MESON Chess Problem Database

Problem Display
PID: 170465 (8/2B5/8/N6Q/pk6/8/8/4K3 w - - 0 1)

Anonymous

Basler Nachrichten, 1889

(First published on Thu Dec 19 1889)

8/2B5/8/N6Q/pk6/8/8/4K3

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • 1...Kc3
        • 2.Qd2#
      • 1...a3
        • 2.Qc4#
      • 1...Ka3!
  • Keys
    • 1.Qe2!
      • 1...Ka3
        • 2.Bd6#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qc4#
      • 1...a3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);SBLOCK::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);S_FLIGHT::QAR1(C)
      • P(a);SBLOCK::QAR1(C)
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