MESON Chess Problem Database

Problem Display
PID: 232467 (1qN5/n7/1p1Pp2Q/1BP2p2/R1K1k3/1pP2N2/6P1/br6 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2008

1qN5/n7/1p1Pp2Q/1BP2p2/R1K1k3/1pP2N2/6P1/br6

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd6
      • 2.Sxd6#
    • 1...Sc6
      • 2.Bxc6#
    • 1...Sxc8
      • 2.Bc6#
    • 1...f4
      • 2.Qxe6#
    • 1...bxc5
      • 2.Kxc5#
    • 1...e5
      • 2.Sd2#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qd4#
      • 1...Qxd6
        • 2.Sxd6#
      • 1...Bxc3
        • 2.Kxc3#
      • 1...Sxb5
        • 2.Kxb5#
      • 1...bxc5
        • 2.Kxc5#
      • 1...f4
        • 2.Qd3#
      • 1...Rd1
        • 2.Kxb3#
      • 1...Sc6
        • 2.Bxc6#
      • 1...e5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(i);XP(H)::S(J),XQ(i)
    • S(h);N_GUARD::B(F),XS(h)
    • S(h);N_GUARD,XS(J)::B(F)
    • P(e);SBLOCK::QAR2(I),XP(g)
    • P(f);XP(G)::R(D)+K(E),XP(f)
    • P(g);SBLOCK::S(C)
  • Actual
    • Q(I);
    • Threat
      • QAR1(I)
    • Vars
      • Q(i);XP(H)::S(J),XQ(i)
      • B(a);XP(B)::R(D)+K(E),XB(a)
      • S(h);XB(F)::R(D)+K(E),XS(h)
      • P(f);XP(G)::R(D)+K(E),XP(f)
      • P(e);SBLOCK::QAB1(I)
      • R(b);::R(D)+K(E),XP(c)
      • S(h);N_GUARD::B(F),XS(h)
      • P(g);SBLOCK::S(C)
HTML5 logo

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).