MESON Chess Problem Database

Problem Display
PID: 149916 (8/4Q1B1/8/1p1k4/8/3B4/3K4/8 w - - 0 1)

Busack, Otto

Die Schwalbe, 1942

8/4Q1B1/8/1p1k4/8/3B4/3K4/8

#2

4 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bf8?
      • threat
        • 2.Qd6#
        • 2.Qe4#
      • 1...Kd4
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qe4#
      • 1...Kc6!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qd7#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Kc6
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR2(C)
    • Vars
      • K(b);P-FLIGHT,XB(D)::QAR2(C)
      • K(b);S_FLIGHT::B(B)
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