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
6byakuugan127627 United States 2102
7Erlendm12882 Norway 2081
8pannkaka4614 Sweden 2076
9Soryu74309 Japan 2034
10aryantari1254 Norway 2032

9 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Hexalingual United States 1416p55070 154512.5
ericovski Spain 1857p23111 18967.5
JeffD Switzerland 1345p16414 13902.6
JeffD Switzerland 1342p19509 13664.7
ericovski Spain 1856p12323 16603.5
ling Denmark 1381p33218 1964
Hexalingual United States 1416p19383 12406.6
JeffD Switzerland 1341p45862 150113.1
Hexalingual United States 1416p62471 151317.8

Welcome !
Latest 24h newbies
syver007United Nations
dcsmith09United States
ongiahuUnited Nations
mate14United Nations
radiorpUnited States
grandsonofali1United Nations
arturleonUnited Nations
universalbeatUnited States
roligareNew Zealand
ILPCUnited States
2014-04-24 14:00 CEST (GMT +0200)
Chess Tactics Server has served
94,616,654 problems to
71,743 registered tacticians from 143 countries.