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 Medalhustak22429 Norway 2425
Silver MedalErlendm66666 Norway 2319
Bronze Medalmorpy135406 Spain 2207
4stefanp88440 Romania 2116
5Sergiochess69186 Russian Federation 2113
6byakuugan142665 United States 2102
7LuisPSupi750 Brazil 2086
8Faramir (IM)76187 Argentina 2078
9Soryu75068 Japan 2073
10Gliga5342 Brazil 2072

13 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Kitzune Canada 1145p09046 1594
CHINOCHESS Venezuela 1343p17514 153317.7
Olddog Australia 1332p59023 1431
cbatx Spain 1335p10234 1393
brambury Ukraine 1446p61100 15146.7
Yuan Switzerland 1736p53060 17102.2
moegigo Switzerland 1452p34691 146616.6
Yuan Switzerland 1734p20567 15161.4
CHINOCHESS Venezuela 1342p31023 181220.1
brambury Ukraine 1445p33117 12796.7
Yuan Switzerland 1729p16114 17271.7
moegigo Switzerland 1450p03314 14235.6
Yuan Switzerland 1735p34102 1654

Welcome !
Latest 24h newbies
sspsUnited States
chess484United Nations
SACHLASJUnited Nations
ican21United Nations
BadChemistryUnited States
David19739United Nations
HooryUnited Nations
helcrilRussian Federation
dadzillaUnited States
thomavichUnited States
snarkzillaUnited Nations
GuaimaritoUnited Nations
WellsUnited Nations
2015-11-26 22:20 CET (GMT +0100)
Chess Tactics Server has served
104,469,290 problems to
79,754 registered tacticians from 143 countries.