MESON Chess Problem Database

Problem Display
PID: 178000 (8/2R5/4p1N1/p2pP1Q1/1p1kP3/1P1p1P2/1P4p1/NKB3b1 w - - 0 1)

Mochalkin, Oleksandr Viktorovich

Sahs (Latvia), 1981

8/2R5/4p1N1/p2pP1Q1/1p1kP3/1P1p1P2/1P4p1/NKB3b1

#2

11 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Be3#
      • 2.Qe3#
    • 1...Be3
      • 2.Bxe3#
      • 2.Qxe3#
    • 1...d2
      • 2.Qxd2#
    • 1...dxe4
      • 2.Qd8#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sxe6#
      • 1...dxe4
        • 2.Rc4#
      • 1...d2
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAR2(I),XP(c)
    • P(g);OGATEB,XP(G)::QAR(I)
  • Actual
    • S(J);
    • Threat
      • S(J),XP(h)
    • Vars
      • P(g);N_GUARD,XP(G)::R1(K)
      • P(c);N_GUARD::S(A)
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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).