MESON Chess Problem Database

Problem Display
PID: 11350 (7R/4Kp2/1p1PPB2/7q/1N6/1p6/1p1N4/kB6 w - - 0 1)

Mortimer, Ernest Clement

Chess, 1938

7R/4Kp2/1p1PPB2/7q/1N6/1p6/1p1N4/kB6

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Ra8#
    • 1...Qg4
      • 2.Ra8#
    • 1...Qg6
      • 2.Ra8#
    • 1...Qh2
      • 2.Ra8#
    • 1...Qh3
      • 2.Ra8#
    • 1...Qh4
      • 2.Ra8#
    • 1...Qh6
      • 2.Ra8#
    • 1...Qh7
      • 2.Ra8#
    • 1...b5
      • 2.Ra8#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Sxb3#
      • 1...Qd1
        • 2.Ra8#
      • 1...Qd5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Sxb3#
      • 1...Qf3
        • 2.Ra8#
      • 1...Qd1
        • 2.Ra8#
      • 1...Qh3
        • 2.Ra8#
      • 1...Qd5
        • 2.Rh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • Q(d);N_GUARD::R(H)
    • Q(d);N_GUARD,P_PINB(F)::R(H)
    • P(e);S_CUTQ(d)::R(H)
  • Tries
    • Try
      • B(A);
      • Threat
        • S(B),XP(c)
      • Vars
        • Q(d);N_GUARD::R(H)
      • Refutation
        • Q(d);
  • Actual
    • B(A);
    • Threat
      • S(B),XP(c)
    • Vars
      • Q(d);N_GUARD::R(H)
      • Q(d);OGATE::R(H)
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