MESON Chess Problem Database

Problem Display
PID: 79184 (5k2/2Np3R/2P5/1KRB4/1BP5/8/8/8 w - - 0 1)

Morse, Christopher Jeremy

The Tablet, 1963

(First published on Sat Jan 19 1963)

5k2/2Np3R/2P5/1KRB4/1BP5/8/8/8

#2

8 + 2

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...dxc6+
      • 2.Rxc6#
  • Tries
    • 1.Ka4?
      • 1...dxc6
        • 2.Rxc6#
      • 1...d6!
    • 1.Ka5?
      • 1...dxc6
        • 2.Rxc6#
      • 1...d6!
    • 1.Ka6?
      • 1...dxc6
        • 2.Rxc6#
      • 1...d6!
    • 1.Kb6?
      • 1...dxc6
        • 2.Rxc6#
      • 1...d6!
    • 1.Ba3?
      • 1...dxc6+
        • 2.Rxc6#
      • 1...d6!
  • Keys
    • 1.Be6!
      • threat
        • 2.Rf5#
      • 1...dxc6+
        • 2.Rxc6#
      • 1...dxe6
        • 2.Rg5#
      • 1...d5
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);CHECK,OGATE,XP(F)::B(A)+R(D),XP(a)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(a);OGATE,XP(F)::B(A)+R(D),XP(a)
      • Refutation
        • P(a);
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(a);OGATE,XP(F)::B(A)+R(D),XP(a)
      • Refutation
        • P(a);
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(a);OGATE,XP(F)::B(A)+R(D),XP(a)
      • Refutation
        • P(a);
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(a);OGATE,XP(F)::B(A)+R(D),XP(a)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • P(a);CHECK,OGATE,XP(F)::B(A)+R(D),XP(a)
      • Refutation
        • P(a);
  • Actual
    • B(E);
    • Threat
      • B(A)+R(D),DCHECK
    • Vars
      • P(a);CHECK,OGATE,XP(F)::B(A)+R(D),XP(a)
      • P(a);N_GUARD,XB(E)::B(A)+R(D)
      • P(a);N_GUARD::B(A)+R(D),XP(a)
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