Chess Tactics Server

Currently we provide 36,868 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 MedalErlendm55991 Norway 2300
Silver Medalmjehehe10402 Norway 2244
Bronze Medalfastkicker11941 France 2211
4morpy133162 Spain 2206
5hmmm6496 Norway 2183
6Lazarillo2662 United States 2153
7byakuugan138275 United States 2125
8stefanp77443 Romania 2081
9aryantari12626 Norway 2067
10blitzmaniac188255 Serbia 2065

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
wargasm Sweden 1985p41177 1616
asus United States 1469p41716 1514
wargasm Sweden 1983p21921 17600.7
Skewbrow Finland 1440p15134 12644.3
tijngommans Netherlands 994p13154 1399
pezhmanchess Sweden 1216p56758 123410.3
schubert United Nations 1319p63808 121418.3
asus United States 1467p40802 15824.9
wargasm Sweden 1986p38092 2009
Skewbrow Finland 1439p11127 13743.4
mamut Czech Republic 1429p16749 1245
pezhmanchess Sweden 1212p27120 13106.9
wargasm Sweden 1985p64697 16341.0
mamut Czech Republic 1428p61165 14576.9

Welcome !
Latest 24h newbies
bezzstarUnited Nations
cao91United Nations
pmulqueenUnited States
karpiekatUnited Kingdom
ModyFalcoCZUnited Nations
JirikSUnited Nations
thf214United Nations
dejf761United Nations
dejfCzech Republic
2015-05-24 14:55 CEST (GMT +0200)
Chess Tactics Server has served
101,928,587 problems to
77,598 registered tacticians from 143 countries.