MESON Chess Problem Database

Problem Display
PID: 145823 (4bR2/B2p1qn1/3p4/3R3p/2Q4P/5kp1/K1p3r1/2N1n2B w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham Post, 1928

(First published on Tue Mar 20 1928)

4bR2/B2p1qn1/3p4/3R3p/2Q4P/5kp1/K1p3r1/2N1n2B

#2

8 + 11

15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qf4
      • 2.Rxf4#
      • 2.Qe2#
      • 2.Qxf4#
    • 1...Sd3
      • 2.Rxd3#
  • Tries
    • 1.Rxf7+?
      • 1...Sf5
        • 2.Rdxf5#
        • 2.Rfxf5#
      • 1...Bxf7!
  • Keys
    • 1.Rd4!
      • 1...Kf2
        • 2.Rf4#
      • 1...Ke3
        • 2.Rd3#
      • 1...Qxf8
        • 2.Qe2#
      • 1...Qf4
        • 2.Rdxf4#
        • 2.Qe2#
      • 1...Qf5
        • 2.Qe2#
      • 1...Qf6
        • 2.Qe2#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sf5
        • 2.Rf4#
      • 1...Se6
        • 2.Qe2#
      • 1...d5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R(F),XS(a)
  • Tries
    • Try
      • R(H);CHECK,XQ(i)
      • Refutation
        • B(k);XR(H)
  • Actual
    • R(F);P_SPINQ(D)
    • Vars
      • K(d);N_SPINR(c),P-FLIGHT::B(G)+R(F),DCHECK
      • K(d);N_SPINQ(i),N_SPINR(c),P-FLIGHT::B(G)+R(F),DCHECK
      • Q(i);N_PINQ(D),N_SPINQ(i),XR(H)::QAB1(D)
      • Q(i);N_PINQ(D)::QAB1(D)
      • S(a);N_GUARD::R(F),XS(a)
      • S(j);N_SPINQ(i),S_CUTQ(i)::R1(F)
      • S(j);N_PINQ(D)::QAB1(D)
      • P(g);N_PINQ(D)::QAB1(D)
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