MESON Chess Problem Database

Problem Display
PID: 166067 (r3q3/8/2P1p3/5p2/8/3Q2p1/4N3/4k1K1 w - - 0 1)

Akimov, Nikolai Nikolaevich

Troll, 2017

r3q3/8/2P1p3/5p2/8/3Q2p1/4N3/4k1K1

#2

4 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qe2#
        • 2.Qd1#
        • 2.Qe3#
      • 1...Qd7
        • 2.Qe2#
        • 2.Qe3#
      • 1...Qd8
        • 2.Qe2#
        • 2.Qe3#
      • 1...Ra1
        • 2.Qe2#
        • 2.Qe3#
      • 1...Ra2
        • 2.Qd1#
      • 1...Rd8
        • 2.Qe2#
        • 2.Qe3#
      • 1...f4
        • 2.Qe2#
        • 2.Qd1#
      • 1...Qh5!
    • 1.Sf4?
      • threat
        • 2.Sg2#
        • 2.Qe2#
      • 1...Qxc6
        • 2.Qe2#
      • 1...Qh5
        • 2.Sg2#
      • 1...g2
        • 2.Sxg2#
        • 2.Qe2#
      • 1...Ra2!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc2#
        • 2.Sf3#
        • 2.Qe2#
      • 1...Qxc6
        • 2.Qe2#
      • 1...Qh5
        • 2.Sc2#
      • 1...Ra2
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • R(e);::QAR1(C)
      • Refutation
        • Q(f);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);XP(D)::QAR1(C)
        • Q(f);::S(B)
      • Refutation
        • R(e);
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • Q(f);XP(D)::QAR1(C)
      • Q(f);::S(B)
      • R(e);::S(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).