MESON Chess Problem Database

Problem Display
PID: 245248 (6K1/1kN5/1PN1B3/8/8/1Q6/8/8 w - - 0 1)

Belik, Nikolai Ivanovich

Sa ogneupory, 1987

6K1/1kN5/1PN1B3/8/8/1Q6/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • 1...Ka6
        • 2.Bc8#
      • 1...Ka8
        • 2.b7#
      • 1...Kxc6!
    • 1.Sa6?
      • 1...Kxa6
        • 2.Bc8#
      • 1...Ka8
        • 2.b7#
      • 1...Kxc6!
    • 1.Se8?
      • 1...Ka6
        • 2.Bc8#
      • 1...Ka8
        • 2.b7#
      • 1...Kxc6!
  • Keys
    • 1.Sa8!
      • 1...Ka6
        • 2.Bc8#
      • 1...Kxc6
        • 2.Qd5#
      • 1...Kxa8
        • 2.b7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);OGATE,S_FLIGHT::P(B)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT,XS(E)::B(D)
        • K(a);OGATE,S_FLIGHT::P(B)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);OGATE,S_FLIGHT::P(B)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
      • K(a);OGATE,S_FLIGHT,XS(E)::P(B)
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