MESON Chess Problem Database

Problem Display
PID: 7868 (8/1p3pP1/3pP3/1KpkPP2/3PpP2/1PP5/8/8 w - - 0 1)

Petrovic, Tomislav

Politika, 1994

8/1p3pP1/3pP3/1KpkPP2/3PpP2/1PP5/8/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...cxd4
      • 2.c4#
    • 1...c4
      • 2.bxc4#
  • Tries
    • 1.g8S?
      • threat
        • 2.Sf6#
        • 2.Se7#
      • 1...e3
        • 2.Sf6#
      • 1...f6
        • 2.Sxf6#
        • 2.Se7#
      • 1...dxe5!
  • Keys
    • 1.g8Q!
      • 1...cxd4
        • 2.c4#
      • 1...dxe5
        • 2.Qd8#
      • 1...fxe6
        • 2.Qxe6#
      • 1...e3
        • 2.Qg2#
      • 1...c4
        • 2.bxc4#
      • 1...b6
        • 2.Qa8#
      • 1...f6
        • 2.e7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK,XP(C)::P(B)
    • P(b);OGATE::P(A),XP(b)
  • Tries
    • Try
      • P(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(I)
      • Refutation
        • P(d);XP(F)
  • Actual
    • P(I);
    • Vars
      • P(b);SBLOCK,XP(C)::P(B)
      • P(d);OGATEB,XP(F)::QAR(I)
      • P(f);OGATE,P_SPINP(f),XP(H)::QAB1(I),XP(f)
      • P(a);OGATEB::QAB(I)
      • P(b);OGATE::P(A),XP(b)
      • P(e);OGATEB::QAB(I)
      • P(f);::QAB(I)+P(H)
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