MESON Chess Problem Database

Problem Display
PID: 22933 (1b5K/6BN/2p3Q1/p1PkNpp1/2Rn4/1PP1p3/2P5/7b w - - 0 1)

Labai, Zoltan

2/3 Prize, Hlas l'udu, 1993

1b5K/6BN/2p3Q1/p1PkNpp1/2Rn4/1PP1p3/2P5/7b

#2

10 + 9

3681 FIDE Album (1992-1994) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rxd4#
    • 1...Sxc2
      • 2.Qf7#
      • 2.Qxc6#
    • 1...Se2
      • 2.Qf7#
      • 2.Qxc6#
    • 1...Sxb3
      • 2.Qf7#
      • 2.Qxc6#
    • 1...Sf3
      • 2.Qf7#
      • 2.Qxc6#
    • 1...Sb5
      • 2.Qf7#
      • 2.Qxc6#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rxd4#
      • 1...Ke4
        • 2.Qxc6#
      • 1...Sxc2
        • 2.Qf7#
      • 1...Sxb3
        • 2.Qf7#
      • 1...Se2
        • 2.Qf7#
      • 1...Sf3
        • 2.Qf7#
      • 1...Sb5
        • 2.Qf7#
      • 1...Se6
        • 2.Sf6#
      • 1...Be5!
    • 1.Sf6+?
      • 1...Ke6
        • 2.Qe8#
      • 1...Kxe5!
    • 1.Qf7+?
      • 1...Ke4
        • 2.Rxd4#
      • 1...Se6!
    • 1.Qd6+?
      • 1...Ke4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Bxd6!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Sf6#
      • 1...Ke4
        • 2.Rxd4#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Se6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(f),P_SPINS(c),S_FLIGHT::R1(D),XS(c)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(D),XS(c)
      • Vars
        • K(e);P_SPINP(f),P_SPINS(c),S_FLIGHT::QAB(G),XP(h)
        • S(c);N_GUARD,XP(A)::QAB(G)
        • S(c);N_GUARD,XP(B)::QAB(G)
        • S(c);N_GUARD::QAB(G)
        • S(c);SBLOCK::S(I)
      • Refutation
        • B(i);P_PINB(H)
    • Try
      • S(I);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR2(G)
      • Refutation
        • K(e);P-FLIGHT,XS(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);P_SPINS(c),S_FLIGHT::R1(D),XS(c)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(G);CHECK
      • Refutation
        • B(i);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • S(I)
    • Vars
      • K(e);P_SPINS(c),S_FLIGHT::R1(D),XS(c)
      • B(i);OGATE,P_PINB(H),XS(F)::QAR1(G),XB(i)
      • S(c);N_GUARD::QAB1(G),XP(h)
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