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 MedalErlendm33749 Norway 2204
Silver Medalfastkicker11445 France 2196
Bronze MedalSergiochess66695 Russian Federation 2158
4morpy108786 Spain 2117
5pannkaka5076 Sweden 2110
6byakuugan131557 United States 2104
7stefanp70956 Romania 2090
8tzzzzz2443 Armenia 2029
9Pumuckl128232 Germany 2020
10Aaron24177 United States 2020

8 actions this minute
TacticianCountryRatingProblemRatingTime [s]
orobas United Nations 1554p46519 15604.7
LowScore Germany 1594p47588 16815.4
Telkom12 South Africa 1461p35893 161723.7
orobas United Nations 1553p12678 172212.4
dave43ish United Kingdom 1641p17889 1716
LowScore Germany 1596p15018 1632
Telkom12 South Africa 1461p06295 159611.2
dave43ish United Kingdom 1643p46685 1657

Welcome !
Latest 24h newbies
ipoelUnited Nations
ceejunior301United States
tolliverchessUnited Nations
shankskUnited States
silatwarriorUnited Nations
miguelangel39United Nations
dsjoergUnited Nations
jjtimeUnited States
2014-10-31 09:35 CET (GMT +0100)
Chess Tactics Server has served
98,412,273 problems to
74,684 registered tacticians from 143 countries.