MESON Chess Problem Database

Problem Display
PID: 287256 (2Bb1Nb1/3p1P2/4Pp2/4pk2/6R1/5P2/2R1K3/5Q2 w - - 0 1)

Ivanov, Viktor

2nd Comm., Moscow Ty., 1999

2Bb1Nb1/3p1P2/4Pp2/4pk2/6R1/5P2/2R1K3/5Q2

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...dxe6
      • 2.Bxe6#
    • 1...d5
      • 2.e7#
    • 1...d6
      • 2.e7#
  • Tries
    • 1.Bxd7?
      • threat
        • 2.e7#
      • 1...Bxf7
        • 2.exf7#
      • 1...e4
        • 2.Rc5#
      • 1...Be7!
    • 1.Qb1?
      • threat
        • 2.Rc5#
      • 1...d5
        • 2.e7#
      • 1...e4!
    • 1.e7?
      • threat
        • 2.Bxd7#
      • 1...e4
        • 2.Rc5#
      • 1...Bxf7!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Qb1#
      • 1...d5
        • 2.e7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • P(d);OGATE,P_SPINP(d),XP(F)::B(H),XP(d)
    • P(d);::B(H)+P(F)
  • Tries
    • Try
      • B(H);XP(d)
      • Threat
        • B(H)+P(F)
      • Vars
        • B(f);OGATE,XP(G)::B(H)+P(F),XB(f)
        • P(a);OGATEB::R(B)
      • Refutation
        • B(e);
    • Try
      • Q(A);
      • Threat
        • QAB(A)+R(B)
      • Vars
        • P(d);::B(H)+P(F)
      • Refutation
        • P(a);
    • Try
      • P(F);P_PINP(d)
      • Threat
        • B(H),XP(d)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • B(f);XP(G)
  • Actual
    • R(B);P_PINP(a)
    • Threat
      • QAB(A)
    • Vars
      • P(d);N_SPINP(a)::B(H)+P(F)
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