MESON Chess Problem Database

Problem Display
PID: 16904 (rkn2b1R/p7/P2R3p/1NK4P/8/6B1/8/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

rkn2b1R/p7/P2R3p/1NK4P/8/6B1/8/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6+
      • 2.Bxd6#
    • 1...Bg7
      • 2.Rb6#
      • 2.Rf6#
    • 1...Sxd6
      • 2.Rxf8#
    • 1...Se7
      • 2.Rc6#
      • 2.Rd8#
  • Keys
    • 1.Kd4!
      • threat
        • 2.Rb6#
      • 1...Bg7+
        • 2.Rf6#
      • 1...Bxd6
        • 2.Bxd6#
      • 1...Sxd6
        • 2.Rxf8#
      • 1...Sb6
        • 2.Rc6#
        • 2.Rd8#
      • 1...Se7
        • 2.Rc6#
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);CHECK,OGATE,P_SPINB(f),P_SPINS(e),XR(F)::B(A),XB(f)
    • S(e);OGATEB,P_SPINB(f),P_SPINS(e),XR(F)::R(G),XB(f)
  • Actual
    • K(C);N_SPINR(F),S_FLIGHT
    • Threat
      • B(A)+R(F),DCHECK
    • Vars
      • B(f);CHECK,N_GUARD,P_SPINS(e)::B(A)+R(F)
      • B(f);OGATE,P_SPINB(f),P_SPINS(e),XR(F)::B(A),XB(f)
      • S(e);OGATEB,P_SPINB(f),P_SPINS(e),XR(F)::R(G),XB(f)
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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).