MESON Chess Problem Database

Problem Display
PID: 193695 (8/8/8/3kbQ2/1K1N4/5P2/8/8 w - - 0 1)

Marel, A

Sahul, 1915

8/8/8/3kbQ2/1K1N4/5P2/8/8

#2

4 + 2

6490 yacpdb 2019
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qe4#
  • Keys
    • 1.Qg5!
      • 1...Kxd4
        • 2.Qd2#
      • 1...Kd6
        • 2.Qd8#

This anticipates 238331(1935)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(b),P-FLIGHT,XS(C)::QAR1(D)
  • Actual
    • Q(D);
    • Vars
      • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XS(C)::QAR2(D)
      • K(a);N_SPINB(b),P-FLIGHT::QAR2(D)
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).