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 Medalhmmm5724 Norway 2348
Silver Medalhustak20354 Norway 2342
Bronze MedalAkira896 Norway 2265
4fastkicker10068 France 2238
5Erlendm24949 Norway 2210
6Sergiochess65791 Russian Federation 2164
7morpy104630 Spain 2136
8byakuugan130349 United States 2117
9aryantari3123 Norway 2083
10Yaranaika74113 Japan 2058

23 actions this minute
TacticianCountryRatingProblemRatingTime [s]
gabici Romania 1544p50787 161057.0
yunogasai Australia 1764p54509 1953
BounceBounce United Nations 1440p07436 12425.3
Harukaze Japan 1517p49339 146210.2
Mopsik Poland 1398p63592 143516.3
olda1 Czech Republic 1631p44900 15585.3
yunogasai Australia 1764p17008 16543.3
BounceBounce United Nations 1444p46014 1469
markusnel South Africa 1337p34595 1563
Hannibal Germany 1323p59667 1270
jesusblanco22 Venezuela 1479p06425 157110.3
Harukaze Japan 1519p20355 144614.4
olda1 Czech Republic 1626p23820 16763.9
yunogasai Australia 1762p16006 19023.8
Mopsik Poland 1399p05862 137513.9
BounceBounce United Nations 1440p18805 14012.7
yunogasai Australia 1760p52091 18770.6
jesusblanco22 Venezuela 1478p57542 14923.2
olda1 Czech Republic 1627p04038 14839.5
Harukaze Japan 1516p11560 15694.5
BounceBounce United Nations 1439p12531 13014.7
Mopsik Poland 1399p29366 137110.8
markusnel South Africa 1341p03734 1527

Welcome !
Latest 24h newbies
BounceBounceUnited Nations
rickyrecardUnited Nations
MooshuporkUnited Nations
shinwooUnited Nations
gertjan1996United Nations
france412United States
kralUnited Nations
alex1390United Nations
2014-07-24 15:20 CEST (GMT +0200)
Chess Tactics Server has served
96,518,095 problems to
73,056 registered tacticians from 143 countries.