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Individual Calculations July 2018 |
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| Dvorsky, David Total change: -76.60 | |   |
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| Herzliya Spring B 2018 | Herzliya | ISR | 2018-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1420 | 3.00 | 8 | -1.96 | 20 | -39.20 | |
|  Shalom, Gali | | | 1154 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Khatib, Mahmood | | | 1524 | ISR | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Kravchenko, Danny | | | 1341 | ISR | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Ron, Itay | | | 1155 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Amiel, Ran | | | 1342 | ISR | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Maor, Moshe | | | 1377 | ISR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Kinberg, Raz | | | 1242 | ISR | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Milatin, Zvi | | | 1457 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Kiryat Ono Spring 2018 B | Kiryat Ono | ISR | 2018-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1265 | 1420 | 2.00 | 4 | -0.72 | 20 | -14.40 | |
| | Lazevnikov, Yefim | | | 1498 | ISR | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Melchior, Eran | | | 1048 | ISR | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Arad, Daniel | | | 1313 | ISR | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Erenberg, Shmuel | | | 1201 | ISR | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | Mark Center Tuesdays Spring 2018 B | Tel Aviv | ISR | 2018-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1424 | 2.50 | 6 | -1.15 | 20 | -23.00 | |
| | Ron, Gil | | | 1417 | ISR | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Neumann, Itai | | | 1313 | ISR | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Weller, Tomer | | | 1475 | ISR | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Freiberg, Doron | | | 1072 | ISR | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Shamir, Uri | | | 1193 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Shiloah, Eylon | | | 1508 | ISR | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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