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Individual Calculations February 2018 |
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| Kett, Tim Total change: 10.80 | |   |
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| South Wales New Year Open 2018 | Bridgend | WLS | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2223 | 4.00 | 5 | -0.12 | 20 | -2.40 | |
|  Taylor, Robert Graham | | | 1927 | WLS | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Timmins, Chris P | | | 1823 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stuart, Neil | | | 1823 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Young, Alan | | | 2023 | WLS | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Bullen, Alex | | | 2098 | WLS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | | | 2018/19 4NCL Div 1 Rounds 3-4 | Solihull | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2223 | 1.50 | 2 | 0.20 | 20 | 4.00 | |
| | Ivanov, Elizabeth | | | 1823 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Povah, Nigel E | m | | 2310 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | * 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) | | | | Welsh Chess Premier League 2017/18 Round 3 | Neath | WLS | 2018-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2223 | 1.00 | 1 | 0.46 | 20 | 9.20 | |
| | Phillips, Roy | f | | 2195 | MRI | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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