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Individual Calculations February 2020 |
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| Bryant, Richard B E Total change: -34.80 | |   |
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| Shropshire Chess Congress 2020 Open | Telford | ENG | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1849 | 1.50 | 4 | -0.03 | 20 | -0.60 | |
|  Sygnowski, Tomasz | | | 2173 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Mason, Donald J | | | 2080 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ross, Stuart | | | 1643 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Gostelow, David W | | | 1901 | ENG | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | 2019/20 4NCL Div 3 North Rounds 3 - 4 | Bolton | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1849 | 1.00 | 2 | -0.32 | 20 | -6.40 | |
| | Grindrod, John | | | 1653 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Flint, Martina | | | 1802 | GER | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs A | Gibraltar | ENG | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1849 | 1.00 | 4 | -2.29 | 20 | -45.80 | |
| | Clare, Steve | | | 1632 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Naldrett, Geoffrey | | | 1526 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Hudson, Jeremy | | | 1570 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Kearsley, Raymond J | | | 1611 | ENG | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1849 | 4.00 | 5 | 0.90 | 20 | 18.00 | |
| | Kearsley, Raymond J | | | 1611 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Martos Amiguet, Valentina | | | 1745 | ESP | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Dragic, Dragan | | | 1781 | SRB | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Anjali, R. Sagar | | | 1775 | IND | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Nwachukwu, Chino | | | 1868 | NGR | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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