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 MedalErlendm33284 Norway 2258
Silver Medalfastkicker11445 France 2196
Bronze MedalSergiochess66695 Russian Federation 2158
4morpy107937 Spain 2143
5Faramir (IM)74178 Argentina 2114
6pannkaka5076 Sweden 2110
7byakuugan131448 United States 2104
8stefanp70953 Romania 2067
9tzzzzz2443 Armenia 2029
10Fedex2946 Argentina 2011

15 actions this minute
TacticianCountryRatingProblemRatingTime [s]
fluffytail United States 1152p27861 1356
IAMBatman United Kingdom 1287p21668 11645.8
androfont Cuba 1446p16484 14683.4
silvio Peru 1676p57992 1606
QuickFire United Kingdom 1654p37365 1780
androfont Cuba 1445p39914 14201.1
fluffytail United States 1153p18158 1405
silvio Peru 1674p51933 15982.6
androfont Cuba 1445p30796 12857.2
fluffytail United States 1152p63969 11515.8
QuickFire United Kingdom 1652p52589 16111.8
silvio Peru 1674p27151 15476.0
androfont Cuba 1445p55897 140710.7
QuickFire United Kingdom 1650p49951 15304.6
fluffytail United States 1152p47587 144418.0

Welcome !
Latest 24h newbies
HandsonUnited Nations
mrte7ojoUnited Nations
EduardoCMUnited Nations
FitzoUnited Nations
2014-10-24 20:20 CEST (GMT +0200)
Chess Tactics Server has served
98,288,347 problems to
74,564 registered tacticians from 143 countries.