MESON Chess Problem Database

Problem Display
PID: 238577 (4Nk1b/1R3P2/3K1R2/8/8/8/8/8 w - - 0 1)

Labai, Zoltan

Problemist Ukraini, 2018

4Nk1b/1R3P2/3K1R2/8/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rb8?
      • 1...Bg7
        • 2.Sc7#
      • 1...Bxf6!
  • Keys
    • 1.Sg7!
      • threat
        • 2.Se6#
      • 1...Kxg7
        • 2.f8Q#
        • 2.f8R#
      • 1...Bxg7
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • B(b);SBLOCK::R(C)+S(E)
      • Refutation
        • B(b);XR(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(a);OGATE,S_FLIGHT,XS(E)::P=Q
      • B(b);SBLOCK,XS(E)::R(C)
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