MESON Chess Problem Database

Problem Display
PID: 182774 (8/6Bb/6pb/6p1/1p2K1P1/p2p4/1RPkN3/N1R5 w - - 0 1)

Morse, Christopher Jeremy

2nd Prize, Problem Observer, 2015

8/6Bb/6pb/6p1/1p2K1P1/p2p4/1RPkN3/N1R5

#2

8 + 8

136 Problem Observer 2016

SOLUTION

  • SOUND
  • Sets
    • 1...a2
      • 2.cxd3#
      • 2.c3#
      • 2.c4#
    • 1...dxc2
      • 2.Rbxc2#
    • 1...dxe2
      • 2.Sb3#
  • Keys
    • 1.Ra2!
      • threat
        • 2.cxd3#
        • 2.c3#
        • 2.c4#
      • 1...Kxe2
        • 2.cxd3#
      • 1...Bxg7
        • 2.c3#
      • 1...dxc2
        • 2.Raxc2#
      • 1...dxe2
        • 2.Sb3#
      • 1...Bg8
        • 2.c4#
      • 1...b3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE,P_SPINP(c),XP(D)::R1(C),XP(c)
    • P(c);SBLOCK,XS(E)::S(A)
  • Actual
    • R(C);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT,XS(E)::R(C)+P(D),XP(c)
      • B(g);XB(H)::R(C)+P(D)
      • P(c);OGATE,P_SPINP(c),XP(D)::R1(C),XP(c)
      • P(c);SBLOCK,XS(E)::S(A)
      • B(h);::R(C)+P(D)
      • P(d);OGATE::R(C)+P(D),XP(d)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).