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 Medalhustak22000 Norway 2500
Silver Medalhmmm8751 Norway 2400
Bronze MedalErlendm62554 Norway 2340
4Akira2970 Norway 2327
5LuisPSupi157 Brazil 2127
6byakuugan141033 United States 2116
7morpy135248 Spain 2109
8pannkaka5337 Sweden 2105
9stefanp83963 Romania 2083
10Improchess68388 Spain 2081

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
rafiquiii United Nations 1852p02861 17384.0
AZWang United States 1566p25238 17284.4
hjtt Finland 1499p11340 144619.8
rafiquiii United Nations 1853p18638 1800
Skewbrow Finland 1472p60602 15962.8
whereismyev United Kingdom 1371p42612 1561
jsmithjr United States 1141p53077 1430
rafiquiii United Nations 1852p25371 18866.2
AZWang United States 1562p54029 14563.2
hjtt Finland 1494p64917 14553.3
whereismyev United Kingdom 1371p16553 13218.1
hjtt Finland 1487p42414 15753.0
AZWang United States 1561p43188 167110.0
jsmithjr United States 1141p15701 127214.9

Welcome !
Latest 24h newbies
HairhatUnited Nations
pulidinUnited Nations
KawaLionUnited Nations
hennaUnited Nations
kasandraUnited Nations
rick22crCosta Rica
psychologyboyUnited Nations
PinkSocksUK8United Nations
lavi1000United Nations
pratik9077United Nations
BlackKnifeUnited Nations
chielmoreUnited States
littletigerUnited States
2015-10-04 17:15 CEST (GMT +0200)
Chess Tactics Server has served
103,704,672 problems to
79,108 registered tacticians from 143 countries.