MESON Chess Problem Database

Problem Display
PID: 152712 (5k2/2pR3K/4p1B1/8/1p6/3p4/8/b2Q3b w - - 0 1)

Harley, Brian

Morning Post, 1932

(First published on Sat Sep 3 1932)

5k2/2pR3K/4p1B1/8/1p6/3p4/8/b2Q3b

#2

4 + 7

15290 Harley Scrapbook 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bxf3!
    • 1.Qf1+?
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bf3!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Rf7#
      • 1...Bc6
        • 2.Qxb4#
      • 1...c6
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • B(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • Q(A);
    • Threat
      • R1(C)
    • Vars
      • B(b);S_CUTP(f)::QAB(A),XP(d)
      • P(f);S_CUTB(b)::QAR(A)
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