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 MedalErlendm52291 Norway 2293
Silver Medalmorpy131702 Spain 2265
Bronze Medalfastkicker11756 France 2187
4byakuugan136674 United States 2134
5tomseboll55220 Sweden 2130
6Lazarillo2522 United States 2119
7stefanp76089 Romania 2098
8Sergiochess68582 Russian Federation 2085
9bogdanovich2014 Romania 2053
10themaheide (GM)4857 Greece 2039

6 actions this minute
TacticianCountryRatingProblemRatingTime [s]
LaFayette France 1318p45055 1388
danieln United States 1534p42922 14886.0
beachbum Philippines 1533p38671 1658
danieln United States 1535p12126 1607
LaFayette France 1319p40650 141915.8
danieln United States 1536p05981 1649

Welcome !
Latest 24h newbies
FeverdogUnited Nations
nvielUnited Nations
UrsaMajorUnited Nations
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2015-03-29 03:00 CEST (GMT +0200)
Chess Tactics Server has served
101,034,588 problems to
76,902 registered tacticians from 143 countries.