Round of 16 of the National Chess Championship, Group 2
8 players participated in this 7-round tournament, held from 17 Sept 2025 to 20 Dec 2025 in Kfar Saba, Israel. Top 10 Elo average was 1426, and top seed was Ziv Cohen (🇮🇱 ISR, 1732).
Ziv Cohen (🇮🇱 ISR, 1732) won with 6.0/7, ahead of Ehud Brenner (4.5) and Tani Idan (4.0). Cohen shared the lead from round 4 and won solo starting round 5.
The biggest upset came in round 4: Itamar Guy (1504) beat Nour Hamoudi (1690), a +186-point gap.
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How it unfolded
Top 8 · 7 roundsZiv Cohen led from R5 onwards, the runner-up race stayed tight. Title race converged from 2 co-leaders at R4 to 1 by R5.
Ziv Cohen takes the sole lead (4.0/5).
Ziv Cohen opens a +1.5-point gap over the chasing pack (closest: Ehud Brenner); the title is out of reach before R7.
Ziv Cohen drew with Ehud Brenner (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇮🇱Cohen, Ziv | 1732 | * | ½ | 1 | ½ | 1 | 1 | 1 | 1 | 6.0 | 17.00 | 21.0 | +42.4 | 1888 |
| 2 | 🇮🇱Brenner, Ehud | 1661 | ½ | * | 1 | 0 | 0 | 1 | 1 | 1 | 4.5 | 12.50 | 22.5 | +48.8 | 1820 |
| 5 | 🇮🇱Idan, Tani | 1583 | 0 | 0 | * | 1 | 1 | 1 | — | 1 | 4.0 | 11.00 | 23.0 | +42.8 | 1739 |
| 4 | 🇮🇱Gurevich, Dov | 1666 | ½ | 1 | 0 | * | ½ | 0 | 1 | ½ | 3.5 | 11.25 | 23.5 | -17.2 | 1624 |
| 3 | 🇮🇱Shemer, Yehonatan | 0 | 0 | 1 | 0 | ½ | * | 0 | 1 | 1 | 3.5 | 8.75 | 23.5 | -8.8 | 1631 |
| 6 | 🇮🇱Hamoudi, Nour | 1690 | 0 | 0 | 0 | 1 | 1 | * | 0 | 1 | 3.0 | 8.00 | 24.0 | -62.0 | 1497 |
| 7 | 🇮🇱Guy, Itamar | 1504 | 0 | 0 | — | 0 | 0 | 1 | * | ½ | 1.5 | 3.50 | 25.5 | +2.4 | 1518 |
| 8 | 🇮🇱Henn, Jonathan | 1571 | 0 | 0 | 0 | ½ | 0 | 0 | ½ | * | 1.0 | 2.50 | 26.0 | -28.6 | 1369 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Brenner, EhudISR+48.84.5 pts · #2
- 2Idan, TaniISR+42.84.0 pts · #5
- 3Cohen, ZivISR+42.46.0 pts · #1
- 1Hamoudi, NourISR-62.03.0 pts · #6
- 2Henn, JonathanISR-28.61.0 pts · #8
- 3Gurevich, DovISR-17.23.5 pts · #4
- R4+186 Elo gap
- R2+107 Elo gap