MESON Chess Problem Database

Problem Display
PID: 59740 (1Q6/3r1BP1/3q1ppK/R7/N2k4/1r1P2P1/3P1N2/n2b2B1 w - - 0 1)

Rimmer, Travis

3rd Prize, Brisbane Courier, 1923

1Q6/3r1BP1/3q1ppK/R7/N2k4/1r1P2P1/3P1N2/n2b2B1

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Qf4#
    • 1...Qb4
      • 2.Qf4#
    • 1...Qf4+
      • 2.Qxf4#
    • 1...Qc5
      • 2.Qf4#
    • 1...Qf8
      • 2.Qf4#
    • 1...Qa6
      • 2.Qf4#
    • 1...Qb6
      • 2.Qf4#
    • 1...Rb2
      • 2.Qxb2#
    • 1...Ra7
      • 2.Qxd6#
    • 1...Rb7
      • 2.Qxd6#
    • 1...Re7
      • 2.Qxd6#
    • 1...Rxf7
      • 2.Qxd6#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sg4#
      • 1...Qf4+
        • 2.Qxf4#
      • 1...Ke5
        • 2.Sxb3#
      • 1...Qxg3
        • 2.Se6#
      • 1...Qxc5
        • 2.Qf4#
      • 1...Rxd3
        • 2.Sfxd3#
      • 1...Rxf7
        • 2.Qxd6#
      • 1...Qe5
        • 2.Sfe4#
      • 1...Qe7
        • 2.Sfe4#
      • 1...Qe6
        • 2.Sxe6#
      • 1...Re7
        • 2.Qxd6#
      • 1...Bg4
        • 2.Sxg4#
      • 1...Sc2
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 8
  • Sets
    • Q(e);OGATE::QAR2(K)
    • Q(e);CHECK,OGATE::QAR2(K),XQ(e)
    • Q(e);OGATE,P_PINP(J)::QAR2(K)
    • R(c);OGATE::QAB(K),XR(c)
    • R(h);N_GUARD::QAR2(K),XQ(e)
    • R(h);N_GUARD,XB(I)::QAR2(K),XQ(e)
  • Actual
    • S(F);
    • Threat
      • B(A)+S(C)
    • Vars
      • Q(e);CHECK,OGATE::QAR2(K),XQ(e)
      • K(d);P_SPINQ(e),S_FLIGHT::R(G)+S(F),XR(c)
      • Q(e);N_GUARD,XP(E)::S(F)
      • Q(e);OGATE,XS(F)::QAR2(K)
      • R(c);XP(D)::B(A)+S(C),XR(c)
      • R(h);N_GUARD,XB(I)::QAR2(K),XQ(e)
      • Q(e);::B(A)+S(C)
      • Q(e);N_GUARD::S(F),XQ(e)
      • R(h);N_GUARD::QAR2(K),XQ(e)
      • B(b);::B(A)+S(C),XB(b)
      • S(a);N_GUARD,S_CUTB(b)::S(F),XR(c)
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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).