MESON Chess Problem Database

Problem Display
PID: 12277 (2K5/2p3p1/2k5/p3P3/Pp2P3/1p6/1R6/6B1 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1977

2K5/2p3p1/2k5/p3P3/Pp2P3/1p6/1R6/6B1

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2?
      • threat
        • 2.Rg6#
      • 1...g6
        • 2.Rxg6#
      • 1...g5!
    • 1.Rh2?
      • 1...g5
        • 2.Rh6#
      • 1...b2
        • 2.Rc2#
      • 1...g6!
  • Keys
    • 1.Rf2!
      • 1...Kc5
        • 2.Rc2#
      • 1...Kb6
        • 2.Rf6#
      • 1...g5
        • 2.Rf6#
      • 1...b2
        • 2.Rc2#
      • 1...g6
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • P(f);::R(B),XP(f)
      • Refutation
        • P(f);
    • Try
      • R(B);
      • Vars
        • P(f);N_GUARD::R(B)
        • P(a);N_GUARD::R(B)
      • Refutation
        • P(f);
  • Actual
    • R(B);
    • Vars
      • K(d);P-FLIGHT::B(A)+R(B),DCHECK
      • P(f);N_GUARD::R(B)
      • P(a);N_GUARD::R(B)
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