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
4morpy108892 Spain 2135
5byakuugan131635 United States 2121
6pannkaka5076 Sweden 2110
7stefanp70956 Romania 2090
8tzzzzz2443 Armenia 2029
9Pumuckl128300 Germany 2016
10Aaron24182 United States 2013

12 actions this minute
TacticianCountryRatingProblemRatingTime [s]
danieln United States 1506p46643 13723.8
newpro United States 1461p06478 1564
sam8493 United Nations 1615p47757 182913.5
Beard United Kingdom 1070p64835 12725.5
mnostrant United States 1473p22300 138329.9
Boboson United Nations 1496p18263 154312.0
danieln United States 1506p35207 156813.6
Beard United Kingdom 1082p00531 112544.9
sam8493 United Nations 1615p59834 182231.6
ivanvip1 United States 1395p42198 154526.8
Boboson United Nations 1498p21195 1444
mnostrant United States 1470p46366 15466.5

Welcome !
Latest 24h newbies
toddrewUnited Nations
philippUnited Nations
cacchilenUnited Kingdom
MatrixDragonUnited States
maticusw265482United Kingdom
MaxTheFaxUnited States
gsvejoeUnited Nations
zarywellaUnited Nations
aleksey9230Russian Federation
ipoelUnited Nations
ceejunior301United States
tolliverchessUnited Nations
shankskUnited States
silatwarriorUnited Nations
2014-11-01 02:15 CET (GMT +0100)
Chess Tactics Server has served
98,427,750 problems to
74,699 registered tacticians from 143 countries.