MESON Chess Problem Database

Problem Display
PID: 46383 (1n6/2QP3B/8/1b1k2K1/3P4/1P6/3B4/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

1st Place, Match: Slovakia - Ukraine, 1999

1n6/2QP3B/8/1b1k2K1/3P4/1P6/3B4/8

#2

7 + 3

145 StrateGems 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qd6#
    • 1...Bc6
      • 2.Qe5#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qe5#
      • 1...Ke6!
    • 1.d8S?
      • threat
        • 2.Qe5#
        • 2.Qc5#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Sa6
        • 2.Qe5#
      • 1...Bc6
        • 2.Qe5#
      • 1...Sc6
        • 2.Qd7#
      • 1...Sd7!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qc5#
      • 1...Ke6
        • 2.Bg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT,XP(C)::QAR2(E)
    • B(a);SBLOCK::QAR1(E)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(b);P-FLIGHT,XP(C)::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT,XP(C)::QAR2(E)
        • S(c);::QAR1(E)
        • B(a);::QAR1(E)
        • S(c);N_GUARD,S_CUTB(a)::QAR2(E)
      • Refutation
        • S(c);
  • Actual
    • B(A);
    • Threat
      • QAR1(E)
    • Vars
      • K(b);P-FLIGHT,XP(C)::QAB1(E)
      • K(b);S_FLIGHT::B(G)
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