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 Medalbyakuugan148349 United States 2128
Silver MedalSergiochess76311 Russian Federation 2115
Bronze MedalImprochess85184 Spain 2103
4Faramir (IM)79286 Argentina 2102
5LuisPSupi6061 Brazil 2097
6inflate53 Philippines 2067
7KSMekhitarian11056 Brazil 2034
8alfilazo8100 Peru 2014
9Asterix19636 Norway 2013
10ealwijo139 Philippines 2006

4 actions this minute
TacticianCountryRatingProblemRatingTime [s]
goldenrule South Africa 1884p36216 2165
daniele80 Italy 1468p11102 144115.9
daniele80 Italy 1465p42778 13923.9
daniele80 Italy 1467p63585 145720.4

Welcome !
Latest 24h newbies
twocatsfishingUnited Nations
vungtauchessUnited Nations
linkinparkUnited Nations
PilavYogurtUnited Nations
gv8128United Nations
2017-06-26 17:25 CEST (GMT +0200)
Chess Tactics Server has served
110,049,719 problems to
86,398 registered tacticians from 143 countries.