MESON Chess Problem Database

Problem Display
PID: 103769 (4B1N1/6k1/3K4/8/8/8/1P6/1QB5 w - - 0 1)

Shakhnazaryan, Albert Serapionovic

Kertsensky Rabotsin, 1994

4B1N1/6k1/3K4/8/8/8/1P6/1QB5

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg6+?
      • 1...Kf8
        • 2.Bh6#
        • 2.Qf7#
      • 1...Kh8!
    • 1.Qh7+?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxh7!
  • Keys
    • 1.Sf6!
      • 1...Kxf6
        • 2.Qg6#
      • 1...Kf8
        • 2.Bh6#
      • 1...Kh8
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT,XS(F)::QAR1(A)
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT::QAR1(A)
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