MESON Chess Problem Database

Problem Display
PID: 62464 (8/7N/5p2/Q2Rp3/3pk1B1/8/3K3P/8 w - - 0 1)

Kouwenhoven, JT

Tijdschrift vd NSB, 1896

8/7N/5p2/Q2Rp3/3pk1B1/8/3K3P/8

#2

6 + 4

58 Tijdschrift vd NSB 1896

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd4+?
      • 1...exd4
        • 2.Qf5#
      • 1...Kxd4!
  • Keys
    • 1.Qc7!
      • 1...Kf4
        • 2.Rxd4#
      • 1...Kxd5
        • 2.Sxf6#
      • 1...f5
        • 2.Qxe5#
      • 1...d3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XP(a)
      • Vars
        • P(c);OGATE,SBLOCK,XR(E)::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT,XR(E)
  • Actual
    • Q(D);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(c)::R(E),XP(a)
      • K(b);S_FLIGHT,XR(E)::S(F),XP(d)
      • P(d);N_GUARD::QAR1(D),XP(c)
      • P(a);OGATEB::QAR2(D)
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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).