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 Medalhmmm5965 Norway 2408
Silver Medalmorpy126362 Spain 2277
Bronze MedalErlendm42936 Norway 2257
4Sergiochess68068 Russian Federation 2140
5alfilazo7499 Peru 2119
6byakuugan135271 United States 2113
7Faramir (IM)74479 Argentina 2100
8cactus83564 United Nations 2085
9stefanp76056 Romania 2076
10Lazarillo2115 United States 2075

14 actions this minute
TacticianCountryRatingProblemRatingTime [s]
halbizzy United Nations 1053p31898 140112.0
hanleychess Republic of Korea 1180p16247 1641882.4
AchilipuApuAPu United Nations 1660p36130 18309.1
fullbocco Japan 1313p01998 1425
davidbowmann Italy 1396p16031 1447
kchaliki India 1645p41681 161018.4
TurkishTickler United States 1721p44283 17246.1
alescamilla Mexico 1352p45749 1564
halbizzy United Nations 1056p13622 133249.6
AchilipuApuAPu United Nations 1655p23486 15981.9
davidbowmann Italy 1394p00653 12945.2
TurkishTickler United States 1724p40127 184437.6
kchaliki India 1644p41321 15454.7
jknight United Nations 1397p50566 1659

Welcome !
Latest 24h newbies
YustiUnited Nations
RobsonUnited Kingdom
parksUnited Nations
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coptUnited States
halbizzyUnited Nations
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jsaunde3United Nations
Ju4ncyt0United Nations
beepboopbopUnited States
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TATOADUnited States
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camolot457656United Nations
AnonymanUnited Kingdom
rubmychessUnited States
2015-01-25 23:15 CET (GMT +0100)
Chess Tactics Server has served
99,986,723 problems to
76,013 registered tacticians from 143 countries.