MESON Chess Problem Database

Problem Display
PID: 62908 (5Q2/bN5p/B1b1p3/2R2n1q/k3r1Rr/6p1/2PB4/1N4Kn w - - 0 1)

Kipping, Cyril Stanley

Chess, 1944

5Q2/bN5p/B1b1p3/2R2n1q/k3r1Rr/6p1/2PB4/1N4Kn

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Ra5#
    • 1...Bb5
      • 2.Bxb5#
    • 1...Bd5
      • 2.Bb5#
    • 1...Bxb7
      • 2.Bb5#
    • 1...Bxc5+
      • 2.Sxc5#
    • 1...Bb8
      • 2.Ra5#
    • 1...Sf2
      • 2.Ra5#
    • 1...Sd4
      • 2.Rc4#
  • Tries
    • 1.Rxe4+?
      • 1...Bxe4
        • 2.Bb5#
      • 1...Sd4
        • 2.Rc4#
      • 1...Rxe4!
    • 1.Qd8?
      • threat
        • 2.Qa5#
      • 1...Bxc5+
        • 2.Sxc5#
      • 1...Bb6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qa1#
      • 1...Bxc5+
        • 2.Sxc5#
      • 1...Rd4
        • 2.Ra5#
      • 1...Bd5
        • 2.Bb5#
      • 1...Sd4
        • 2.Rc4#
      • 1...e5
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(d);N_PINR(F)::R1(F)
    • B(h);N_GUARD::B(G),XB(h)
    • B(h);N_GUARD::B(G)
    • B(h);N_GUARD,XS(H)::B(G)
    • B(j);CHECK,XR(F)::S(H),XB(j)
    • B(j);N_PINR(F)::R1(F)
    • S(a);N_PINR(F)::R1(F)
    • S(f);N_PINR(F),N_SPINR(d)::R(F)
  • Tries
    • Try
      • R(E);CHECK,XR(d)
      • Vars
        • B(h);XR(E)::B(G)
        • S(f);N_PINR(F),P_SPINS(f)::R(F)
      • Refutation
        • R(e);XR(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • B(j);CHECK,XR(F)::S(H),XB(j)
      • Refutation
        • B(j);
  • Actual
    • Q(I);
    • Threat
      • QAR(I)
    • Vars
      • B(j);CHECK,XR(F)::S(H),XB(j)
      • R(d);N_PINR(F)::R1(F)
      • B(h);N_GUARD::B(G)
      • S(f);N_PINR(F),N_SPINR(d)::R(F)
      • P(i);OGATE::QAB(I),XB(h)
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).