MESON Chess Problem Database

Problem Display
PID: 232926 (8/3K4/7Q/8/6k1/7b/5BPR/8 w - - 0 1)

Evdokimov, Aleksey

Kudesnik, 2011

8/3K4/7Q/8/6k1/7b/5BPR/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6?
      • 1...Bxg2
        • 2.Rh4#
      • 1...Kh5+!
    • 1.gxh3+?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kf5!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qg5#
        • 2.Qxh3#
      • 1...Kg3+
        • 2.Qxh3#
      • 1...Kf5
        • 2.Qe6#
      • 1...Bxg2
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • B(a);OGATE,XP(B)::R1(C)
      • Refutation
        • K(b);CHECK,P_SPINB(a),S_FLIGHT
    • Try
      • P(B);CHECK,XB(a)
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);CHECK,P-FLIGHT::QAR1(D),XB(a)
      • K(b);S_FLIGHT::QAB1(D)
      • B(a);XP(B)::QAR1(D)
HTML5 logo

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).