MESON Chess Problem Database

Problem Display
PID: 222674 (1r1b4/2q2p2/1p4p1/4k2p/2QN2R1/3PP3/4KPB1/8 w - - 0 1)

Burnham, Lincoln

Cincinnati Commercial, 1883

1r1b4/2q2p2/1p4p1/4k2p/2QN2R1/3PP3/4KPB1/8

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Qd5#
      • 2.Qxc7#
    • 1...f5
      • 2.Qe6#
    • 1...f6
      • 2.Qd5#
      • 2.Qe6#
  • Keys
    • 1.Rxg6!
      • threat
        • 2.Qd5#
        • 2.f4#
      • 1...Qxc4
        • 2.f4#
      • 1...fxg6
        • 2.Qe6#
      • 1...Bf6
        • 2.Qd5#
        • 2.Qxc7#
      • 1...f6
        • 2.Qd5#
        • 2.Qe6#
      • 1...Qd6
        • 2.f4#
      • 1...Qc5
        • 2.f4#
      • 1...Qc6
        • 2.f4#
      • 1...Qb7
        • 2.f4#
      • 1...Qd7
        • 2.f4#
      • 1...Bg5
        • 2.Qd5#
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::QAR1(F)
  • Actual
    • R(H);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • Q(e);P_PINP(D),XQ(F)::P(B)
      • P(f);N_GUARD,XR(H)::QAR1(F)
      • Q(e);::P(B)
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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).