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Individual Calculations September 2015 |
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| Walker, Samuel A Total change: 61.80 | |   |
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| 102nd British Chess Championships Week 1 PM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1960 | 4.00 | 5 | 1.60 | 20 | 32.00 | |
|  Wu, Haotian | | | 1782 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Hanscombe, Richard | | | 1757 | WLS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | James, Russell A | | | 2180 | ENG | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Kett, Tim | | | 2219 | WLS | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Freeland, Alex | | | 1952 | WLS | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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) | | | | 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 1960 | 3.50 | 5 | 1.49 | 20 | 29.80 | |
| | Mao, Ximan | | | 1763 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Carleton, John J | | | 2273 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Ackley, Peter J E | | | 2026 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Forman, Karl L | | | 2021 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Dargan, Paul A G | c | | 2116 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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