Chess Tactics Server

Currently we provide 36,868 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 Medalhustak20865 Norway 2380
Silver MedalErlendm56000 Norway 2315
Bronze Medalmjehehe12685 Norway 2280
4morpy133248 Spain 2218
5fastkicker11958 France 2217
6hmmm6525 Norway 2169
7Lazarillo2671 United States 2138
8aryantari12718 Norway 2128
9byakuugan138275 United States 2125
10stefanp77443 Romania 2081

10 actions this minute
TacticianCountryRatingProblemRatingTime [s]
XBOND Brazil 1418p54581 14145.5
dbdnme Japan 1544p08712 162515.4
analitas United Nations 1001p64361 1410
XBOND Brazil 1417p12049 15067.7
kaypi United Nations 1183p10946 1678550.9
dbdnme Japan 1545p04240 137711.1
pawnstorm United States 1285p27937 154514.9
XBOND Brazil 1416p49968 14225.1
analitas United Nations 1002p16792 1060
pawnstorm United States 1284p34886 161121.7

Welcome !
Latest 24h newbies
3562United Nations
TomsvgUnited Nations
RayHaylesUnited Nations
Meto001122South Africa
dawidosik213United Nations
2015-05-27 05:25 CEST (GMT +0200)
Chess Tactics Server has served
101,969,949 problems to
77,637 registered tacticians from 143 countries.