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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], D41n - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 - Semi-Tarrasch Main Line [+0.29], SÉRIE D
Olympiad 2002 – Round 4 – Illescas Cordoba, Miguel – 1/2-1/2 – Ivanchuk, Vasyl – G111
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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], D41r - 5…Nxd5 6.e3 Nc6 7.Bc4 - Semi-Tarrasch [+0.17], SÉRIE D
PCA Qualifiers 1993 – Round 10 – Hjartarson, Johann – 0-1 – Polugaevsky, Lev – G165
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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], D41s - 5…Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch [+0.27], SÉRIE D
PCA Qualifiers 1993 – Round 2 – Korchnoi, Viktor – 1/2-1/2 – Oll, Lembit – G19
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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], D41o - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O b6 - Semi-Tarrasch Main Line [+0.55], SÉRIE D
PCA Qualifiers 1993 – Round 3 – Nikolic, Predrag – 1-0 – Ruban, Vadim – G51
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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], D41s - 5…Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch [+0.27], SÉRIE D
PCA Qualifiers 1993 – Round 3 – Serper, Grigory – 1/2-1/2 – Kaidanov, Gregory – G38
- Lire la suite
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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], D41o - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O b6 13.Rad1 - Semi-Tarrasch Main Line [+0.45], SÉRIE D
PCA Qualifiers 1993 – Round 7 – Akopian, Vladimir – 1/2-1/2 – Ribli, Zoltan – G128
- Lire la suite
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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], D41n - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 - Semi-Tarrasch Main Line [+0.29], SÉRIE D
PCA Qualifiers 1993 – Round 8 – Hjartarson, Johann – 1/2-1/2 – Hansen, Curt – G147
- Lire la suite
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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], D41j - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Nxd5 exd5 10.dxc5 Bxc5 11.Bg5 - Semi-Tarrasch Main Line [+0.17], SÉRIE D
PCA, Tal Memorial 1995 – Round 1 – Kramnik, Vladimir – 1-0 – Kengis, Edvins – G3
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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
Petropolis Interzonal 1973 – Round 23 – Portisch, Lajos – 1-0 – Keres, Paul – G75
- Lire la suite
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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
Petrosian Memorial 2014 – Round 7.2 – Gelfand, Boris – 1-0 – Leko, Peter – G26
- Lire la suite
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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], D41j - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Nxd5 exd5 10.dxc5 Bxc5 11.Bg5 - Semi-Tarrasch Main Line [+0.17], SÉRIE D
Piterenka Blitz 2012 – Round 6 – Grischuk, Alexander – 1/2-1/2 – Nepomniachtchi, Ian – G11
- Lire la suite
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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], D41n - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O - Semi-Tarrasch Main Line [+0.51], SÉRIE D
Portoroz playoff 1973 – Round 4 – Portisch, Lajos – 1/2-1/2 – Polugaevsky, Lev – G9
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