White Elo Black Elo ECO Yr Res. #         Koellner, R 2401 Demchenko, A 2645 D04 2022 0-1 34   Koellner, R 2421 Demchenko, A 2623 A46 2023 ½-½ 88   Koellner, R 2453 Demchenko, A 2623 B07 2023 1-0 46   Koellner, R 2439 Demchenko, A 2609 B07 2024 1-0 48 Page 1
Koellner, Ruben Gideon (2401) - Demchenko, Anton (2645) - Titled Tuesday intern op 13th Sep Early (3), Chess.com INT, 2022 - D04 1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.Nbd2 Bf5 5.Ne5 h6 6.g4 Bh7 7.Bd3 Bxd3 8.cxd3 Nbd7 9.f4 e6 10.Ndf3 c5 11.g5 hxg5 12.Nxg5 Nxe5 13.dxe5 Nd7 14.h4 Be7 15.Qf3 Qb6 16.Bd2 Bxg5 17.hxg5 Rxh1+ 18.Qxh1 Qxb2 19.Ke2 O-O-O 20.Rb1 Qc2 21.Rc1 Qa4 22.Qh7 b6 23.Qxg7 Rf8 24.Rh1 c4 25.Rc1 b5 26.g6 fxg6 27.Qxg6 Rh8 28.dxc4 dxc4 29.Rg1 Qxa2 30.Rg2 c3 31.Kf3 cxd2 32.Qd3 Rh3+ 33.Kg4 d1=Q+ 34.Qxd1 Qxg2# 0-1	Search games Games: 11,649,914 / Last update: 03 Jun 2026   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
	Game link: https://www.chessbites.com/Games.aspx?d=ZkoopZrAQ
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