Problem Display
PID: 250063 (4r3/4R1p1/pQ6/3p4/4q2N/p2p3K/4kp2/R4N2 w - - 0 1)

Ovchinnikov, Valentin N

2nd HM., 64 Shakhmatnoe obozrenie, 1927

4r3/4R1p1/pQ6/3p4/4q2N/p2p3K/4kp2/R4N2

#2

6 + 9


6490 yacpdb 2021
  • SOUND
  • Sets
    • 1...Qe3+
      • 2.Qxe3#
    • 1...Qe6+
      • 2.Qxe6#
    • 1...d2
      • 2.Qxa6#
  • Tries
    • 1.Ra2+?
      • 1...Kd1
        • 2.Qb1#
      • 1...Ke1
        • 2.Qb1#
      • 1...Kxf1
        • 2.Qxf2#
      • 1...d2!
    • 1.Rxe4+?
      • 1...dxe4
        • 2.Qe3#
      • 1...Rxe4!
    • 1.Qa5?
      • threat
        • 2.Qd2#
      • 1...Qe3+
        • 2.Sg3#
      • 1...d2
        • 2.Qxd2#
        • 2.Qxa6#
      • 1...Qe6+!
    • 1.Qb2+?
      • 1...d2
        • 2.Qxd2#
      • 1...axb2!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qd2#
      • 1...Qe3+
        • 2.Sg3#
      • 1...Qe6+
        • 2.Qg4#
      • 1...d2
        • 2.Qxd2#


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).