Chess Tactics Server

Currently we provide 36,868 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 Medalhustak21921 Norway 2548
Silver Medalhmmm8355 Norway 2458
Bronze MedalErlendm60157 Norway 2336
4fastkicker12276 France 2200
5morpy134799 Spain 2166
6Fedex3285 Argentina 2131
7Faramir (IM)75157 Argentina 2120
8Lazarillo2905 United States 2111
9byakuugan140718 United States 2082
10aryantari14845 Norway 2079

15 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Pleci Ireland 1684p61950 1580
wargasm Sweden 1996p06494 18860.6
brainstorm Argentina 1610p10428 16067.9
Pleci Ireland 1687p12544 1632
ciedan Germany 1558p20928 169822.0
Mijamoto Czech Republic 1624p08997 173913.7
wargasm Sweden 1995p41197 18570.8
aware Russian Federation 1189p41241 134270.5
wargasm Sweden 1994p55728 16971.6
Pleci Ireland 1685p17611 15652.1
primo704 Belgium 1584p41166 1680
brainstorm Argentina 1611p31373 173920.5
wargasm Sweden 1994p06189 16421.0
ciedan Germany 1558p22426 14589.6
Pleci Ireland 1683p39505 17926.6

Welcome !
Latest 24h newbies
gauravsinghUnited Nations
clement06United Nations
clementUnited Nations
JyRrCzech Republic
Konnu11United Nations
vader95United States
MatiLopezRUnited Nations
2015-08-31 00:25 CEST (GMT +0200)
Chess Tactics Server has served
103,293,047 problems to
78,683 registered tacticians from 143 countries.