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 Medalhustak22460 Norway 2375
Silver MedalErlendm66666 Norway 2319
Bronze Medalmorpy135406 Spain 2207
4stefanp88440 Romania 2116
5Sergiochess69186 Russian Federation 2113
6byakuugan142665 United States 2102
7Faramir (IM)76187 Argentina 2078
8LuisPSupi781 Brazil 2074
9Soryu75068 Japan 2073
10Gliga5353 Brazil 2064

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
piongogo United Nations 1534p27613 162613.4
MHFlush Germany 1955p44928 17040.8
Oupsss France 1516p49835 14036.9
rafiquiii United Nations 1857p49085 1668
MHFlush Germany 1955p48239 17055.8
piongogo United Nations 1534p64182 203743.5
rafiquiii United Nations 1858p62620 1996
Oupsss France 1515p28829 14114.8
MHFlush Germany 1953p28246 18334.1
joakimvitriol Serbia 1676p28312 15046.1
Oupsss France 1515p45968 13568.3
joakimvitriol Serbia 1676p60561 14566.8
rafiquiii United Nations 1857p31905 17602.7

Welcome !
Latest 24h newbies
ZenThunderUnited States
uwindUnited Nations
gayathri2003United Nations
2015-11-28 13:55 CET (GMT +0100)
Chess Tactics Server has served
104,492,286 problems to
79,763 registered tacticians from 143 countries.