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 Medalhmmm6924 Norway 2400
Bronze MedalErlendm57434 Norway 2307
4mjehehe20585 Norway 2299
5fastkicker12040 France 2223
6morpy134407 Spain 2189
7byakuugan139634 United States 2113
8Faramir (IM)74801 Argentina 2104
9stefanp77461 Romania 2096
10Sergiochess68615 Russian Federation 2092

5 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Hotrats United States 1331p28808 127423.2
elios France 1217p31010 9944.2
giantmongoose United States 1289p20416 12435.0
elios France 1214p06596 14136.6
greatloser Singapore 1384p40397 161915.7

Welcome !
Latest 24h newbies
robchengUnited States
chessrun1United Nations
DralctigUnited Nations
oaguileraUnited Nations
victorhugo412United Nations
victorhugo140United Nations
MAT2005Czech Republic
HoleyFortressUnited Kingdom
rafaell43United Nations
ziadUnited Nations
NikonSouth Africa
tomskyUnited Nations
swampyUnited Nations
2015-07-03 04:35 CEST (GMT +0200)
Chess Tactics Server has served
102,488,866 problems to
78,075 registered tacticians from 143 countries.