MESON Chess Problem Database

Problem Display
PID: 94637 (5Q2/8/3N1P2/1K2k3/2B5/8/5P2/8 w - - 0 1)

Vishkov, Anatoly Ivanovich

Vecherni Magadan, 1996

5Q2/8/3N1P2/1K2k3/2B5/8/5P2/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh6?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kxd6!
    • 1.Qe7+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf4!
  • Keys
    • 1.Qg7!
      • 1...Kd4
        • 2.f7#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxd6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAB(F)+P(E)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT,XS(D)::QAB1(F)
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