MESON Chess Problem Database

Problem Display
PID: 12151 (4k3/7b/7P/2KQ4/8/B7/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1975

4k3/7b/7P/2KQ4/8/B7/8/8

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qd7#
      • 1...Bf5
        • 2.Qg8#
      • 1...Be4!
    • 1.Qe6+?
      • 1...Kf8
        • 2.Kc4#
        • 2.Kd4#
        • 2.Kb5#
        • 2.Kd5#
        • 2.Kb6#
        • 2.Kc6#
      • 1...Kd8!
  • Keys
    • 1.Kd6!
      • 1...Kd8
        • 2.Qa8#
      • 1...Kf8
        • 2.Kd7#
      • 1...Bb1
        • 2.Qg8#
      • 1...Bc2
        • 2.Qg8#
      • 1...Bd3
        • 2.Qg8#
      • 1...Be4
        • 2.Qg8#
      • 1...Bf5
        • 2.Qg8#
      • 1...Bg6
        • 2.Qg8#
      • 1...Bg8
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAB1(C)
      • Vars
        • B(a);N_GUARD::QAR2(C)
      • Refutation
        • B(a);P_PINQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT::QAR(C)
      • K(b);P-FLIGHT::B(A)+K(B)
      • B(a);N_GUARD::QAR2(C)
      • B(a);N_GUARD::QAR2(C),XB(a)
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).