White Elo Black Elo ECO Year Res. #       Guelgua, Alvaro 1990 Kostov, Alexander C98 2008 ½-½ 21 Castro Rojas, Oscar Hu... 2369 Kostov, Alexander 2072 B48 2010 ½-½ 22 Carvajal Montoya, Juan... 1932 Kostov, Alexander 2072 C98 2010 ½-½ 56 Avellaneda Arevalo, Ro... 1965 Kostov, Alexander 2055 C68 2010 ½-½ 21 Torres Gonzalez, Jose ... 2202 Kostov, Alexander 2055 C44 2010 ½-½ 20 Salazar, Monica Maria 1883 Kostov, Alexander 2055 C98 2010 ½-½ 43 Page 1
Guelgua, Alvaro (1990) - Kostov, Alexander - Cali op-B (8), Cali, 2008 C98 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.d5 Nd8 14.a4 Rb8 15.Nf1 Ne8 16.g4 g6 17.Ng3 Ng7 18.Kh1 f6 19.Nh2 Nf7 20.axb5 axb5 21.Be3 ½-½	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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