MESON Chess Problem Database

Problem Display
PID: 112953 (3K3Q/1Rp1p3/2N5/2Bk4/6P1/8/4P3/8 w - - 0 1)

Campo, Achille

Fanfulla da Lodi, 1887

3K3Q/1Rp1p3/2N5/2Bk4/6P1/8/4P3/8

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd4#
    • 1...Ke4
      • 2.Qd4#
      • 2.Qe5#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kxc5
        • 2.Qd4#
      • 1...e5!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Sa5#
        • 2.Rb4#
        • 2.Qd4#
      • 1...Kxc6!
  • Keys
    • 1.Bxe7!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kxc6
        • 2.Qh1#
      • 1...Ke6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(G)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAR1(G)
      • Vars
        • K(a);S_FLIGHT::QAR1(G)
        • K(a);P-FLIGHT,XB(C)::QAB1(G)
      • Refutation
        • P(c);
    • Try
      • Q(G);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(D)
  • Actual
    • B(C);XP(c)
    • Vars
      • K(a);S_FLIGHT::QAR1(G)
      • K(a);S_FLIGHT,XS(D)::QAB(G)
      • K(a);S_FLIGHT::QAB(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).