MESON Chess Problem Database

Problem Display
PID: 103203 (8/2Q3K1/1B1Np1P1/3pk3/5p2/3r4/8/8 w - - 0 1)

Maximov, Nikolai J

La Presse, 1896

8/2Q3K1/1B1Np1P1/3pk3/5p2/3r4/8/8

#2

5 + 5

6490 yacpdb 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qc5#
  • Keys
    • 1.Qc2!
      • 1...Kxd6
        • 2.Qc7#
      • 1...f3
        • 2.Qh2#
      • 1...d4
        • 2.Qc5#
      • 1...Rd1
        • 2.Sf7#
      • 1...Rd2
        • 2.Sf7#
      • 1...Ra3
        • 2.Sf7#
      • 1...Rb3
        • 2.Sf7#
      • 1...Rc3
        • 2.Sf7#
      • 1...Re3
        • 2.Sf7#
      • 1...Rf3
        • 2.Sf7#
      • 1...Rg3
        • 2.Sf7#
      • 1...Rh3
        • 2.Sf7#
      • 1...Rd4
        • 2.Sf7#

This anticipates 187969(1910)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAR2(D)
  • Actual
    • Q(D);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(B)::QAB1(D)
      • P(b);OGATEB::QAB(D)
      • P(c);OGATEB::QAR2(D)
      • R(a);::S(B)
      • R(a);P_PINP(C)::S(B)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).