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Individual Calculations April 2009 |
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| Kretchetov, Alexandre Total change: -1.50 | |   |
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| 16th Annual Western Class Championshipw | Agoura Hills, California | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2372 | 2358 | 2.50 | 5 | 0.09 | 15 | 1.35 | |
|  Manukyan, Garush | | | 2320 | ARM | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Khachiyan, Melikset | g | | 2519 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Bryant, John Daniel | | | 2240 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Small, Gregg H | | | 2271 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Sevillano, Enrico | m | | 2512 | 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) | | | | 26th Annual U.S Amateur Team West | Woodland Hills, CA | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2358 | 3.00 | 5 | -0.19 | 15 | -2.85 | |
| | Garcia, Carlos | | | 2142 | CUB | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Maki, James J | f | | 2256 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Naroditsky, Daniel | f | | 2362 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Abrahamyan, Tatev | | wf | 2272 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Bryant, John Daniel | | | 2240 | USA | 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) | | |
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