MESON Chess Problem Database

Problem Display
PID: 199799 (3B4/8/2b3p1/4Nk2/1n1pR3/8/3K2P1/7Q w - - 0 1)

Schotel, FI

Haagsche Courant, 1899

3B4/8/2b3p1/4Nk2/1n1pR3/8/3K2P1/7Q

#2

6 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc6?
      • threat
        • 2.g4#
      • 1...g5
        • 2.Qh7#
      • 1...Kxe4!
    • 1.Qh4?
      • threat
        • 2.Qg4#
      • 1...Bxe4
        • 2.Qf6#
      • 1...Ke6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.g4#
      • 1...Kxe4
        • 2.g4#
      • 1...Bxe4
        • 2.Qh3#
      • 1...g5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XB(d)
      • Threat
        • P(C)
      • Vars
        • P(e);OGATEB::QAB(A)
      • Refutation
        • K(c);S_FLIGHT,XR(D)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(d);SBLOCK,XR(D)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • P(C)
    • Vars
      • K(c);S_FLIGHT,XR(D)::QAB(A)+P(C)
      • B(d);SBLOCK,XR(D)::QAB(A)
      • P(e);OGATEB::QAB(A)
HTML5 logo

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).