MESON Chess Problem Database

Problem Display
PID: 147831 (1b3R2/1pp2Np1/1r4p1/1r6/1p1P4/4P2B/2nQNk2/7K w - - 0 1)

Drese, Gerardus Hendrikus

L'Italia Scacchistica, 1930

1b3R2/1pp2Np1/1r4p1/1r6/1p1P4/4P2B/2nQNk2/7K

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sg5#
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Se5#
  • Keys
    • 1.Kh2!
      • threat
        • 2.Sg1#
      • 1...c5+
        • 2.Sd6#
      • 1...c6+
        • 2.Se5#
      • 1...Kf3
        • 2.Sg5#
      • 1...Sxd4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(H)+S(G),DCHECK
    • P(h);S_CUTR(d)::R(H)+S(G)
    • P(h);S_CUTR(e)::R(H)+S(G)
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR(B)+S(C)
    • Vars
      • P(h);CHECK,S_CUTR(d)::R(H)+S(G)
      • P(h);CHECK,S_CUTR(e)::R(H)+S(G)
      • K(b);P-FLIGHT::R(H)+S(G),DCHECK
      • S(a);XP(F)::QAR(B)+S(C),XS(a)
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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).