Karel Traxler (1866 in Vlachovo Březí – 1936 in Volyně) was a Czech chess master and composer of chess problems.He is best known for the hyper-aggressive variation named after him, the Traxler Variation in the Two Knights Defense, which was first shown in the following game against Reinisch, played in Hostouň in 1890:1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5!? 5.Nxf7?! (modern theory suggests that 5.Bxf7+! is better) Bxf2+! 6.Ke2 (Traxler recommends 6.Kf1! Qe7 7.Nxh8 d5 8.exd5 Nd4, where Black has a strong attack but White may nonetheless hold) 6...Nd4+ 7.Kd3? b5! 8.Bb3 Nxe4!! 9.Nxd8 Nc5+ 10.Kc3 Ne2+! 11.Qxe2 Bd4+ 12.Kb4 a5+ 13.Kxb5 Ba6+ 14.Kxa5 Bd3+ 15.Kb4 Na6+ 16.Ka4 Nb4+ 17.Kxb4 c5# Wikipedia
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