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 Medalhustak20391 Norway 2337
Silver MedalErlendm28214 Norway 2224
Bronze Medallarso885 Norway 2220
4fastkicker10679 France 2216
5Sergiochess66264 Russian Federation 2171
6morpy105705 Spain 2121
7aryantari4391 Norway 2100
8byakuugan130930 United States 2094
9tomseboll54834 Sweden 2062
10Lazarillo192 United States 2056

19 actions this minute
TacticianCountryRatingProblemRatingTime [s]
MHFlush Germany 1898p18902 17032.8
Skewbrow Finland 1395p00303 144211.9
bismarkk Japan 1494p11340 14434.7
Fabeli United Nations 1226p52535 112724.5
haraldmikalsen Norway 1697p21010 16463.9
MHFlush Germany 1899p08144 177810.4
bismarkk Japan 1502p38084 155926.3
mnostrant United States 1435p49714 12512.9
eivam Colombia 1314p58681 13564.4
eidechse Germany 1744p04559 16803.0
haraldmikalsen Norway 1699p15434 1861
Skewbrow Finland 1395p09833 14146.3
mnostrant United States 1435p06998 13387.4
Fabeli United Nations 1227p59026 134239.1
eidechse Germany 1745p61831 171611.4
MHFlush Germany 1898p63421 18327.3
eivam Colombia 1313p54353 11692.2
Skewbrow Finland 1394p31389 14913.9
bismarkk Japan 1508p34804 166028.5

Welcome !
Latest 24h newbies
komeraUnited Nations
jlkane1960United Nations
german5United Nations
BerbenaUnited Nations
keanuReaverUnited States
pipesharpUnited States
juma1001United Nations
2014-08-30 14:45 CEST (GMT +0200)
Chess Tactics Server has served
97,260,055 problems to
73,712 registered tacticians from 143 countries.