MESON Chess Problem Database

Problem Display
PID: 258538 (2N4b/8/Q7/5p2/2Nk4/8/1P3K2/8 w - - 0 1)

Pierce, William Timbrell

English Mechanic and World of Science, 1894

(First published on Fri Jul 6 1894)

2N4b/8/Q7/5p2/2Nk4/8/1P3K2/8

#2

5 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Ke4
        • 2.Sd2#
      • 1...Kxc4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Qd6#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Be5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • QAR2(D)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(D)
      • K(a);P-FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::QAB1(D)
      • B(c);SBLOCK::QAR1(D)
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