Problem Display
PID: 80160 (1N6/3bp1pK/3pk3/1p1R1R1p/p3P3/4Q3/8/5B2 w - - 0 1)

Sokolov, Vladimir Viktorovich

Rochade Europa, 1992

1N6/3bp1pK/3pk3/1p1R1R1p/p3P3/4Q3/8/5B2

#2

7 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qg6#
      • 1...g6
        • 2.Qxg6#
      • 1...Be8!
    • 1.Qh6+?
      • 1...g6
        • 2.Qxg6#
      • 1...gxh6!
  • Keys
    • 1.e5!
      • threat
        • 2.exd6#
      • 1...Kxd5
        • 2.e6#
      • 1...Kxf5
        • 2.Bh3#
      • 1...dxe5
        • 2.Qxe5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • P(h);::QAR2(B),XP(h)
      • Refutation
        • B(f);
    • Try
      • Q(B);CHECK
      • Vars
        • P(h);P_SPINP(h)::QAR2(B),XP(h)
      • Refutation
        • P(h);XQ(B)
  • Actual
    • P(C);
    • Threat
      • QAR(B)+P(C),XP(d)
    • Vars
      • K(e);OGATE,S_FLIGHT,XR(D)::R(E)+P(C)
      • K(e);OGATEB,S_FLIGHT,XR(E)::B(A)
      • P(d);OGATE,P_SPINP(d),XP(C)::QAR1(B),XP(d)


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).