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 Medalhmmm5724 Norway 2348
Silver Medalhustak20354 Norway 2342
Bronze MedalAkira896 Norway 2265
4fastkicker10068 France 2238
5Erlendm24949 Norway 2210
6Sergiochess65791 Russian Federation 2164
7morpy104630 Spain 2136
8byakuugan130349 United States 2117
9TomsebollJR88 Sweden 2110
10aryantari3123 Norway 2083

7 actions this minute
TacticianCountryRatingProblemRatingTime [s]
EirikEnersen Norway 1421p21269 1669
BssChessMaster Switzerland 1310p54023 142411.6
Zenon14 Norway 1686p38086 1619
EirikEnersen Norway 1420p59027 15709.3
BssChessMaster Switzerland 1307p06988 14265.8
Zenon14 Norway 1685p65064 18624.4
Zenon14 Norway 1685p29426 171513.5

Welcome !
Latest 24h newbies
MooshuporkUnited Nations
shinwooUnited Nations
gertjan1996United Nations
france412United States
kralUnited Nations
alex1390United Nations
simchankUnited Nations
2014-07-24 10:40 CEST (GMT +0200)
Chess Tactics Server has served
96,514,082 problems to
73,054 registered tacticians from 143 countries.