MESON Chess Problem Database

Problem Display
PID: 117000 (8/P4Q2/4Nq2/1PPP2pB/K1N1k1r1/R3b1P1/2R4P/B3r3 w - - 0 1)

Kiss, Ivan

Szoghy, Jozsef

Arbejder-Skak, 1962

8/P4Q2/4Nq2/1PPP2pB/K1N1k1r1/R3b1P1/2R4P/B3r3

#2

14 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sxg5#
    • 1...Kxd5
      • 2.a8Q#
      • 2.a8B#
    • 1...Kf5
      • 2.Bg6#
  • Tries
    • 1.Rxe3+?
      • 1...Kxd5
        • 2.Qb7#
        • 2.Qd7#
        • 2.a8Q#
        • 2.a8B#
      • 1...Kf5
        • 2.Sg7#
        • 2.Bg6#
        • 2.Qxf6#
      • 1...Rxe3!
  • Keys
    • 1.Sd6+!
      • 1...Kf3+
        • 2.Sd4#
      • 1...Kxd5+
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);P_PINS(G),P_SPINB(b),P_SPINQ(f),P_SPINR(d),S_FLIGHT::S(L),XP(e)
    • K(c);P_PINS(G),S_FLIGHT,XP(J)::P=Q
    • K(c);P_PINS(G),P_SPINQ(f),S_FLIGHT::B(K)
  • Tries
    • Try
      • R(D);CHECK,XB(b)
      • Refutation
        • R(a);XR(D)
  • Actual
    • S(G);CHECK
    • Vars
      • K(c);CHECK,P_SPINB(b),P_SPINQ(f),P_SPINR(d),S_FLIGHT::S(L)
      • K(c);CHECK,S_FLIGHT,XP(J)::QAB(N)+S(L),DCHECK
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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).