Problem Display
PID: 107756 (2Kb4/3Np3/2k2q1p/1pN5/1B6/8/B6Q/7b w - - 0 1)

Bolus, Andrew

Hampshire Post, 1912

2Kb4/3Np3/2k2q1p/1pN5/1B6/8/B6Q/7b

#2

6 + 7


3360 Simple Two-move Themes 1924
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bb6
      • 2.Sb8#
    • 1...Bc7
      • 2.Qxc7#
  • Tries
    • 1.Qxh1+?
      • 1...Kd6
        • 2.Sd3#
        • 2.Sa4#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sb7#
        • 2.Qd5#
      • 1...Qf3!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sxd8#
      • 1...Qh8
        • 2.Qxh1#
      • 1...Qf8
        • 2.Qc2#
      • 1...Ba5
        • 2.Sxa5#
      • 1...Bb6
        • 2.Sb8#
      • 1...Bc7
        • 2.Qxc7#
      • 1...e5
        • 2.Qc2#
      • 1...e6
        • 2.Qd6#

There are these versions: 19082

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(g);SBLOCK::S(E)
    • B(g);N_GUARD::QAR1(B),XB(g)
  • Tries
    • Try
      • Q(B);CHECK,XB(a)
      • Refutation
        • Q(d);P_SPINQ(d)
  • Actual
    • S(D);
    • Threat
      • S(D),XB(g)
    • Vars
      • Q(d);N_GUARD::QAB(B),XB(a)
      • Q(d);N_GUARD::QAR(B)
      • B(g);N_GUARD::S(D),XB(g)
      • B(g);SBLOCK::S(E)
      • B(g);N_GUARD::QAR1(B),XB(g)
      • P(f);S_CUTQ(d)::QAR(B)
      • P(f);N_GUARD,S_CUTQ(d)::QAR1(B)


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).