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Individual Calculations February 2015 |
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| Aharon, Ofir Total change: -31.60 | |   |
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| National Team Championship 2015 Round 1-4 | various | ISR | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2348 | 2343 | 1.50 | 3 | 0.02 | 20 | 0.40 | |
|  Botvinnik, Mikhail | | | 2344 | ISR | 0.50 | 1 | 0.00 | 20 | 0.00 | |  Ben Artzi, Ido | f | | 2414 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Chernomordik, Pavel | f | | 2287 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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) | | | | Jeruchess Four Seasons International Winter 2015 GM | Jerusalem | ISR | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2462 | 2343 | 1.50 | 9 | -1.60 | 20 | -32.00 | |
| | Givon, Asaf | m | | 2447 | ISR | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Battaglini, Gabriel | m | | 2461 | FRA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Dvoirys, Semen I. | g | | 2566 | RUS | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Norowitz, Yaacov | m | | 2421 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Nakar, Eylon | m | | 2419 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Veinberg, Nimrod | f | | 2353 | ISR | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Baron, Tal | g | | 2502 | ISR | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Rozentalis, Eduardas | g | | 2577 | LTU | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Kobo, Ori | f | | 2412 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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