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 Medalhustak25406 Norway 2323
Silver Medalfastkicker12452 France 2305
Bronze MedalFaramir (IM)77632 Argentina 2114
4byakuugan145677 United States 2089
5LuisPSupi3000 Brazil 2076
6Soryu75652 Japan 2064
7aryantari20882 Norway 2038
8LLLLL57159 Hong Kong 2025
9Improchess72181 Spain 2015
10Fedex3626 Argentina 2000

1 actions this minute
TacticianCountryRatingProblemRatingTime [s]
werewolf Russian Federation 1857p59241 190136.6

Welcome !
Latest 24h newbies
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2016-05-25 10:55 CEST (GMT +0200)
Chess Tactics Server has served
106,613,998 problems to
81,785 registered tacticians from 143 countries.