| Season | Event | The team | Rating | Result | ||
|---|---|---|---|---|---|---|
| 2008 | championship age 10 2008 | Mahalahim Bet age 10 Netanya | 1273 | +2 | =1 | -1 |
| 2008 | Gimel Netanya 2008 | "Mahalahim" Netanya Gimel | 1273 | =5 | -5 | |
| 2007 | Gimel Netanya | "Mahalahim" Netanya Alef | 1204 | +1 | -1 | |
| Season | Event | Round | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 2008 | championship age 10 2008 | 5.3 | Kupervasser (1317) | 1 | 0 | Ostrovskiy (1273) | |||
| 2008 | championship age 10 2008 | 4.3 | Ostrovskiy (1273) | 0.5 | 0.5 | Rozen (1209) | |||
| 2008 | championship age 10 2008 | 3.3 | Ben-Shoshan (1271) | 0 | 1 | Ostrovskiy (1273) | |||
| 2008 | championship age 10 2008 | 1.4 | Ostrovskiy (1273) | 1 | 0 | Klener (1200) | |||
| 2008 | Gimel Netanya 2008 | 16.4 | Poleg (1252) | 0.5 | 0.5 | Ostrovskiy (1273) | |||
| 2008 | Gimel Netanya 2008 | 15.4 | Poleg (1252) | 1 | 0 | Ostrovskiy (1273) | |||
| 2008 | Gimel Netanya 2008 | 14.4 | Ostrovskiy (1273) | 0 | 1 | Abramov (1484) | |||
| 2008 | Gimel Netanya 2008 | 13.4 | Ostrovskiy (1273) | 0 | 1 | Abramov (1484) | |||
| 2008 | Gimel Netanya 2008 | 12.3 | Ostrovskiy (1273) | 0.5 | 0.5 | Burshteyn (1200) | |||
| 2008 | Gimel Netanya 2008 | 11.3 | Ostrovskiy (1273) | 0.5 | 0.5 | Burshteyn (1200) | |||
| 2008 | Gimel Netanya 2008 | 10.4 | Ostrovskiy (1273) | 0.5 | 0.5 | Vaknin (1200) | |||
| 2008 | Gimel Netanya 2008 | 9.4 | Ostrovskiy (1273) | 0.5 | 0.5 | Vaknin (1200) | |||
| 2008 | Gimel Netanya 2008 | 2.3 | Monteriano (1511) | 1 | 0 | Ostrovskiy (1273) | |||
| 2008 | Gimel Netanya 2008 | 1.3 | Monastyrskiy (1400) | 1 | 0 | Ostrovskiy (1273) | |||
| 2007 | Gimel Netanya | 18.1 | Tsion (1200) | 1 | 0 | Ostrovskiy (1204) | |||
| 2007 | Gimel Netanya | 17.1 | Tsion (1200) | 0 | 1 | Ostrovskiy (1204) | |||
| Event | Date | Calculation date | Previous rating | Opponent rating | Coefficient | Points | Rating change | New rating |
|---|---|---|---|---|---|---|---|---|
| Or Akiva preliminary Gil 9 | 2007/10/02 | 2007/12/31 | 1273 | 1318 | 11 | 1/4 | -14.94 | 1,258.06 |
| Gimel Netanya 2008 round 1 | 2008/01/03 | 2008/03/31 | 1273 | 1400 | 11 | 0/1 | -6.99 | 1,266.01 |
| Gimel Netanya 2008 round 2 | 2008/01/03 | 2008/03/31 | 1273 | 1523 | 11 | 0/1 | -3.61 | 1,262.39 |
| Gimel Netanya 2008 round 13 | 2008/03/27 | 2008/03/31 | 1273 | 1453 | 11 | 0/1 | -5.54 | 1,256.86 |
| Gimel Netanya 2008 round 14 | 2008/03/27 | 2008/03/31 | 1273 | 1453 | 11 | 0/1 | -5.54 | 1,251.32 |
| Gimel Netanya 2008 round 15 | 2008/04/10 | 2008/06/30 | 1273 | 1252 | 11 | 0/1 | -11.06 | 1,261.94 |
| Gimel Netanya 2008 round 16 | 2008/04/10 | 2008/06/30 | 1273 | 1252 | 11 | .5/1 | -.06 | 1,261.87 |
| Alifut Gil 10 2008 round 1 | 2008/06/10 | 2008/06/30 | 1273 | 1200 | 8 | 1/1 | 7.05 | 1,268.93 |
| Alifut Gil 10 2008 round 3 | 2008/06/10 | 2008/06/30 | 1273 | 1271 | 8 | 1/1 | 8.47 | 1,277.40 |
| Alifut Gil 10 2008 round 4 | 2008/06/10 | 2008/06/30 | 1273 | 1200 | 8 | .5/1 | -.95 | 1,276.45 |
| Alifut Gil 10 2008 round 5 | 2008/06/10 | 2008/06/30 | 1273 | 1267 | 8 | 0/1 | -7.61 | 1,268.85 |
| Event | Date | Rating | Points | Place |
|---|---|---|---|---|
| Israel Chess Championship under age 8, 2007 | 2007/04/01 | 1204 | 4/6 | 14-28 |