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Individual Calculations March 2011 |
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| Bryant, John Daniel Total change: 15.10 | |   |
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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 |
| 2161 | 2414 | 3.50 | 4 | 0.28 | 10 | 2.80 | |
|  Perepelitsky, Edward | | | 2153 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | |  Iinuma, Paul Y | | | 2053 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Wang, Kevin | | | 2176 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Langer, Michael | f | | 2261 | USA | 1.00 | 1 | 0.30 | 10 | 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) | | | | 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2317 | 2403 | 4.50 | 5 | 1.58 | 10 | 15.80 | |
| | Seitzer, Phillip | | | 2003 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kudryavtsev, Vadim | | | 2131 | RUS | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Bojkov, Dejan | g | | 2544 | BUL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Flores, Mauricio | g | | 2519 | CHI | 1.00 | 1 | 0.66 | 10 | 6.60 | | | De Guzman, Ricardo | m | | 2386 | PHI | 1.00 | 1 | 0.48 | 10 | 4.80 | | | * 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) | | | | 37th Annual Peoples Tournament | Fremont, California | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2403 | 1.00 | 2 | -0.35 | 10 | -3.50 | |
| | Panchanatham, Vignesh | | | 2003 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Stopa, Jacek | m | | 2451 | POL | 0.00 | 1 | -0.43 | 10 | -4.30 | | | * 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) | | |
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