MESON Chess Problem Database

Problem Display
PID: 144514 (8/1ppKB3/4BPp1/4k1p1/R7/R7/8/5n2 w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham News, 1899

(First published on Sat Oct 7 1899)

8/1ppKB3/4BPp1/4k1p1/R7/R7/8/5n2

#2

6 + 6

15372 Bridgwater Scrapbook 2012
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Sh2
      • 2.Re3#
    • 1...Se3
      • 2.Rxe3#
  • Tries
    • 1.Rc3?
      • threat
        • 2.Rc5#
      • 1...Se3
        • 2.Rxe3#
      • 1...c5
        • 2.Rxc5#
      • 1...b6!
    • 1.Rd3?
      • threat
        • 2.Rd5#
      • 1...Se3
        • 2.Rxe3#
      • 1...c6!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Bc3#
      • 1...Kd4
        • 2.Bd6#
      • 1...Ke4
        • 2.Bd6#
      • 1...Kf4
        • 2.Bd6#
      • 1...Kxf6
        • 2.Bc3#

This anticipates 5995(1926)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::R(A)
    • S(a);N_GUARD::R(A),XS(a)
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • S(a);N_GUARD::R(A),XS(a)
        • P(f);::R(A),XP(f)
      • Refutation
        • P(e);
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • S(a);N_GUARD::R(A),XS(a)
      • Refutation
        • P(f);
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(b);S_FLIGHT::R(B)+B(F)
      • K(b);P-FLIGHT::R(B)+B(F)
      • K(b);S_FLIGHT::R(B)+B(F),DCHECK
      • K(b);S_FLIGHT,XP(D)::B(F)
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