Problem Display
PID: 245431 (6NB/5pr1/2KP3n/R1b2p1b/1p1pk1B1/1N2Pp2/1qnRp3/2r3Q1 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Comm., Taraba MT, 2001

6NB/5pr1/2KP3n/R1b2p1b/1p1pk1B1/1N2Pp2/1qnRp3/2r3Q1

#2

10 + 14


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Sxc5#
    • 1...Rg5
      • 2.Sxc5#
    • 1...Rg6
      • 2.Sxc5#
    • 1...Rh7
      • 2.Sxc5#
    • 1...Rxg8
      • 2.Sxc5#
    • 1...Bb6
      • 2.Sf6#
    • 1...Bxd6
      • 2.Sf6#
    • 1...Ba7
      • 2.Sf6#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qxf3#
      • 1...Rxg4
        • 2.Qe5#
      • 1...Bxd6
        • 2.Qxf3#
      • 1...Sxe3
        • 2.Sf6#
      • 1...dxe3
        • 2.Sxc5#
      • 1...f4
        • 2.Qxf4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(n);XB(E)::S(C),XB(i)
    • R(n);::S(C),XB(i)
    • R(n);P_PINP(H)::S(C),XB(i)
    • R(n);XS(I)::S(C),XB(i)
    • B(i);::S(I)
    • B(i);XP(H)::S(I)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(h);P-FLIGHT,P_SPINP(e),XP(D)::QAR1(A),XP(e)
      • R(n);XB(E)::QAR1(A)
      • B(i);XP(H)::QAB1(A),XP(e)
      • S(c);SBLOCK,XP(D)::S(I)
      • P(g);SBLOCK,XP(D)::S(C),XB(i)
      • P(j);::QAR1(A),XP(j)


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).