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 MedalErlendm33219 Norway 2258
Silver Medalfastkicker11445 France 2196
Bronze MedalSergiochess66695 Russian Federation 2158
4morpy107843 Spain 2134
5Faramir (IM)74178 Argentina 2114
6pannkaka5076 Sweden 2110
7byakuugan131448 United States 2104
8stefanp70953 Romania 2067
9tzzzzz2443 Armenia 2029
10Fedex2946 Argentina 2011

24 actions this minute
TacticianCountryRatingProblemRatingTime [s]
binyo1976 Indonesia 1413p30379 1505
Fabeli United Nations 1287p59949 1276
Spiff Sweden 1610p60797 1743
7550 United States 1676p44095 14595.5
afras Norway 1287p10929 1352
MHFlush Germany 1912p10222 17591.5
Pumuckl Germany 1997p00748 1849
binyo1976 Indonesia 1412p29030 12732.3
meliusms United States 1043p28841 980
formacion1 United Nations 1145p02840 1435
Fabeli United Nations 1287p57112 135420.6
chlapicek Czech Republic 1664p33576 177816.3
7550 United States 1675p29270 13453.1
afras Norway 1284p27397 12032.3
meliusms United States 1041p32903 12049.2
formacion1 United Nations 1145p39372 11078.2
MHFlush Germany 1911p02945 16492.1
Pumuckl Germany 1996p08343 16462.8
afras Norway 1288p56424 1209
7550 United States 1676p65397 12826.9
binyo1976 Indonesia 1413p05835 1285
Fabeli United Nations 1287p57379 144015.6
Pumuckl Germany 1995p36079 19813.9
Pinsu Spain 1761p21656 16415.2

Welcome !
Latest 24h newbies
AnaisCMUnited Nations
PrinceofChinaUnited States
salaryhoersUnited Nations
kennypowers1United States
spooiUnited Nations
LuLiGaUnited Nations
PiffsonUnited Nations
dusuncibendaUnited Nations
RICHARDSUnited Nations
eric2800United Nations
2014-10-23 20:10 CEST (GMT +0200)
Chess Tactics Server has served
98,267,043 problems to
74,555 registered tacticians from 143 countries.