MESON Chess Problem Database

Problem Display
PID: 5964 (3nK3/8/1P3p2/1p1kP2R/NQ1Np3/1n4bB/8/q7 w - - 0 1)

Bridgwater, Ralph Herbert

1st Comm., BCPS 001. Ty., 1926

3nK3/8/1P3p2/1p1kP2R/NQ1Np3/1n4bB/8/q7

#2

8 + 8

56 The Problemist 1927
15372 Bridgwater Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Sxc3#
    • 1...Qb1
      • 2.Sc3#
    • 1...Qd1
      • 2.Sc3#
    • 1...Qf1
      • 2.Sc3#
    • 1...Qg1
      • 2.Sc3#
    • 1...Qh1
      • 2.Sc3#
    • 1...Qa2
      • 2.Sc3#
    • 1...Qa3
      • 2.Sc3#
    • 1...Be1
      • 2.exf6#
    • 1...Bf2
      • 2.exf6#
    • 1...Sc1
      • 2.Qc5#
    • 1...Sd2
      • 2.Qc5#
    • 1...Sxd4
      • 2.Qc5#
    • 1...Sa5
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sc6
      • 2.Be6#
    • 1...Se6
      • 2.Bxe6#
    • 1...Sb7
      • 2.Be6#
    • 1...Sf7
      • 2.Be6#
    • 1...e3
      • 2.Bg2#
  • Tries
    • 1.Qxb5+?
      • 1...Sc5
        • 2.Qxc5#
      • 1...Kxd4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kc6
        • 2.Qxe4#
      • 1...Ke6
        • 2.Qd6#
      • 1...Sc6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 19
  • Sets
    • Q(a);N_GUARD::S(B),XQ(a)
    • Q(a);N_GUARD::S(B)
    • B(c);N_GUARD::R(F)+P(E),XP(g)
    • S(b);N_GUARD::QAR1(C)
    • S(b);N_GUARD,XS(D)::QAR1(C)
    • S(b);N_GUARD::QAR1(C),XS(b)
    • S(h);N_GUARD::B(A)
    • S(h);N_GUARD::B(A),XS(h)
    • P(d);OGATEB::B(A)
  • Tries
    • Try
      • Q(C);CHECK,XP(e)
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR1(C),XS(b)
      • Refutation
        • K(f);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(f);P-FLIGHT,XP(E)::QAB1(C)
      • K(f);S_FLIGHT::QAB(C),XP(d)
      • K(f);S_FLIGHT::QAR1(C)
      • S(h);SBLOCK::S(D)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).