MESON Chess Problem Database

Problem Display
PID: 42429 (b3rn2/b1R1n3/1r6/1p2NN2/2p5/B1k2p1Q/1R2P3/3B3K w - - 0 1)

Fenner, A Jack

3rd Comm., BCF 033. Ty., 1939-1940

b3rn2/b1R1n3/1r6/1p2NN2/2p5/B1k2p1Q/1R2P3/3B3K

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Qxf3#
    • 1...b4
      • 2.Rxc4#
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Rb3#
      • 1...Bxf3+
        • 2.Qxf3#
      • 1...Rc6
        • 2.S3d4#
      • 1...Bc6
        • 2.Qh8#
      • 1...Sc6
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(g);S_CUTB(h)::QAR(F),XP(b)
    • P(d);N_GUARD::R1(I),XP(c)
  • Actual
    • S(G);P_PINP(c),P_SPINS(G),XP(b)
    • Threat
      • R1(C)
    • Vars
      • B(h);CHECK,OGATE,P_SPINB(h),XS(G)::QAR(F),XB(h)
      • R(e);N_PINS(G),N_SPINP(c)::QAR(F)+S(G)
      • B(h);N_SPINP(c),S_CUTR(e)::QAB(F)
      • S(g);N_PINS(G),N_SPINP(c)::QAR(F)+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).