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Individual Calculations March 2011 |
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| Steinfl, Alessandro Total change: 2.70 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2211 | 1.50 | 5 | -0.45 | 15 | -6.75 | |
|  Itkin, David | | | 1829 | CAN | 0.50 | 1 | -0.41 | 15 | -6.15 | |  Gurevich, Dmitry | g | | 2469 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Abrahamyan, Tatev | | wf | 2355 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Amanov, Mesgen | g | | 2506 | TKM | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Liu, Elliott Joseph | f | | 2284 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2284 | 2209 | 4.00 | 7 | 1.10 | 15 | 16.50 | |
| | Haring, Ruth Inez | | wm | 1968 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Bojkov, Dejan | g | | 2544 | BUL | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Stopa, Jacek | m | | 2451 | POL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | De Guzman, Ricardo | m | | 2386 | PHI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Amanov, Zhanibek | m | | 2421 | KAZ | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Sevian, Samuel | | | 2108 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Heiserman, Jimmy P | | | 2107 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | Jimmy Quon Memorial | Los Angeles, California | USA | 2011-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2444 | 2209 | 2.00 | 9 | 0.08 | 15 | 1.20 | |
| | Bojkov, Dejam | g | | 2544 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Adamson, Robby | f | | 2349 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Paragua, Mark C | g | | 2521 | PHI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Molner, Mackenize | m | | 2458 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Stopa, Jacek | m | | 2451 | POL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Taylor, Timothy W | m | | 2314 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Naroditsky, Daniel | f | | 2419 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Amanov, Zhanibek | m | | 2421 | KAZ | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 28th Annual US Amateur Team Championship - West | Woodland Hills, California | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2209 | 1.50 | 3 | -0.55 | 15 | -8.25 | |
| | Lawrence, Danyul | | | 2051 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Akopian, Robert | | | 2106 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Krishnan, Varun | | | 2060 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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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