Problem Display
PID: 245461 (3Q4/r2r3p/2Bb2p1/P1P1N1P1/2pk3K/qn1N3R/1P3P1B/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Candela MT (Problemas), 2018

3Q4/r2r3p/2Bb2p1/P1P1N1P1/2pk3K/qn1N3R/1P3P1B/8

#2

12 + 9


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Rb7
      • 2.Qxd6#
    • 1...Rc7
      • 2.Qxd6#
    • 1...Re7
      • 2.Qxd6#
    • 1...Rf7
      • 2.Qxd6#
    • 1...Rg7
      • 2.Qxd6#
    • 1...Bxe5
      • 2.Bxe5#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Se6#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Sxc5
        • 2.Se2#
      • 1...Re7
        • 2.Qxd6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(h);OGATE,P_SPINB(e)::QAR2(L),XB(e)
    • B(e);OGATE,P_SPINR(h),XS(I)::B(C),XB(e)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XP(H)::QAB1(L)
      • K(d);OGATEB,S_FLIGHT,XS(I)::QAB1(L)
      • S(b);SBLOCK,XP(H)::S(D)
      • R(h);OGATE,P_SPINB(e)::QAR2(L),XB(e)


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).