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 MedalErlendm69125 Norway 2359
Silver MedalFaramir (IM)78768 Argentina 2100
Bronze MedalLuisPSupi5716 Brazil 2082
4byakuugan147420 United States 2057
5Improchess83324 Spain 2053
6LLLLL71404 Hong Kong 2015
7Kronos (IM)1758 Brazil 2010
8gloomy86den25740 United States 2001
9farenh74 Philippines 2000
10GMat506745 United Kingdom 1994

1 actions this minute
TacticianCountryRatingProblemRatingTime [s]
latihan United Nations 1658p48622 1789

Welcome !
Latest 24h newbies
cGzsoCcMJOYExoUnited Nations
JoaoVitorUnited Nations
MushrooomzUnited Nations
vukschUnited Nations
2017-03-23 11:10 CET (GMT +0100)
Chess Tactics Server has served
109,477,087 problems to
85,645 registered tacticians from 143 countries.