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Individual Calculations April 2009 |
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| Baron, Tal Total change: 79.65 | |   |
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| Israel U20 League 2009 | Various | ISR | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2299 | 4.00 | 7 | -0.05 | 15 | -0.75 | |
|  Sartena, Arnon | | | 2115 | ISR | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Ben Porat, Or | | | 2170 | ISR | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Aharon, Ofir | | | 2118 | ISR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Bykhovsky, Anatoly | f | | 2447 | ISR | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Ben Artzi, Ido | | | 2088 | ISR | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Nabaty, Tamir | | | 2456 | ISR | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Galburd, Yan | | | 2267 | ISR | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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) | | | | Stav 2008 Mark Centre | Tel Aviv | ISR | 2008-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2299 | 4.00 | 4 | 1.75 | 15 | 26.25 | |
| | Shlam, Yehuda | | | 2147 | ISR | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Blodstein, B. | | | 2186 | ISR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Neimer, Vitaly | | | 2336 | ISR | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Shutzman, Joseph | f | | 2333 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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) | | | | Ashdod Festival 2008 | Ashdod | ISR | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2492 | 2299 | 3.50 | 6 | 1.98 | 15 | 29.70 | |
| | Kovalev, Andrei | g | | 2549 | BLR | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Kantsler, Boris | g | | 2491 | ISR | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Tseitlin, Mark D | g | | 2436 | ISR | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Livshits, Gaby | m | | 2426 | ISR | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Dvoirys, Semen I. | g | | 2552 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gruenfeld, Yehuda | g | | 2498 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 25e open international de Cappelle | Cappelle la Grande | FRA | 2009-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2382 | 2332 | 5.50 | 9 | 1.63 | 15 | 24.45 | |
| | Naumkin, Igor | g | | 2501 | RUS | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Green, Andrew D | | | 2136 | SCO | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Kiselev, Vitaliy | g | | 2539 | RUS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Sergeev, Vladimir | g | | 2514 | UKR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Vorobiov, Evgeny E | g | | 2591 | RUS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Manet, Eric | | | 2008 | FRA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Heberla, Bartlomiej | g | | 2500 | POL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Riff, Jean-Noel | m | | 2520 | FRA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Marchyllie, Bruno | | | 2132 | FRA | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | |
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