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Individual Calculations March 2010 |
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| Karklins, Andrew Total change: -13.95 | |   |
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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 |
| 2181 | 2198 | 2.50 | 6 | -0.60 | 15 | -9.00 | |
|  Fajardo, David A | | | 1798 * | HON | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Yermolinsky, Alex | g | | 2528 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Kretchetov, Alexander | f | | 2395 | RUS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Vulis, Daniel | | | 2100 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Heung, Christopher | | | 2049 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Cherniack, Alex | | | 2215 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2260 | 2230 | 2.00 | 5 | -0.33 | 15 | -4.95 | |
| | Gutman, Joshua | | | 2127 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Shankland, Samuel | m | | 2491 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Troff, Kayden W | | | 2227 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Liou, Yian | | | 2182 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Lee, Andy C | | | 2273 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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