MESON Chess Problem Database

Problem Display
PID: 194088 (8/2p5/b2p4/B7/qn3P1K/3BkP1R/4NN1R/rn4Q1 w - - 0 1)

Sparke, Arthur M

5th HM., L'Eco degli Scacchi, 1917

8/2p5/b2p4/B7/qn3P1K/3BkP1R/4NN1R/rn4Q1

#2

10 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Qc1#
    • 1...Bxd3
      • 2.Se4#
    • 1...Sxd3
      • 2.Sd1#
      • 2.Sg4#
  • Keys
    • 1.f5!
      • threat
        • 2.Qg5#
      • 1...Sa2+
        • 2.f4#
      • 1...Sc2+
        • 2.f4#
      • 1...Sxd3+
        • 2.Sg4#
      • 1...Sd5+
        • 2.f4#
      • 1...Sc6+
        • 2.f4#
      • 1...Kd2
        • 2.Qc1#
      • 1...Bxd3
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(e),S_FLIGHT::QAB1(A)
    • B(f);SBLOCK,XB(E)::QAB(A)+S(C)
  • Actual
    • P(H);
    • Threat
      • QAB(A)
    • Vars
      • S(e);CHECK::R(G)+P(F)
      • S(e);CHECK,SBLOCK,XB(E)::QAB(A)+S(C),DCHECK
      • K(c);P_SPINS(e),S_FLIGHT::QAB1(A)
      • B(f);SBLOCK,XB(E)::QAB(A)+S(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).