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Individual Calculations June 2023 |
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| Baer, Bruce L Total change: 42.40 | |   |
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| 2022/23 4NCL Division 3 West Rounds 9-11 | Warwick | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1963 | 2.00 | 2 | 1.24 | 20 | 24.80 | |
|  Mazek, Marek | | | 2017 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | |  Shaw, Peter | | | 2079 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1950 | 3.00 | 5 | 1.71 | 20 | 34.20 | |
| | Willmoth, Robert F | c | | 2135 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Arkell, Keith C | g | | 2390 | ENG | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Wells, Peter K | g | | 2356 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ireland, David J | | | 1911 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Thompson, Ian D | f | | 2064 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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) | | | | 2023 Kenilworth Open | Kenilworth | ENG | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1950 | 3.50 | 5 | 1.14 | 20 | 22.80 | |
| | Ward, Cian | | | 1550 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Burrows, Martin P | | | 2131 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Khoury, Theo | | | 2014 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | James, Russell A | | | 2049 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Sagyaman, Francis W | | | 2012 | PHI | 1.00 | 1 | 0.59 | 20 | 11.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | English Championships 2023 | Kenilworth | ENG | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1950 | 1.00 | 6 | -1.97 | 20 | -39.40 | |
| | Willow, Jonah B | m | | 2450 | ENG | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Liu, Tianyi (jack) | | | 1915 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Watson, Jacob | | | 1886 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Siddharth, Gopakumar | | | 1890 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Green, Michael | | | 1917 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Gibson, Christopher A | | | 1836 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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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