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Individual Calculations September 2021 |
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| Rozen, Eytan Total change: 16.50 | |   |
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| GM Round Robin "Orbis-4 2021" | Paracin | SRB | 2021-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2383 | 2386 | 5.00 | 9 | 0.48 | 10 | 4.80 | |
|  Simantsev, Mikhail | g | | 2398 | UKR | 1.00 | 1 | 0.52 | 10 | 5.20 | |  Kosic, Dragan | g | | 2419 | MNE | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Abergel, Thal | g | | 2414 | FRA | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Ohanyan, Emin | f | | 2324 | ARM | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Ramoutar, Alan-Safar | m | | 2344 | TTO | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Prilleltensky, Matan | | | 2131 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Vatsal, Singhania | f | | 2371 | IND | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Aditya, Mittal | m | | 2438 | IND | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Safarli, Eltaj | g | | 2604 | AZE | 0.00 | 1 | -0.22 | 10 | -2.20 | |
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) | | | | Maccabi Ramat Gan Chess Championship 2021 A | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2372 | 4.00 | 5 | 0.86 | 10 | 8.60 | |
| | Zemach, Nadav | | | 2146 | ISR | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Zemach, Roee | f | | 2247 | ISR | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Levin, Guy | f | | 2354 | ISR | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Ribshtein, Nati | m | | 2281 | ISR | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Shohat, Yotam | f | | 2351 | ISR | 0.50 | 1 | -0.03 | 10 | -0.30 | |
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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2372 | 3.50 | 5 | 0.31 | 10 | 3.10 | |
| | Frankental, David | | | 1972 * | BRA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Duchan, Yoav | | | 1972 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dvoirys, Semen I. | g | | 2442 | RUS | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Ben Ari, Yannay | f | | 2396 | ISR | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Veinberg, Nimrod | m | | 2385 | ISR | 0.00 | 1 | -0.48 | 10 | -4.80 | | | * 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) | | |
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