MESON Chess Problem Database

Problem Display
PID: 1975 (7R/1B1N4/8/3r4/1K2k3/8/5Q2/8 w - - 0 1)

Healey, Frank

Chess Monthly, 1866

7R/1B1N4/8/3r4/1K2k3/8/5Q2/8

#2

5 + 2

4817 English Mechanic and World of Science 1875
4331 Schachminiaturen II 1903
3295 Einfuhrung in die Welt des Schachproblem 1984
2786 More Fun with Chess Miniatures 2000
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kd3
        • 2.Rh3#
      • 1...Ke5!
    • 1.Bxd5+?
      • 1...Kd3
        • 2.Sc5#
        • 2.Se5#
        • 2.Rh3#
      • 1...Kxd5!
    • 1.Qg3?
      • 1...Kd4
        • 2.Rh4#
      • 1...Kf5!
    • 1.Qf3+?
      • 1...Kd4
        • 2.Rh4#
      • 1...Kxf3!
  • Keys
    • 1.Rd8!
      • 1...Kd3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);N_SPINR(b),S_FLIGHT::R(E)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • B(C);CHECK,XR(b)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • Q(A);
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::R(E)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • R(E);
    • Vars
      • K(a);N_SPINR(b),S_FLIGHT::S(D)
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