MESON Chess Problem Database

Problem Display
PID: 56843 (3r1n2/2Rp3P/8/2P5/1N1pp3/BPk5/P1P5/R3K2b w Q - 0 1)

Balashov, Evgeny Fedorovich

Comm., Troll, 1994

3r1n2/2Rp3P/8/2P5/1N1pp3/BPk5/P1P5/R3K2b

#2

10 + 7

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.h8Q#
      • 2.h8B#
    • 1...d5
      • 2.cxd5 ep#
    • 1...d6
      • 2.cxd6#
  • Tries
    • 1.Rc1?
      • threat
        • 2.Sd5#
      • 1...d3
        • 2.h8Q#
        • 2.h8B#
      • 1...d5
        • 2.cxd5 ep#
      • 1...e3!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Sd5#
      • 1...d3
        • 2.h8Q#
        • 2.h8B#
      • 1...e3
        • 2.Rd3#
      • 1...d5
        • 2.cxd5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);::P=Q
    • P(e);OGATE::R(I)+P(H),XP(e),EP
    • P(e);OGATE::R(I)+P(H),XP(e)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(G)
      • Vars
        • P(c);::P=Q
        • P(e);OGATE::R(I)+P(H),XP(e),EP
      • Refutation
        • P(d);
  • Actual
    • K(B);0-0-0
    • Threat
      • S(G)
    • Vars
      • P(c);::P=Q
      • P(d);N_GUARD::R1(A)
      • P(e);OGATE::R(I)+P(H),XP(e),EP
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