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 Medallarso1000 Norway 2301
Silver Medalfastkicker11203 France 2174
Bronze MedalErlendm29773 Norway 2173
4Sergiochess66620 Russian Federation 2156
5byakuugan131088 United States 2132
6Faramir (IM)74178 Argentina 2114
7Fedex2862 Argentina 2100
8morpy106006 Spain 2055
9stefanp70945 Romania 2037
10Aaron24048 United States 2033

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
wojtas Poland 1817p29354 16946.3
phantomfive United States 1440p37551 1634
piongogo United Nations 1488p46814 2068
fluffytail United States 1054p00385 1372
fluffytail United States 1054p56769 1342
phantomfive United States 1442p13639 1597
Carid Canada 1476p53165 1627
wojtas Poland 1816p06324 16906.5
herb United Kingdom 1387p23020 139312.8
Carid Canada 1475p36273 14586.7
phantomfive United States 1438p18629 14942.7
wojtas Poland 1812p48472 19765.9
piongogo United Nations 1491p62369 1733

Welcome !
Latest 24h newbies
rikpronk1963United Nations
whiteskimmerUnited Nations
MepoBmaptUnited States
airantroboUnited Nations
Bluzman7United States
PutneyUnited Nations
lunayblackyUnited Nations
uerobertUnited Nations
2014-09-18 18:00 CEST (GMT +0200)
Chess Tactics Server has served
97,614,440 problems to
74,014 registered tacticians from 143 countries.