Rubinstein vs Schlechter, 1912  (D41) Queen's Gambit Declined, Semi-Tarrasch, 39 moves, 1-0 Crushing Karpov win with black. S Tatai vs Karpov, 1977  (A34) English, Symmetrical, 30 moves, 0-1 P Troeger vs Tal, 1960  (A83) Dutch, Staunton Gambit, 21 moves, 0-1 E Voellmy vs Hromadka, 1925 (D14) Queen's Gambit Declined Slav, Exchange Variation, 33 moves, 0-1 Blackburne vs Showalter, 1889   (D50) Queen's Gambit Declined, 21 moves, 1-0 A Ipatov vs S Zhigalko, 2011  (E15) Queen's Indian, 32 moves, 1-0 6 games