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 Medalhmmm7312 Norway 2448
Silver MedalErlendm58566 Norway 2284
Bronze Medalmjehehe20925 Norway 2274
4fastkicker12202 France 2229
5morpy134620 Spain 2215
6byakuugan140081 United States 2163
7Faramir (IM)75157 Argentina 2120
8stefanp77484 Romania 2106
9Fedex3268 Argentina 2103
10Improchess67371 Spain 2083

11 actions this minute
TacticianCountryRatingProblemRatingTime [s]
a1t19 United Nations 1957p20137 18047.1
ishanvannadil United Nations 1298p07208 1172
Zeelst Netherlands 1607p18488 1757
Improchess Spain 2083p24211 15931.5
rafaell43 United Nations 1174p52226 142231.3
saettina Italy 1246p43309 11713.6
Improchess Spain 2083p64494 16103.6
ishanvannadil United Nations 1299p56116 1491
Improchess Spain 2083p06101 20808.9
Zeelst Netherlands 1611p00874 1589
rafaell43 United Nations 1171p45829 11816.8

Welcome !
Latest 24h newbies
tlotbUnited Nations
benvy2015United Nations
bennetUnited Nations
PhuahYewUnited Nations
ZhengYewUnited Nations
GandalftheGreyUnited Nations
hilalUnited Nations
RuyessUnited Nations
YepithUnited Nations
wickknightUnited States
fuzzbugUnited States
2015-08-04 19:50 CEST (GMT +0200)
Chess Tactics Server has served
102,959,710 problems to
78,408 registered tacticians from 143 countries.