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Individual Calculations May 2012 |
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| Ryan, Porter Total change: -4.35 | |   |
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| 2012 Winter Chess Championship | Fremont, California | USA | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2242 | 1.00 | 2 | 0.23 | 15 | 3.45 | |
|  Ricardo, De Guzman | m | | 2393 | PHI | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Raymond, Kaufman | m | | 2261 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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) | | | | 2012 Bay Area Spring Open | Milpitas, California | USA | 2012-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2242 | 2.50 | 3 | 0.18 | 15 | 2.70 | |
| | Iyengar, Udit | | | 2003 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Liu, Daniel | | | 2087 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Viswanadha, Kesav | | | 1988 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 2012 NorCal March FIDE Qualifier | Fremont, California | USA | 2012-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 2242 | 1.00 | 2 | -0.70 | 15 | -10.50 | |
| | Banik, Siddharth | | | 1949 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Panchanatham, Vignesh | | | 1942 | USA | 0.00 | 1 | -0.85 | 15 | -12.75 | |
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) | | |
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