MESON Chess Problem Database

Problem Display
PID: 145925 (8/8/5P2/2Ppk3/1P3R2/1Q2P3/7K/4R3 w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham Post, 1931

(First published on Tue Nov 24 1931)

8/8/5P2/2Ppk3/1P3R2/1Q2P3/7K/4R3

#2

8 + 2

15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Kg3?
      • 1...d4
        • 2.exd4#
      • 1...Ke6!
    • 1.Rd1?
      • threat
        • 2.Qxd5#
      • 1...Ke6
        • 2.Qxd5#
      • 1...d4!
    • 1.Ref1?
      • 1...d4
        • 2.exd4#
      • 1...Ke6!
    • 1.Rg1?
      • 1...d4
        • 2.Rg5#
      • 1...Ke6!
    • 1.Rf5+?
      • 1...Ke4
        • 2.Qc2#
        • 2.Qxd5#
        • 2.Qb1#
      • 1...Ke6
        • 2.Qxd5#
      • 1...Kxf5!
    • 1.Qa4?
      • threat
        • 2.Qe8#
      • 1...Ke6
        • 2.Qe8#
      • 1...d4!
  • Keys
    • 1.e4!
      • 1...Kd4
        • 2.exd5#
        • 2.e5#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Ke6
        • 2.Qxd5#
      • 1...dxe4
        • 2.Rexe4#
      • 1...d4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(a);OGATE::R(A)+P(D)DCHECK,XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • R(A);
      • Threat
        • QAR1(C),XP(a)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAB1(C),XP(a)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • P(a);OGATE::P(D),XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • R(A);
      • Vars
        • P(a);::R(A)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • R(F);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAB1(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT,XR(F)
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
      • Refutation
        • P(a);
  • Actual
    • P(D);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(C)
      • K(b);P-FLIGHT,P_SPINP(a)::QAB1(C),XP(a)
      • P(a);OGATE,P_SPINP(a),XP(D)::R1(A),XP(a)
      • P(a);SBLOCK::R1(F)
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