MESON Chess Problem Database

Problem Display
PID: 44502 (7B/8/B2npr2/1npp2bR/Rp1k1pK1/3rqPP1/P2PQ3/1N2N3 w - - 0 1)

Kipping, Cyril Stanley

Chess Amateur (The), 1914

7B/8/B2npr2/1npp2bR/Rp1k1pK1/3rqPP1/P2PQ3/1N2N3

#2

12 + 12

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qxd3#
  • Keys
    • 1.Sc2+!
      • 1...Kc4
        • 2.Sba3#
      • 1...Ke5
        • 2.gxf4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(b);N_GUARD,N_SPINR(l),SBLOCK::QAR1(E),XR(a)
  • Actual
    • S(B);CHECK
    • Vars
      • K(d);N_SPINR(l),P-FLIGHT,P_SPINR(a),P_SPINS(f)::S(A)
      • K(d);N_SPINP(c),P_SPINB(i),P_SPINQ(b),S_FLIGHT::P(G),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).