Chess Tactics Server

Currently we provide 36,863 tactical chess problems ranging in difficulty from trivial to ambitious. Your tactical performance will be measured by the Glicko rating system wich takes into account both the difficulty of each problem and the time you take to solve it.

You can sign in as guest completely anonymous to get familiar with the chess board interface, browse some problems or just look around. You just need a valid email address to register and join our community.

 Guía de utilización en Español by GM ICCF Roberto Alvarez

This is a non-commercial service created and supported by chess enthusiasts from our chess club in Berlin, Germany. It is still under construction. Everyone is invited to participate in its development. Please don't use your skills to attack this server, but to detect and remove possible exploits.


Top 10 active tacticians
Gold Medalhustak25763 Norway 2343
Silver Medalfastkicker12492 France 2265
Bronze MedalErlendm66931 Norway 2209
4Sergiochess69900 Russian Federation 2101
5byakuugan146170 United States 2100
6Faramir (IM)77891 Argentina 2089
7aryantari21184 Norway 2080
8LuisPSupi3612 Brazil 2042
9Improchess73344 Spain 2034
10Aaron24770 United States 2029

6 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Pobeli United States 1246p15870 1388
hound Australia 1460p56959 147110.1
anonym United States 1196p00966 108713.2
hound Australia 1459p48793 15186.7
anonym United States 1193p61942 11401.8
anonym United States 1194p04615 1431

Welcome !
Latest 24h newbies
escorpion29United Nations
fmbrianUnited Nations
MaestropeadoUnited Nations
stinky1United Nations
KaijuUnited Nations
elmer1United Nations
agelarUnited Nations
RockaroundUnited Nations
dodaaUnited Nations
2016-06-30 07:00 CEST (GMT +0200)
Chess Tactics Server has served
106,979,624 problems to
82,194 registered tacticians from 143 countries.