MESON Chess Problem Database

Problem Display
PID: 108697 (8/4p3/2P1p1P1/4k3/1K2B3/2N2P2/1B1P3P/8 w - - 0 1)

Kovac, LM

Zpravodaj Kotva, 1967

8/4p3/2P1p1P1/4k3/1K2B3/2N2P2/1B1P3P/8

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sb1#
      • 2.Sd1#
      • 2.Sa2#
      • 2.Se2#
      • 2.Sa4#
      • 2.Sb5#
      • 2.Sd5#
    • 1...Kd6
      • 2.Sb5#
  • Tries
    • 1.d4+?
      • 1...Kxd4
        • 2.Sd1#
        • 2.Sd5#
      • 1...Kf4
        • 2.Bc1#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kf6!
  • Keys
    • 1.h4!
      • 1...Kd4
        • 2.Sb1#
        • 2.Sd1#
        • 2.Sa2#
        • 2.Se2#
        • 2.Sa4#
        • 2.Sb5#
        • 2.Sd5#
      • 1...Kf4
        • 2.Se2#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kf6
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(D)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::B(A)+S(D),DCHECK
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