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
	3ThePalestine	15302		2665
	NogodNomaster	12938		2651
	daxueshi	232880		2651
4	blitzmaniac	124950		2325
5	Faramir (IM)	60845		2171
6	Sergiochess	18675		2136
7	boris1991	563		2125
8	CLance	49323		2122
9	morpy	67857		2114
10	Smurfie (IM)	12745		2079