MESON Chess Problem Database

Problem Display
PID: 76797 (8/4B3/8/7Q/5kp1/3P4/8/4K3 w - - 0 1)

Dombey, Father

The Tablet, 1945

(First published on Sat Aug 4 1945)

8/4B3/8/7Q/5kp1/3P4/8/4K3

#2

4 + 2

5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxg4+?
      • 1...Ke3
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxg4!
    • 1.Qd5?
      • 1...Ke3
        • 2.Bg5#
        • 2.Qe4#
      • 1...g3
        • 2.Qe4#
      • 1...Kg3!
  • Keys
    • 1.Qh1!
      • 1...Ke3
        • 2.Qe4#
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kf5
        • 2.Qe4#
      • 1...g3
        • 2.Qe4#

Anticipated by 76392(1927)

This anticipates 79843(1992), 180667(2017)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • P(b);SBLOCK::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::B(D)
      • K(a);P-FLIGHT::QAB1(C)
      • P(b);SBLOCK::QAR1(C)
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