MESON Chess Problem Database

Problem Display
PID: 144862 (rn1K4/p1N1p3/p1k5/P1P1P3/1pB5/7Q/8/6rq w - - 0 1)

Spencer, George Burt

Cincinnati Enquirer, 1931

(First published on Sun Feb 1 1931)

rn1K4/p1N1p3/p1k5/P1P1P3/1pB5/7Q/8/6rq

#2

7 + 9

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5+?
      • 1...Kxc5
        • 2.Qe3#
      • 1...Kb7
        • 2.Qc8#
      • 1...axb5!
    • 1.Bd5+?
      • 1...Kxc5
        • 2.Qe3#
      • 1...Qxd5+!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Sb5#
        • 2.Sd5#
        • 2.Sxa6#
        • 2.Se6#
        • 2.Sxa8#
        • 2.Se8#
      • 1...Qd5+
        • 2.Sxd5#
      • 1...Qh8+
        • 2.Se8#
      • 1...Rd1+
        • 2.Sd5#
      • 1...Rg8+
        • 2.Se8#
      • 1...Kxc5
        • 2.Se6#
      • 1...Qh3
        • 2.Se6#
      • 1...Sd7
        • 2.Sxa8#
      • 1...e6
        • 2.Sb5#
        • 2.Sd5#
        • 2.Sxa6#
        • 2.Sxe6#
        • 2.Sxa8#
        • 2.Se8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(D)::QAB(A)
        • K(e);S_FLIGHT::QAB1(A)
      • Refutation
        • P(d);XB(B)
    • Try
      • B(B);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(D)::QAB(A)
      • Refutation
        • Q(b);CHECK,XB(B)
  • Actual
    • Q(A);
    • Threat
      • DUALS(6)
    • Vars
      • Q(b);CHECK::QAR(A)+S(F),XQ(b)
      • Q(b);CHECK::QAR(A)+S(F)
      • R(a);CHECK::QAR(A)+S(F)
      • K(e);P-FLIGHT,XP(D)::QAR(A)+S(F),DCHECK
      • Q(b);::QAR(A)+S(F)
      • S(i);P_PINQ(A)::QAR(A)+S(F),XR(h)
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