MESON Chess Problem Database

Problem Display
PID: 238571 (8/7B/4p3/4Bp2/1N6/8/3K4/1k6 w - - 0 1)

Labai, Zoltan

Problemist Ukraini, 2011

8/7B/4p3/4Bp2/1N6/8/3K4/1k6

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • 1...Ka1
        • 2.Kc2#
      • 1...Kc1!
    • 1.Kd3?
      • 1...f4
        • 2.Kd2#
      • 1...Kc1!
    • 1.Sc2?
      • 1...f4
        • 2.Sb4#
      • 1...Ka2!
    • 1.Sd3?
      • 1...f4
        • 2.Sc1#
        • 2.Sb4#
      • 1...Ka2!
  • Keys
    • 1.Bg8!
      • 1...f4
        • 2.Bh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::B(C)+K(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • K(A);N_PINP(b),P-FLIGHT
      • Vars
        • P(b);::B(D)+K(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);N_PINP(b)
      • Vars
        • P(b);::B(D)+S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);N_PINP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);N_PINP(b)
    • Vars
      • P(b);OGATEB::B(D)
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