MESON Chess Problem Database

Problem Display
PID: 145653 (b3R3/2p5/8/8/RNp1pkPK/8/3PPP2/8 w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham Post, 1921

(First published on Tue May 17 1921)

b3R3/2p5/8/8/RNp1pkPK/8/3PPP2/8

#2

8 + 5

15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Sxd5#
    • 1...c3
      • 2.Sd3#
    • 1...e3
      • 2.Sd3#
      • 2.dxe3#
      • 2.fxe3#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Rf8#
      • 1...e3
        • 2.Rxc4#
        • 2.dxe3#
        • 2.fxe3#
      • 1...Bxc6!
    • 1.Ra5?
      • threat
        • 2.Rf5#
        • 2.Rf8#
      • 1...Bd5
        • 2.Sxd5#
      • 1...e3
        • 2.Rf5#
        • 2.dxe3#
        • 2.fxe3#
      • 1...c5!
    • 1.Re5?
      • threat
        • 2.Rf5#
      • 1...e3
        • 2.Sd3#
      • 1...Kxe5!
  • Keys
    • 1.d4!
      • threat
        • 2.Rf8#
      • 1...cxd4 ep
        • 2.Sxd3#
      • 1...exd4 ep
        • 2.Sxd3#
      • 1...Bd5
        • 2.Sxd5#
      • 1...e3
        • 2.fxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::S(E),XB(e)
    • P(a);N_GUARD,S_CUTP(b)::S(E)
  • Tries
    • Try
      • S(E);
      • Threat
        • R(H)
      • Refutation
        • B(e);XS(E)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);N_GUARD::S(E),XB(e)
      • Refutation
        • P(d);
    • Try
      • R(H);
      • Threat
        • R1(H)
      • Vars
        • P(b);N_GUARD,S_CUTP(a)::S(E)
      • Refutation
        • K(c);S_FLIGHT,XR(H)
  • Actual
    • P(A);
    • Threat
      • R(H)
    • Vars
      • P(a);EP,N_GUARD,S_CUTP(b),XP(A)::S(E),XP(a)
      • P(b);EP,N_GUARD,S_CUTP(a),XP(A)::S(E),XP(b)
      • B(e);N_GUARD::S(E),XB(e)
      • P(b);OGATE::P(C),XP(b)
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