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 MedalErlendm33219 Norway 2258
Silver Medalfastkicker11445 France 2196
Bronze MedalSergiochess66695 Russian Federation 2158
4morpy107937 Spain 2143
5Faramir (IM)74178 Argentina 2114
6pannkaka5076 Sweden 2110
7byakuugan131448 United States 2104
8stefanp70953 Romania 2067
9tzzzzz2443 Armenia 2029
10Fedex2946 Argentina 2011

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
hanswurst Germany 1521p60632 14020.8
Urgenz Germany 1785p23945 12671.5
blackice United Nations 1719p16763 17884.7
hanswurst Germany 1523p47636 159929.3
Charlie Netherlands 1546p05224 1352
Urgenz Germany 1785p22841 13471.9
Urgenz Germany 1785p58930 12111.0
Charlie Netherlands 1546p25716 14849.6
blackice United Nations 1725p43914 1642
orobas United Nations 1467p56603 160817.8
Urgenz Germany 1785p23988 13303.7
Charlie Netherlands 1545p34344 14243.2
blackice United Nations 1722p60866 15643.0
hanswurst Germany 1521p54397 16406.8

Welcome !
Latest 24h newbies
mrte7ojoUnited Nations
EduardoCMUnited Nations
FitzoUnited Nations
PrinceofChinaUnited States
salaryhoersUnited Nations
kennypowers1United States
spooiUnited Nations
LuLiGaUnited Nations
PiffsonUnited Nations
2014-10-24 09:20 CEST (GMT +0200)
Chess Tactics Server has served
98,278,060 problems to
74,558 registered tacticians from 143 countries.