MESON Chess Problem Database

Problem Display
PID: 271237 (k7/b2N4/1pP5/1K6/4R3/8/8/8 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Buletin Problemistic, 1995

k7/b2N4/1pP5/1K6/4R3/8/8/8

#2

4 + 3

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Ka6?
      • 1...Bb8
        • 2.Sxb6#
      • 1...b5!
    • 1.c7?
      • 1...Bb8
        • 2.cxb8Q#
      • 1...Kb7!
  • Keys
    • 1.Re7!
      • 1...Bb8
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • B(b);N_GUARD,SBLOCK::S(D),XP(a)
      • Refutation
        • P(a);
    • Try
      • P(C);
      • Vars
        • B(b);OGATE::PXB(b)=Q
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • B(b);N_GUARD,SBLOCK::S(D),XP(a)
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