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Rapid:
Individual Calculations October 2021 |
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| Lake, Chris Total change: -22.60 | |   |
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| Golders Green FIDE Rapidplay - SEP1 Open | London | ENG | 2021-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1211 | 1552 | 2.00 | 4 | -1.48 | 20 | -29.60 | |
|  Verbytski, Oleg | | | 1103 | ENG | 0.00 | 1 | -0.94 | 20 | -18.80 | |  Barbier-Ramaiah, Riya Aude | | | 1136 | ENG | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Tree, Djuna | | | 1252 | ENG | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Han, Qixuan | | | 1354 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | Golders Green FIDE Rapidplay - SEP2 Open | London | ENG | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1552 | 2.00 | 4 | 0.35 | 20 | 7.00 | |
| | Tree, Djuna | | | 1252 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Peck, William | | | 1810 | ENG | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Ortiz Sanchez, Luis | | | 1890 | ESP | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Tomy, Jeff | | | 1550 | ENG | 0.00 | 1 | -0.50 | 20 | -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) | | |
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