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- A10-A39 English Opening, A23 - 1.c4 e5 2.Nc3 Nf6 3.g3 c6 - King's English Variation, Two Knights Variation, Keres Variation, A23a - 4.* - King's English Variation, Two Knights Variation, Keres Variation (1954), SÉRIE A
1960 Leningrad tt – Round 7 – Gurgenidze, Bukhuti – 1-0 – Zinn, Lothar – G87
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