MESON Chess Problem Database

Problem Display
PID: 143665 (2K3b1/1p1Qpp1q/2p4p/2P5/1N2k3/R3N3/3B1nP1/1nr1R1r1 w - - 0 1)

Sparke, Arthur M

1st Prize, Surrey Weekly Press, 1921

2K3b1/1p1Qpp1q/2p4p/2P5/1N2k3/R3N3/3B1nP1/1nr1R1r1

#2

9 + 12

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sed5#
    • 1...Ke5
      • 2.Sg4#
    • 1...Rc2
      • 2.Sf1#
    • 1...Rc4
      • 2.Sf1#
    • 1...Rxc5
      • 2.Sf1#
    • 1...Rxg2
      • 2.Sd1#
  • Keys
    • 1.Sbc2!
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Sd5#
      • 1...Ke5
        • 2.Sg4#
      • 1...Rxc2
        • 2.Sf1#
      • 1...Rxg2
        • 2.Sd1#
      • 1...Qf5
        • 2.Qxf5#
      • 1...Qg7
        • 2.Qf5#
      • 1...Qh8
        • 2.Qf5#
      • 1...e5
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • K(e);P-FLIGHT::B(B)+S(E),DCHECK
    • K(e);P-FLIGHT::R(A)+S(E),DCHECK
    • R(b);N_GUARD::R(A)+S(E)
    • R(b);N_GUARD,XP(G)::R(A)+S(E)
    • R(c);N_GUARD,XP(C)::R(A)+S(E)
  • Actual
    • S(F);
    • Threat
      • QAR1(H)
    • Vars
      • K(e);P-FLIGHT::B(B)+S(E),DCHECK
      • K(e);P-FLIGHT::R(A)+S(E),DCHECK
      • R(b);N_GUARD,XS(F)::R(A)+S(E)
      • R(c);N_GUARD,XP(C)::R(A)+S(E)
      • Q(k);N_GUARD,P_PINQ(H)::QAB1(H),XQ(k)
      • Q(k);N_GUARD::QAB1(H)
      • P(i);SBLOCK::R(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).