MESON Chess Problem Database

Problem Display
PID: 150445 (8/8/5p1b/5Q1p/5p1k/5K2/6P1/8 w - - 0 1)

Dawson, Thomas Rayner

Pittsburgh Sun, 1925

(First published on Sat Jun 27 1925)

8/8/5p1b/5Q1p/5p1k/5K2/6P1/8

#2

3 + 5

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Qh3#
    • 1...Bg7
      • 2.Qxf4#
    • 1...Bf8
      • 2.Qxf4#
      • 2.Qxf6#
  • Tries
    • 1.Ke2?
      • 1...Kg3
        • 2.Qh3#
      • 1...Bg5
        • 2.Qh3#
      • 1...Bg7
        • 2.Qxf4#
      • 1...Bf8
        • 2.Qxf4#
      • 1...f3+!
  • Keys
    • 1.Kf2!
      • 1...Bg5
        • 2.Qh3#
      • 1...Bg7
        • 2.Qxf4#
      • 1...Bf8
        • 2.Qxf4#
      • 1...f3
        • 2.g3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::QAR1(C)
    • B(e);N_GUARD::QAR2(C),XP(a)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
        • B(e);SBLOCK::QAR1(C)
        • B(e);N_GUARD::QAR2(C),XP(a)
      • Refutation
        • P(a);CHECK
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • B(e);SBLOCK::QAR1(C)
      • B(e);N_GUARD::QAR2(C),XP(a)
      • P(a);N_GUARD::P(A)
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