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Individual Calculations April 2009 |
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| Small, Gregg H Total change: 14.25 | |   |
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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 |
| 2311 | 2240 | 3.00 | 5 | 0.94 | 15 | 14.10 | |
|  Velikanov, Alexander | | | 2067 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Sarkar, Justin | m | | 2451 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Mulyar, Michael A | m | | 2395 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Matikozyan, Andranik | m | | 2462 | ARM | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Higgins, Sean K | | | 2178 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | 16th Annual Western Class Championshipw | Agoura Hills, California | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2271 | 2.00 | 5 | -0.88 | 15 | -13.20 | |
| | Hanken, Jerome B | | | 1924 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Matikozyan, Andranik | m | | 2452 | ARM | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Yanayt, Eugene | f | | 2225 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Kretchetov, Alexandre | f | | 2358 | RUS | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Velikanov, Alexander | | | 2043 | USA | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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) | | | | 7th Annual Western Pacific Open | Los Angeles, CA | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2271 | 3.00 | 4 | 0.89 | 15 | 13.35 | |
| | Sobel, Simone | | | 1951 | USA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Kudryavtsev, Vadim | | | 2173 | RUS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Sevillano, Enrico | m | | 2512 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Tate, Emory A | m | | 2333 | USA | 1.00 | 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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