MESON Chess Problem Database

Problem Display
PID: 144528 (2b5/2n2Q1B/8/5r2/3pk3/6B1/K4pP1/4NN2 w - - 0 1)

Moon, James Frank

Hampstead and Highgate Express, 1895

(First published on Sat Apr 6 1895)

2b5/2n2Q1B/8/5r2/3pk3/6B1/K4pP1/4NN2

#2

7 + 6

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Bxf5#
      • 2.Qxf5#
    • 1...Bb7
      • 2.Bxf5#
      • 2.Qxf5#
    • 1...Se6
      • 2.Qxf5#
    • 1...d3
      • 2.Qc4#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Bxf5#
      • 1...Se6
        • 2.Qc6#
      • 1...Bxd7!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Sd2#
        • 2.Qf3#
      • 1...fxe1Q
        • 2.Qf3#
      • 1...fxe1S
        • 2.Sd2#
      • 1...fxe1B
        • 2.Qf3#
      • 1...d3
        • 2.Qc4#
        • 2.Qxd3#
      • 1...Be6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(e);S_CUTB(f)::QAB1(F),XR(d)
    • P(b);OGATEB::QAR2(F)
  • Tries
    • Try
      • Q(F);
      • Threat
        • B(G),XR(d)
      • Vars
        • S(e);N_GUARD::QAB(F)
      • Refutation
        • B(f);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);XS(A)::QAB1(F)
      • P(a);XS(A)::S(B)
      • B(f);P_PINQ(F)::S(B)
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