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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42d - 8…* (1945), SÉRIE D
1954 Amsterdam olm – Round 1 – Vaitonis, Povilas – 1/2-1/2 – Katajisto, Olavi – G9
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42j - 10…* (1948), D42j - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 - Semi-Tarrasch (1948), SÉRIE D
1954 Kiev ch-URS – Round 1 – Lisitsin, Georgy – 1/2-1/2 – Bannik, Anatolij – G143
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42g - 10…* (1934), D42g - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.a3 - Semi-Tarrasch (1934), SÉRIE D
1954 Olympiad final A – Round 1 – Panno, Oscar – 1/2-1/2 – Horberg, Bengt-Eric – G17
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42e - 9.* (1936), SÉRIE D
1954 Olympiad final B – Round 1 – Scafarelli, Francesco – 1-0 – Bergraser, Volf – G55
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42g - 10…* (1934), D42g - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.a3 - Semi-Tarrasch (1934), SÉRIE D
1954 Olympiad prel III – Round 6 – Horberg, Bengt-Eric – 0-1 – Oren, Menachem – G26
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42g - 10…* (1934), D42g - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.a3 - Semi-Tarrasch (1934), SÉRIE D
1954 USA-URS – Round 4 – Averbakh, Yuri L – 0-1 – Byrne, David – G17
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42j - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 - Semi-Tarrasch (1948), D42p - 11…* (1955), D42p - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Bf6 - Semi-Tarrasch (1914), D42p - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Bf6 11.Be4 - Semi-Tarrasch (1955), SÉRIE D
1955 Buenos Aires CA – Round 9 – Panno, Oscar – 1-0 – Lipiniks, Leonardo – G61
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42d - 8…* (1945), SÉRIE D
1955 Clare Benedict Cup – Round 1.1 – Scafarelli, Francesco – 1/2-1/2 – Dunkelblum, Arthur – G2
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42j - 10…* (1948), D42j - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 - Semi-Tarrasch (1948), SÉRIE D
1955 Gothenburg Interzonal – Round 19 – Najdorf, Miguel – 1/2-1/2 – Pachman, Ludek – G176
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), D42j - 10…* (1948), D42j - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 - Semi-Tarrasch (1948), SÉRIE D
1955 Gothenburg Interzonal – Round 8 – Spassky, Boris Vasily – 1/2-1/2 – Bronstein, David I – G74
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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, D42d - 7…cxd4 - Semi-Tarrasch, D42d - 7…cxd4 8.exd4 - Semi-Tarrasch (1945), D42e - 7…cxd4 8.exd4 Be7 - Semi-Tarrasch (1912), D42f - 10.* (1933), D42f - 7…cxd4 8.exd4 Be7 9.O-O O-O - Semi-Tarrasch (1933), SÉRIE D
1955 Hoechst ch-GER – Round 1 – Wolk, Sigmund – 1/2-1/2 – Schuster, Thomas – 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, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD, D42i - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.a3 Bf6 - Semi-Tarrasch (1902), SÉRIE D
1955 URS Ch sf – Round 1 – Taimanov, Mark E – 1-0 – Stolyar, Danu Mikh – G10
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Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie
1950 — Kramer, Haije vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1951 — Florian, Tibor vs Eigler, Ferenc — 0-1 — Hungary ch
1951 — Florian, Tibor vs Szabo, Laszlo — 1/2-1/2 — Budapest HUN
1952 — Chaude de Silans, Chantal vs Rometti, Nicola Barbatto — 1/2-1/2 — Charleville Mezieres