MESON Chess Problem Database

Problem Display
PID: 146660 (1bR1NN2/2p3pK/P1k3Bp/7r/P1p2P2/B1Pb1P2/3R4/6Q1 w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1955

1bR1NN2/2p3pK/P1k3Bp/7r/P1p2P2/B1Pb1P2/3R4/6Q1

#2

13 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Be4#
      • 2.Qc5#
    • 1...Rh1
      • 2.Qc5#
    • 1...Rh2
      • 2.Qc5#
    • 1...Rh3
      • 2.Qc5#
    • 1...Rh4
      • 2.Qc5#
    • 1...Rc5
      • 2.Qxc5#
    • 1...Bb1
      • 2.Rd6#
    • 1...Bf1
      • 2.Rd6#
    • 1...Bc2
      • 2.Rd6#
    • 1...Be2
      • 2.Rd6#
    • 1...Be4
      • 2.Rd6#
    • 1...Bf5
      • 2.Rd6#
      • 2.Qc5#
    • 1...Bxg6+
      • 2.Qxg6#
  • Tries
    • 1.Be4+?
      • 1...Rd5
        • 2.Qc5#
        • 2.Qg6#
      • 1...Bxe4+!
    • 1.Rxc7+?
      • 1...Kd5
        • 2.Be4#
        • 2.Rc5#
        • 2.Qd4#
        • 2.Qc5#
      • 1...Bxc7!
    • 1.Qb6+?
      • 1...Kd5
        • 2.Be4#
        • 2.Rd8#
        • 2.Qc5#
        • 2.Qe6#
      • 1...Kxb6!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qb7#
      • 1...Bxg6+
        • 2.Qxg6#
      • 1...Kd5
        • 2.Be4#
      • 1...Bxb1
        • 2.Rd6#
      • 1...Rb5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(c);N_GUARD::QAR1(A)
    • R(c);N_GUARD::QAR1(A),XR(c)
    • B(a);::R1(B)
    • B(a);N_PINB(I)::R1(B)
    • B(a);CHECK,OGATE,XB(I)::QAR(A),XB(a)
  • Tries
    • Try
      • B(I);CHECK
      • Refutation
        • B(a);CHECK,XB(I)
    • Try
      • R(K);CHECK,XP(f)
      • Refutation
        • B(h);XR(K)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);N_SPINP(f),P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • B(a);CHECK,OGATE,XB(I)::QAR(A),XB(a)
      • K(d);N_SPINP(f),P_SPINB(a),S_FLIGHT::B(I)
      • B(a);XQ(A)::R1(B)
      • R(c);N_GUARD::QAB1(A),XR(c)
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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).