MESON Chess Problem Database

Problem Display
PID: 121553 (1r5k/1p6/5P2/4Q3/1K4p1/1p6/7r/8 w - - 0 1)

Kosek, Wojtech

Venkov, 1934

1r5k/1p6/5P2/4Q3/1K4p1/1p6/7r/8

#2

3 + 6

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rh7
      • 2.Qxb8#
    • 1...Rg8
      • 2.Qxh2#
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qg7#
      • 1...Kg8
        • 2.Qg7#
      • 1...Rh7
        • 2.Qxb8#
      • 1...Rg8
        • 2.Qxh2#

Anticipated by 194242(1917)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::QAR(B),XR(e)
    • R(e);SBLOCK::QAR(B),XR(a)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(f);P-FLIGHT::QAR1(B)
      • R(a);SBLOCK::QAR(B),XR(e)
      • R(e);SBLOCK::QAR(B),XR(a)
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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).