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 Medalfastkicker10130 France 2274
4Akira896 Norway 2265
5Erlendm25541 Norway 2201
6morpy104995 Spain 2176
7Sergiochess65791 Russian Federation 2164
8byakuugan130357 United States 2127
9aryantari3135 Norway 2084
10Lazarillo192 United States 2056

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
equos Indonesia 1233p42714 12817.5
simmer Canada 1305p31347 10563.0
bobit United States 1300p56101 13139.2
picino United Nations 1424p53366 1297
simmer Canada 1302p55249 14441.8
bobit United States 1301p19041 140420.5
dasupressa United States 1284p23105 172951.5
shanr12 United States 1465p19723 15652.6
simmer Canada 1302p01538 10682.4
picino United Nations 1423p20730 14752.2
shanr12 United States 1467p02728 1544
simmer Canada 1301p56583 9721.4
picino United Nations 1424p44561 1487

Welcome !
Latest 24h newbies
ratm8309United Nations
VjsofwefwefUnited Nations
ERFANAMUnited Nations
ebrattliUnited Nations
quak170United States
1000aweekUnited Nations
CT1030United States
pbentoUnited Nations
lizhuzhubunrUnited Nations
591211United Nations
FsofwefwefUnited Nations
vsimpsonxcUnited Nations
2014-08-01 03:55 CEST (GMT +0200)
Chess Tactics Server has served
96,678,298 problems to
73,172 registered tacticians from 143 countries.