MESON Chess Problem Database

Problem Display
PID: 186723 (1n1K2b1/8/p1pp1Q2/k1q1R3/3N4/2N5/1R6/r5B1 w - - 0 1)

Henry, S

Chess, 1960

1n1K2b1/8/p1pp1Q2/k1q1R3/3N4/2N5/1R6/r5B1

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd7
      • 2.Sxc6#
  • Keys
    • 1.Qxd6!
      • threat
        • 2.Rxc5#
        • 2.Qxc5#
        • 2.Qc7#
      • 1...Qxe5
        • 2.Qb4#
      • 1...Qb5
        • 2.Qc7#
      • 1...Bb3
        • 2.Qxc5#
      • 1...Bd5
        • 2.Qxc5#
      • 1...Qd5
        • 2.Sb3#
      • 1...Bc4
        • 2.Qc7#
      • 1...Sd7
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::S(D),XP(e)
  • Actual
    • Q(F);XP(f)
    • Threat
      • DUALS(3)
    • Vars
      • Q(c);N_SPINQ(c),OGATE,XR(E)::QAB1(F)
      • Q(c);::QAB(F)
      • B(h);::QAR2(F),XQ(c)
      • B(h);N_SPINQ(c)::QAR2(F),XQ(c)
      • Q(c);P_PINQ(F),S_CUTB(h)::S(D)
      • B(h);::QAB(F)
      • S(g);N_GUARD::S(D),XP(e)
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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).