MESON Chess Problem Database

Problem Display
PID: 218570 (8/4B3/1pRnN3/4k1Pp/2P1B3/4R1n1/6N1/1b2K3 w - - 0 1)

Block, AB

Cincinnati Commercial, 1882

8/4B3/1pRnN3/4k1Pp/2P1B3/4R1n1/6N1/1b2K3

#2

9 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc4
      • 2.Bf6#
    • 1...Sb5
      • 2.Bf6#
    • 1...Sf5
      • 2.Bf6#
    • 1...Sb7
      • 2.Bf6#
    • 1...Sf7
      • 2.Bf6#
    • 1...Sc8
      • 2.Bf6#
  • Tries
    • 1.Sg7?
      • threat
        • 2.Bf6#
      • 1...Kd4
        • 2.Bf6#
      • 1...Se8!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Bf6#
      • 1...Kxd4
        • 2.Bf6#
      • 1...Se8
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(f);XP(D)::B(I)
    • S(f);::B(I)
  • Tries
    • Try
      • S(H);
      • Threat
        • B(I)
      • Vars
        • K(c);S_FLIGHT::B(I)
      • Refutation
        • S(f);
  • Actual
    • S(H);
    • Threat
      • B(I)
    • Vars
      • K(c);S_FLIGHT,XS(H)::B(I)
      • S(f);::S(H)
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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).