Chess Tactics Server

Currently we provide 36,863 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 MedalErlendm67913 Norway 2235
Silver MedalSergiochess71851 Russian Federation 2169
Bronze Medalbyakuugan146473 United States 2128
4Faramir (IM)78357 Argentina 2100
5morpy135883 Spain 2096
6Improchess78849 Spain 2075
7Aaron24796 United States 2044
8LuisPSupi3904 Brazil 2035
9aryantari21356 Norway 2034
10kuba33129 Czech Republic 2032

9 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Vespasian United States 1262p28257 1311
egilarne Norway 1464p30942 16383.4
Marietje Netherlands 1327p15177 13843.5
kingmewing1 Antarctica 1509p20372 14254.8
Marietje Netherlands 1328p03229 1471
kingmewing1 Antarctica 1509p05136 9412.4
kingmewing1 Antarctica 1509p64617 13805.1
egilarne Norway 1466p59010 1359
Vespasian United States 1262p11990 1273

Welcome !
Latest 24h newbies
gabriel80546United Nations
flapper83United Nations
dreadno2United Nations
cream41United Nations
AthalsteinnUnited Nations
bodrijar123United Nations
itchedUnited Nations
GrettirUnited Nations
hoppedUnited Nations
FlatBradUnited Nations
deneb0United Nations
KFerapontUnited Nations
EduardoEdwardUnited Nations
AnonimatekingUnited Nations
samuel01United Nations
sumdumguy12001United Nations
awkawkUnited Nations
2016-08-24 23:25 CEST (GMT +0200)
Chess Tactics Server has served
107,560,498 problems to
82,907 registered tacticians from 143 countries.