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 Medalhustak23981 Norway 2275
Silver Medalmorpy135802 Spain 2201
Bronze Medalstefanp95416 Romania 2127
4aryantari19788 Norway 2125
5Faramir (IM)76959 Argentina 2108
6LuisPSupi916 Brazil 2103
7byakuugan143461 United States 2090
8themaheide (GM)5256 Greece 2062
9Improchess71360 Spain 2030
10Fedex3521 Argentina 2025

8 actions this minute
TacticianCountryRatingProblemRatingTime [s]
icke Germany 1662p39166 180117.6
Macheath United Nations 1638p09937 1914
GMat50 United Kingdom 1987p58236 2138
wzwzwz United Nations 1580p05560 158411.5
icke Germany 1662p60780 183011.9
GMat50 United Kingdom 1985p51150 17842.5
Macheath United Nations 1635p32662 18588.3
GMat50 United Kingdom 1983p26838 19413.7

Welcome !
Latest 24h newbies
wzwzwzUnited Nations
patel121United Nations
emorUnited Nations
MitchfitzUnited Nations
ww64United Nations
Miniame1United Nations
mcgroovinUnited Nations
KingTraderUnited Nations
monfrere4United Nations
2016-02-12 13:05 CET (GMT +0100)
Chess Tactics Server has served
105,590,301 problems to
80,750 registered tacticians from 143 countries.