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Individual Calculations November 2023 |
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| Kogan, Mark Leo Total change: 25.60 | |   |
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| 12th annual Hartford Open - U2100 | Windsor Locks, CT | USA | 2023-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1447 | 1510 | 3.00 | 4 | 0.78 | 40 | 31.20 | |
|  Narayanan, Krishna | | | 1511 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | |  Zhou, Abigail | | | 1550 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Qiao, Richardson Jingsi | | | 1615 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Alluri, Samanyu | | | 1110 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 27th annual Eastern Chess Congress - U2100 | Princeton, NJ | USA | 2023-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1510 | 2.00 | 5 | -0.14 | 40 | -5.60 | |
| | Cui, Chris | | | 1318 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Lawson, Brian | | | 1881 | USA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Levin, Eric | | | 1798 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Kumar, Rohan | | | 1691 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Ayyappan, Anushka | | | 1184 | IND | 0.00 | 1 | -0.87 | 40 | -34.80 | |
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) | | |
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