Problem Display
PID: 108347 (5Nq1/6n1/1b2P3/2k1PP2/Pp1p2p1/P1PKR3/N7/8 w - - 0 1)

Guay, Georges

L'Opinion Publique, 1888

5Nq1/6n1/1b2P3/2k1PP2/Pp1p2p1/P1PKR3/N7/8

#2

10 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd7+?
      • 1...Kd5
        • 2.Sxb4#
      • 1...Kc6!
    • 1.cxd4+?
      • 1...Kd5
        • 2.Sxb4#
      • 1...Kc6!
  • Keys
    • 1.Sxb4!
      • threat
        • 2.Sd7#
        • 2.cxd4#
      • 1...Qxe6
        • 2.cxd4#
      • 1...Qxf8
        • 2.cxd4#
      • 1...Sxf5
        • 2.Sd7#
      • 1...Sxe6
        • 2.Sd7#
      • 1...dxc3
        • 2.Sd7#
      • 1...dxe3
        • 2.Sd7#
      • 1...Ba5
        • 2.Sd7#
      • 1...Ba7
        • 2.Sd7#
      • 1...Bc7
        • 2.Sd7#
      • 1...Bd8
        • 2.Sd7#
      • 1...Qf7
        • 2.cxd4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(d);P-FLIGHT::S(A),XP(a)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • P(C);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT::S(A),XP(a)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(A);XP(a)
    • Threat
      • DUALS(2)
    • Vars
      • Q(g);XP(I)::P(C),XP(b)
      • Q(g);XS(J)::P(C),XP(b)
      • S(f);XP(H)::S(J)
      • S(f);XP(I)::S(J)
      • P(b);XP(C)::S(J)
      • P(b);XR(E)::S(J)
      • B(e);::S(J)
      • Q(g);::P(C),XP(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).