MESON Chess Problem Database

Problem Display
PID: 16740 (3N1R2/3pk1PK/3p4/3R4/8/8/8/8 w - - 0 1)

Mortimer, Ernest Clement

The Problemist, 1942

3N1R2/3pk1PK/3p4/3R4/8/8/8/8

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6+?
      • 1...Ke6
        • 2.g8Q#
        • 2.g8B#
      • 1...dxc6!
    • 1.Rf7+?
      • 1...Ke8
        • 2.g8Q#
        • 2.g8R#
      • 1...Kxd8!
    • 1.Re8+?
      • 1...Kf6
        • 2.g8S#
      • 1...Kxe8!
  • Keys
    • 1.Rh8!
      • 1...Kf6
        • 2.g8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT::P=Q
      • Refutation
        • P(b);XS(D)
    • Try
      • R(E);CHECK
      • Vars
        • K(c);P-FLIGHT::P=Q
      • Refutation
        • K(c);S_FLIGHT,XS(D)
    • Try
      • R(E);CHECK
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • K(c);P-FLIGHT,XR(E)
  • Actual
    • R(E);
    • Vars
      • K(c);S_FLIGHT::P=S
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