MESON Chess Problem Database

Problem Display
PID: 208817 (8/1Q3p2/1R3N2/2p1r3/2k1b3/3p4/3K4/8 w - - 0 1)

Cook, Eugene Beauharnais

Dubuque Chess Journal, 1876

8/1Q3p2/1R3N2/2p1r3/2k1b3/3p4/3K4/8

#2

4 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qxe4#
    • 1...Rg5
      • 2.Qxe4#
    • 1...Rh5
      • 2.Qxe4#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qa4#
      • 1...Kd4
        • 2.Rb4#
      • 1...Bc6!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qa4#
      • 1...Bc6
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::QAR2(D),XB(c)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • B(c);
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • B(c);N_GUARD::QAB1(D),XP(a)
HTML5 logo

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).