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 MedalErlendm68812 Norway 2258
Silver MedalSergiochess75788 Russian Federation 2148
Bronze Medalbyakuugan146604 United States 2134
4blueeyed7246 Israel 2072
5LuisPSupi4746 Brazil 2064
6LLLLL65167 Hong Kong 2025
7AndyG33257 Norway 2016
8GMat505164 United Kingdom 2012
9alfilazo8032 Peru 2009
10Improchess81560 Spain 1998

2 actions this minute
TacticianCountryRatingProblemRatingTime [s]
daav Canada 1314p14030 11824.9
daav Canada 1317p11738 150053.4

Welcome !
Latest 24h newbies
syakukaeseUnited Nations
turoloUnited Nations
roadrunner79United Nations
LeoPocciUnited Nations
finvest2005Russian Federation
LivvieUnited States
olivia333United Nations
karaceval91United Nations
SecretSquirrelUnited Nations
emancosUnited Nations
2016-12-11 03:10 CET (GMT +0100)
Chess Tactics Server has served
108,566,199 problems to
84,278 registered tacticians from 143 countries.