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Individual Calculations July 2021 |
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| Narayanan, Samrug Total change: 80.40 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2100 | 2.00 | 7 | -0.23 | 40 | -9.20 | |
|  Bora, Safal | m | | 2395 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Cervantes, Thalia | f | wm | 2288 | USA | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Li, Eric Yuhan | f | | 2268 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Stevens, Matthew James | f | | 2237 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Andersen, Gunnar James | | | 2194 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Chubakov, Sultan | | | 2026 | KGZ | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Aaron, Deepak | | | 2296 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2100 | 4.00 | 8 | 2.24 | 40 | 89.60 | |
| | Tiglon, Bryce | m | | 2393 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Tello, Isaac | f | | 2283 | MEX | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Norowitz, Yaacov | m | | 2420 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Hong, Andrew | m | | 2453 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Torres, Luis Carlos | m | | 2375 | MEX | 0.00 | 1 | -0.17 | 40 | -6.80 | | | McCambridge, Vincent E | m | | 2287 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Velazquez Martinez, Josue | | | 2179 | MEX | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Costello, Alexander John | m | | 2259 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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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