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 Medallarso1000 Norway 2301
Silver Medalfastkicker11203 France 2174
Bronze MedalErlendm29773 Norway 2173
4Sergiochess66620 Russian Federation 2156
5byakuugan131088 United States 2132
6Faramir (IM)74178 Argentina 2114
7Fedex2862 Argentina 2100
8morpy106006 Spain 2055
9stefanp70945 Romania 2037
10Aaron24048 United States 2033

23 actions this minute
TacticianCountryRatingProblemRatingTime [s]
picino United Nations 1434p41396 1493
pfingsten90 Germany 1343p49013 1482
chompatrash2 Mexico 1481p48889 164716.0
siggeoslo Norway 1367p15243 145911.9
tonifa Spain 1677p53601 18184.8
ktav Germany 1764p11661 18575.2
Garda Portugal 1698p63454 172317.4
tonifa Spain 1677p31201 162410.0
Magouloub France 1533p11830 176941.7
chompatrash2 Mexico 1480p17578 14417.1
chlapicek Czech Republic 1612p03416 1532
siggeoslo Norway 1369p51098 1558
dimava Belgium 1631p46744 16169.1
tonifa Spain 1674p18264 16681.0
pfingsten90 Germany 1339p14714 11633.2
ktav Germany 1763p05998 16373.5
chompatrash2 Mexico 1479p26337 15166.7
Arcangel2000 Mexico 1454p36365 1553
picino United Nations 1436p08411 1256
chlapicek Czech Republic 1611p38625 15534.1
Garda Portugal 1700p12878 1540
tonifa Spain 1675p09500 171316.1
siggeoslo Norway 1368p64287 12705.5

Welcome !
Latest 24h newbies
0202590357United Nations
jaiyeolaUnited Nations
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vik9612United Nations
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MepoBmaptUnited States
airantroboUnited Nations
2014-09-18 22:00 CEST (GMT +0200)
Chess Tactics Server has served
97,617,806 problems to
74,020 registered tacticians from 143 countries.