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 Medalhustak20391 Norway 2337
Silver Medallarso1000 Norway 2301
Bronze Medalfastkicker10771 France 2222
4Erlendm28786 Norway 2212
5Sergiochess66264 Russian Federation 2171
6morpy105722 Spain 2078
7byakuugan130936 United States 2077
8aryantari4566 Norway 2067
9MrJedi3377 Norway 2039
10tzzzzz2329 Armenia 2036

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Urszan Portugal 978p57282 129226.0
rfisher1 Canada 1577p62534 15493.8
arakira France 1734p04239 173623.2
luca61 Italy 1799p00791 1816
bartbart Czech Republic 1250p44795 148828.2
luca61 Italy 1801p29630 1716
picino United Nations 1455p25205 14799.0
rfisher1 Canada 1577p24511 1656
Urszan Portugal 975p30774 8102.7
bartbart Czech Republic 1243p15288 14129.5
Magentus Serbia 1371p31523 1559
rfisher1 Canada 1576p43089 15743.0
arakira France 1734p24280 174812.1

Welcome !
Latest 24h newbies
akidproUnited Nations
SonicRPikaUnited Kingdom
Simone92United Nations
paintbrushhuffUnited States
barcelona12United Nations
cesarinho06Costa Rica
jcohen4667United Nations
FelixthecatxyzUnited Nations
zawchessmanUnited States
cmaxinyuwUnited Nations
tal123456789United Nations
2014-09-03 01:55 CEST (GMT +0200)
Chess Tactics Server has served
97,327,748 problems to
73,775 registered tacticians from 143 countries.