MESON Chess Problem Database

Problem Display
PID: 143329 (q5B1/1Q4p1/2R5/8/1p2P3/8/1P5b/5K1k w - - 0 1)

Lipton, Michael

The Problemist, 2011

q5B1/1Q4p1/2R5/8/1p2P3/8/1P5b/5K1k

#2

6 + 5

SOLUTION

  • SOUND
  • Keys
    • 1.e5!
      • threat
        • 2.Bd5#
      • 1...Qa1+
        • 2.Rc1#
      • 1...Qa6+
        • 2.Rxa6#
      • 1...Qf8+
        • 2.Rf6#
      • 1...Qxg8
        • 2.Re6#
      • 1...Bxe5
        • 2.Rh6#
      • 1...Bg1
        • 2.Rh6#
      • 1...Bg3
        • 2.Rh6#
      • 1...Bf4
        • 2.Rh6#
      • 1...Qa2
        • 2.Rc4#
      • 1...Qa3
        • 2.Rc3#
      • 1...Qa5
        • 2.Rc5#
      • 1...Qd8
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);
    • Threat
      • B(F)
    • Vars
      • Q(e);CHECK,N_GUARD::QAB(E)+R(D)
      • Q(e);CHECK,N_GUARD::QAB(E)+R(D),XQ(e)
      • Q(e);N_GUARD,XB(F)::QAB(E)+R(D)
      • B(b);XP(C)::QAB(E)+R(D),DCHECK
      • B(b);::QAB(E)+R(D),DCHECK
      • Q(e);N_GUARD,SBLOCK::QAB(E)+R(D)
      • Q(e);N_GUARD::QAB(E)+R(D)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).