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Individual Calculations September 2010 |
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| Grasso, David Total change: 13.35 | |   |
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| DOCA July Quad | Branchburg, New Jersey | USA | 2010-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2168 | 2.00 | 3 | 0.43 | 15 | 6.45 | |
|  Ferrero, Steve | | | 2153 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | |  Swaminathan, Rahul | | | 2085 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Stoyko, Stephen E | f | | 2209 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | DOCA 2nd FIDE Invitational | Whitehouse Station, New Jersey | USA | 2010-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2168 | 5.50 | 9 | 0.46 | 15 | 6.90 | |
| | Ippolito, Dean J | m | | 2458 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | O`Brien, Matthew J | | | 1889 | USA | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Ferrero, Steve | | | 2153 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Walker, Andrew C W | | | 2104 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Swaminathan, Rahul | | | 2085 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | West, James R | | | 2090 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Chen, Kevin E | | | 2071 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Zhu, Daniel | | | 2065 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Stoyko, Stephen E | f | | 2209 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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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