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Individual Calculations September 2021 |
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| Gelfand, Boris Total change: 4.80 | |   |
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| World Cup 2021 | Sochi | RUS | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2657 | 2675 | 2.50 | 4 | 0.40 | 10 | 4.00 | |
|  Braun, Arik | g | | 2609 | GER | 1.00 | 1 | 0.41 | 10 | 4.10 | |  Braun, Arik | g | | 2609 | GER | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Artemiev, Vladislav | g | | 2704 | RUS | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Artemiev, Vladislav | g | | 2704 | RUS | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | Biel Chess Festival 2021 - GMT | Biel | SUI | 2021-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2632 | 2675 | 4.00 | 7 | 0.08 | 10 | 0.80 | |
| | Pichot, Alan | g | | 2630 | ARG | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Nihal, Sarin | g | | 2620 | IND | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Keymer, Vincent | g | | 2591 | GER | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Kamsky, Gata | g | | 2658 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Lagarde, Maxime | g | | 2648 | FRA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Alekseenko, Kirill | g | | 2699 | RUS | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Studer, Noel | g | | 2581 | SUI | 1.00 | 1 | 0.37 | 10 | 3.70 | |
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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