Chess Tactics Server

Currently we provide 36,868 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 Medalhustak22460 Norway 2375
Silver MedalErlendm66666 Norway 2319
Bronze Medalmorpy135406 Spain 2207
4stefanp88440 Romania 2116
5Sergiochess69186 Russian Federation 2113
6byakuugan142665 United States 2102
7Faramir (IM)76187 Argentina 2078
8LuisPSupi781 Brazil 2074
9Soryu75068 Japan 2073
10Gliga5353 Brazil 2064

12 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Kokosnuss Germany 1484p15392 1893
Earnshaw Brazil 1359p28103 149945.2
164968 United States 1327p51380 1510
piongogo United Nations 1529p53257 16184.0
pjotrg Netherlands 1318p42823 1486
Kolvin51 Russian Federation 1743p31999 17804.9
Kokosnuss Germany 1485p44043 1985
164968 United States 1321p21148 14373.6
Kokosnuss Germany 1487p20347 1963
pjotrg Netherlands 1319p26834 145432.6
stevelco United States 1392p36685 14566.7
Earnshaw Brazil 1365p33073 12478.0

Welcome !
Latest 24h newbies
darshangowdaUnited Nations
reepchieepUnited Nations
CosmoGreenHairUnited Nations
sspsUnited States
chess484United Nations
SACHLASJUnited Nations
2015-11-27 18:10 CET (GMT +0100)
Chess Tactics Server has served
104,480,496 problems to
79,759 registered tacticians from 143 countries.