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 Medalhustak21584 Norway 2500
Silver Medalhmmm7225 Norway 2432
Bronze MedalErlendm58293 Norway 2283
4mjehehe20925 Norway 2274
5fastkicker12202 France 2229
6morpy134620 Spain 2215
7byakuugan139970 United States 2151
8Faramir (IM)74801 Argentina 2104
9stefanp77479 Romania 2092
10aryantari14273 Norway 2052

5 actions this minute
TacticianCountryRatingProblemRatingTime [s]
LTPNJ United States 1899p29636 16877.5
hanleychess United Nations 1110p64185 1350
LTPNJ United States 1899p07821 17937.2
hanleychess United Nations 1111p59228 1359
LTPNJ United States 1899p22959 17277.3

Welcome !
Latest 24h newbies
kate99United States
goro1000United Nations
Arnold2000United States
jimhallUnited States
youngfischerUnited Nations
drumpetUnited States
2015-07-28 03:20 CEST (GMT +0200)
Chess Tactics Server has served
102,848,444 problems to
78,339 registered tacticians from 143 countries.