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 MedalErlendm68182 Norway 2245
Silver Medalbyakuugan146520 United States 2142
Bronze MedalLuisPSupi4210 Brazil 2123
4Sergiochess72578 Russian Federation 2114
5Improchess81091 Spain 2096
6morpy135922 Spain 2080
7tzzzzz2756 Armenia 2031
8LLLLL63217 Hong Kong 2025
9Soryu75916 Japan 2003
10Money2790 United Nations 1992

3 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Vespasian United States 1307p05059 10977.0
Vespasian United States 1307p02750 1432
Vespasian United States 1307p43468 14567.0

Welcome !
Latest 24h newbies
Harinii1691United Nations
camilavelinoUnited Nations
pravarUnited Nations
ako1983United Nations
2016-09-28 01:55 CEST (GMT +0200)
Chess Tactics Server has served
107,860,228 problems to
83,343 registered tacticians from 143 countries.