The one hundred millionth game

10/11/2005 – Today was a special day for Playchess. In the fourth year after its launch our chess server was host to the hundred millionth game. It happened on Monday morning at 10:55 a.m. Central European Time. The world championship coverage from San Luis is also helping shatter other records. Here are some big numbers.

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The new "server statistics" function of Fritz 9 allowed many visitors to watch in anticipation for the 100 millionth game. It came at 10:55 a.m. Central European Time, when Amadee (1933) challenged A-B (1791) to a 3 minutes + 2 sec. blitz game (Amadee won). Here is the milestone game:

Amadee (1933) - A-B (1791)
3m + 2s, rated, 10.10.2005
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Be7 7.Re1 0-0 8.d4 d6 9.c3 Bg4 10.Be3 Na5 11.Bc2 Nc4 12.Bc1 c6 13.b3 Nb6 14.dxe5 Bxf3 15.Qxf3 dxe5 16.Be3 Qc7 17.Nd2 Rad8 18.Nf1 Rd7 19.Ng3 Rfd8 20.Nf5 Bf8 21.Bg5 Kh8 22.Nxg7 Bxg7 23.Bxf6 Rg8 24.Rad1 Rd6 25.Bxg7+ Rxg7 26.Rxd6 Qxd6 27.Rd1 Qe7 28.g3 Nd7 29.c4 Nf6 30.Qf5 Rg8 31.c5 Rg6 32.b4 a5 33.a3 axb4 34.axb4 Kg7 35.Rd6 h5 36.Bb3 h4 37.Rxc6 hxg3 38.hxg3 Qd8 39.Kg2 Qd2 40.Qxe5 Rh6 41.Rc7 Qc1 42.Rxf7+ Kh8 43.Qb8+ Ng8 44.Rh7+ Kxh7 45.Qxg8# 1-0. [Click to replay]

To view the statistics in Fritz 9 use "Server Stastics" in the Tools menu:

The server stats as displayed by Fritz 9 show us a number of interesting numbers:

As you can see there are currently over 176,000 registered users of the server. The total number of games played on the server so far is just in excess of 100 million. Over 52,000 tournaments have been played. On the current day (so far) almost 21,000 people visited the server and played 134,000 games. The peak was 7072 users simultaneously logged into Playchess. The graph at the bottom shows the number of players online on Playchess at different times of the day. The times are in Central European Time, which is also the server time.

The average of 140,000 games per day comes to currently over 50 million games per year. The number is likely to be larger because (a) the server is growing, day by day; and (b) on October 10th, the day on which the above statistic was taken, a very large number were not playing chess but watching the games of the World Championship in San Luis. Here's a screen shot at the hight of the action:

As you can see there are 7072 visitors online, of which 2918 are playing in the main tournament hall. A further 3668 were in the broadcast room, where the games from San Luis were being broadcast. Incidentally the record for the number of players simultaneously online has been broken almost on a daily basis during this world championship.

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