Currently 23,803 tactical chess problems with a degree of difficulty ranging from trivial to ambitious are provided to be solved against the clock. Your tactical performance will be measured by the Glicko rating system. The problems are rated too.

You can sign in completely anonymous as guest to get familiar with the chess board interface, browse some problems or just look around.

If interested, you'll just need a valid email address to register and join our community.

Guía de utilización en Español. Thx to 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 development. Please don't use your skills on attacking this server, but on detecting and removing possible exploits.

For help or proposals send a message to the operator.

Enjoy!

Top 10 active tacticians
	Handle	Tries	Country	Rating
	NogodNomaster	10215		2670
	daxueshi	227040		2670
	3ThePalestine	11413		2640
4	blitzmaniac	122001		2300
5	Faramir (IM)	60504		2182
6	fastest	56153		2155
7	boris1991	563		2125
8	morpy	67454		2107
9	Soryu	48171		2106
10	Sergiochess	18333		2104