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 Medalhmmm5724 Norway 2348
Silver Medalhustak20354 Norway 2342
Bronze Medalfastkicker10105 France 2266
4Akira896 Norway 2265
5Erlendm25541 Norway 2201
6morpy104995 Spain 2176
7Sergiochess65791 Russian Federation 2164
8byakuugan130357 United States 2127
9aryantari3135 Norway 2084
10Lazarillo192 United States 2056

29 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Margulito Argentina 1152p03034 1405
vijrocks United States 1336p05941 13447.6
JeanMarc Belgium 1623p42676 14743.1
Teajay Germany 1719p18533 15851.3
tonifa Spain 1659p21540 16343.3
deepdog Brazil 1549p19124 1421
mukuste Austria 1211p52786 126212.3
Laughingtree05 United States 1515p59390 13342.6
Skewbrow Finland 1345p06059 12357.2
strela Bulgaria 1702p47482 1636
ben777 United Nations 1542p48814 1585
vijrocks United States 1337p09017 1389
Teajay Germany 1721p43126 1759
JeanMarc Belgium 1628p55727 1558
knokker Belgium 1630p50907 144514.0
nune Canada 1545p30367 156713.9
kikopedras Portugal 1211p51032 1367
Skewbrow Finland 1345p14826 14586.0
strela Bulgaria 1698p46522 17405.7
danieln United States 1497p13341 16323.4
deepdog Brazil 1546p09735 15701.6
bhirghu United Nations 1403p20369 135026.4
Skewbrow Finland 1344p01335 13842.0
vijrocks United States 1336p31272 12031.1
JeanMarc Belgium 1629p37490 173119.0
mukuste Austria 1209p36911 14176.8
tonifa Spain 1659p47141 1807
Teajay Germany 1722p09417 166622.3
Skewbrow Finland 1343p38384 12774.6

Welcome !
Latest 24h newbies
ERFANAMUnited Nations
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2014-07-31 21:50 CEST (GMT +0200)
Chess Tactics Server has served
96,671,822 problems to
73,168 registered tacticians from 143 countries.