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Individual Calculations March 2023 |
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| Howes, David J Total change: 8.00 | |   |
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| Coulsdon Chess Dicky White - February | London | ENG | 2023-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1323 | 1.50 | 3 | -0.02 | 20 | -0.40 | |
|  Raikundalia, Krishna | | | 1459 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Gray, David | | | 1002 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Kumar, Sachin | | | 1447 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | Coulsdon Chess Daytime Chess February 2023 | Coulsdon | ENG | 2023-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1341 | 2.00 | 3 | 0.42 | 20 | 8.40 | |
| | Miles, Barry S | | | 1403 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Wimble, Garry | | | 1107 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Bermudez, Venerando | | | 1429 | ENG | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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) | | |
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