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 MedalErlendm53857 Norway 2308
Silver Medalfastkicker11823 France 2267
Bronze Medalmorpy132698 Spain 2267
4mjehehe883 Somalia 2202
5byakuugan137080 United States 2148
6stefanp76101 Romania 2094
7aryantari10771 Norway 2066
8bogdanovich2014 Romania 2053
9Gliga1207 Brazil 2040
10themaheide (GM)4945 Greece 2012

11 actions this minute
TacticianCountryRatingProblemRatingTime [s]
Mifra Germany 1412p47752 1334
Yiannis Greece 1486p34650 15207.9
hound Australia 1452p39389 1570
Mifra Germany 1411p38420 14765.6
Shasic Serbia 1441p26318 1542
Yiannis Greece 1487p59399 141110.9
Mifra Germany 1410p28758 12512.5
Shasic Serbia 1440p38364 156510.3
Mifra Germany 1409p31550 12473.4
Yiannis Greece 1488p20600 139413.8
Mifra Germany 1408p47383 13783.2

Welcome !
Latest 24h newbies
harshchess1United Nations
Isis1209United Nations
Isis12United Nations
Questar52United States
WaangAZUnited States
EmperorPenguinUnited Nations
feijaiUnited Nations
dobladoUnited Nations
2015-04-19 12:50 CEST (GMT +0200)
Chess Tactics Server has served
101,404,175 problems to
77,227 registered tacticians from 143 countries.