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	184581		2216
	fastkicker	6764		2213
	Sergiochess	58861		2203
4	tomseboll	47289		2185
5	Faramir (IM)	73175		2122
6	h256	6339		2119
7	Soryu	72329		2097
8	byakuugan	114495		2091
9	Aaron	19588		2050
10	ProblemMaster	15575		2046

24 actions this minute
Tactician	Country	Rating	Problem	Rating	Time [s]
Curmudgeon		1591	p34465	1473	4.6
MigueGK		1701	p59365	1767	5.7
lucha		1317	p04220	1473	8.2
malabarista		1446	p11910	1372
superflaco		1701	p42821	1814
MigueGK		1703	p45965	1761
luca61		1742	p52095	1814	8.8
lucha		1316	p43679	1260	7.0
Reaper32123		1669	p09640	1764	5.6
Curmudgeon		1590	p45859	1481	3.8
vlgadhiya		930	p52154	1237	22.5
padin		1409	p50490	1859
georgeP		1379	p59600	1295	6.9
Luisroberto		1535	p52106	1237	2.1
MigueGK		1703	p06716	1595	7.9
superflaco		1703	p38583	1882
malabarista		1445	p36067	1560	14.0
lucha		1316	p06655	1257	3.9
Curmudgeon		1590	p19798	1427	9.6
luca61		1743	p17989	1807
luca61		1742	p46947	1547	2.5
Reaper32123		1670	p11010	1782
MigueGK		1706	p29916	1640
superflaco		1704	p55528	1780