MESON Chess Problem Database

Problem Display
PID: 122952 (3R4/7b/8/2kP4/P1Nrp3/K2p4/8/6Q1 w - - 0 1)

Ferber, Eugene

Deutsches Wochenschach, 1901

3R4/7b/8/2kP4/P1Nrp3/K2p4/8/6Q1

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qc1#
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qc7#
      • 1...Kxc4
        • 2.Qc7#
      • 1...Rxc4
        • 2.Qa7#
      • 1...Rxd5
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINR(b),OGATEB,P-FLIGHT,XS(D)::QAR(A)
  • Actual
    • Q(A);N_PINR(b)
    • Threat
      • QAR2(A)
    • Vars
      • K(d);P-FLIGHT,XS(D)::QAR(A)
      • R(b);SBLOCK,XS(D)::QAB(A)
      • R(b);SBLOCK,XP(E)::R(F)
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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).