MESON Chess Problem Database

Problem Display
PID: 68069 (8/p1Q5/Kp3N2/1p1P4/1B1k1p2/1p2r3/1N6/8 w - - 0 1)

Barron, Philip

Chess, 1949

8/p1Q5/Kp3N2/1p1P4/1B1k1p2/1p2r3/1N6/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qc3#
    • 1...Re2
      • 2.Qc3#
    • 1...Rc3
      • 2.Qxf4#
      • 2.Qxc3#
    • 1...Rd3
      • 2.Qxf4#
    • 1...Rg3
      • 2.Qxf4#
    • 1...Rh3
      • 2.Qxf4#
    • 1...Re4
      • 2.Qc3#
    • 1...Re5
      • 2.Qc3#
    • 1...Re6
      • 2.Qc3#
    • 1...Re7
      • 2.Qc3#
    • 1...Re8
      • 2.Qc3#
  • Keys
    • 1.Qxf4+!
      • 1...Re4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • R(b);N_GUARD::QAB1(F)
    • R(b);N_GUARD::QAR2(F),XP(d)
    • R(b);N_GUARD,SBLOCK::QAB1(F)
  • Actual
    • Q(F);CHECK,XP(d)
    • Vars
      • R(b);N_GUARD,P_SPINR(b)::QAR1(F),XR(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).