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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49g - 11…Nxe5 12.Nxe5 axb5 13.Qf3 Bb4 - Meran Sozin Stahlberg Attack [+0.35], SÉRIE D
1940 Ventnor City – Round 2 – Bernstein, Sidney – 1-0 – McCormick, Edgar T – G5

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49f - 11…Nxe5 12.Nxe5 axb5 13.O-O - Meran Sozin Rellstab Attack [+0.16], SÉRIE D
1941 Leningrad/Moscow – Round 4 – Lilienthal, Andor – 0-1 – Botvinnik, Mikhail – G28

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1942 Moscow RUS – Round 1 – Smyslov, Vladimir – 1-0 – Kamishov, Mikhail P – G5

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1943 Prague – Round 11 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul Petrovich – G91

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1943 Salzburg – Round 1 – Bogoljubow, Efim – 0-1 – Schmidt, Pascal – G1

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1944 USA Ch – Round 1 – Shainswit, George – 0-1 – Horowitz, Albert Israel – G1

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1945 Moskou ch-URS – Round 1 – Ratner, Boris – 1/2-1/2 – Kotov Lundqvist, Alex – G16

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1945 Novi Sad – Round 2 – Kazic, Bozidar – 1/2-1/2 – Rabar, Braslav – G49

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49g - 11…Nxe5 12.Nxe5 axb5 13.Qf3 Bb4 - Meran Sozin Stahlberg Attack [+0.35], SÉRIE D
1945 Novi Sad – Round 5 – Vidmar, Milan Jr – 1-0 – Poljakov, Aleksandr – G70

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49g - 11…Nxe5 12.Nxe5 axb5 13.Qf3 Bb4 - Meran Sozin Stahlberg Attack [+0.35], SÉRIE D
1945 Prague Prague CZE – Round 3 – Prucha, Karel – 1-0 – Stulik, Vlastimil – G4

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1945 Vina del Mar – Round 8 – Najdorf, Miguel – 1-0 – Alarcon Gutierrez, Juan David – G27

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- D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D49 - 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 - Semi-Slav [+0.30], D49j - 11…axb5 12.exf6 Qb6 - Meran Old Main Line Botvinnik Variation [+0.60], SÉRIE D
1946 Augsburg 1st – Round 9 – Zemgalis, Elmars – 1/2-1/2 – Krumins, Arvis – G17

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