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Individual Calculations February 2015 |
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| Nakar, Eylon Total change: 15.70 | |   |
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| Schaakfestival Groningen 2014 Open A | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2419 | 6.00 | 9 | 0.60 | 10 | 6.00 | |
|  Theulings, Paul-Peter | c | | 2132 | NED | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Ebralidze, Alexandre | | | 2128 | GEO | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Bok, Benjamin | g | | 2572 | NED | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Ipatov, Alexander | g | | 2599 | TUR | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Alsina Leal, Daniel | g | | 2540 | ESP | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Baskin, Robert | | | 2287 | GER | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Sreeves, Clement | | | 2284 | SCO | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Van Osch, Mees | | | 2261 | NED | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Lyell, Mark | f | | 2236 | ENG | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | | | National Team Championship 2015 Round 1-4 | various | ISR | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2419 | 3.00 | 3 | 1.05 | 10 | 10.50 | |
| | Klenburg, Mikhail | m | | 2377 | ISR | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Bakalchuk, Johnatan | f | | 2286 | ISR | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Zaltz, Dov | f | | 2262 | ISR | 1.00 | 1 | 0.29 | 10 | 2.90 | |
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 |
| 2454 | 2419 | 4.00 | 9 | -0.08 | 10 | -0.80 | |
| | Battaglini, Gabriel | m | | 2461 | FRA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Dvoirys, Semen I. | g | | 2566 | RUS | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Norowitz, Yaacov | m | | 2421 | USA | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Veinberg, Nimrod | f | | 2353 | ISR | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Aharon, Ofir | f | | 2343 | ISR | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Baron, Tal | g | | 2502 | ISR | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Rozentalis, Eduardas | g | | 2577 | LTU | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Kobo, Ori | f | | 2412 | ISR | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Givon, Asaf | m | | 2447 | ISR | 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) | | |
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