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 Medalhmmm4874 Norway 2240
Silver Medalfastkicker9294 France 2234
Bronze Medalhustak18078 Norway 2230
4Sergiochess64424 Russian Federation 2165
5larso101 Norway 2116
6Erlendm12007 Norway 2096
7byakuugan127188 United States 2088
8Soryu74249 Japan 2077
9pannkaka4583 Sweden 2070
10mnarciso (GM)27591 Spain 2012

21 actions this minute
TacticianCountryRatingProblemRatingTime [s]
slingerdinger United Nations 1414p50035 1507
Dwidge Russian Federation 1960p32443 18062.6
asus United States 1468p18451 13544.4
Dwidge Russian Federation 1958p38157 19816.5
Alrrash United Nations 1537p13019 136313.1
pugzebub United Nations 1413p20039 12854.2
Lisa United Nations 1960p27060 18393.9
macdevos Netherlands 1522p58569 157917.9
BicycleKick France 1553p06522 1609
nico06 Mexico 1108p17037 137822.3
pugzebub United Nations 1413p63119 151218.0
slingerdinger United Nations 1413p31222 12903.0
camparikorn Italy 1326p61835 142516.1
Alrrash United Nations 1537p15884 15498.4
Dwidge Russian Federation 1957p56804 16962.2
asus United States 1470p06497 144532.7
Lisa United Nations 1959p46436 17730.9
slingerdinger United Nations 1414p14234 1427
Dwidge Russian Federation 1954p47700 18293.6
macdevos Netherlands 1521p07910 15639.0
211265 United Nations 1387p52686 1473

Welcome !
Latest 24h newbies
LoydWigfieldUnited Nations
HelenQUnited Nations
TktafgebUnited Nations
JK78856United States
ccjhevfgibUnited Nations
guentherb121United Nations
GzoqnbqcUnited Nations
RRRRRRRRUnited Nations
djgenio686United Nations
arvindaUnited Nations
757pUnited States
lavi100United Nations
MAREKOBRAUnited Nations
rickey55United Nations
WtoqypeeUnited Nations
ivansermRussian Federation
211265United Nations
2014-04-16 18:35 CEST (GMT +0200)
Chess Tactics Server has served
94,451,918 problems to
71,587 registered tacticians from 143 countries.