MESON Chess Problem Database

Problem Display
PID: 80738 (2k5/8/1BKb4/8/8/5R2/2Q5/8 w - - 0 1)

Amirov, Talip Khasanovich

De Waarheid, 1963

2k5/8/1BKb4/8/8/5R2/2Q5/8

#2

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Rf8#
    • 1...Bg3
      • 2.Rf8#
    • 1...Be5
      • 2.Rf8#
    • 1...Bb8
      • 2.Rf8#
      • 2.Qf5#
    • 1...Bf8
      • 2.Rxf8#
  • Tries
    • 1.Qh7?
      • threat
        • 2.Qb7#
      • 1...Kb8
        • 2.Qb7#
      • 1...Bc7
        • 2.Qxc7#
      • 1...Be7!
  • Keys
    • 1.Qh2!
      • 1...Kb8
        • 2.Rf8#
      • 1...Bxh2
        • 2.Rf8#
      • 1...Bc7
        • 2.Qxc7#
      • 1...Ba3
        • 2.Qc7#
      • 1...Bg3
        • 2.Rf8#
        • 2.Qh8#
      • 1...Bb4
        • 2.Qc7#
      • 1...Bf4
        • 2.Qh8#
      • 1...Bc5
        • 2.Qc7#
      • 1...Be5
        • 2.Rf8#
      • 1...Be7
        • 2.Qc7#
      • 1...Bb8
        • 2.Rf8#
        • 2.Qh3#
        • 2.Qh8#
      • 1...Bf8
        • 2.Rxf8#
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::R(B)
    • B(a);N_GUARD::R(B),XB(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(a);N_GUARD::QAR1(A),XB(a)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(a)::R(B)
      • B(a);N_GUARD,XQ(A)::R(B)
      • B(a);OGATE::QAR1(A),XB(a)
      • B(a);OGATE::QAR1(A)
      • B(a);N_GUARD::QAR(A)
      • B(a);N_GUARD::R(B)
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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).