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 MedalErlendm42926 Norway 2263
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]
topolino United Nations 1706p45583 153013.0
infni France 1549p57967 16181.7
latingirl United Nations 1785p48983 17072.7
elinso Uruguay 1136p62783 11245.7
wbport United States 1594p54148 149910.5
infni France 1550p63806 152922.1
elinso Uruguay 1136p15868 142130.1
latingirl United Nations 1789p33219 1798
wbport United States 1586p07044 16935.2
latingirl United Nations 1792p15844 184330.0
topolino United Nations 1704p46470 17371.5
wbport United States 1583p02593 175510.4
topolino United Nations 1704p49819 16787.1
elinso Uruguay 1136p58657 110813.9

Welcome !
Latest 24h newbies
RobsonUnited Kingdom
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2015-01-25 21:10 CET (GMT +0100)
Chess Tactics Server has served
99,984,920 problems to
76,012 registered tacticians from 143 countries.