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 Medallarso1000 Norway 2301
Silver MedalErlendm30063 Norway 2214
Bronze Medalfastkicker11290 France 2173
4Sergiochess66620 Russian Federation 2156
5byakuugan131239 United States 2132
6Faramir (IM)74178 Argentina 2114
7Fedex2862 Argentina 2100
8Aaron24055 United States 2060
9morpy106006 Spain 2055
10stefanp70945 Romania 2037

10 actions this minute
TacticianCountryRatingProblemRatingTime [s]
latingirl United Nations 1854p34508 19017.7
jokanovic Serbia 1529p35844 1784
joubs United States 1227p57826 1811
latingirl United Nations 1850p48008 16821.8
jokanovic Serbia 1528p54548 165314.5
c4m3 United States 1307p32958 112213.1
latingirl United Nations 1854p51275 15919.5
silvio Peru 1632p63780 1743
jokanovic Serbia 1530p36294 1683
latingirl United Nations 1859p48400 1878

Welcome !
Latest 24h newbies
gzyydyijfayUnited Nations
eth3realUnited States
LUCASRUnited Nations
CitricusUnited Nations
2014-09-23 00:35 CEST (GMT +0200)
Chess Tactics Server has served
97,689,354 problems to
74,080 registered tacticians from 143 countries.