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 MedalErlendm69038 Norway 2301
Silver Medalaryantari21385 Norway 2105
Bronze Medalbyakuugan147204 United States 2104
4LuisPSupi5494 Brazil 2103
5LLLLL70614 Hong Kong 2040
6gloomy86den25343 United States 2008
7farenh59 Philippines 2002
8Improchess82543 Spain 2001
9KSMekhitarian9151 Brazil 1995
10fastest73210 Chile 1988

5 actions this minute
TacticianCountryRatingProblemRatingTime [s]
enoughsaid05 France 1759p37130 1945
egilarne Norway 1442p64161 136311.6
enoughsaid05 France 1758p49952 17475.8
enoughsaid05 France 1757p61572 17310.7
egilarne Norway 1443p02530 12487.6

Welcome !
Latest 24h newbies
AgentTomatoUnited Nations
ddttllUnited Nations
nXmZswUBKhUnited Nations
miraclechessUnited Nations
gresh12United Nations
sabtactUnited Nations
oj72United Nations
jZJSEIdEAAHrZnUnited Nations
rema1000United Nations
eva1United Nations
2017-02-27 23:40 CET (GMT +0100)
Chess Tactics Server has served
109,270,551 problems to
85,383 registered tacticians from 143 countries.