Chess Tactics Server

Currently we provide 36,863 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 MedalSergiochess76311 Russian Federation 2115
Silver MedalLuisPSupi6004 Brazil 2101
Bronze MedalFaramir (IM)79179 Argentina 2072
4byakuugan148138 United States 2069
5MrJedi5544 Norway 2052
6gloomy86den25971 United States 2052
7Improchess84288 Spain 2036
8okdokey131 Philippines 2022
9KSMekhitarian10763 Brazil 2021
10LLLLL75522 Hong Kong 2020

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Vespasian United States 1429p07302 1528
latihan United Nations 1670p57890 15967.8
enoughsaid05 France 1753p28303 19093.4
Vespasian United States 1429p03828 14122.7
pipefroide France 1024p32047 137219.8
latihan United Nations 1672p39768 173626.9
enoughsaid05 France 1753p27627 1871
Kitzune United Nations 1264p01526 1461
Vespasian United States 1429p24857 12815.3
enoughsaid05 France 1754p14111 1786
pipefroide France 1024p16486 141537.0
Vespasian United States 1428p15980 13511.5
Vespasian United States 1428p13462 12952.3
Kitzune United Nations 1261p61200 13253.6

Welcome !
Latest 24h newbies
datepalmUnited Nations
rubi2016United Nations
PuchiGodUnited Nations
kansashogUnited Nations
0besePlatypusUnited Nations
mouhurtikUnited Nations
2017-05-22 17:15 CEST (GMT +0200)
Chess Tactics Server has served
109,861,758 problems to
86,153 registered tacticians from 143 countries.