MESON Chess Problem Database

Problem Display
PID: 242761 (2kr4/2rN4/P3RN2/B7/6R1/2p4B/8/5K2 w - - 0 1)

Bakcsi, Gyorgy

Szachy, 1978

2kr4/2rN4/P3RN2/B7/6R1/2p4B/8/5K2

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rc6
      • 2.Rxc6#
    • 1...Re8
      • 2.Rxe8#
    • 1...Rg8
      • 2.Rxg8#
  • Tries
    • 1.Rb6?
      • threat
        • 2.Rb8#
      • 1...Rcxd7
        • 2.Rc4#
      • 1...Rdxd7
        • 2.Rg8#
      • 1...Rb7!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rb8#
      • 1...Rcxd7
        • 2.Rc6#
      • 1...Rdxd7
        • 2.Re8#
      • 1...Rb7
        • 2.axb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(b);OGATEB::R(C),XR(b)
    • R(b);OGATEB::R(F),XR(b)
    • R(d);OGATEB::R(F),XR(d)
    • R(d);OGATEB::R(C),XR(d)
  • Tries
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • R(b);OGATEB,XS(H)::R(C)
        • R(d);OGATEB,XS(H)::R(C)
      • Refutation
        • R(b);
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • R(b);OGATEB,XS(H)::R(F)
      • R(d);OGATEB,XS(H)::R(F)
      • R(b);OGATE::P(E),XR(b)
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