5.O-OO-O6.d3d67.h3Na58.Bb3Nxb39.axb3d5 M Kovacic vs A Pinter, 1992  (C57) Two Knights, 44 moves, 1-0 5.O-OO-O 6.d3d6 7.Be3Bg4 8.Nf3Nd4 9.Nbd2Bb6 E M Sighirdjian vs L Vialaret, 1995  (C57) Two Knights, 43 moves, 1-0 4... d5 A Kazoks vs P Kahn, 1985  (C57) Two Knights, 18 moves, 0-1 4... d5 U Plath vs J Roscher, 1989  (C57) Two Knights, 18 moves, 0-1 2NDef. Ulvestad Variation Naiditsch vs Carlsen, 2006  (C57) Two Knights, 54 moves, 0-1 2NDef. Ulvestad Variation Kurkin Gambit F Vallejo Pons vs Naiditsch, 2007  (C57) Two Knights, 29 moves, 1-0 2NDef. Ulvestad Variation Klementiev vs A Mikhalchishin, 1974  (C57) Two Knights, 27 moves, 0-1 6.Ke2 Nd4+ 7.Kd3 b5 8.Bb3 Nxe4 9.Nxd8 Nc5+ 10.Kc3 Ne2+ 11.Qxe2 J Reinisch vs Traxler, 1890   (C57) Two Knights, 17 moves, 0-1 6.Kxf2Nxe4+7.Kg1Qh48.g3Nxg39.Nxh8d510.Qf3 W Schiller vs P Leisebein, 1988  (C57) Two Knights, 16 moves, 0-1 6.Kf1 Qe7 7.Nxh8 d5 8.exd5 Nd4 9.c3 Bg4 10.Qa4+ Nd7 11.Kxf2 Qh4 B Mikyska vs Traxler, 1896  (C57) Two Knights, 18 moves, 0-1 6.d4Nxd4 7.c3Nc6 8.Bb3Rf8 9.Be3Bxe3 10.fxe3d6 E Paoli vs Rossolimo, 1949  (C57) Two Knights, 25 moves, 0-1 6.Kxf2Nxe4+7.Ke3Qe78.c3Nd49.Kxe4Qh4+10.Ke3Qf4+ C van de Loo vs M Hesseling, 1983  (C57) Two Knights, 48 moves, 1-0 6.Kf1Qe77.Nxh8d58.exd5Nd49.d6cxd610.c3Bg4 R Fiedler vs L Simchen, 1989  (C57) Two Knights, 16 moves, 0-1 6.Kxf2Nxe4+7.Kg1Qh48.g3Nxg39.Nxh8Nxh110.Qf1d611.Qf7+ S Morrison vs S Spencer, 1957  (C57) Two Knights, 13 moves, 1-0 6.Kxf2Nxe4+7.Kg1Qh48.g3Nxg39.Nxh8d510.Qf3Nf5 I Braskin vs K de Smet, 1988  (C57) Two Knights, 14 moves, 1-0 6.Bd5 d6 7.c3Rf8 8.d4exd4 9.Bxc6bxc6 10.O-Odxc3 Estrin vs I A Zaitsev, 1969  (C57) Two Knights, 19 moves, 0-1 6.Kf1 Qe7 7.Nxh8 d5 8.exd5 Nd4 9.h3 Qc510.Kxf2 Nxc2+ Estrin vs L Endzelins, 1965 (C57) Two Knights, 40 moves, 1/2-1/2 6.Kf1 Qe7 7.Nxh8 d5 8.exd5 Nd4 9.h3 Bg3 10.c3 Nf5 Estrin vs J Nun, 1965  (C57) Two Knights, 16 moves, 0-1 6.Kxf2 Nxe4+ 7.Ke3Qe7 8.Kxe4Qh4+ 9.g4d5+ 10.Bxd5Bxg411.Bxc6+ A Froemmel vs W Schneider, 1989  (C57) Two Knights, 16 moves, 0-1 Le Blanchy vs D E Rumens, 1975 (C57) Two Knights, 15 moves, 0-1 6.Kf1 Qe7 7.Nxh8 d5 8.exd5 Nd4 9.d6 cxd6 10.c3 Bg4 V Tarakanov vs S Naftalin, 1973  (C57) Two Knights, 19 moves, 0-1 D Thielen vs A Froemmel, 1990  (C57) Two Knights, 24 moves, 1-0 6.Kf1Qe7 7.Nxh8d5 8.exd5Bg4 9.Be2Bxe2+ 10.Qxe2Nd4 11.Qxf2O-O-O E Reichmann vs H Ullrich, 1961  (C57) Two Knights, 19 moves, 0-1 F Borrmann vs R Andrae, 1990  (C57) Two Knights, 26 moves, 1-0 6.Kxf2 Nxe4+ 7.Kg1 Qh4 8.g3 Nxg3 9.hxg3 Qxg3+ 10.Kf1Rf8 NN vs H Schild, 1987  (C57) Two Knights, 14 moves, 0-1 Gretchuch vs Soloveyv, 1970  (C57) Two Knights, 14 moves, 0-1 F Whitacre vs D Davis, 1982  (C57) Two Knights, 16 moves, 0-1 V Machala vs Dubrava, 1975 (C57) Two Knights, 24 moves, 1-0 E Paoli vs H Steiner, 1951  (C57) Two Knights, 14 moves, 0-1 P Leisebein vs Wolfgang Pohl, 1990  (C57) Two Knights, 22 moves, 1-0 TActicaL TAngO White Rook Youth Club vs Tal, 1970  (C57) Two Knights, 28 moves, 1/2-1/2 R Rehfeld vs A Schneider, 1988  (C57) Two Knights, 15 moves, 0-1 Edelman vs I Mazel, 1928  (C57) Two Knights, 17 moves, 0-1 O Soyka vs B Tot, 1948  (C57) Two Knights, 12 moves, 0-1 D MacMurray vs A S Kussman, 1937  (C57) Two Knights, 13 moves, 0-1 F Hollingsworth vs R Steensland, 1967 (C57) Two Knights, 9 moves, 0-1 Estrin vs H Berliner, 1965  (C57) Two Knights, 42 moves, 0-1 6.Kf1Qe7 7.Nxh8d58.exd5Nd49.c3Bg410.Qa4+Nd7 Smirnov vs Ulanov, 1955  (C57) Two Knights, 16 moves, 0-1 Friedrich vs P Leisebein, 1987  (C57) Two Knights, 13 moves, 0-1 6.Kf1Qe7 7.Nxh8d58.exd5Nd49.h3Bg310.c3Nf5 S Kurkin vs Estrin, 1966  (C57) Two Knights, 25 moves, 0-1 6.Kf1Qe7 7.Nxh8d58.Qf3Bh49.Bxd5Nd410.Qa3Nxd5 Apartsev vs I A Zaitsev, 1963  (C57) Two Knights, 17 moves, 0-1 5...Kf8? 6.Bb3 d5 7.exd5 Nxd5 8.Ne4 b6 9.Qf3+ Nf6 Jensen vs Bruckert, 1988  (C57) Two Knights, 12 moves, 1-0 6.d4 Nxd4 7.c3 Ne6 8.Bxe6 dxe6 9.Qe2 Qe8 10.Be3 Bd6 Rossolimo vs L Prins, 1949  (C57) Two Knights, 43 moves, 1-0 6.Bd5 Nb4 7.d4 exd4 8.O-O Nbxd5 9.exd5 Re8 10.Qd3h6 Estrin vs M Weiss, 1971  (C57) Two Knights, 17 moves, 1-0 6.Bd5 Rf8 7.O-O d6 8.h3 Qe8 9.c3 Qg6 10.d4 Bb6 Estrin vs J Nun, 1973  (C57) Two Knights, 48 moves, 1/2-1/2 6.Bb3 Rf8 7.O-O h6 8.Nf3 d6 9.h3 Qe8 10.c3 Qh5 11.d4 Bb6 Ohla vs Briedel, 1976  (C57) Two Knights, 17 moves, 0-1 6.Bd5 Qe8 7.d3 d6 8.Bxc6 bxc6 9.Be3 Qg6 10.Nf3 Bxe3 11.fxe3Qxg2 Anand vs Beliavsky, 1991  (C57) Two Knights, 44 moves, 0-1 6.Bb3 d5 7.exd5 Nd4 8.d6+ cxd6 9.Nf7 Qf8 10.Nxh8 Mittenthal vs T Crispin, 1974  (C57) Two Knights, 13 moves, 0-1 6.Bb3 Rf8 7.O-Od6 8.Nc3Qe8 9.Nd5+Kd8 10.Nxf6gxf6 11.Nxh7 G Niemand vs P Keffler, 1970  (C57) Two Knights, 15 moves, 0-1 6.Bd5 Rf8 7.O-O d6 8.Bxc6 bxc6 9.Nf3 Bg4 10.d3 Qe8 11.Be3Qh5 K Asrian vs A Minasian, 2007  (C57) Two Knights, 23 moves, 1-0 6.Bd5 d6 7.c3 Qe8 8.d4 exd4 9.cxd4 Nxd4 10.Nc3 Qh5 Karpov vs Beliavsky, 1983  (C57) Two Knights, 34 moves, 1/2-1/2 6.Bb3 Rf8 7.Qe2 d6 8.Nc3 Qe8 9.Nd5+ Nxd5 10.Bxd5 Bxf2+11.Kd1Nd4 R B Fickling vs R Hobbs, 1975 (C57) Two Knights, 13 moves, 0-1 6.Bd5 Rf8 7.Rf1 Qe8 8.Nc3 d6 9.h3 Qg6 10.d3 h6 11.Nf3 Qxg2 I Efimov vs Shirov, 1991  (C57) Two Knights, 15 moves, 0-1 6.Bb3 d6 7.c3 Rf8 8.O-O Bg4 9.Qe1 h6 10.h3 hxg5 11.hxg4 Sils vs L Schmid, 1971  (C57) Two Knights, 14 moves, 0-1 REFUTATION Team White vs Team Black, 2017  (C57) Two Knights, 55 moves, 1-0 Niesche vs G Fahnenschmidt, 1955  (C57) Two Knights, 16 moves, 0-1 7.Ke3 G Johnstone vs B Finegold, 1992  (C57) Two Knights, 14 moves, 1/2-1/2 I F Angermann vs A Schneider, 1987  (C57) Two Knights, 12 moves, 0-1 K Williams vs K Haegg, 1928  (C57) Two Knights, 11 moves, 0-1 4...d5 O W Field vs O Tenner, 1922  (C58) Two Knights, 18 moves, 0-1 5.Nxf7 H Schmidt vs H Lietz, 1974 (C57) Two Knights, 21 moves, 0-1 K Dietrich vs J Hempel, 1966  (C57) Two Knights, 23 moves, 0-1 J Cesena vs J Dyke, 1979  (C57) Two Knights, 19 moves, 0-1 63 games