MESON Chess Problem Database

Problem Display
PID: 174910 (nR6/3k4/8/3P4/4P3/8/7Q/4K3 w - - 0 1)

Drnek, Josef

Nove parizske mody, 1901

nR6/3k4/8/3P4/4P3/8/7Q/4K3

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rb7+?
      • 1...Kc8
        • 2.Qb8#
      • 1...Kd8
        • 2.Qb8#
        • 2.Qh8#
      • 1...Ke8
        • 2.Qb8#
        • 2.Qh8#
      • 1...Sc7!
    • 1.Qh4?
      • threat
        • 2.Qd8#
      • 1...Kc7
        • 2.Qd8#
      • 1...Kd6!
  • Keys
    • 1.e5!
      • threat
        • 2.Qh7#
      • 1...Kc7
        • 2.e6#
      • 1...Ke7
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Threat
      • QAR(B)
    • Vars
      • K(a);P-FLIGHT::QAB(B)+P(C)
      • K(a);P-FLIGHT::QAR(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).