Problem Display
PID: 110046 (8/K7/8/2n2Ppk/2n1N1N1/4p3/R1p5/Q7 w - - 0 1)

Campo, Achille

Fanfulla da Lodi, 1886-1888

8/K7/8/2n2Ppk/2n1N1N1/4p3/R1p5/Q7

#2

6 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sgf2?
      • threat
        • 2.Qh8#
        • 2.Qh1#
      • 1...Kh4
        • 2.Qh8#
        • 2.Qh1#
      • 1...Kh6
        • 2.Qh8#
      • 1...c1Q
        • 2.Qh8#
      • 1...c1S
        • 2.Qh8#
      • 1...c1B
        • 2.Qh8#
      • 1...c1R
        • 2.Qh8#
      • 1...Sb2
        • 2.Qh1#
      • 1...Se5
        • 2.Qh1#
      • 1...exf2!
    • 1.Sxe3?
      • threat
        • 2.Qh8#
        • 2.Qh1#
      • 1...Kh4
        • 2.Qh8#
        • 2.Qh1#
      • 1...Kh6
        • 2.Qh8#
      • 1...c1Q
        • 2.Rh2#
        • 2.Qh8#
      • 1...c1S
        • 2.Rh2#
        • 2.Qh8#
      • 1...c1B
        • 2.Rh2#
        • 2.Qh8#
      • 1...c1R
        • 2.Rh2#
        • 2.Qh8#
      • 1...Sb2
        • 2.Qh1#
      • 1...Se5
        • 2.Qh1#
      • 1...Sxe3!
    • 1.Sgf6+?
      • 1...Kh4
        • 2.Qh1#
      • 1...Kh6!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Qh1#
      • 1...Kh4
        • 2.Qh1#
      • 1...Kxh6
        • 2.Qh8#
      • 1...c1Q
        • 2.Rh2#
      • 1...c1S
        • 2.Rh2#
      • 1...c1B
        • 2.Rh2#
      • 1...c1R
        • 2.Rh2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);P-FLIGHT::QAR2(A)
        • P(a);::QAR(A)
        • S(c);::QAR(A)
      • Refutation
        • P(b);XS(D)
    • Try
      • S(D);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • K(f);P-FLIGHT::QAR2(A)
        • S(c);::QAR(A)
      • Refutation
        • S(c);XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR(A)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAR(A)
    • Vars
      • K(f);P-FLIGHT::QAR(A)
      • K(f);OGATEB,P-FLIGHT,XS(D)::QAR2(A)
      • P(a);OGATE::R(B)


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).