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Individual Calculations October 2021 |
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| John, Maxamillian Total change: 12.20 | |   |
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| Coulsdon Chess Dicky White S1 SEP 2021 | London | ENG | 2021-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1494 | 1.00 | 2 | -0.29 | 40 | -11.60 | |
|  Howes, David J | | | 1301 | ENG | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Corner, Mike | | | 1467 | ENG | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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) | | | NOTE: K factor changed | | Coulsdon Chess Daytime Chess Autumn 2021 S1 SEP 2021 | London | ENG | 2021-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1301 | 1494 | 1.00 | 1 | 0.25 | 20 | 5.00 | |
| | Howes, David J | | | 1301 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | NOTE: K factor changed | | Coulsdon Chess Standardplay Congress - Premier | London | ENG | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1494 | 2.50 | 4 | 0.94 | 20 | 18.80 | |
| | Bloom, Paul | | | 1525 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Price, Michael C | | | 1747 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Fernandes, Aaron | | | 1531 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Warner, Dominic W J | | | 1524 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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