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Individual Calculations April 2009 |
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| Lucky, David Total change: -8.55 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2303 | 3.00 | 6 | -0.57 | 15 | -8.55 | |
|  Yee, Michael A | | | 2069 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Kudryavtsev, Vadim | | | 2173 | RUS | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Khachiyan, Melikset | g | | 2508 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Yang, Darwin | f | | 2182 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Moskow, Eric D | | | 2225 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Zierk, Steven C | | | 2240 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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