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 Medalhustak21584 Norway 2500
Silver Medalhmmm6924 Norway 2400
Bronze MedalErlendm57434 Norway 2307
4mjehehe20585 Norway 2299
5fastkicker12053 France 2238
6morpy134407 Spain 2189
7byakuugan139652 United States 2109
8Faramir (IM)74801 Argentina 2104
9stefanp77461 Romania 2096
10Sergiochess68615 Russian Federation 2092

12 actions this minute
TacticianCountryRatingProblemRatingTime [s]
psyy France 1146p07911 10022.5
Kolvin51 Russian Federation 1726p60760 16994.8
tbow Canada 1513p41470 15656.2
psyy France 1136p54155 8123.2
striker86 United States 1319p21712 11211.7
tbow Canada 1513p04865 13554.7
psyy France 1154p56323 115617.5
striker86 United States 1318p50713 13301.2
striker86 United States 1317p32407 12946.3
psyy France 1154p31421 143023.8
tbow Canada 1514p23061 1531
striker86 United States 1319p41471 1307

Welcome !
Latest 24h newbies
SmartyPants3United Nations
CannabichUnited Nations
LeonidasZUnited Nations
A1B2C3United Nations
tonateUnited Nations
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WraesrUnited States
abentancurUnited Nations
sdomnickUnited Nations
franceUnited Nations
nichole5724United Nations
Bluto2761United States
KleberferrUnited Nations
2015-07-04 20:55 CEST (GMT +0200)
Chess Tactics Server has served
102,510,876 problems to
78,098 registered tacticians from 143 countries.