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 Medallarso1000 Norway 2301
Bronze Medalfastkicker10771 France 2222
4Erlendm28786 Norway 2212
5Sergiochess66264 Russian Federation 2171
6morpy105722 Spain 2078
7byakuugan130936 United States 2077
8aryantari4566 Norway 2067
9Lazarillo192 United States 2056
10fastest65223 Chile 2037

28 actions this minute
TacticianCountryRatingProblemRatingTime [s]
rutra24 United States 1500p01372 15542.5
ickoo Slovakia 1356p39040 13405.0
binino United Nations 1387p54041 131517.4
ClausEM Denmark 1247p43060 124633.7
superdioni Argentina 1945p48906 2096
Pinguin Netherlands 1218p18158 1405
Joerg Germany 1762p55578 200214.7
ling Denmark 1410p44149 14116.9
EICH United Nations 1590p58051 17509.2
Pinguin Netherlands 1216p39560 14378.6
coldpizza72i United States 1313p37661 14968.8
ling Denmark 1410p19608 159816.5
superdioni Argentina 1944p07308 18890.7
binino United Nations 1387p17669 12706.7
rutra24 United States 1505p03142 1533
ickoo Slovakia 1360p01612 1515
arakira France 1732p48668 17868.8
Pinguin Netherlands 1215p55305 12706.7
coldpizza72i United States 1314p26814 141817.3
asus United States 1482p60790 1606
superdioni Argentina 1943p21719 18640.9
ClausEM Denmark 1247p01244 11928.9
EICH United Nations 1593p53411 1463
binino United Nations 1385p11843 14947.5
Pinguin Netherlands 1215p30551 10818.0
rutra24 United States 1509p14433 1623
ickoo Slovakia 1360p23407 139210.8
superdioni Argentina 1943p39472 16046.5

Welcome !
Latest 24h newbies
akidproUnited Nations
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barcelona12United Nations
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zawchessmanUnited States
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2014-09-02 21:05 CEST (GMT +0200)
Chess Tactics Server has served
97,323,102 problems to
73,772 registered tacticians from 143 countries.