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Individual Calculations September 2021 |
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| Tsay, Vincent Total change: -29.40 | |   |
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| 51st Annual Continental Open - Master | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2315 | 4.00 | 7 | -0.33 | 20 | -6.60 | |
|  Krishnakumar, Sriram | c | | 2026 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Paragua, Mark | g | | 2477 | PHI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Yanayt, Eugene | f | | 2099 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Mulyar, Michael A | m | | 2366 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Shanmugasundaram, Rajesh | | | 2150 | IND | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Bartell, Thomas | m | | 2354 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Singh, Hersh | | | 2052 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2315 | 5.00 | 9 | -1.14 | 20 | -22.80 | |
| | Reddy, Shreyas C | | | 1915 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Clasby, Derek | | | 2001 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Klein, Jack | | | 1918 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kung, Thomas | | | 2200 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Li, Eric Yuhan | f | | 2266 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Narayanan, Samrug | c | | 2245 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Mardov, Dimitar | f | | 2324 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Shen, Christopher | f | | 2346 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Atanasov, Anthony | f | | 2196 | CAN | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * 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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