Problem 507: Anton Bidlen - Helpmate Discuss Problem 507: Anton Bidlen - Helpmate http://kobulchess.com/en/problems/originals-2015/730-anton-bidlen-helpmate.html Mon, 26 Oct 2026 03:13:20 +0000 JComments Elmar Abdullayev says: http://kobulchess.com/en/problems/originals-2015/730-anton-bidlen-helpmate.html#comment-6191 Elmar Abdullayev Sat, 24 Jan 2015 16:18:55 +0000 http://kobulchess.com/en/problems/originals-2015/730-anton-bidlen-helpmate.html#comment-6191