MESON Chess Problem Database

Problem Display
PID: 214543 (2B5/2K1Q3/3p4/p7/2kr4/B2R4/8/8 w - - 0 1)

de Visser, William M

New York Turf, Field and Farm, 1878

2B5/2K1Q3/3p4/p7/2kr4/B2R4/8/8

#2

5 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qe6#
    • 1...Re4
      • 2.Ba6#
    • 1...Rf4
      • 2.Ba6#
    • 1...Rg4
      • 2.Ba6#
    • 1...Rh4
      • 2.Ba6#
    • 1...d5
      • 2.Ba6#
  • Tries
    • 1.Rc3+?
      • 1...Kb5
        • 2.Qd7#
        • 2.Qe8#
      • 1...Kd5
        • 2.Bb7#
        • 2.Qe6#
      • 1...Kxc3!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Ba6#
      • 1...Kb5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • K(a);P_SPINR(b),S_FLIGHT::QAB1(D)
    • R(b);::B(E)
    • P(d);SBLOCK::B(E)
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XR(B)
  • Actual
    • Q(D);P_PINR(b)
    • Threat
      • B(E)
    • Vars
      • K(a);N_SPINR(b),S_FLIGHT::QAB1(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).