MESON Chess Problem Database

Problem Display
PID: 147211 (Q3Bb2/2p4p/2K4k/6p1/3B4/8/8/1n6 w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1908

(First published on Sat Aug 8 1908)

Q3Bb2/2p4p/2K4k/6p1/3B4/8/8/1n6

#2

4 + 6

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qe6#
        • 2.Qh2#
      • 1...Bd6
        • 2.Qe6#
      • 1...Be7
        • 2.Qh2#
      • 1...Bg7
        • 2.Qh2#
      • 1...Sd2
        • 2.Qe6#
      • 1...g4!
    • 1.Qc8?
      • threat
        • 2.Qh3#
        • 2.Qe6#
      • 1...Be7
        • 2.Qh3#
      • 1...Bg7
        • 2.Qh3#
      • 1...g4!
  • Keys
    • 1.Qa1!
      • 1...g4
        • 2.Be3#
      • 1...Ba3
        • 2.Bg7#
      • 1...Bb4
        • 2.Bg7#
      • 1...Bc5
        • 2.Bg7#
      • 1...Bd6
        • 2.Bg7#
      • 1...Be7
        • 2.Bg7#
      • 1...Bg7
        • 2.Bxg7#
      • 1...Sd2
        • 2.Qh1#
      • 1...Sa3
        • 2.Qh1#
      • 1...Sc3
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR(C)
        • S(a);::QAR(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR(C)
      • Refutation
        • P(b);
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATEB::B(A)
      • B(f);N_GUARD::B(A)
      • B(f);N_GUARD::B(A),XB(f)
      • S(a);OGATE::QAR(C)
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