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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, D41b - 5…cxd4 - Semi-Tarrasch, Keres Counterattack (1900), SÉRIE D
World Blitz 2023 – Round 12.28 – Sargsyan, Shant – 1/2-1/2 – Suleymanli, Aydin – G689
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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C84 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 - Ruy Lopez: Closed, C84f - 7.Bb3 - Spanish: Closed (1908), SÉRIE C
World Blitz 2023 – Round 12.29 – Kovalev, Vladislav – 1/2-1/2 – Cheparinov, Ivan – G690
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