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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, D41c - 5…Nxd5 6.g3 Nc6 7.Bg2 Be7 - Semi-Tarrasch, SÉRIE D
1930 Scarborough – Round 10 – Rubinstein, Akiba – 1/2-1/2 – Gruenfeld, Ernst – G52
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