MESON Chess Problem Database

Problem Display
PID: 115154 (2R5/2np4/B2b4/P1N1n1RQ/3k4/2N5/8/K7 w - - 0 1)

Bertrand, JA

La Presse, 1894

2R5/2np4/B2b4/P1N1n1RQ/3k4/2N5/8/K7

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe2!
      • 1...Kxc3
        • 2.Qb2#
      • 1...Kxc5
        • 2.Qc4#
      • 1...Bxc5
        • 2.Qxe5#
      • 1...Sxa6
        • 2.Sb3#
      • 1...Be7
        • 2.Qxe5#
      • 1...Bf8
        • 2.Qxe5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sf3
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Sg4
        • 2.Qd3#
        • 2.Qd2#
      • 1...Sc6
        • 2.Qd3#
        • 2.Qd2#
      • 1...Sg6
        • 2.Qd3#
        • 2.Qd2#
      • 1...Sf7
        • 2.Qd3#
        • 2.Qd2#
      • 1...Sb5
        • 2.Sb3#
      • 1...Sd5
        • 2.Sb5#
        • 2.Sb3#
      • 1...Se6
        • 2.Sb3#
      • 1...Sa8
        • 2.Sb3#
      • 1...Se8
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(F)
      • K(a);P_SPINS(b),S_FLIGHT,XS(D)::QAR1(F)
      • B(c);N_GUARD,XS(D)::QAB1(F),XS(b)
      • S(d);XB(G)::S(D)
      • B(c);N_GUARD::QAB1(F),XS(b)
      • S(b);N_GUARD::QAR1(F),XS(b)
      • S(b);N_GUARD::QAR1(F)
      • S(d);::S(D)
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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).