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 Medalhustak20774 Norway 2401
Silver Medalhmmm6346 Norway 2349
Bronze MedalErlendm49696 Norway 2257
4morpy129874 Spain 2218
5fastkicker11733 France 2186
6byakuugan136024 United States 2140
7Sergiochess68528 Russian Federation 2128
8Lazarillo2522 United States 2119
9stefanp76064 Romania 2103
10aryantari9326 Norway 2071

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
sele001 Japan 1287p39664 133436.2
clifty United States 1523p02565 16357.3
ds343 Bosnia and Herzegovina 1458p17575 152814.5
hound Australia 1421p33081 15015.3
AVikAdoAlle Sweden 2008p37507 18695.5
Adityak United Nations 1040p52234 1431
clifty United States 1523p09528 157610.2
arakira France 1701p35870 16857.2
AVikAdoAlle Sweden 2008p11191 15931.7
hound Australia 1420p02476 14001.7
sele001 Japan 1283p55397 13834.7
Adityak United Nations 1044p45613 100020.1
AVikAdoAlle Sweden 2011p20323 1615

Welcome !
Latest 24h newbies
meninderUnited States
johnlt77United Nations
ChaloupUnited Nations
DersuturkUnited Nations
jenpachevUnited Nations
xenxoUnited Nations
hopfUnited Nations
2015-03-07 05:15 CET (GMT +0100)
Chess Tactics Server has served
100,674,206 problems to
76,607 registered tacticians from 143 countries.