MESON Chess Problem Database

Problem Display
PID: 270035 (2K3B1/5p2/7p/4Bk1b/2N4P/3P1p2/5RN1/1Q6 w - - 0 1)

Petrasinovic, Petrasin

Tidskrift for Schack, 1989

2K3B1/5p2/7p/4Bk1b/2N4P/3P1p2/5RN1/1Q6

#2

9 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Sge3#
      • 1...Kg4
        • 2.Be6#
      • 1...Bxf7!
  • Keys
    • 1.Qb7!
      • 1...Kg4
        • 2.Qxf3#
      • 1...Ke6
        • 2.Qd7#
      • 1...Kg6
        • 2.Qxf7#
      • 1...Bg4
        • 2.Qxf7#
      • 1...Bg6
        • 2.Qd7#
      • 1...f6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(I);XP(e)
      • Threat
        • S(C)
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::B(I)
      • Refutation
        • B(c);XB(I)
  • Actual
    • Q(A);
    • Vars
      • K(b);N_GUARD,N_SPINP(a),S_CUTB(c),S_FLIGHT::QAB1(A),XP(a)
      • K(b);N_GUARD,N_SPINP(a),P_SPINP(e),S_FLIGHT::QAB1(A)
      • K(b);N_GUARD,N_SPINP(a),S_CUTB(c),S_FLIGHT::QAB1(A),XP(e)
      • B(c);N_GUARD,SBLOCK::QAR2(A),XP(e)
      • B(c);SBLOCK::QAB(A)
      • P(e);::QAB1(A)
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