MESON Chess Problem Database

Problem Display
PID: 268611 (4K3/P7/p2B4/8/k1B5/8/8/8 w - - 0 1)

Kapustin, Fedor Mikhailovich

Shakhmatnaya kompozitsiya, 1996

4K3/P7/p2B4/8/k1B5/8/8/8

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.a8S?
      • 1...a5
        • 2.Sb6#
      • 1...Ka5!
    • 1.a8B?
      • 1...a5
        • 2.Bc6#
      • 1...Ka5!
    • 1.a8R?
      • threat
        • 2.Rxa6#
      • 1...Ka5
        • 2.Rxa6#
      • 1...a5!
  • Keys
    • 1.a8Q!
      • threat
        • 2.Qxa6#
      • 1...Ka5
        • 2.Qxa6#
      • 1...a5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Vars
        • P(b);SBLOCK::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(C);
      • Vars
        • P(b);SBLOCK::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(C);P_PINP(b)
      • Threat
        • R(C),XP(b)
      • Vars
        • K(a);P-FLIGHT::R1(C),XP(b)
      • Refutation
        • P(b);
  • Actual
    • P(C);P_PINP(b)
    • Threat
      • QAR2(C),XP(b)
    • Vars
      • K(a);P-FLIGHT::QAR1(C),XP(b)
      • P(b);SBLOCK::QAB(C)
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).