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Individual Calculations April 2009 |
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| McVay, Karsten A Total change: -13.50 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 1863 | 0.00 | 2 | -0.41 | 15 | -6.15 | |
|  Samimi, Sohrab | | | 2139 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Strenzwilk, Denis | | | 2062 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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 |
| 2063 | 1863 | 0.00 | 2 | -0.49 | 15 | -7.35 | |
|  Lawson, Brian | | | 2101 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Stanley, Douglas | | | 2025 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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