MESON Chess Problem Database

Problem Display
PID: 7911 (6K1/8/6N1/1QBk4/1P4N1/8/8/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

The Problemist, 1994

6K1/8/6N1/1QBk4/1P4N1/8/8/8

#2

6 + 1

2786 More Fun with Chess Miniatures 2000
5416 FIDE Album (1992-1994) (Annexe) 2003
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.S4e5?
      • threat
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6!
    • 1.Sh6?
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.S6e5?
      • threat
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Se7+?
      • 1...Ke6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Qf1?
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc6!
    • 1.Qd3+?
      • 1...Ke6
        • 2.Sf4#
        • 2.Sf8#
      • 1...Kc6!
    • 1.Qb7+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc4!
  • Keys
    • 1.Sh4!
      • 1...Ke4
        • 2.Qc4#
      • 1...Ke6
        • 2.Qc6#

This anticipates 8128(1995), 245192(1995)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR2(C)
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