MESON Chess Problem Database

Problem Display
PID: 92236 (8/1qpQ4/1p6/3b4/P1pPp3/2pk4/2pNN1P1/2B1R1K1 w - - 0 1)

Labai, Zoltan

Schachecke, 1984

8/1qpQ4/1p6/3b4/P1pPp3/2pk4/2pNN1P1/2B1R1K1

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qh3#
    • 1...Bc6
      • 2.Sf4#
    • 1...Be6
      • 2.Sf4#
    • 1...Bf7
      • 2.Sf4#
    • 1...Bg8
      • 2.Sf4#
  • Tries
    • 1.Sxc4?
      • threat
        • 2.Se5#
      • 1...Kxc4
        • 2.Qb5#
      • 1...Bxc4
        • 2.Sf4#
      • 1...e3!
    • 1.Qg7?
      • threat
        • 2.Sf4#
      • 1...Ke3
        • 2.Qg3#
      • 1...cxd2!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sf2#
      • 1...Kxe4
        • 2.Qh7#
      • 1...Bxe4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(c);P-FLIGHT::QAR(I)
    • B(f);::S(E)
  • Tries
    • Try
      • S(D);XP(d)
      • Threat
        • S(D)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(I)
        • B(f);SBLOCK,XS(D)::S(E)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Threat
        • S(E)
      • Vars
        • K(c);P-FLIGHT::QAR2(I)
      • Refutation
        • P(b);XS(D)
  • Actual
    • S(D);XP(e)
    • Threat
      • S(D)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB(I)
      • B(f);XS(D)::S(E)
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Developed and maintained by Brian Stephenson.
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