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Individual Calculations January 2018 |
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| Perepelitsky, Phillip Total change: -4.80 | |   |
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| Fall 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 2100 | 5.00 | 6 | 0.57 | 20 | 11.40 | |
|  Robertson, Guy R | | | 1700 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Poling, Scott | | | 1764 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Cheng, Alfonso | | | 1893 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Askin, Michael | | | 1954 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Stearman, Josiah | f | | 2187 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Clemens, Kristian | | | 1882 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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) | | | | 2017 Class Warfare Championship | Santa Clara, California | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2100 | 3.00 | 6 | -0.66 | 20 | -13.20 | |
| | Palusa, Maurya | | | 1717 | USA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Kaleeswaran, Jaisuraj | | | 1700 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhu, Jack | | | 2380 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Zielinski, Milosz | | | 1936 | POL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Sevillano, Enrico | g | | 2462 | USA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Vidyarthi, Vyom | | | 1808 | USA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * 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) | | | | Bay Area Chess Winter 2017 Championship | Milpitas, California | USA | 2017-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 2100 | 2.50 | 3 | -0.15 | 20 | -3.00 | |
| | Krishnakumar, Sriram | c | | 1768 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Boldi, Ethan | | | 1781 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Nathan, Krishna | | | 1731 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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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