Chess Tactics Server

Currently we provide 36,869 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 Medallarso1000 Norway 2301
Silver Medalfastkicker11145 France 2185
Bronze MedalErlendm29773 Norway 2173
4Sergiochess66620 Russian Federation 2156
5byakuugan131070 United States 2133
6Faramir (IM)73981 Argentina 2105
7Fedex2862 Argentina 2100
8tzzzzz2342 Armenia 2069
9morpy106006 Spain 2055
10stefanp70945 Romania 2037

7 actions this minute
TacticianCountryRatingProblemRatingTime [s]
madtv218 Canada 1621p43373 1777
Bottledwater Canada 1179p13318 1194
madtv218 Canada 1620p33371 15762.2
Bottledwater Canada 1178p29559 12829.3
madtv218 Canada 1619p61889 178611.1
Bottledwater Canada 1179p32017 1446
madtv218 Canada 1619p51992 172214.3

Welcome !
Latest 24h newbies
ikeaUnited Nations
pichichiUnited Nations
Dboy9486United States
ImaGummyBearUnited States
olivierchecUnited Nations
LUIS25United Nations
malavantir1United Nations
2014-09-15 06:20 CEST (GMT +0200)
Chess Tactics Server has served
97,553,286 problems to
73,966 registered tacticians from 143 countries.