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Individual Calculations September 2021 |
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| Nihal, Sarin Total change: -2.90 | |   |
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| World Cup 2021 | Sochi | RUS | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2598 | 2620 | 3.50 | 6 | 0.36 | 10 | 3.60 | |
|  Ssegwanyi, Arthur | m | | 2409 | UGA | 1.00 | 1 | 0.23 | 10 | 2.30 | |  Ssegwanyi, Arthur | m | | 2409 | UGA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Sjugirov, Sanan | g | | 2661 | RUS | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Sjugirov, Sanan | g | | 2661 | RUS | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Andreikin, Dmitry | g | | 2724 | RUS | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Andreikin, Dmitry | g | | 2724 | RUS | 0.50 | 1 | 0.14 | 10 | 1.40 | |
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 |
| 2640 | 2620 | 3.00 | 7 | -0.30 | 10 | -3.00 | |
| | Alekseenko, Kirill | g | | 2699 | RUS | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Gelfand, Boris | g | | 2675 | ISR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Pichot, Alan | g | | 2630 | ARG | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Studer, Noel | g | | 2581 | SUI | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Keymer, Vincent | g | | 2591 | GER | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Kamsky, Gata | g | | 2658 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Lagarde, Maxime | g | | 2648 | FRA | 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) | | | | Riga Technical University Open 2021 - Tournament A | Riga | LAT | 2021-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2489 | 2655 | 6.00 | 9 | -0.35 | 10 | -3.50 | |
| | Kanyamarala, Trisha | | wm | 2255 * | IRL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dudin, Gleb | f | | 2422 | RUS | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Raja, Harshit | m | | 2486 | IND | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Erigaisi, Arjun | g | | 2597 | IND | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Hakobyan, Aram | g | | 2612 | ARM | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Pultinevicius, Paulius | g | | 2528 | LTU | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Grigorov, Grigor | g | | 2507 | BUL | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Budisavljevic, Luka | g | | 2495 | SRB | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Arjun, Kalyan | m | | 2503 | IND | 0.50 | 1 | -0.20 | 10 | -2.00 | | | * 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) | | |
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