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 Medalfastkicker12420 France 2291
Silver Medalhustak24983 Norway 2238
Bronze MedalSergiochess69527 Russian Federation 2215
4byakuugan145116 United States 2139
5Faramir (IM)77573 Argentina 2102
6LuisPSupi2567 Brazil 2084
7aryantari20708 Norway 2083
8Soryu75652 Japan 2064
9Fedex3594 Argentina 2022
10AndyG32821 Norway 2005

7 actions this minute
TacticianCountryRatingProblemRatingTime [s]
olympus United States 1562p25909 1504
NikhilP India 1415p57777 12943.8
NikhilP India 1415p62325 12745.3
NikhilP India 1414p53667 12332.7
vhgilesf Mexico 1298p34180 1188
olympus United States 1563p61016 1713110.0
NikhilP India 1415p56249 136525.9

Welcome !
Latest 24h newbies
magicmann2000United Nations
amansadorUnited Nations
GboockUnited Nations
rpoltera14United Nations
jaskoBosnia and Herzegovina
gutochavesUnited Nations
JsPakUnited Nations
JSchess135United Nations
draba00United Nations
markostr24United Nations
markostrUnited Nations
08111989United Nations
MindreyUnited Nations
2016-05-05 02:55 CEST (GMT +0200)
Chess Tactics Server has served
106,421,208 problems to
81,639 registered tacticians from 143 countries.