MESON Chess Problem Database

Problem Display
PID: 67494 (8/2K1pr2/4kpp1/6p1/2pQ4/4r3/8/3B4 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1948

8/2K1pr2/4kpp1/6p1/2pQ4/4r3/8/3B4

#2

3 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bg4#
    • 1...Ra3
      • 2.Qe4#
    • 1...Rb3
      • 2.Qe4#
    • 1...Rc3
      • 2.Qe4#
    • 1...Rd3
      • 2.Qe4#
    • 1...Rf3
      • 2.Qe4#
    • 1...Rg3
      • 2.Qe4#
    • 1...Rh3
      • 2.Qe4#
    • 1...Re4
      • 2.Qxe4#
    • 1...Re5
      • 2.Qd7#
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qd5#
      • 1...Kf5
        • 2.Bg4#
      • 1...Rd3
        • 2.Qe4#
      • 1...Re5
        • 2.Qd7#
      • 1...f5!
    • 1.Qxe3+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kf5!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Qd5#
      • 1...Kf5
        • 2.Bg4#
      • 1...Rxf3
        • 2.Qe4#
      • 1...Rd3
        • 2.Qe4#
      • 1...Re4
        • 2.Qxe4#
      • 1...Re5
        • 2.Qd7#
      • 1...f5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • K(d);S_FLIGHT::B(A)
    • R(a);N_GUARD::QAR2(B)
    • R(a);N_GUARD::QAR2(B),XR(a)
    • R(a);SBLOCK::QAB1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • K(d);S_FLIGHT::B(A)
        • R(a);N_GUARD::QAR2(B)
        • R(a);SBLOCK::QAB1(B)
      • Refutation
        • P(e);
    • Try
      • Q(B);CHECK,XR(a)
      • Vars
        • K(d);S_FLIGHT::B(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(d);S_FLIGHT::B(A)
      • R(a);N_GUARD,XB(A)::QAR2(B)
      • R(a);N_GUARD::QAR2(B)
      • R(a);N_GUARD::QAR2(B),XR(a)
      • R(a);SBLOCK::QAB1(B)
      • P(e);SBLOCK::B(A)
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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).