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 Medalhmmm9306 Norway 2362
Silver MedalErlendm70996 Norway 2250
Bronze MedalSergiochess77708 Russian Federation 2143
4LuisPSupi6216 Brazil 2135
5byakuugan148640 United States 2129
6Faramir (IM)79619 Argentina 2126
7qeggar31 Philippines 2081
8blueeyed9120 Israel 2067
9Improchess88268 Spain 2050
10Fedex3861 Argentina 2050

2 actions this minute
TacticianCountryRatingProblemRatingTime [s]
kerofnewbattle Germany 1537p09779 1636
kerofnewbattle Germany 1534p53535 16417.8

Welcome !
Latest 24h newbies
jonjonchessUnited Nations
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2017-08-22 01:25 CEST (GMT +0200)
Chess Tactics Server has served
110,486,822 problems to
87,078 registered tacticians from 143 countries.