MESON Chess Problem Database

Problem Display
PID: 85832 (2b5/8/8/8/1p3k2/3p1B2/1B5K/Q4R2 w - - 0 1)

Speckmann, Werner

Schach, 1987

2b5/8/8/8/1p3k2/3p1B2/1B5K/Q4R2

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bf6?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Bg5#
      • 1...Kf5!
    • 1.Qa5?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qg5#
      • 1...Bf5!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Bh6#
      • 1...Kf5
        • 2.Qf6#
      • 1...Kg5
        • 2.Qf6#
      • 1...Bf5
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);S_FLIGHT::B(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • B(d);
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);S_FLIGHT::B(C)
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);S_FLIGHT::QAB1(A)
      • B(d);SBLOCK::B(C)
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