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
7Erlendm12882 Norway 2081
8pannkaka4614 Sweden 2076
9Soryu74309 Japan 2034
10aryantari1254 Norway 2032

10 actions this minute
TacticianCountryRatingProblemRatingTime [s]
AxelBoldt Germany 1483p39808 145610.6
jupiter4100 Brazil 1381p53021 1429
Theofrast United Nations 1453p34211 15403.9
ididntdoit United Nations 1630p32212 164421.4
shanr12 United States 1413p51337 1430
vititorico United Nations 1756p50626 2034
AxelBoldt Germany 1481p38230 152610.9
jupiter4100 Brazil 1380p01842 151711.7
Theofrast United Nations 1454p43606 1421
shanr12 United States 1415p39738 1434

Welcome !
Latest 24h newbies
arturleonUnited Nations
universalbeatUnited States
roligareNew Zealand
ILPCUnited States
agentcoopsUnited Nations
081082United Nations
silverfoxUnited Nations
NComparatoUnited Nations
2014-04-24 02:55 CEST (GMT +0200)
Chess Tactics Server has served
94,609,561 problems to
71,735 registered tacticians from 143 countries.