MESON Chess Problem Database

Problem Display
PID: 227799 (8/4P3/8/8/8/1K6/8/1k6 w - - 0 1)

Torngren, Pehr Hendrik

Aftonbladet, 1926

8/4P3/8/8/8/1K6/8/1k6

#2

2 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.e8R?
      • threat
        • 2.Re1#
      • 1...Ka1
        • 2.Re1#
      • 1...Kc1!
  • Keys
    • 1.e8Q!
      • threat
        • 2.Qe1#
      • 1...Ka1
        • 2.Qe1#
      • 1...Kc1
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR(B)
    • Vars
      • K(a);P-FLIGHT::QAR(B)
      • K(a);P-FLIGHT::QAR2(B)
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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).