MESON Chess Problem Database

Problem Display
PID: 271738 (7R/5K2/5p1b/6kP/6N1/8/5N1Q/8 w - - 0 1)

Krasichenok, V

Mosiashvili-75 JT (Kudesnik), 2023

7R/5K2/5p1b/6kP/6N1/8/5N1Q/8

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rxh6?
      • 1...f5
        • 2.Rg6#
      • 1...Kf5!
    • 1.Rg8+?
      • 1...Kf5
        • 2.Sxh6#
      • 1...Bg7!
  • Keys
    • 1.Qg3!
      • 1...Kf5
        • 2.Sxh6#
      • 1...Kxh5
        • 2.Sxf6#
      • 1...Bg7
        • 2.Se3#
      • 1...Bf8
        • 2.Se3#
      • 1...f5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XB(c)
      • Vars
        • P(b);SBLOCK::R1(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::S(C),XB(c)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • Q(B);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::S(C),XB(c)
      • K(a);N_GUARD,P-FLIGHT,P_SPINB(c),XP(D)::S(C),XP(b)
      • B(c);::QAR(B)+S(C)
      • P(b);SBLOCK::QAR(B)+S(C)
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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).