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Individual Calculations July 2023 |
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| Howes, David J Total change: 17.20 | |   |
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| Coulsdon Chess Daytime Chess Club Summer Term 2023 June | Coulsdon | ENG | 2023-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1330 | 2.00 | 4 | 0.38 | 20 | 7.60 | |
|  Wimble, Garry | | | 1073 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Crompton, Robert | | | 1478 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Clayton, David C | | | 1470 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Woolacott, Rob | | | 1577 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | Coulsdon Chess Summer Cup 2023 - U1750 Round 1 - June | Coulsdon | ENG | 2023-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1318 | 0.00 | 1 | -0.32 | 20 | -6.40 | |
| | Morris-Weston, Robin T | | | 1450 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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 Summer Cup 2023 - U1500 Round 1 - June | Coulsdon | ENG | 2023-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1318 | 2.50 | 3 | 0.80 | 20 | 16.00 | |
| | Thorpe, Mason | | | 1106 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Gillespie, Frank | | | 1336 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Miles, Barry S | | | 1349 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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) | | |
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