MESON Chess Problem Database

Problem Display
PID: 124527 (8/4pbK1/1RP1k1PN/2P1nNPr/2PB4/r6Q/8/1q1R1B2 w - - 0 1)

Kiss, Janos

Pedagogusok Lapja, 1978

8/4pbK1/1RP1k1PN/2P1nNPr/2PB4/r6Q/8/1q1R1B2

#2

13 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5
      • 2.Qxf5#
    • 1...Sd3
      • 2.Sh4#
    • 1...Sxc4
      • 2.Bxc4#
  • Keys
    • 1.Bb2!
      • threat
        • 2.Sd4#
      • 1...Qxf5
        • 2.Qxf5#
      • 1...Sxc4
        • 2.Bxc4#
      • 1...Sxc6
        • 2.Rxc6#
      • 1...Sxg6
        • 2.c7#
      • 1...Sg4
        • 2.c7#
      • 1...Sd3
        • 2.Sh4#
      • 1...Sf3
        • 2.c7#
      • 1...Sd7
        • 2.cxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(a);OGATE,P_SPINQ(a),XS(G)::QAB1(C),XQ(a)
    • S(c);N_GUARD,S_CUTQ(a),S_CUTR(b)::QAB(C)+S(G)
    • S(c);OGATE,XP(D)::B(B),XS(c)
  • Actual
    • B(E);
    • Threat
      • QAB(C)+S(G),DCHECK
    • Vars
      • Q(a);OGATE,P_SPINQ(a),XS(G)::QAB1(C),XQ(a)
      • S(c);OGATE,XP(D)::B(B),XS(c)
      • S(c);OGATE,P_SPINS(c),XP(J)::R(I),XS(c)
      • S(c);N_GUARD,XP(K)::R(I)+P(J)
      • S(c);N_GUARD::R(I)+P(J)
      • S(c);N_GUARD,S_CUTQ(a),S_CUTR(b)::QAB(C)+S(G)
      • S(c);OGATE::R(I)+P(J),XS(c)
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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).