MESON Chess Problem Database

Problem Display
PID: 172512 (4N3/8/2Q2p2/4k3/1P6/3p2K1/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2002

4N3/8/2Q2p2/4k3/1P6/3p2K1/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Ke4
        • 2.Sd6#
        • 2.Sxf6#
      • 1...Ke6!
  • Keys
    • 1.Kf3!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qc5#
      • 1...Kf5
        • 2.Qxf6#
      • 1...f5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(C)
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAR1(C),XP(c)
      • P(c);SBLOCK::QAB1(C)
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).