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Individual Calculations September 2009 |
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| Lerner, Konstantin Z. Total change: -7.50 | |   |
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| Maccabiah 2009 Intl GM | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2456 | 2549 | 4.50 | 9 | -1.15 | 10 | -11.50 | |
|  Grunberg, Mihai-Lucian | m | | 2411 | ROU | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Diamant, Andre | g | | 2520 | BRA | 0.50 | 1 | -0.04 | 10 | -0.40 | |  Nabaty, Tamir | | | 2504 | ISR | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Caspi, Israel | m | | 2417 | ISR | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Porat, Ido | m | | 2425 | ISR | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Bykhovsky, Anatoly | m | | 2487 | ISR | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Sidorenko, Ilya | | | 2390 | ISR | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Gruenfeld, Yehuda | g | | 2490 | ISR | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Szuhanek, Ranko | m | | 2457 | ROU | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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) | | | | KFS Weekend 2009 | Kfar Saba | ISR | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2549 | 4.50 | 5 | 0.40 | 10 | 4.00 | |
| | Markovich, Gadi | | | 2173 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Shutzman, Joseph | f | | 2255 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Zaslavsky, Mikhail | f | | 2360 | ISR | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Botvinnik, Mikhail | | | 2344 | ISR | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Kaplivatski, Alexander | | | 2274 | ISR | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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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