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Individual Calculations August 2021 |
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| Nandhakumar, Vaseegaran Total change: 218.80 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1567 | 4.00 | 7 | 3.21 | 40 | 128.40 | |
|  Ture, Taner | | | 1967 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Tica, Juan P | | | 1900 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Jiang, Brandon | | | 1954 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Levine, Joseph | | | 1967 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bhatia, Aadit | | | 1857 | IND | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Espinosa, Pedro | | | 1831 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Farberov, Maxim | | | 1967 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | 4th Annual Queen City of the Prairie Open and Fort Worth Championship | Fort Worth, Texas | USA | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1567 | 3.00 | 5 | 1.54 | 40 | 61.60 | |
| | Koloen, Preston | | | 1611 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Kushalnagar, Nirupam | | | 1614 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Nair, Ajitesh | | | 1628 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Deatrick, Alexander | | | 1958 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Root, Alexey Wilhelmina | | wm | 1967 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | 2021 US Class Championships - Master | Houston, Texas | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1567 | 1.50 | 3 | 1.22 | 40 | 48.80 | |
| | Liu, Eric Chang | | | 1909 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Deviprasath, Sharvesh | | | 1967 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Serna, Jeffrey | | | 1967 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | 2021 US Class Championships - Expert | Houston, Texas | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1567 | 0.00 | 1 | -0.50 | 40 | -20.00 | |
| | Melillo, Lucius | | | 1566 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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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