Currently we provide 23,803 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.

If you decide you want to join our community, 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 its development. Please don't use your skills to attack this server, but to detect and remove possible exploits.

To offer help or to make proposals send a message to the operator.

Enjoy!

Top 10 active tacticians
	Handle	Tries	Country	Rating
	fastkicker	5782		2270
	Sergiochess	48100		2241
	morpy	83126		2231
4	Faramir (IM)	71253		2211
5	gonulcelen	3602		2196
6	mutlumusun	1555		2175
7	Saghi	1676		2170
8	repla	7677		2168
9	byakuugan	102309		2159
10	xxxyz	355		2152

16 actions this minute
Tactician	Country	Rating	Problem	Rating	Secs.
capabonker		1660	p62203	1814
ahamd		1331	p34130	1104	2.7
SortieVauhalla		1029	p36227	1196
Zugzwang956		1419	p13992	1324
Mallorqui		1141	p19557	1113	6.4
ahamd		1331	p07338	1176	9.3
SortieVauhalla		1037	p36063	1323
1010		1675	p00103	1609	10.4
capabonker		1659	p00464	1530	3.2
Mallorqui		1141	p41434	1267	11.1
Sudeg		1096	p32413	1824
capabonker		1658	p62095	1777	7.5
1010		1674	p64328	1765	12.8
Zugzwang956		1419	p06787	1544	11.4
ahamd		1331	p59442	1369	10.6
ItsCheckers		1464	p06375	1378	7.5