MESON Chess Problem Database

Problem Display
PID: 174924 (2Q5/8/2KpN3/p3p1PB/2n1k3/2p1P3/4R3/8 w - - 0 1)

Traxler, Karel Peter

Wiener Schachzeitung, 1901

(First published on Thu Apr 4 1901)

2Q5/8/2KpN3/p3p1PB/2n1k3/2p1P3/4R3/8

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.e4#
    • 1...d5
      • 2.Sc5#
  • Tries
    • 1.Qe8?
      • threat
        • 2.Qg6#
      • 1...Kf5
        • 2.Qg6#
        • 2.e4#
      • 1...Kd3!
    • 1.Qg8?
      • threat
        • 2.Qh7#
        • 2.Qg6#
      • 1...Kf5
        • 2.Qg6#
        • 2.e4#
      • 1...Kd3!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qh7#
      • 1...Kd3
        • 2.Sc5#
      • 1...Kf5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATE,S_FLIGHT::P(B)
    • P(f);N_GUARD::S(F)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • K(c);P_SPINP(f),S_FLIGHT::S(F)
      • K(c);OGATE,S_FLIGHT::P(B)
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).