MESON Chess Problem Database

Problem Display
PID: 180657 (k2B2r1/8/1Q6/8/6b1/8/1K4R1/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2017

k2B2r1/8/1Q6/8/6b1/8/1K4R1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Bc7!
      • threat
        • 2.Qa6#
      • 1...Rg6
        • 2.Qb8#
      • 1...Rb8
        • 2.Qxb8#
      • 1...Be2
        • 2.Rxg8#
      • 1...Bc8
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(D);
    • Threat
      • QAR2(C)
    • Vars
      • R(c);N_GUARD::QAR1(C)
      • R(c);N_GUARD,P_PINQ(C)::QAR1(C),XR(c)
      • B(a);OGATE::R(B),XR(c)
      • B(a);S_CUTR(c)::QAR1(C)
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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).