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 Medalhustak25763 Norway 2343
Silver Medalfastkicker12487 France 2257
Bronze MedalErlendm66931 Norway 2209
4Sergiochess69900 Russian Federation 2101
5byakuugan146170 United States 2100
6Faramir (IM)77891 Argentina 2089
7aryantari21184 Norway 2080
8LuisPSupi3612 Brazil 2042
9Improchess73344 Spain 2034
10Aaron24770 United States 2029

9 actions this minute
TacticianCountryRatingProblemRatingTime [s]
fankle Antarctica 1493p37889 14075.6
sam8493 United Nations 1625p04173 1810
Vitruvio Spain 1360p55683 1543
kb83 United Nations 1208p61466 155513.0
fankle Antarctica 1495p16546 139314.1
masterboard Colombia 1461p33238 161914.4
Vitruvio Spain 1360p02566 12459.0
ivanjose Mexico 1160p26187 1273
Vitruvio Spain 1360p26073 13635.2

Welcome !
Latest 24h newbies
RachidUnited Nations
slidingUnited Nations
betterthanu55United Nations
NinjaTurtleUnited Nations
matuspabloUnited Nations
WinssaxUnited Nations
AlejandroNG20United Nations
MiguelAl1982United Nations
geeram37United Nations
snmhcpUnited Nations
oc1paddlerUnited Nations
v270616vUnited Nations
x270616xUnited Nations
loveoflesbian2United Nations
loveoflesbianUnited Nations
2016-06-28 22:20 CEST (GMT +0200)
Chess Tactics Server has served
106,966,294 problems to
82,181 registered tacticians from 143 countries.