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 Medalhmmm7225 Norway 2432
Silver Medalmjehehe20925 Norway 2274
Bronze MedalErlendm58382 Norway 2263
4fastkicker12202 France 2229
5morpy134620 Spain 2215
6byakuugan139974 United States 2153
7stefanp77484 Romania 2106
8Faramir (IM)74801 Argentina 2104
9Fedex3268 Argentina 2103
10Improchess66661 Spain 2057

21 actions this minute
TacticianCountryRatingProblemRatingTime [s]
KingsMan United States 1175p58342 135611.0
itchyhateswool Canada 1175p27336 1300
Hammer Germany 1616p54540 16604.9
mnostrant United States 1497p24354 1621
trantran United Nations 1688p35731 15234.0
hound Australia 1441p64619 13975.7
itchyhateswool Canada 1162p64469 138212.4
KingsMan United States 1174p51906 11893.5
Hammer Germany 1618p35425 14449.2
Pleci Ireland 1644p10124 14845.0
SS01 United States 1476p24503 1603
hound Australia 1441p63146 14938.3
Gorilon Uruguay 1763p59205 17238.0
KingsMan United States 1174p14767 143987.3
Pleci Ireland 1645p12976 166017.9
Hammer Germany 1619p00874 158912.1
trantran United Nations 1688p58795 15614.1
itchyhateswool Canada 1166p32922 129018.3
Gorilon Uruguay 1766p15686 169532.0
mnostrant United States 1497p11812 13839.4
trantran United Nations 1687p54636 17122.2

Welcome !
Latest 24h newbies
Isien1United Nations
djsean15United Nations
ded1United Nations
daedUnited States
FFMMUnited Nations
aadi546United Nations
wefqwefqwefHong Kong
CeresOstravaUnited Nations
gor1000United Nations
2015-07-29 02:35 CEST (GMT +0200)
Chess Tactics Server has served
102,862,784 problems to
78,351 registered tacticians from 143 countries.