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Individual Calculations February 2024 |
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| Cawston, M John Total change: -50.80 | |   |
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| London Christmas Chess Congress 2023 - Major | Harrow | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1480 | 1667 | 2.00 | 6 | -2.44 | 20 | -48.80 | |
|  Katukuri, Aarav | | | 1389 | ENG | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Dong, Yixuan | | | 1513 | ENG | 0.00 | 1 | -0.71 | 20 | -14.20 | |  Cuthbert, Larissa | | | 1502 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Croasdale, Mark | | | 1490 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Beattie, Conor | | | 1533 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Pradhan, Ayan | | | 1454 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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) | | | | 31st 4NCL Congress Under 2000 | Harrogate | ENG | 2024-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 1667 | 1.50 | 4 | -0.10 | 20 | -2.00 | |
| | Obi, Okwose Marc | | | 1733 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Waters, Andrew C | | | 1804 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Kenning, Paul H | | | 1670 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Jones, Neil T | | | 1761 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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) | | |
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