MESON Chess Problem Database

Problem Display
PID: 80867 (3Rqk2/n1P5/5Bn1/p6N/2B1KNQ1/r1b4b/6p1/8 w - - 0 1)

Wigan, TK

The Field, 1949

(First published on Sat Sep 3 1949)

3Rqk2/n1P5/5Bn1/p6N/2B1KNQ1/r1b4b/6p1/8

#2

8 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Kg8
        • 2.Qxg6#
      • 1...Kf7!
    • 1.Be6?
      • threat
        • 2.Sxg6#
      • 1...Qxd8
        • 2.cxd8Q#
        • 2.cxd8R#
      • 1...Sxf4
        • 2.Qg7#
        • 2.Qg8#
      • 1...Sh4
        • 2.Qg7#
        • 2.Qg8#
      • 1...Se5
        • 2.Qg7#
        • 2.Qg8#
      • 1...Se7
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#
        • 2.Qg8#
      • 1...Ra4+!
  • Keys
    • 1.Be5!
      • threat
        • 2.Sxg6#
      • 1...Ke7
        • 2.Bd6#
      • 1...Qxd8
        • 2.cxd8Q#
      • 1...Sxf4
        • 2.Qg7#
      • 1...Sxe5
        • 2.Qg7#
      • 1...Sh4
        • 2.Qg7#
      • 1...Se7
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • S(C);CHECK,P_SPINS(C)
      • Vars
        • K(i);P-FLIGHT,P_SPINS(f)::QAR2(D),XS(f)
      • Refutation
        • K(i);N_SPINQ(h),P-FLIGHT
    • Try
      • B(A);P_SPINB(A)
      • Threat
        • S(C),XS(f)
      • Vars
        • Q(h);N_PINB(A),N_SPINQ(h),OGATE,XR(H)::PXQ(h)=Q
        • S(f);N_PINB(A),OGATE::QAB1(D)
      • Refutation
        • R(b);CHECK
  • Actual
    • B(F);P_SPINB(F)
    • Threat
      • S(C),XS(f)
    • Vars
      • K(i);N_PINB(F),N_SPINQ(h),S_FLIGHT::B(F)
      • Q(h);N_PINB(F),N_SPINQ(h),OGATE,XR(H)::PXQ(h)=Q
      • S(f);OGATE,XS(C)::QAB1(D)
      • S(f);OGATE,XB(F)::QAB1(D)
      • S(f);OGATE::QAB1(D)
      • S(f);N_PINB(F),OGATE::QAB1(D)
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).