Problem 973: Diyan Kostadinov - Selfmate Discuss Problem 973: Diyan Kostadinov - Selfmate https://kobulchess.com/en/problems/originals-2019/1285-diyan-kostadinov-selfmate.html Sun, 11 Oct 2026 00:32:14 +0000 JComments Seetharaman Kalyan says: https://kobulchess.com/en/problems/originals-2019/1285-diyan-kostadinov-selfmate.html#comment-11880 Seetharaman Kalyan Tue, 15 Jan 2019 19:20:15 +0000 https://kobulchess.com/en/problems/originals-2019/1285-diyan-kostadinov-selfmate.html#comment-11880