MESON Chess Problem Database

Problem Display
PID: 107864 (K7/7Q/3NP3/2pkn2R/P3pR2/2p5/2P5/8 w - - 0 1)

Campo, Achille

Fanfulla da Lodi, 1886-1888

K7/7Q/3NP3/2pkn2R/P3pR2/2p5/2P5/8

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxe4#
  • Tries
    • 1.Qd7?
      • 1...c4
        • 2.Sxe4#
        • 2.Sb7#
      • 1...e3
        • 2.Sc4#
        • 2.Sb5#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...Kd4!
  • Keys
    • 1.Sc4!
      • 1...Kxc4
        • 2.Qxe4#
      • 1...Kd4
        • 2.Qxe4#
      • 1...Kc6
        • 2.Qb7#
      • 1...Kxe6
        • 2.Rxe5#
      • 1...e3
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINS(e),P-FLIGHT,P_SPINP(b)::QAR1(G),XP(b)
  • Tries
    • Try
      • Q(G);
      • Refutation
        • K(d);N_SPINS(e),P-FLIGHT,P_SPINP(b)
  • Actual
    • S(E);
    • Vars
      • K(d);N_SPINS(e),P_SPINP(b),S_FLIGHT,XS(E)::QAR2(G),XP(b)
      • K(d);N_SPINS(e),P-FLIGHT,P_SPINP(b)::QAR1(G),XP(b)
      • K(d);N_SPINS(e),S_FLIGHT::QAB1(G)
      • K(d);N_SPINS(e),S_FLIGHT,XP(F)::R1(D),XS(e)
      • P(b);::QAR2(G)
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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).