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 MedalSergiochess76311 Russian Federation 2115
Silver MedalLuisPSupi6004 Brazil 2101
Bronze Medalbyakuugan148266 United States 2100
4Improchess84551 Spain 2037
5okdokey133 Philippines 2030
6gloomy86den26027 United States 2022
7LLLLL75522 Hong Kong 2020
8alfilazo8100 Peru 2014
9GMat507311 United Kingdom 2009
10blare49 Philippines 2001

2 actions this minute
TacticianCountryRatingProblemRatingTime [s]
fullbocco Japan 1371p50995 15386.1
fullbocco Japan 1372p44519 1423

Welcome !
Latest 24h newbies
snehaprabu123United Nations
abuhashirUnited Nations
AbylKUnited Nations
ivanoskofUnited Nations
pimklaassenUnited Nations
BehnamSarkheilUnited Nations
2017-05-28 08:25 CEST (GMT +0200)
Chess Tactics Server has served
109,896,109 problems to
86,187 registered tacticians from 143 countries.