MESON Chess Problem Database

Problem Display
PID: 62680 (n1bNQN2/P1kpp2R/Pp3b2/2r1P2K/q1R5/5B2/7B/8 w - - 0 1)

Coombes, TA

Chess, 1944

n1bNQN2/P1kpp2R/Pp3b2/2r1P2K/q1R5/5B2/7B/8

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.exf6#
    • 1...e6
      • 2.Sdxe6#
      • 2.Sfxe6#
  • Keys
    • 1.Sb7!
      • threat
        • 2.Qd8#
      • 1...Bxb7
        • 2.Qb8#
      • 1...d5
        • 2.exf6#
      • 1...e6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(f);N_PINP(D),P_SPINP(g)::B(A)+P(D),XB(d)
  • Actual
    • S(I);
    • Threat
      • QAB1(J)
    • Vars
      • B(i);OGATE,XS(I)::QAB1(J)
      • P(f);N_PINP(D),P_SPINP(g)::B(A)+P(D),XB(d)
      • P(g);P_SPINP(f)::S(K),XP(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).