MESON Chess Problem Database

Problem Display
PID: 266534 (5Nk1/2p1ppBp/7P/8/8/r5R1/Qb6/1R5K w - - 0 1)

ten Cate, Pieter

Probleemblad, 1950

5Nk1/2p1ppBp/7P/8/8/r5R1/Qb6/1R5K

#2

7 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Sd7!
      • threat
        • 2.Bc3#
      • 1...Rxg3
        • 2.Qa8#
      • 1...Bxg7
        • 2.Rb8#
      • 1...Rc3
        • 2.Bxc3#
        • 2.Qa8#
      • 1...Rd3
        • 2.Qa8#
      • 1...Re3
        • 2.Qa8#
      • 1...Rf3
        • 2.Qa8#
      • 1...Ra4
        • 2.Bd4#
      • 1...Ra5
        • 2.Be5#
      • 1...Ra6
        • 2.Bf6#
      • 1...Bc1
        • 2.Rb8#
      • 1...Bc3
        • 2.Bxc3#
        • 2.Bd4#
        • 2.Be5#
        • 2.Bf6#
        • 2.Rb8#
      • 1...Bd4
        • 2.Rb8#
      • 1...Be5
        • 2.Rb8#
      • 1...Bf6
        • 2.Rb8#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(G);
    • Threat
      • R(D)+B(F)
    • Vars
      • R(b);OGATE,XR(D)::QAR(C)
      • B(a);OGATE,P_SPINB(a),XB(F)::R(A)
      • R(b);OGATE::QAR(C)
      • R(b);N_GUARD::R(D)+B(F)
      • B(a);OGATE::R(A)
      • P(d);N_GUARD,S_CUTB(a)::S(G)
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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).