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 Medalhustak23981 Norway 2275
Silver Medalmorpy135802 Spain 2201
Bronze Medalstefanp95389 Romania 2112
4Faramir (IM)76959 Argentina 2108
5byakuugan143431 United States 2099
6themaheide (GM)5256 Greece 2062
7LuisPSupi886 Brazil 2052
8aryantari19625 Norway 2050
9Fedex3521 Argentina 2025
10Improchess71248 Spain 2018

16 actions this minute
TacticianCountryRatingProblemRatingTime [s]
XmonkX Poland 1780p21910 16195.8
rfisher1 Canada 1556p44318 15157.9
zwisch Canada 1727p31789 15811.5
Misiu Poland 1491p38021 1641
Leviatanul Romania 1644p53856 187910.8
XmonkX Poland 1781p47438 1681
herb United Kingdom 1450p37599 14813.3
rfisher1 Canada 1555p12878 15414.6
Misiu Poland 1490p34487 13923.9
zwisch Canada 1727p37378 1842
rfisher1 Canada 1554p11060 14961.6
herb United Kingdom 1450p32312 156617.6
Leviatanul Romania 1644p42288 152910.5
Misiu Poland 1489p13255 13445.7
rfisher1 Canada 1556p14698 1443
Leviatanul Romania 1644p48842 16196.6

Welcome !
Latest 24h newbies
LaughingManUnited Nations
IshkevUnited Nations
ermanmUnited Nations
Vantroy0911United Nations
RalhUnited Nations
GmnawawiUnited Nations
fivespiceUnited States
2016-02-05 22:55 CET (GMT +0100)
Chess Tactics Server has served
105,496,985 problems to
80,670 registered tacticians from 143 countries.