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 Medalhustak18086 Norway 2240
Silver Medalhmmm4874 Norway 2240
Bronze Medalfastkicker9419 France 2213
4Sergiochess64424 Russian Federation 2165
5Erlendm12384 Norway 2127
6larso101 Norway 2116
7byakuugan127612 United States 2098
8Soryu74249 Japan 2077
9pannkaka4583 Sweden 2070
10aryantari1254 Norway 2032

28 actions this minute
TacticianCountryRatingProblemRatingTime [s]
BicycleKick France 1551p37353 14967.1
Theofrast United Nations 1463p38536 13444.1
kchaliki India 1629p43247 16975.5
williamroberts United States 1000p33674 1423
binino United Nations 1305p65446 12139.4
Bekefalos Sweden 1366p26809 141313.4
Sandia Norway 1660p10713 17646.8
damyanchuk Italy 1734p02828 186333.3
BicycleKick France 1551p38878 158019.3
burebista Romania 1505p41810 1649
kchaliki India 1628p17073 15384.7
a1t19 United Nations 1847p27747 1697
Tanman12 United States 1296p29070 162013.2
camparikorn Italy 1335p34983 1484
Theofrast United Nations 1464p47599 1533
kchaliki India 1628p40411 15266.5
JSorel Italy 1768p31675 185932.3
binino United Nations 1303p25265 12563.6
Sandia Norway 1661p65505 1692
a1t19 United Nations 1847p01026 16236.3
lucha United Nations 1302p33804 1296
BicycleKick France 1552p57465 1547
Bekefalos Sweden 1365p33289 13315.5
Theofrast United Nations 1463p25790 13654.7
damyanchuk Italy 1732p25695 15471.0
binino United Nations 1302p62360 13719.5
burebista Romania 1506p10218 1657
Sandia Norway 1662p36748 171224.0

Welcome !
Latest 24h newbies
Tanman12United States
ZL1CorvetteUnited Nations
williamrobertsUnited States
willrobertsUnited Nations
GeniusChess17United Nations
simonpriceUnited Nations
blackpawnUnited Nations
krishnakgUnited States
mbearUnited Nations
SunbearUnited States
KeetCurtisUnited States
ebenbruynsNew Zealand
Tal1960United Nations
KFGaussUnited Nations
2014-04-18 20:30 CEST (GMT +0200)
Chess Tactics Server has served
94,496,228 problems to
71,632 registered tacticians from 143 countries.