MESON Chess Problem Database

Problem Display
PID: 141265 (n3K3/4pp2/2p1k3/3N4/3Q4/3P4/5R2/8 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Morning Post, 1935

(First published on Sat Apr 6 1935)

n3K3/4pp2/2p1k3/3N4/3Q4/3P4/5R2/8

#2

5 + 5

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Sc7#
    • 1...Sc7+
      • 2.Sxc7#
    • 1...f5
      • 2.Sf4#
  • Tries
    • 1.Sxe7?
      • threat
        • 2.Re2#
        • 2.Rf6#
        • 2.Qf6#
      • 1...f5
        • 2.Re2#
      • 1...f6
        • 2.Re2#
        • 2.Rxf6#
        • 2.Qxf6#
      • 1...Sc7+!
  • Keys
    • 1.Qc5!
      • 1...Sc7+
        • 2.Sxc7#
      • 1...Ke5
        • 2.Sc7#
      • 1...cxd5
        • 2.Qxe7#
      • 1...Sb6
        • 2.Sc7#
      • 1...f5
        • 2.Re2#
      • 1...f6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::S(D)
    • S(e);CHECK,N_GUARD::S(D),XS(e)
    • P(d);SBLOCK::S(D)
  • Tries
    • Try
      • S(D);XP(c)
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::R(A)
      • Refutation
        • S(e);CHECK
  • Actual
    • Q(C);
    • Vars
      • S(e);CHECK,N_GUARD::S(D),XS(e)
      • K(b);P-FLIGHT::QAR(C)+S(D)
      • P(a);SBLOCK,XS(D)::QAR1(C),XP(c)
      • S(e);N_GUARD::S(D)
      • P(d);SBLOCK::R(A)
      • P(d);SBLOCK::S(D)
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