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- 6.a3 (not 6...Bxc5), E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E39 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O - Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation, SÉRIE E
? 1990 – Round ? – Chernin, Alexander – 1-0 – Horvath, Jozsef M – G8

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- 11.Bd2 Kh8, 9...Ne8 10.Nd3 f5, E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E98 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 - King's Indian Defense: Orthodox Variation, Classical System, SÉRIE E
? 1990 – Round ? – Georgiev, Kiril – 0-1 – Ghinda, Mihail-Viorel – G22

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- 6.d3, A10-A39 English Opening, A37 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 - English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation, A37 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 - English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3, SÉRIE A
? 1990 – Round ? – Gurevich, Mikhail – 1/2-1/2 – Yudasin, Leonid – G5

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