test 1 Larsen vs A Nielsen, 1953  (A31) English, Symmetrical, Benoni Formation, 29 moves, 1-0 test 2 Bisguier vs Karpov, 1972  (A34) English, Symmetrical, 32 moves, 0-1 test 3 Karpov vs M Schauwecker, 1973  (A15) English, 45 moves, 1-0 test 4 Timman vs Karpov, 1979  (A28) English, 31 moves, 0-1 test 5 Karpov vs Korchnoi, 1988  (A33) English, Symmetrical, 60 moves, 1-0 test 6 Korchnoi vs Karpov, 1971  (A30) English, Symmetrical, 38 moves, 0-1 Polugaevsky vs Stein, 1961  (E82) King's Indian, Samisch, double Fianchetto Variation, 40 moves, 1-0 Short vs Karpov, 1992  (C86) Ruy Lopez, Worrall Attack, 28 moves, 1-0 Nimzowitsch vs Levenfish, 1911   (C02) French, Advance, 37 moves, 1-0 Petrosian vs Y Kotkov, 1946   (E10) Queen's Pawn Game, 20 moves, 1-0 Lasker vs F Duz-Khotimirsky, 1925  (C84) Ruy Lopez, Closed, 51 moves, 1-0 F Duz-Khotimirsky vs Lasker, 1909  (D37) Queen's Gambit Declined, 42 moves, 1-0 12 games