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Individual Calculations March 2010 |
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| Kretchetov, Alexander Total change: 0.75 | |   |
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| 19th Annual North American Open | Las Vegas, Nevada | USA | 2009-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2395 | 4.00 | 6 | 0.07 | 15 | 1.05 | |
|  Rabin, Evan Z | | | 2021 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Liou, Yian | | | 2208 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Karklins, Andrew | f | | 2198 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Young, Gregory | | | 2264 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Adamson, Robby | f | | 2303 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Mikhalevski, Victor | g | | 2607 | ISR | 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) | | | | 2010 Century West Open | Los Angeles, California | USA | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2393 | 2.50 | 3 | 0.18 | 15 | 2.70 | |
| | Norman, Roger | | | 2192 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Sevian, Samuel | | | 2119 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Ashe, Brandon | | | 2220 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | Golden State Open | Concord, California | USA | 2010-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2393 | 3.00 | 3 | 0.80 | 15 | 12.00 | |
| | Kelson, Richard | f | | 2259 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Liou, Yian | | | 2182 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Chen, Howard J | | | 2198 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 27th Annual US Amateur Team West | Woodland Hills, California | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2393 | 2.50 | 5 | -1.00 | 15 | -15.00 | |
| | Lee, Andy C | | | 2273 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Durham, Dan | f | | 2227 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Banawa, Joel | f | | 2351 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Kudryavtsev, Vadim | | | 2215 | RUS | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Faber, Craig Allen | | | 2115 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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