Currently we provide 36,873 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.

Enjoy!

Top 10 active tacticians
	Handle	Tries	Country	Rating
	blitzmaniac	184316		2204
	Sergiochess	58861		2203
	tomseboll	47289		2185
4	fastkicker	6687		2154
5	Faramir (IM)	73175		2122
6	h256	6339		2119
7	Soryu	72168		2095
8	Yaranaika	59399		2093
9	byakuugan	114081		2076
10	Aaron	19217		2050

7 actions this minute
Tactician	Country	Rating	Problem	Rating	Time [s]
JeffH		1359	p64715	1393
uman		1417	p04438	1351	7.3
JeffH		1360	p37661	1517
uman		1418	p51356	1359	14.4
JUNU		1163	p30809	1229
unstable		1260	p37455	1425
JeffH		1361	p00592	1474