MESON Chess Problem Database

Problem Display
PID: 205701 (6Q1/6nB/7k/4p3/4P1K1/8/8/8 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1925

6Q1/6nB/7k/4p3/4P1K1/8/8/8

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qg6#
    • 1...Sh5
      • 2.Qg6#
    • 1...Se6
      • 2.Qg6#
    • 1...Se8
      • 2.Qg6#
  • Tries
    • 1.Kh4?
      • 1...Sh5
        • 2.Qg6#
      • 1...Se6
        • 2.Qg6#
      • 1...Se8
        • 2.Qg6#
      • 1...Sf5+!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Bf5#
      • 1...Sf5
        • 2.Bxf5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(c);OGATE::QAR1(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • S(c);OGATE::QAR1(D)
      • Refutation
        • S(c);CHECK
  • Actual
    • Q(D);
    • Threat
      • QAR(D)+B(C)
    • Vars
      • S(c);::QAR(D)+B(C),XS(c)
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).