50: Queen's Gambit Declined, Dutch-Peruvian Gambit: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5
D50: Queen's Gambit Declined, Orthodox Variation sidelines: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5
D51: Queen's Gambit Declined, 4.Bg5 Nbd7 sidelines: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7
D52: Queen's Gambit Declined, Cambridge Springs Variation: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5
D53: Queen's Gambit Declined, Orthodox Variation early deviations: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
D54: Queen's Gambit Declined, Orthodox Variation without Nf3: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1
D55: Queen's Gambit Declined, Orthodox Variation without ...h6: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3
D56: Queen's Gambit Declined, Lasker Variation sidelines: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4
D57: Queen's Gambit Declined, Lasker Variation main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 exd5
D58: Queen's Gambit Declined, Tartakower Defence sidelines: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6
D59: Queen's Gambit Declined, Tartakower Defence main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5
D60: Queen's Gambit Declined, Classical Variation with unusual White seventh moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7
D61: Queen's Gambit Declined, Classical Variation with 7.Qc2: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Qc2
D62: Queen's Gambit Declined, Classical Variation with 7.Qc2 c5 8.cxd5: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Qc2 c5 8. cxd5
D63: Queen's Gambit Declined, Classical Variation with 7.Rc1: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1
D64: Queen's Gambit Declined, Classical Variation with 7.Rc1 c6 8.Qc2: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2
D65: Queen's Gambit Declined, Classical Variation with 7.Rc1 c6 8.Qc2 a6 9.cxd5: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5
D66: Queen's Gambit Declined, Classical Variation main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3
D67: Queen's Gambit Declined, 9...Nd5: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5
D68: Queen's Gambit Declined, Capablanca's Freeing Maneuver: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5
D69: Queen's Gambit Declined, Capablanca's Freeing Maneuver main line: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5
D70: Grünfeld Defence, unusual White third moves met by 3...d5: 1. d4 Nf6 2. c4 g6 (3.Nc3--E20-E99)
D71: Grünfeld Defence, Fianchetto Variation sidelines: 1. d4 Nf6 2. c4 g6 3. g3 d5
D72: Grünfeld Defence, Fianchetto Variation without Nf3: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5 6. e4
D73: Grünfeld Defence, Fianchetto Variation with 5.Nf3 sidelines: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3
D74: Grünfeld Defence, Fianchetto Variation with 5.Nf3 O-O main line: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O
D75: Grünfeld Defence, Fianchetto Variation with 5.Nf3 O-O 6.cxd5 Nxd5 7.Nc3 c5: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. Nc3 c5
D76: Grünfeld Defence, Fianchetto Variation main line with 7.O-O Nb6: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O Nb6
D77: Grünfeld Defence, Fianchetto Variation 6.O-O without 6...c6: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O
D78: Grünfeld Defence, Fianchetto Variation with 6.O-O c6: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6
D79: Grünfeld Defence, Symmetrical Variation: 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 d5 5. Nf3 O-O 6. O-O c6 7. cxd5 cxd5
D80: Grünfeld Defence, unusual White fourth moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5
D80: Grünfeld Defence, 4.Bg5: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5
D81: Grünfeld Defence, Accelerated Russian System: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3
D82: Grünfeld Defence, 4.Bf4: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4
D83: Grünfeld Defence, 4.Bf4 Bg7 5.e3 O-O: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O
D84: Grünfeld Defence, 4.Bf4 Bg7 5.e3 O-O 6.cxd5: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5
D85: Grünfeld Defence, Nadanian Variation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4
D85: Grünfeld Defence, Exchange Variation with 7.Nf3: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3
D86: Grünfeld Defence, Classical Exchange Variation sidelines: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4
D87: Grünfeld Defence, Classical Exchange Variation without ...cxd4: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O
D88: Grünfeld Defence, Classical Exchange Variation with 10.Be3 cxd4 11.cxd4: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O
D89: Grünfeld Defence, Classical Exchange Variation main line: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3
D90: Grünfeld Defence, 4.Nf3 Bg7 sidelines: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7
D91: Grünfeld Defence, 4.Nf3 Bg7 5.Bg5: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
D92: Grünfeld Defence, 4.Nf3 Bg7 5.Bf4 sidelines: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4
D93: Grünfeld Defence, 4.Nf3 Bg7 5.Bf4 main line: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3
D94: Grünfeld Defence, Closed Variation sidelines: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3
D95: Grünfeld Defence, Closed Variation main line: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3
D96: Grünfeld Defence, Russian System sidelines: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3
D97: Grünfeld Defence, Russian System main line without 7...Bg4: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4
D98: Grünfeld Defence, Russian System, Smyslov Variation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7
D99: Grünfeld Defence, Russian System main line: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3

ECO volumesEdit

ECO volume A A00-A99
ECO volume B B00-B99
ECO volume C C00-C99
ECO volume D D00-D99
ECO volume E E00-E99

External LinksEdit

Last modified on 21 August 2009, at 13:26