Chess Tactics Server

Currently we provide 36,868 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 Medalhustak21921 Norway 2548
Silver Medalhmmm8355 Norway 2458
Bronze MedalErlendm60157 Norway 2336
4fastkicker12276 France 2200
5morpy134799 Spain 2166
6stefanp77501 Romania 2161
7Fedex3285 Argentina 2131
8Faramir (IM)75157 Argentina 2120
9Lazarillo2905 United States 2111
10byakuugan140693 United States 2082

4 actions this minute
TacticianCountryRatingProblemRatingTime [s]
ididntdoit United Nations 1672p28527 160819.2
asiertrapella United Nations 1087p00144 122716.7
Hammer Germany 1629p33626 1581
asiertrapella United Nations 1091p59244 1228

Welcome !
Latest 24h newbies
JohnGreenUnited States
Veggi30United Nations
kausikaUnited Nations
showersUnited Nations
casualplayUnited States
2015-08-29 22:50 CEST (GMT +0200)
Chess Tactics Server has served
103,280,683 problems to
78,676 registered tacticians from 143 countries.