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 MedalErlendm68879 Norway 2319
Silver Medalbyakuugan146970 United States 2153
Bronze MedalLazarillo3431 United States 2123
4LuisPSupi5407 Brazil 2085
5Improchess81994 Spain 2046
6LLLLL68173 Hong Kong 2036
7MrJedi4988 Norway 1989
8dated526 Philippines 1982
9AndyG33421 Norway 1978
10wargasm105655 Sweden 1976

4 actions this minute
TacticianCountryRatingProblemRatingTime [s]
deepankarmukh India 1412p25640 12474.3
latihan United Nations 1657p18521 1664
deepankarmukh India 1412p04484 146617.3
latihan United Nations 1657p49827 16646.3

Welcome !
Latest 24h newbies
michaelsimkinUnited Nations
furrsealUnited Nations
krakenboyUnited Nations
notzaneUnited Nations
Mima1793United States
groggy155United Nations
cgjqVQlFUnited Nations
adi74United Nations
knoxy26United Nations
IrritatedUnited Nations
gtg529United Nations
senlar1295United Nations
2017-01-23 13:30 CET (GMT +0100)
Chess Tactics Server has served
108,973,304 problems to
85,007 registered tacticians from 143 countries.