White Elo Black Elo ECO Year Res. #       Van der Heyden, An Kowalczyk, Stefan B22 1997 ½-½ 22 Schoorl, Rob Kowalczyk, Stefan C42 1998 ½-½ 26 Hoogeboom, Arthur Kowalczyk, Stefan B52 1998 ½-½ 26 Pot, Erik Kowalczyk, Stefan C42 1998 ½-½ 13 Stotyn, Fabian Kowalczyk, Stefan B01 1999 ½-½ 46 Schoorl, Rob Kowalczyk, Stefan B06 1999 ½-½ 14 Azadmanesh, Moosa 2140 Kowalczyk, Stefan C62 1999 ½-½ 30 Kodentsov, Grigori Kowalczyk, Stefan E97 1999 ½-½ 42 Werle, Jan 2223 Kowalczyk, Stefan C10 1999 ½-½ 66 Vink, Nico 2302 Kowalczyk, Stefan B01 2000 ½-½ 75 Van Beek, Alexander 2275 Kowalczyk, Stefan B01 2000 ½-½ 33 Page 1
Van der Heyden, An - Kowalczyk, Stefan - NED-ch U14 (9), Leiden, 1997 B22 1.d4 Nf6 2.c4 c5 3.e3 cxd4 4.exd4 d5 5.Nf3 e6 6.Nc3 Bb4 7.a3 Be7 8.Bg5 dxc4 9.Bxc4 O-O 10.O-O Nc6 11.Rc1 a6 12.Qd2 b5 13.Ba2 h6 14.Bh4 Qb6 15.Rfd1 Rd8 16.d5 Rd7 17.Qe2 Nd8 18.dxe6 Rxd1+ 19.Rxd1 Bxe6 20.Bxf6 Bxf6 21.Nd5 Bxd5 22.Qe8+ 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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