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Individual Calculations April 2009 |
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| Ippolito, Dean J Total change: 11.00 | |   |
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| Bermuda International Open | hamilton | BER | 2009-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2432 | 3.00 | 4 | 0.61 | 10 | 6.10 | |
|  Gershenov, Ben | | | 2082 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Epstein, Esther | | wm | 2188 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Defirmian, Nick | g | | 2545 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Ivanov, Alexander | g | | 2541 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2432 | 4.00 | 4 | 0.49 | 10 | 4.90 | |
| | Sells, Philip Gran | | | 2082 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Song, Paul | | | 2094 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Teasley, Dorothy | | wm | 2141 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Frumkin, Edward A | | | 2082 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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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