a2 Chigorin vs Burn, 1905  (C30) King's Gambit Declined, 13 moves, 0-1 a3 L Hanssen vs E Lundin, 1928  (C36) King's Gambit Accepted, Abbazia Defense, 19 moves, 0-1 a4 G Ravinsky vs Panov, 1943  (B80) Sicilian, Scheveningen, 36 moves, 1-0 a5 Steinitz vs von Bardeleben, 1895  (C54) Giuoco Piano, 25 moves, 1-0 a6 Keres vs Kotov, 1950  (B92) Sicilian, Najdorf, Opocensky Variation, 27 moves, 1-0 a7 Keres vs W Winter, 1935  (B29) Sicilian, Nimzovich-Rubinstein, 19 moves, 1-0 a8 Reti vs H Wolf, 1922  (D64) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 32 moves, 0-1 a9 Euwe vs Rubinstein, 1921  (B29) Sicilian, Nimzovich-Rubinstein, 33 moves, 0-1 b1 P Potemkin vs Alekhine, 1912  (B20) Sicilian, 19 moves, 0-1 b2 H Clemenz vs F Eisenschmidt, 1862  (C51) Evans Gambit, 24 moves, 1-0 b3 Kotov vs Bondarevsky, 1936  (A90) Dutch, 27 moves, 0-1 b4 Alekhine vs von Feldt, 1916  (C11) French, 18 moves, 1-0 b5 Averbakh vs Kotov, 1953  (A55) Old Indian, Main line, 51 moves, 0-1 b6 Gligoric vs Petrosian, 1954  (A56) Benoni Defense, 36 moves, 1-0 b7 D Byrne vs Fischer, 1956   (D92) Grunfeld, 5.Bf4, 41 moves, 0-1 b8 Smyslov vs T Florian, 1949  (D97) Grunfeld, Russian, 25 moves, 1-0 b9 S Belavenets vs A Chistiakov, 1938  (C12) French, McCutcheon, 22 moves, 0-1 b10 Tartakower vs Euwe, 1948  (C53) Giuoco Piano, 42 moves, 0-1 b11 Chigorin vs H Caro, 1898  (C29) Vienna Gambit, 36 moves, 1-0 b12 Steinitz vs Blackburne, 1876  (C25) Vienna, 37 moves, 1-0 b13 K Hamppe vs P Meitner, 1872  (C25) Vienna, 18 moves, 1/2-1/2 b14 Morphy vs T Barnes, 1859  (C27) Vienna Game, 38 moves, 0-1 b15 Michelet vs Kieseritzky, 1843  (C37) King's Gambit Accepted, 31 moves, 1-0 23 games