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Individual Calculations February 2018 |
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| Taghizadeh, Rayan Total change: -19.40 | |   |
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| 27th Annual North American Open | Las Vegas, Nevada | USA | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2346 | 5.00 | 9 | 0.25 | 20 | 5.00 | |
|  Johnston, Daniel | | | 2022 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Paragua, Mark | g | | 2513 | PHI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Easton, Jack | | | 2110 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Moradiabadi, Elshan | g | | 2528 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Norowitz, Yaacov | m | | 2423 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Mitkov, Nikola | g | | 2461 | MKD | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Samsonkin, Artiom | m | | 2407 | CAN | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Lehmann, Spencer | | | 2209 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Kung, Thomas | | | 2188 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 2018 New Year Open Championship | Santa Clara, California | USA | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2346 | 2.50 | 3 | -0.22 | 20 | -4.40 | |
| | Wu, Sijing | | | 1980 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Wang, Henry | | | 1946 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maiti, Milind | | | 1974 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | * 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) | | | | 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2346 | 3.00 | 5 | -1.00 | 20 | -20.00 | |
| | Perepelitsky, Phillip | | | 2095 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Kolay, Alex | | | 2034 | USA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Srihari, Pranav | | | 1963 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Chambers, Ezra Pau | f | | 2147 | BDI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Showalter, Trevor | | | 2227 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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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