MESON Chess Problem Database

Problem Display
PID: 76812 (8/5p1p/8/5k1K/6R1/7p/7P/4Q3 w - - 0 1)

Dombey, Father

The Tablet, 1945

(First published on Sat Nov 17 1945)

8/5p1p/8/5k1K/6R1/7p/7P/4Q3

#2

4 + 4

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Qe4#
  • Tries
    • 1.Rg1?
      • threat
        • 2.Rf1#
      • 1...Kf4
        • 2.Rf1#
      • 1...Kf6!
    • 1.Rg5+?
      • 1...Kf6
        • 2.Qe5#
      • 1...Kf4!
    • 1.Qe7?
      • 1...f6
        • 2.Qe4#
      • 1...h6!
  • Keys
    • 1.Kh6!
      • 1...Kxg4
        • 2.Qe4#
      • 1...Kf6
        • 2.Rf4#
      • 1...f6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAB1(A)
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(b);P-FLIGHT::R(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • P(d);
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAR2(A)
      • K(b);P-FLIGHT::R(C)
      • P(c);SBLOCK::QAB1(A)
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