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Individual Calculations September 2010 |
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| Dahl, Matthew D Total change: 10.80 | |   |
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| 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2063 | 2.00 | 6 | -0.33 | 15 | -4.95 | |
|  Hungaski, Robert A | m | | 2427 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Harmon-Vellotti, Luke | | | 2062 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Barrett, Steve | | | 2181 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Smirnov, William J | | | 2152 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Sherman, David | | | 2117 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Tan, Mackinley E | | | 1997 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Chess.MN 2nd FIDE Open Rating Tournament | Minneapolis, Minnesota | USA | 2010-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2105 | 2.50 | 3 | 1.05 | 15 | 15.75 | |
| | Tang, Andrew | | | 1834 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Lange, Bryan A | | | 2136 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Adler, Victor | m | | 2394 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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