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Individual Calculations April 2009 |
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| Bryant, John D Total change: 51.60 | |   |
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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 |
| 2402 | 2223 | 2.00 | 3 | 1.13 | 15 | 16.95 | |
|  Zimbeck, David Alan | | | 2192 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Sharavdorj, Dashze | g | | 2442 | MGL | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Shabalov, Alexander | g | | 2573 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 16th Annual Western Class Championshipw | Agoura Hills, California | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2240 | 3.00 | 5 | 0.64 | 15 | 9.60 | |
| | Krishnan, Varun | | | 1908 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Kudryavtsev, Vadim | | | 2173 | RUS | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Kretchetov, Alexandre | f | | 2358 | RUS | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Khachiyan, Melikset | g | | 2519 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Manukyan, Garush | | | 2320 | ARM | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 26th Annual U.S Amateur Team West | Woodland Hills, CA | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2265 | 2240 | 4.50 | 6 | 1.68 | 15 | 25.20 | |
| | Danlag, Donald M | | | 2083 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Lee, Andy C | | | 2240 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Hermansen, Ron | | | 2235 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Bruno, Ronald | | | 2219 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Shankland, Samuel | m | | 2453 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Kretchetov, Alexandre | f | | 2358 | RUS | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 7th Annual Western Pacific Open | Los Angeles, CA | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2240 | 1.50 | 2 | -0.01 | 15 | -0.15 | |
| | Krishnan, Varun | | | 1908 | USA | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Faber, Craig Allen | | | 2148 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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