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 Medalhmmm9922 Norway 2301
Silver MedalErlendm75239 Norway 2253
Bronze MedalLuisPSupi6788 Brazil 2108
4byakuugan148854 United States 2104
5Sergiochess78048 Russian Federation 2075
6climate1994 Philippines 2070
7tzzzzz3149 Armenia 2055
8Improchess89479 Spain 2047
9valetguy201 Philippines 2034
10MrJedi5754 Norway 2029

9 actions this minute
TacticianCountryRatingProblemRatingTime [s]
sam8493 United Nations 1641p36341 154912.7
pleasing United Nations 1500p15403 17012.6
kingmewing1 Antarctica 1500p30610 13454.6
royb United Nations 1708p05315 1545
kingmewing1 Antarctica 1499p27563 12633.4
sam8493 United Nations 1641p17431 16138.7
royb United Nations 1709p41125 173619.6
kingmewing1 Antarctica 1501p51825 145121.3
royb United Nations 1711p10835 171919.1

Welcome !
Latest 24h newbies
pleasingUnited Nations
renkydankUnited Nations
flatrareUnited Nations
asheneUnited Nations
creakitUnited Nations
ambrelaUnited Nations
thaterUnited Nations
baloneUnited Nations
ervanUnited Nations
faelinnUnited Nations
nawsieUnited Nations
dawdlerUnited Nations
docaneUnited Nations
balcherUnited Nations
Rookie1312United Nations
LacTact1and2United Nations
LacTact1and1United Nations
PochaUnited Nations
vedserUnited Nations
handieUnited Nations
steamtrUnited Nations
himaanUnited Nations
TalgeniusUnited Nations
SorjonUnited States
samforce12United Nations
2017-10-18 09:10 CEST (GMT +0200)
Chess Tactics Server has served
110,918,175 problems to
87,966 registered tacticians from 143 countries.