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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 - QGD [+0.31], D41h - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Nxd5 - Semi-Tarrasch Main Line [+0.24], SÉRIE D
Biel Interzonal 1976 – Round 7 – Portisch, Lajos – 1/2-1/2 – Matanovic, Aleksandar – G30
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD [+0.22], D42q - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Bf6 11.Be4 Nce7 - Semi-Tarrasch Main Line [+0.25], SÉRIE D
Biel Interzonal 1993 – Round 1 – Sveshnikov, Evgeny – 1/2-1/2 – Epishin, Vladimir – G20
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 - QGD [+0.31], D41b - 5…cxd4 - Semi-Tarrasch Keres Counterattack [+0.31], SÉRIE D
Biel Interzonal 1993 – Round 11 – Gurevich, Mikhail – 1/2-1/2 – Epishin, Vladimir – G255
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 - QGD [+0.31], D41c - 5…Nxd5 6.g3 Nc6 - Semi-Tarrasch [+0.45], SÉRIE D
Biel Interzonal 1993 – Round 3 – Georgiev, Kaloyan – 1/2-1/2 – Portisch, Lajos – G58
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- D40 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 - QGD [+0.15], D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D40n - 5.e3 Nc6 6.a3 cxd4 7.exd4 Be7 8.Bd3 - Semi-Tarrasch [+0.03], SÉRIE D
Brussels blitz 1987 – Round 1 – Kasparov, Garry – 1-0 – Larsen, Bent – G99
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD [+0.22], D42q - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Bf6 11.Be4 Nce7 - Semi-Tarrasch Main Line [+0.25], SÉRIE D
Brussels blitz 1987 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Torre, Eugenio – G1
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- D40 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 - QGD [+0.15], D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D40o - 5.e3 Nc6 6.a3 a6 - Semi-Tarrasch [+0.24], SÉRIE D
Buenos Aires 1980 – Round ? – Najdorf, Miguel – 1-0 – Kavalek, Lubomir – G38
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD [+0.22], D42m - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Nf6 11.a3 - Semi-Tarrasch Main Line [+0.55], SÉRIE D
Buenos Aires 1980 – Round 1 – Balashov, Yuri S – 1/2-1/2 – Panno, Oscar – G22
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- D40 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 - QGD [+0.15], D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D40o - 5.e3 Nc6 6.a3 a6 - Semi-Tarrasch [+0.24], SÉRIE D
Buenos Aires 1980 – Round 1 – Najdorf, Miguel – 1-0 – Kavalek, Lubomir – G14
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD [+0.22], D42i - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.a3 Bf6 - Semi-Tarrasch Main Line [+0.31], SÉRIE D
Bugojno 1978 – Round 12 – Miles, Anthony J – 1/2-1/2 – Portisch, Lajos – G65
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- D40 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 - QGD [+0.15], D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D40r - 5.e3 Nc6 6.a3 a6 7.dxc5 Bxc5 8.b4 Ba7 - Semi-Tarrasch [+0.30], SÉRIE D
Bugojno 1978 – Round 15 – Ljubojevic, Ljubomir – 1/2-1/2 – Tal, Mikhail – G86
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- D40 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 - QGD [+0.15], D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D40k - 5.e3 Nc6 6.a3 dxc4 - Semi-Tarrasch [+0.08], SÉRIE D
Bugojno 1978 – Round 4 – Hort, Vlastimil – 1/2-1/2 – Ljubojevic, Ljubomir – G28
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