MESON Chess Problem Database

Problem Display
PID: 5019 (3R4/4K1B1/2pp4/3kp2p/1b6/2n2R2/1N6/6Q1 w - - 0 1)

Locock, Charles Dealtry

Brighton Society, 1897

3R4/4K1B1/2pp4/3kp2p/1b6/2n2R2/1N6/6Q1

#2

6 + 7

236 The Field 1917
14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Rd3#
    • 1...e4
      • 2.Rf5#
      • 2.Qd4#
      • 2.Qg5#
  • Tries
    • 1.Rxd6+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Bxd6+!
    • 1.Qe3?
      • threat
        • 2.Qxe5#
      • 1...c5
        • 2.Rxd6#
      • 1...e4
        • 2.Rf5#
        • 2.Qd4#
        • 2.Qg5#
      • 1...Se4!
  • Keys
    • 1.Re3!
      • threat
        • 2.Rxe5#
      • 1...Kd4
        • 2.Rxe5#
      • 1...Kc5
        • 2.Rxe5#
      • 1...Se4
        • 2.Rd3#
      • 1...e4
        • 2.Qg5#
      • 1...c5
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::R(C)
  • Tries
    • Try
      • R(F);CHECK,P_SPINR(F),XP(g)
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • B(b);CHECK,XR(F)
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(d)
      • Vars
        • P(f);S_CUTB(b)::R1(F),XP(g)
      • Refutation
        • S(a);
  • Actual
    • R(C);
    • Threat
      • R1(C),XP(d)
    • Vars
      • K(c);N_SPINP(g),P-FLIGHT,P_SPINP(d)::QAB(A)+R(C),XP(d)
      • K(c);N_SPINP(g),P-FLIGHT::QAB(A)+R(C),DCHECK,XP(d)
      • S(a);SBLOCK::R(C)
      • P(d);OGATEB::QAR(A)
      • P(f);SBLOCK,S_CUTB(b)::R1(F),XP(g)
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