MESON Chess Problem Database

Problem Display
PID: 273879 (3N2B1/8/N1R4q/r4Pp1/2Pk3p/Bpp1RP2/bb3K2/8 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Buletin Problemistic, 1997

3N2B1/8/N1R4q/r4Pp1/2Pk3p/Bpp1RP2/bb3K2/8

#2

10 + 9

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.Se6#
    • 1...Qf8
      • 2.Se6#
    • 1...Qh5
      • 2.Se6#
    • 1...Qxc6
      • 2.Sxc6#
    • 1...Qe6
      • 2.Sxe6#
    • 1...Qh7
      • 2.Se6#
    • 1...Qh8
      • 2.Se6#
    • 1...Ra4
      • 2.Bc5#
    • 1...Rc5
      • 2.Bxc5#
    • 1...Rxa6
      • 2.Bc5#
    • 1...c2
      • 2.Bxb2#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Re4#
      • 1...Qxc6
        • 2.Sbxc6#
      • 1...Qe6
        • 2.Sxe6#
      • 1...Re5
        • 2.Rd3#
      • 1...c2
        • 2.Bxb2#
      • 1...Bb1!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Re4#
      • 1...Qxc6
        • 2.Sxc6#
      • 1...Rxc5
        • 2.Bxc5#
      • 1...Qe6
        • 2.Scxe6#
      • 1...Bb1
        • 2.Sxb3#
      • 1...c2
        • 2.Bxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • Q(i);N_GUARD::S(I)
    • Q(i);XR(H)::S(I),XQ(i)
    • Q(i);N_GUARD::S(I),XQ(i)
    • R(g);N_GUARD::B(B)
    • R(g);N_GUARD::B(B),XR(g)
    • R(g);N_GUARD,XS(G)::B(B)
    • P(d);OGATEB::B(B),XB(b)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(C)
      • Vars
        • Q(i);XR(H)::S(G),XQ(i)
        • Q(i);N_GUARD::S(I),XQ(i)
        • R(g);SBLOCK::R1(C)
        • P(d);OGATEB::B(B),XB(b)
      • Refutation
        • B(a);
  • Actual
    • S(G);
    • Threat
      • R1(C)
    • Vars
      • Q(i);XR(H)::S(I),XQ(i)
      • R(g);OGATE,XS(G)::B(B),XR(g)
      • Q(i);N_GUARD::S(G),XQ(i)
      • B(a);N_GUARD::S(G),XP(c)
      • P(d);OGATEB::B(B),XB(b)
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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).