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 Medalhustak18086 Norway 2240
Silver Medalhmmm4874 Norway 2240
Bronze Medalfastkicker9419 France 2213
4Sergiochess64551 Russian Federation 2147
5larso101 Norway 2116
6byakuugan127613 United States 2097
7pannkaka4614 Sweden 2076
8Erlendm12770 Norway 2070
9Soryu74309 Japan 2034
10aryantari1254 Norway 2032

9 actions this minute
TacticianCountryRatingProblemRatingTime [s]
psm7 Netherlands 1233p00797 1223
Asowi United Nations 1288p01522 171046.1
thomas123456 Taiwan 1162p42004 10432.7
fritz7777 United States 1272p26094 1140
thomas123456 Taiwan 1156p33634 13598.9
fritz7777 United States 1267p22861 12913.8
wargasm Sweden 1954p33063 16741.2
fritz7777 United States 1264p01719 14679.2
psm7 Netherlands 1233p13299 11287.6

Welcome !
Latest 24h newbies
agentcoopsUnited Nations
081082United Nations
silverfoxUnited Nations
NComparatoUnited Nations
eugenius1United Nations
mrbasariUnited Nations
K4A2Y0AUnited States
paintrain56United States
BambangUnited Nations
leonbatailleUnited Nations
chesschess123United Nations
Fischerfan10United Nations
thomas12345United Nations
2014-04-23 15:35 CEST (GMT +0200)
Chess Tactics Server has served
94,597,315 problems to
71,729 registered tacticians from 143 countries.