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Individual Calculations October 2008 |
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| Samuelson, Andrew Total change: 25.80 | |   |
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| Springfield FIDE Invitational RR | Springfield, Virginia | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2132 | 4.50 | 7 | 1.75 | 15 | 26.25 | |
|  Larkins, Larry R | | | 2183 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | |  Balasubramanian, Adit | | | 2118 | IND | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Marshall, Abby | | wf | 2178 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Minear, Peter | | | 2227 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Miller, Daniel Issac | | | 2266 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Rubenchik, Rodion V | f | | 2300 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Weissbarth, Adam | | | 2210 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2128 | 1.50 | 5 | 0.01 | 15 | 0.15 | |
| | Bartell, Thomas | f | | 2391 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Bonin, Jay | m | | 2385 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Kaufman, Raymond | f | | 2360 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Barnett, Alexander | | | 2214 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Pinkerton, James C | | | 2102 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | 72nd Annual Virginia Closed Stste Championship | Glen Allen, Virginia | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2305 | 2128 | 0.50 | 2 | -0.04 | 15 | -0.60 | |
| | Schuyler, James | f | | 2346 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Shibut, Macon A | f | | 2264 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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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