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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E46 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O - Nimzo-Indian Defense: Normal Variation, E46f - 6.a3 Bd6 - Nimzo-Indian Defense: Simagin Variation (1937), SÉRIE E
Riga FIDE Grand Prix 2019 – Round 2.4 – Yu, Yangyi – 1/2-1/2 – Grischuk, Alexander – G50
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- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05h - 7…Nc6 8.Nxc6 - Open, Classical (1969), SÉRIE E
Riga FIDE Grand Prix 2019 – Round 3.1 – Mamedyarov, Shakhriyar – 1-0 – So, Wesley – G57
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D27 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 - Queen's Gambit Accepted: Classical Defense, Main Line, D27b - 7.b3 - QGA: Classical (1958), SÉRIE D
Riga FIDE Grand Prix 2019 – Round 3.2 – So, Wesley – 1/2-1/2 – Mamedyarov, Shakhriyar – G60
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