White Elo Black Elo ECO Year Res. #       Koch, Juan Enrique 2087 Valerga, Diego 2506 D31 2010 0-1 36 Tristan, Leonardo 2457 Valerga, Diego 2490 D31 2013 ½-½ 32 Pichot, Alan 2550 Valerga, Diego 2458 D31 2016 ½-½ 80 Krysa, Leandro Sergio 2545 Valerga, Diego 2452 D31 2017 ½-½ 44 Di Berardino, Diego Ra... 2479 Valerga, Diego 2443 D31 2023 ½-½ 46 Gomez, Car ARG 2314 Valerga, Diego 2440 D31 2024 ½-½ 48 Kiselev, Vitaliy 2504 Valerga, Diego 2414 D31 2025 ½-½ 11 Page 1
Koch, Juan Enrique (2087) - Valerga, Diego (2506) - ARG-ch 85th (1), Buenos Aires, 2010 D31 1.c4 e6 2.Nc3 d5 3.d4 c6 4.cxd5 exd5 5.Nf3 Bf5 6.Bg5 Be7 7.Bxe7 Nxe7 8.a3 O-O 9.e3 Nd7 10.Bd3 Nb6 11.O-O Re8 12.b4 Bxd3 13.Qxd3 Nc4 14.a4 Ng6 15.g3 Qd7 16.Kg2 Re7 17.Rae1 Rae8 18.h3 Nd6 19.b5 h5 20.bxc6 bxc6 21.Qb1 h4 22.g4 f5 23.Ng5 Rf8 24.f4 Nc4 25.Qd3 Qe8 26.Nd1 fxg4 27.hxg4 Rxf4 28.Rxf4 Nxf4+ 29.exf4 Rxe1 30.Qh7+ Kf8 31.Qh8+ Ke7 32.Qxg7+ Kd8 33.Nf2 Qe2 34.Nf7+ Kc8 35.Qh8+ Kc7 36.Ne5 Qf1+ 0-1	Search games Games: 10666599 / Last update: 30 Jul 2025 GamePositionEndgames White Black Ignore colours ECO Year Result All 1-0 0-1 ½-½ Event Site Click below to set up a position to search for Set position Click the button below to select an endgame type
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