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- 11...axb5 (not 12.exf6), 11...axb5 12.exf6 Qb6, 11.Nxb5 (not 11...Ng4, 11...Nxe5, 11...axb5, 12.Nxe5), 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 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 - Semi-Slav Defense: Meran Variation, Blumenfeld Variation, SÉRIE D
Rotterdam tt 1988 – Round 3.5 – Petran, Pal – 1-0 – Piket, Jeroen – G21

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- A50 - A59 1. d4 Nf6 2. c4, A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 - Old Indian Defense: Ukrainian Variation, A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3 - Old Indian Defense: Duz-Khotimirsky Variation, SÉRIE A
Rotterdam tt 1988 – Round 6.4 – Speelman, Jon S – 1/2-1/2 – Lobron, Eric – G23

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