MESON Chess Problem Database

Problem Display
PID: 233037 (8/8/8/Q3p3/8/6p1/4KNk1/6B1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2019

8/8/8/Q3p3/8/6p1/4KNk1/6B1

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kxg1
        • 2.Qh1#
      • 1...e4!
    • 1.Qa8+?
      • 1...Kxg1
        • 2.Qh1#
      • 1...e4!
  • Keys
    • 1.Qxe5!
      • 1...Kxg1
        • 2.Qxg3#
      • 1...gxf2
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT,XB(A)::QAR1(D)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT,XB(A)::QAR1(D)
      • Refutation
        • P(c);P_SPINP(c)
  • Actual
    • Q(D);XP(c)
    • Vars
      • K(a);P-FLIGHT,XB(A)::QAR2(D),XP(b)
      • P(b);OGATE,XS(C)::QAR1(D)
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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).