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Individual Calculations February 2015 |
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| Dvoirys, Semen I. Total change: 12.30 | |   |
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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 |
| 2517 | 2566 | 3.00 | 4 | 0.75 | 10 | 7.50 | |
|  Alterman, Boris | g | | 2587 | ISR | 0.50 | 1 | 0.03 | 10 | 0.30 | |  Roiz, Michael | g | | 2592 | ISR | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Shvidler, Eliahu | m | | 2397 | ISR | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Zifroni, Dov | g | | 2491 | ISR | 1.00 | 1 | 0.40 | 10 | 4.00 | |
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) | | | | Jeruchess Four Seasons International Winter 2015 GM | Jerusalem | ISR | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2437 | 2566 | 6.50 | 9 | 0.48 | 10 | 4.80 | |
| | Norowitz, Yaacov | m | | 2421 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Nakar, Eylon | m | | 2419 | ISR | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Aharon, Ofir | f | | 2343 | ISR | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Baron, Tal | g | | 2502 | ISR | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Rozentalis, Eduardas | g | | 2577 | LTU | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Kobo, Ori | f | | 2412 | ISR | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Givon, Asaf | m | | 2447 | ISR | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Battaglini, Gabriel | m | | 2461 | FRA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Veinberg, Nimrod | f | | 2353 | ISR | 0.50 | 1 | -0.27 | 10 | -2.70 | |
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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