MESON Chess Problem Database

Problem Display
PID: 184878 (8/8/6pp/7k/7p/5P1p/5Q2/K7 w - - 0 1)

Berkovits, Rudolf

Magyar Sakklap, 1908

8/8/6pp/7k/7p/5P1p/5Q2/K7

#2

3 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1?
      • 1...Kg5
        • 2.Qe5#
      • 1...g5
        • 2.Qe8#
      • 1...h2!
    • 1.Qe3?
      • 1...g5
        • 2.Qe8#
      • 1...h2!
    • 1.Qd4?
      • threat
        • 2.Qg4#
      • 1...Kg5
        • 2.Qe5#
      • 1...g5!
    • 1.Qh2?
      • 1...Kg5
        • 2.Qe5#
      • 1...g5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.f4#
      • 1...Kg5
        • 2.Qe5#
      • 1...g5
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(B)
        • P(d);OGATEB,SBLOCK::QAB(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • P(d);OGATEB,SBLOCK::QAB(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR2(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(B)
      • Refutation
        • P(d);
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+P(C)
    • Vars
      • K(c);P-FLIGHT::QAR2(B)
      • P(d);OGATEB,SBLOCK::QAB(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).