Problem Display
PID: 87576 (6B1/3ppp2/1P1kN3/1KpP3R/5P2/8/6Q1/8 w - c5 0 1)

Klipachev, Vladimir Panteleevich

Uralski Problemist, 1999

6B1/3ppp2/1P1kN3/1KpP3R/5P2/8/6Q1/8

#2

8 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sg7?
      • threat
        • 2.Sf5#
        • 2.Se8#
      • 1...e5
        • 2.Sf5#
      • 1...f5
        • 2.Sxf5#
        • 2.Se8#
      • 1...e6!
    • 1.Qg1?
      • threat
        • 2.Qxc5#
      • 1...c4
        • 2.Qc5#
      • 1...dxe6!
    • 1.Qf2?
      • threat
        • 2.Qxc5#
      • 1...c4
        • 2.Qc5#
      • 1...dxe6!
    • 1.b7?
      • threat
        • 2.b8Q#
        • 2.b8B#
      • 1...fxe6
        • 2.b8Q#
        • 2.b8B#
      • 1...f6
        • 2.b8Q#
        • 2.b8B#
      • 1...c4
        • 2.b8Q#
        • 2.b8B#
      • 1...f5
        • 2.b8Q#
        • 2.b8B#
      • 1...dxe6!
  • Keys
    • 1.dxc5 ep!
      • threat
        • 2.Qd5#
      • 1...dxc6+
        • 2.Qxc6#
      • 1...Kxe6
        • 2.Qg6#
      • 1...dxe6
        • 2.Qd2#
      • 1...fxe6
        • 2.Qd2#
      • 1...f5
        • 2.Qd2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::S(G)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • P(a);::QAB1(A)
      • Refutation
        • P(c);XS(G)
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • P(a);::QAB1(A)
      • Refutation
        • P(c);XS(G)
    • Try
      • P(F);
      • Threat
        • P=Q
      • Vars
        • P(e);XS(G)::P=Q
        • P(e);::P=Q
        • P(a);::P=Q
      • Refutation
        • P(c);XS(G)
  • Actual
    • P(D);EP,XP(a)
    • Threat
      • QAR1(A)
    • Vars
      • P(c);CHECK,OGATE,XP(D)::QAR1(A),XP(c)
      • K(b);OGATEB,P-FLIGHT,P_SPINP(e),XS(G)::QAR2(A)
      • P(c);SBLOCK,XS(G)::QAR(A)
      • P(e);XS(G)::QAR(A)
      • P(e);::QAR(A)


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).