MESON Chess Problem Database

Problem Display
PID: 194248 (2K1Rn1q/5P1n/5P1b/5k2/R4N1r/7b/2P2P2/BB4Q1 w - - 0 1)

Sparke, Arthur M

3rd HM., Pittsburgh Gazette-Times, 1917

2K1Rn1q/5P1n/5P1b/5k2/R4N1r/7b/2P2P2/BB4Q1

#2

11 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf6
      • 2.c3#
    • 1...Rxf4
      • 2.Ra5#
    • 1...Bxf4
      • 2.c4#
    • 1...Sxf6
      • 2.Re5#
    • 1...Se6
      • 2.Qg6#
    • 1...Sg6
      • 2.Qxg6#
    • 1...Sd7
      • 2.Qg6#
  • Keys
    • 1.f3!
      • threat
        • 2.Qc5#
      • 1...Qxf6
        • 2.c3#
      • 1...Rxf4
        • 2.Ra5#
      • 1...Bxf4
        • 2.c4#
      • 1...Sxf6
        • 2.Re5#
      • 1...Se6
        • 2.Qg6#
      • 1...Sg6
        • 2.Qxg6#
      • 1...Sd7
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(g);SBLOCK,XP(H)::B(B)+P(D)
    • R(b);SBLOCK,XS(G)::R(F)
    • B(d);SBLOCK,XS(G)::B(B)+P(D)
    • S(e);SBLOCK,XP(H)::R1(K)
    • S(f);N_GUARD,P_PINR(K)::QAB1(C)
    • S(f);N_GUARD,P_PINR(K)::QAB1(C),XS(f)
  • Actual
    • P(E);
    • Threat
      • QAR(C)
    • Vars
      • Q(g);SBLOCK,XP(H)::B(B)+P(D)
      • R(b);SBLOCK,XS(G)::R(F)
      • B(d);SBLOCK,XS(G)::B(B)+P(D)
      • S(e);SBLOCK,XP(H)::R1(K)
      • S(f);N_GUARD,P_PINR(K)::QAB1(C)
      • S(f);N_GUARD,P_PINR(K)::QAB1(C),XS(f)
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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).