MESON Chess Problem Database

Problem Display
PID: 54111 (8/8/4ppbB/5k2/4p1Np/KB3r1r/3P1RQ1/4R3 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1943

8/8/4ppbB/5k2/4p1Np/KB3r1r/3P1RQ1/4R3

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf2
      • 2.Qxe4#
    • 1...Rf4
      • 2.Rxf4#
    • 1...e3
      • 2.Bc2#
    • 1...e5
      • 2.Se3#
  • Tries
    • 1.Rxf3+?
      • 1...exf3
        • 2.Bc2#
        • 2.Bxe6#
      • 1...Rxf3!
    • 1.Qxf3+?
      • 1...exf3
        • 2.Bxe6#
      • 1...Rxf3!
  • Keys
    • 1.d4!
      • threat
        • 2.Se3#
      • 1...Rxf2
        • 2.Qxe4#
      • 1...exd4 ep
        • 2.Bxe6#
      • 1...e3
        • 2.Bc2#
      • 1...Rf4
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(a);N_SPINR(a),OGATE,XR(C)::QAB1(D),XP(c)
    • R(a);OGATE::R1(C),XR(a)
    • P(c);N_PINB(F)::B(F)
    • P(f);SBLOCK::S(G)
  • Tries
    • Try
      • R(C);CHECK,N_SPINB(F),XR(a)
      • Refutation
        • R(b);P_PINB(F),XR(C)
    • Try
      • Q(D);CHECK,N_SPINB(F),XR(a)
      • Vars
        • P(c);P_SPINP(c),XQ(D)::B(F),XP(f)
      • Refutation
        • R(b);P_PINB(F),P_SPINR(b),XQ(D)
  • Actual
    • P(B);
    • Threat
      • S(G)
    • Vars
      • R(a);N_SPINR(a),OGATE,XR(C)::QAB1(D),XP(c)
      • P(c);EP,N_PINB(F),XP(B)::B(F),XP(f)
      • P(c);N_PINB(F)::B(F)
      • R(a);OGATE::R1(C),XR(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).