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Individual Calculations October 2021 |
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| Lewis, Mark Mm. Total change: -6.40 | |   |
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| Western Cape Closed Championship | Stellenbosch | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1952 | 2.50 | 4 | -0.32 | 20 | -6.40 | |
|  Bhawoodien, Shabir Hussain | f | | 2045 | RSA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Goredema, Dione | | | 1762 | RSA | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Van Der Merwe, Alexander | | | 1655 | RSA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Ohlson, Cecil | | | 1657 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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