MESON Chess Problem Database

Problem Display
PID: 134690 (1K4R1/4Q3/3PPP1p/3Pk2p/1P6/3P4/B2P1NN1/4BR2 w - - 0 1)

Taraba, Jozef

StrateGems, 2002

1K4R1/4Q3/3PPP1p/3Pk2p/1P6/3P4/B2P1NN1/4BR2

#2

15 + 3

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Sg4#
  • Tries
    • 1.Rg5+?
      • 1...Kd4
        • 2.Qa7#
      • 1...hxg5!
    • 1.Qa7?
      • 1...Kf5
        • 2.Sg4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Sg4#
      • 1...h4!
    • 1.Qc7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Sg4#
      • 1...Kxf6
        • 2.Sg4#
      • 1...h4!
    • 1.Qg7?
      • 1...Kd4
        • 2.f7#
      • 1...Kf5
        • 2.Sg4#
      • 1...Kxd6
        • 2.Qg3#
        • 2.Qc7#
      • 1...h4!
    • 1.Qh7?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Sg4#
      • 1...h4!
    • 1.d4+?
      • 1...Kf5
        • 2.Bb1#
      • 1...Kxd4!
    • 1.f7?
      • 1...Kd4
        • 2.Qf6#
      • 1...Kf5
        • 2.Sg4#
      • 1...h4!
  • Keys
    • 1.Sh4!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::R(B)+S(E)
  • Tries
    • Try
      • R(O);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(M)
      • Refutation
        • P(c);XR(O)
    • Try
      • Q(M);
      • Vars
        • K(a);P-FLIGHT::R(B)+S(E)
        • K(a);OGATEB,S_FLIGHT,XP(J)::QAB1(M)
        • K(a);S_FLIGHT,XP(L)::R(B)+S(E),DCHECK
      • Refutation
        • P(b);
    • Try
      • Q(M);
      • Vars
        • K(a);S_FLIGHT::QAB1(M)
        • K(a);P-FLIGHT::R(B)+S(E)
        • K(a);S_FLIGHT,XP(L)::R(B)+S(E),DCHECK
      • Refutation
        • P(b);
    • Try
      • Q(M);
      • Vars
        • K(a);S_FLIGHT::QAB(M)+P(L)
        • K(a);P-FLIGHT::R(B)+S(E)
      • Refutation
        • P(b);
    • Try
      • Q(M);
      • Vars
        • K(a);S_FLIGHT::QAR1(M)
        • K(a);OGATEB,S_FLIGHT,XP(J)::QAB1(M)
        • K(a);S_FLIGHT,XP(L)::R(B)+S(E),DCHECK
      • Refutation
        • P(b);
    • Try
      • P(G);CHECK
      • Vars
        • K(a);P-FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • P(L);
      • Vars
        • K(a);S_FLIGHT::QAB(M)
        • K(a);P-FLIGHT::R(B)+S(E)
      • Refutation
        • P(b);
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT::R(B)+S(E)
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