MESON Chess Problem Database

Problem Display
PID: 143724 (8/Q1p5/2P1RP2/1qP1B1K1/1p2N1P1/1R1Pk3/1P1pp1P1/7N w - - 0 1)

Korponai, Jozsef

6th Prize, Schiffmann MT, 1980-1981

8/Q1p5/2P1RP2/1qP1B1K1/1p2N1P1/1R1Pk3/1P1pp1P1/7N

#2

14 + 6

264 Magyar Sakkelet 1983

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc5
      • 2.Qxc5#
  • Keys
    • 1.Sef2!
      • threat
        • 2.Bc3#
      • 1...Qxd3
        • 2.Rxd3#
      • 1...Qxc6
        • 2.d4#
      • 1...Qxc5
        • 2.Qxc5#
      • 1...Qc4
        • 2.dxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATE,P_PINB(I),P_SPINQ(e),XP(H)::QAB(N),XQ(e)
  • Actual
    • S(F);
    • Threat
      • R(L)+B(I)
    • Vars
      • Q(e);OGATE,P_SPINQ(e),XP(E)::R1(D),XQ(e)
      • Q(e);N_GUARD,XP(K)::R(D)+P(E)
      • Q(e);OGATE,P_PINB(I),P_SPINQ(e),XP(H)::QAB(N),XQ(e)
      • Q(e);OGATE::R(D)+P(E),XQ(e)
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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).