Round of 16 of the National Chess Championship, Group1
Round-RobinStandard
8 players participated in this 7-round tournament, held from 17 Sept 2025 to 20 Dec 2025 in Kfar Saba, Israel. 2 federations represented. Top 10 Elo average was 1655, and top seed was Oz Shemer (🇮🇱 ISR, 1800).
Oz Shemer (🇮🇱 ISR, 1800) won with 6.5/7, ahead of Eitan Ben Aharon (5.0) and Zivi Zuker (4.0).
Location
🇮🇱Kfar Saba, Israel
Dates
17 Sept 2025 → 20 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 7 rounds
Federations · 2 represented
🇮🇱Israel×7
🇰🇷South Korea×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 7 roundsOz Shemer led from R3 onwards, the runner-up race stayed tight.
Co-leaders
3
1
1
1
1
1
1
R3 · LEADER CHANGE25 Oct
Oz Shemer takes the sole lead (2.5/3).
R6 · DECISIVE LEAD25 Nov
Oz Shemer opens a +1.5-point gap over the chasing pack (closest: Eitan Ben Aharon); the title is out of reach before R7.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Oz Shemer drew with Eitan Ben Aharon (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇮🇱Shemer, Oz | 1800 | * | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 6.5 | 18.00 | 20.5 | +61.6 | 2059 |
| 2 | 🇮🇱Ben Aharon, Eitan | 1716 | ½ | * | 0 | 1 | ½ | 1 | 1 | 1 | 5.0 | 13.00 | 22.0 | +34.4 | 1806 |
| 3 | 🇮🇱Zuker, Zivi | 1708 | 0 | 1 | * | 0 | 1 | 1 | — | 1 | 4.0 | 11.50 | 23.0 | +21.6 | 1785 |
| 4 | 🇮🇱Solkes, Tom | 1709 | 0 | 0 | 1 | * | 0 | 1 | 1 | 1 | 4.0 | 8.00 | 23.0 | -2.0 | 1700 |
| 5 | 🇮🇱Pupko, Oz | 1635 | 0 | ½ | 0 | 1 | * | 1 | 0 | 1 | 3.5 | 9.50 | 23.5 | +8.8 | 1660 |
| 6 | 🇮🇱Shtern, Shmuel | 1595 | 0 | 0 | 0 | 0 | 0 | * | 1 | 1 | 2.0 | 2.00 | 25.0 | -16.6 | 1508 |
| 7 | 🇰🇷Feigin, Benjamin | 1580 | 0 | 0 | — | 0 | 1 | 0 | * | 0 | 1.0 | 3.50 | 26.0 | -55.2 | 1387 |
| 8 | 🇮🇱Shiloah, Eylon | 1498 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | * | 1.0 | 1.00 | 26.0 | -18.0 | 1371 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Shemer, OzISR+61.66.5 pts · #1
- 2Ben Aharon, EitanISR+34.45.0 pts · #2
- 3Zuker, ZiviISR+21.64.0 pts · #3
Top rating losers
- 1Feigin, BenjaminKOR-55.21.0 pts · #7
- 2Shiloah, EylonISR-18.01.0 pts · #8
- 3Shtern, ShmuelISR-16.62.0 pts · #6