MESON Chess Problem Database

Problem Display
PID: 206664 (4k3/8/2KBB3/8/4Q3/5r2/8/b7 w - - 0 1)

Schetelich, Fritz

Chemnitzer Tageblatt, 1925

4k3/8/2KBB3/8/4Q3/5r2/8/b7

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bd7+?
      • 1...Kd8
        • 2.Bc7#
        • 2.Be7#
        • 2.Qe7#
        • 2.Qe8#
      • 1...Kf7!
    • 1.Bf7+?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kxf7!
  • Keys
    • 1.Kc7!
      • threat
        • 2.Qc6#
        • 2.Qa8#
        • 2.Qa4#
      • 1...Rc3+
        • 2.Bc4#
      • 1...Rf7+
        • 2.Bd7#
      • 1...Ra3
        • 2.Qc6#
        • 2.Qg6#
      • 1...Rb3
        • 2.Qc6#
        • 2.Qg6#
      • 1...Rf4
        • 2.Qc6#
        • 2.Qa8#
      • 1...Rf5
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bd4
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bf6
        • 2.Qc6#
        • 2.Qg6#
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT,XB(D)
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • R(b);CHECK,S_CUTB(a)::QAR(A)+B(D)
      • R(b);CHECK,SBLOCK::QAR(A)+B(D),DCHECK
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