MESON Chess Problem Database

Problem Display
PID: 148626 (5B2/Q1p5/nN6/2pPk1Pp/4B2P/5PK1/5P2/8 w - - 0 1)

Kuijers, LA

De Amsterdammer, 1899

5B2/Q1p5/nN6/2pPk1Pp/4B2P/5PK1/5P2/8

#2

10 + 5

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bg7#
    • 1...Sb4
      • 2.Qa1#
    • 1...Sb8
      • 2.Qa1#
    • 1...c4
      • 2.Sxc4#
      • 2.Sd7#
    • 1...cxb6
      • 2.Qg7#
    • 1...c6
      • 2.Qg7#
  • Tries
    • 1.Bxc5?
      • threat
        • 2.Sc4#
        • 2.Sd7#
      • 1...cxb6
        • 2.Qe7#
        • 2.Qg7#
      • 1...Sb8
        • 2.Sc4#
        • 2.Qa1#
        • 2.Qxc7#
      • 1...Sxc5!
    • 1.Qxa6?
      • threat
        • 2.Qa1#
      • 1...Kd4
        • 2.Bg7#
        • 2.Qa1#
      • 1...c4!
    • 1.Qxc7+?
      • 1...Kd4
        • 2.Bg7#
        • 2.Qg7#
      • 1...Sxc7!
  • Keys
    • 1.g6!
      • 1...Kd4
        • 2.Bg7#
      • 1...Kf6
        • 2.Sd7#
      • 1...cxb6
        • 2.Qg7#
      • 1...c4
        • 2.Sd7#
      • 1...Sb4
        • 2.Qa1#
      • 1...Sb8
        • 2.Qa1#
      • 1...c6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(J)
    • S(d);OGATE::QAB(I)
    • P(e);OGATE,XS(H)::QAB(I)
    • P(e);OGATE::QAB(I)
  • Tries
    • Try
      • B(J);XP(a)
      • Threat
        • DUALS(2)
      • Refutation
        • S(d);XB(J)
    • Try
      • Q(I);XS(d)
      • Threat
        • QAB(I)
      • Refutation
        • P(a);
    • Try
      • Q(I);CHECK,XP(e)
      • Refutation
        • S(d);XQ(I)
  • Actual
    • P(G);
    • Vars
      • K(b);S_FLIGHT::B(J)
      • K(b);S_FLIGHT::S(H)
      • P(e);OGATE,XS(H)::QAB(I)
      • P(a);::S(H)
      • S(d);OGATE::QAB(I)
      • P(e);OGATE::QAB(I)
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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).