MESON Chess Problem Database

Problem Display
PID: 66643 (8/3rP3/8/4k1K1/8/8/8/1Q5B w - - 0 1)

Crawshay, S

The Chess Player's Chronicle (Staunton), 1859

8/3rP3/8/4k1K1/8/8/8/1Q5B

#2

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qe4#
  • Tries
    • 1.Qg6?
      • threat
        • 2.Qf6#
      • 1...Rd6
        • 2.Qe4#
      • 1...Kd4!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qf6#
      • 1...Rd6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • R(b);SBLOCK::QAR2(A)
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