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 MedalErlendm76044 Norway 2202
Silver MedalSergiochess78176 Russian Federation 2104
Bronze Medalentranse83 Philippines 2098
4byakuugan149032 United States 2097
5Faramir (IM)79730 Argentina 2080
6kleate124 Philippines 2073
7blueeyed9611 Israel 2071
8LuisPSupi6921 Brazil 2060
9pannkaka5491 Sweden 2058
10anemas59 United Nations 2053

1 actions this minute
TacticianCountryRatingProblemRatingTime [s]
leblitzer France 1376p47651 1245

Welcome !
Latest 24h newbies
ThesadhatUnited Nations
KarateMikeUnited States
bappyUnited Nations
kudo8366Republic of Korea
moorthyarjunUnited States
2017-11-20 20:15 CET (GMT +0100)
Chess Tactics Server has served
111,134,833 problems to
88,253 registered tacticians from 143 countries.