MESON Chess Problem Database

Problem Display
PID: 242951 (8/3K1RB1/6k1/8/5PN1/1Q6/8/8 w - - 0 1)

Anonymous

English Mechanic and World of Science, 1881

(First published on Fri Sep 16 1881)

8/3K1RB1/6k1/8/5PN1/1Q6/8/8

#2

6 + 1

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Kh5
        • 2.Qh3#
      • 1...Kh7!
    • 1.Sh6?
      • 1...Kh7
        • 2.Qc2#
        • 2.Qb1#
        • 2.Qd3#
      • 1...Kh5!
  • Keys
    • 1.Qg3!
      • 1...Kh5
        • 2.Sf6#
      • 1...Kxf7
        • 2.Sh6#
      • 1...Kh7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT,XR(E)::S(C)
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