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Individual Calculations September 2023 |
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| Starley, Robert Total change: 8.20 | |   |
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| 2023 British Championship | Leicester | ENG | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2064 | 3.50 | 9 | -0.75 | 20 | -15.00 | |
|  Dong, Bao Nghia | f | | 2327 | VIE | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Ismail, Mohammed Aayan | | | 2169 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Burrows, Martin P | | | 2101 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Kolbus, Dietmar | m | | 2270 | IOM | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Midhun, P U | | | 2168 | IND | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Weersing, Abigail Riis | | | 1919 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Pert, Nina | | wc | 2022 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Cox, Toby | | | 1967 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Gardiner, Eric D | | | 1843 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | 51st Thanet and East Kent Chess Congress - Open | Sandwich | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2064 | 3.50 | 5 | 1.16 | 20 | 23.20 | |
| | Howells, S Wyn | | | 1673 | WLS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Murphy, Conor E | m | | 2458 | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hayward, Philip | | | 2018 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Merry, Alan B | m | | 2445 | ENG | 0.50 | 1 | 0.41 | 20 | 8.20 | | | De Coverly, Roger D | | | 1917 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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