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 MedalErlendm30551 Norway 2230
Bronze MedalSergiochess66620 Russian Federation 2156
4fastkicker11340 France 2151
5byakuugan131278 United States 2141
6Faramir (IM)74178 Argentina 2114
7pannkaka5000 Sweden 2104
8Fedex2862 Argentina 2100
9morpy106006 Spain 2055
10stefanp70945 Romania 2037

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
misspelargo Hungary 1873p41206 18642.9
student2014 United Nations 1385p45042 13405.9
cc91 Italy 1195p13231 1072
topolino United Nations 1712p34198 1693
misspelargo Hungary 1872p06972 17463.9
Amateur Denmark 1288p45312 13463.8
student2014 United Nations 1387p16483 1303
Amateur Denmark 1287p44985 141910.1
cc91 Italy 1194p19344 13519.6
misspelargo Hungary 1875p33481 1763
topolino United Nations 1715p54471 1647
Amateur Denmark 1284p22345 12263.4
misspelargo Hungary 1876p22353 181814.7
student2014 United Nations 1387p28259 13318.7

Welcome !
Latest 24h newbies
lkhouecqUnited Nations
nippon07Viet Nam
bb563United Nations
kuthuparakkalUnited States
gnusmasUnited Nations
drimogemonsUnited Nations
sancho973United Nations
2014-09-30 12:40 CEST (GMT +0200)
Chess Tactics Server has served
97,821,304 problems to
74,190 registered tacticians from 143 countries.