MESON Chess Problem Database

Problem Display
PID: 244680 (8/1R2K3/2k1n3/1R6/B3P3/8/8/8 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Gaudium, 2018

8/1R2K3/2k1n3/1R6/B3P3/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.R5b6#
    • 1...Sc7
      • 2.R7b6#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Bd5#
      • 1...Sc7
        • 2.R7b6#
      • 1...Sf4!
  • Keys
    • 1.Rb8!
      • 1...Kc7
        • 2.R5b7#
      • 1...Sd4
        • 2.Rc8#
      • 1...Sf4
        • 2.Rc8#
      • 1...Sc5
        • 2.Rc8#
      • 1...Sg5
        • 2.Rc8#
      • 1...Sc7
        • 2.R8b6#
      • 1...Sg7
        • 2.Rc8#
      • 1...Sd8
        • 2.Rc8#
      • 1...Sf8
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::B(A)+R(C),DCHECK
    • S(b);SBLOCK::R1(D)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • S(b);SBLOCK::R1(D)
      • Refutation
        • S(b);
  • Actual
    • R(D);
    • Vars
      • K(a);P-FLIGHT::R1(C)
      • S(b);N_GUARD::R(D)
      • S(b);SBLOCK::R1(D)
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