MESON Chess Problem Database

Problem Display
PID: 3220 (n6Q/8/6p1/7N/6pb/5p1k/5rp1/5bK1 w - - 0 1)

Miloseski, Bosko

2/3 Prize, Source?, 1989

n6Q/8/6p1/7N/6pb/5p1k/5rp1/5bK1

#2

3 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Sf4#
    • 1...g3
      • 2.Qc8#
  • Tries
    • 1.Qb8?
      • threat
        • 2.Qh2#
      • 1...Bg3
        • 2.Qxg3#
      • 1...g3
        • 2.Qc8#
      • 1...Sc7!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qh2#
      • 1...Bg3
        • 2.Qxg3#
      • 1...g3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(g);SBLOCK::QAR(C)+S(B),DCHECK
    • P(f);OGATEB::QAB(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • B(g);N_GUARD::QAR1(C),XB(g)
        • P(f);OGATEB::QAB(C)
      • Refutation
        • S(i);
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • B(g);N_GUARD::QAR1(C),XB(g)
      • P(f);OGATEB::QAB(C)
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