MESON Chess Problem Database

Problem Display
PID: 11117 (5K2/3p1R2/4k3/8/6n1/3Q4/5P2/8 w - - 0 1)

Derevenko, N

Shakhmaty v SSSR, 1936

5K2/3p1R2/4k3/8/6n1/3Q4/5P2/8

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
145 StrateGems 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Sf6
      • 2.Re7#
    • 1...d6
      • 2.Qf5#
  • Keys
    • 1.f4!
      • threat
        • 2.Qxd7#
      • 1...d5
        • 2.Qa6#
      • 1...Se5
        • 2.f5#
      • 1...Sf6
        • 2.Re7#
      • 1...d6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::R1(C)
    • P(c);SBLOCK::QAB1(B)
  • Actual
    • P(A);
    • Threat
      • QAB1(B),XP(c)
    • Vars
      • P(c);N_GUARD,SBLOCK::QAR(B)
      • S(a);SBLOCK::P(A)
      • S(a);SBLOCK::R1(C)
      • P(c);SBLOCK::QAB1(B)
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).