MESON Chess Problem Database

Problem Display
PID: 219056 (8/2B5/R1B1pp2/2k1p3/1p6/1p2K1Q1/4P3/8 w - - 0 1)

Anonymous

Baltimore American and Commercial Advertiser, 1881

(First published on Sun Mar 6 1881)

8/2B5/R1B1pp2/2k1p3/1p6/1p2K1Q1/4P3/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qc1#
      • 1...Kc4
        • 2.Qc1#
      • 1...b2!
    • 1.Qxe5+?
      • 1...Kc4
        • 2.Bb5#
        • 2.Qd4#
      • 1...fxe5!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Kd3#
        • 2.Qc1#
      • 1...Kc4
        • 2.Qc1#
      • 1...b2
        • 2.Kd3#
      • 1...e4
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(c);P-FLIGHT::QAR(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);CHECK,XP(d)
      • Refutation
        • P(f);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT::QAR(C)
      • P(a);::QAB(C)+K(B)
      • P(d);::QAR(C)
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).