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 Medalhustak21584 Norway 2500
Silver Medalhmmm6924 Norway 2400
Bronze MedalErlendm57434 Norway 2307
4mjehehe20585 Norway 2299
5fastkicker12112 France 2238
6morpy134450 Spain 2163
7byakuugan139672 United States 2121
8Faramir (IM)74801 Argentina 2104
9stefanp77461 Romania 2096
10Sergiochess68615 Russian Federation 2092

2 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Henry2 United Kingdom 1407p02906 1434
Maheini Finland 1229p09988 1482

Welcome !
Latest 24h newbies
CHESSHVUnited Nations
gamuzaUnited States
armbahrUnited States
yoshibishopUnited States
2015-07-07 15:10 CEST (GMT +0200)
Chess Tactics Server has served
102,547,656 problems to
78,130 registered tacticians from 143 countries.