MESON Chess Problem Database

Problem Display
PID: 161916 (n2r4/Kp3b1B/8/N1pkp3/1B1P3Q/2b1p1p1/2Prn3/3Nq3 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachmatija, 2009

n2r4/Kp3b1B/8/N1pkp3/1B1P3Q/2b1p1p1/2Prn3/3Nq3

#2

8 + 13

SOLUTION

  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qxc5#
      • 1...Rxd4
        • 2.Sxe3#
      • 1...Bxd4
        • 2.c4#
      • 1...Sxd4
        • 2.Sxc3#
      • 1...cxd4
        • 2.Qxf7#
      • 1...exd4
        • 2.Be4#
      • 1...Re8
        • 2.Qd7#
      • 1...Be6
        • 2.Qxc5#
      • 1...e4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XP(i)
    • Vars
      • K(h);P-FLIGHT,XP(D)::QAB1(E),XP(g)
      • R(b);SBLOCK,XP(D)::S(A),XP(e)
      • B(d);OGATE,SBLOCK,XP(D)::P(B)
      • S(c);N_GUARD,SBLOCK,XP(D)::S(A),XB(d)
      • P(g);SBLOCK,XP(D)::QAB(E),XB(k)
      • P(i);SBLOCK,XP(D)::B(H)
      • R(m);N_GUARD::QAR2(E)
      • B(k);SBLOCK::QAR1(E),XP(g)
      • P(i);::QAR1(E)
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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).