My favourite chess problem
Many years ago, searching for the Internet over chess problem, I bumped into a very interesting piece.
Find it on the bottom as a FEN row, clicking on it the board will also appear.
The task is: white mates in one!
Can't be too hard, I thought, but scrolling over the possibilities the solution just didn't come up.
I check everything once more, then again, and again, and once I found another way that was hidden for me before. The solution also hid there. It became my favourite chess problem then, but of course, it's true, there are many many beautiful problems out there.
This was the first problem I submitted to the server. Some players can solve it, some don't. Some believe there is no valid solution.
So, check this problem if you want. And enjoy.
The following list contains all the stories gathered from here and there.
Click on any of them.
The server calculates a reliability factor for each player according to their actions in the past few weeks.
This value is influenced by many different things, for example if their settings are correct, if they had a timeout in a game, or if they have unannounced vacations, etc.
The value is always between 0 and 10.
New players start at 3.5.
After they set up their basic settings such as the country code, gender, real name, birth year, this value goes up to 5.
If they successfully start few games and also finish them in order, without timeouts, silent vacation, the value raises around 6.
As they finish more games, and as the time goes without any problem with them, the value still raises.
Players with many months of membership and with a lot of games and without any problems can go over 9.
This may help players to find the right opponents, and may give them an approximate view about their future opponents, without personally knowing them.
Protecting serious club members, players with too low reliability (less than 5) can't enter for new tournaments.
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