MESON Chess Problem Database

Problem Display
PID: 71534 (8/8/8/5K2/4N3/3p1kP1/3P3R/4bB2 w - - 0 1)

Subotic, Miroslav

3rd Comm., Probleemblad, 2006

8/8/8/5K2/4N3/3p1kP1/3P3R/4bB2

#2

6 + 3

102 Probleemblad 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Rxf2#
    • 1...Bxg3
      • 2.Sg5#
  • Tries
    • 1.Bxd3?
      • threat
        • 2.Be2#
      • 1...Bf2
        • 2.Rxf2#
      • 1...Bxd2!
    • 1.g4?
      • 1...Bxd2
        • 2.Rh3#
      • 1...Bf2
        • 2.Rxf2#
      • 1...Bg3
        • 2.Sg5#
      • 1...Bh4!
  • Keys
    • 1.Rh3!
      • 1...Bxd2
        • 2.g4#
      • 1...Bxg3
        • 2.Rxg3#
      • 1...Bf2
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R1(C),XB(a)
    • B(a);SBLOCK,XP(D)::S(E)
  • Tries
    • Try
      • B(A);XP(b)
      • Threat
        • B(A)
      • Vars
        • B(a);N_GUARD::R1(C),XB(a)
      • Refutation
        • B(a);XP(B)
    • Try
      • P(D);
      • Vars
        • B(a);N_GUARD,XP(B)::R(C)
        • B(a);N_GUARD::R1(C),XB(a)
        • B(a);SBLOCK::S(E)
      • Refutation
        • B(a);
  • Actual
    • R(C);
    • Vars
      • B(a);N_GUARD,XP(B)::R(C)+P(D)
      • B(a);OGATE,P_SPINB(a),XP(D)::R1(C),XB(a)
      • B(a);SBLOCK::S(E)
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