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Individual Calculations October 2021 |
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| Winslow, Elliott Total change: -6.60 | |   |
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| 2021 IM John Grefe Marathon | Berkeley, California | USA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 2158 | 5.00 | 5 | 1.16 | 20 | 23.20 | |
|  Lesquillier, Walter | | | 1758 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Busch, Jonah | | | 1838 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Svoboda, Steven | | | 1807 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Walder, Michael | | | 1953 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Erdene, Baasansuren | f | | 2229 | MGL | 1.00 | 1 | 0.60 | 20 | 12.00 | | | * 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) | | | | BayAreaChess 45th People's Tournament - M | Santa Clara, California | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 2165 | 3.50 | 7 | -1.49 | 20 | -29.80 | |
| | Deng, Henry | | | 1800 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Sairam, Pranav | | | 1956 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Penagalapati, Abhi | | | 2059 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Kaleeswaran, Jaisu | | | 1863 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Mei, Austin R | | | 1980 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Finkelstein, Alan | | | 1832 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Katz, Alexander | m | | 2396 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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