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 Medalhustak20391 Norway 2337
Silver MedalErlendm28179 Norway 2242
Bronze Medallarso885 Norway 2220
4fastkicker10679 France 2216
5Sergiochess66264 Russian Federation 2171
6morpy105705 Spain 2121
7byakuugan130921 United States 2091
8tomseboll54834 Sweden 2062
9Lazarillo192 United States 2056
10tzzzzz2081 Armenia 2033

30 actions this minute
TacticianCountryRatingProblemRatingTime [s]
colinp United Kingdom 1700p50690 181211.2
solonegras Spain 1171p26003 142914.1
Erlendm Norway 2241p48532 17330.7
arakira France 1688p20357 16238.3
dimava Belgium 1642p45582 166224.7
rfisher1 Canada 1545p22591 15066.4
hpk61 Germany 1405p25762 1490
pipefroide France 1038p62055 117520.9
Foenixx United States 1969p15122 17924.8
colinp United Kingdom 1700p51592 16167.3
yonil Israel 1342p20997 1371
lucha United Nations 1353p61068 15526.6
rfisher1 Canada 1543p14269 15801.6
arakira France 1689p47013 1686
hpk61 Germany 1406p07560 155818.6
Corwin Canada 995p18883 146059.3
joker95 Italy 1551p35722 14635.3
solonegras Spain 1175p63230 1328
Foenixx United States 1969p33894 17603.5
rfisher1 Canada 1542p43100 13952.5
Erlendm Norway 2240p30785 19120.7
dimava Belgium 1641p16803 14962.4
lucha United Nations 1353p53167 12766.5
Luukie Netherlands 1417p49048 13124.7
colinp United Kingdom 1701p62452 2068
pipefroide France 1038p37940 133424.5
yonil Israel 1344p62856 141220.8
rfisher1 Canada 1541p19359 14172.6
joker95 Italy 1552p13966 1705
NKundtz United States 1400p22500 139936.1

Welcome !
Latest 24h newbies
pipesharpUnited States
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2014-08-29 18:35 CEST (GMT +0200)
Chess Tactics Server has served
97,245,629 problems to
73,703 registered tacticians from 143 countries.