SixDays Budapest May 2026 - GM-A
10 players participated in this 9-round tournament, held from 14 May 2026 to 19 May 2026 in Budapest, Hungary. 10 titled players from 7 federations. Top 10 Elo average was 2406, and top seed was Valeriy Aveskulov (🇺🇦 UKR, GM, 2500).
Harry Grieve (🇬🇧 ENG, IM, 2489) won with 7.0/9, ahead of Aleksandr Ostrovskiy (5.5) and Matyas Palczert (5.0). Grieve won solo starting round 3.
The biggest upset came in round 3: Sumiya Chinguun (IM, 2388) beat Valeriy Aveskulov (GM, 2500), a +112-point gap.
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How it unfolded
Top 10 · 9 roundsIM Harry Grieve led from R3 onwards, the runner-up race stayed tight.
IM Harry Grieve never relinquished the lead after R3; final gap +1.5 over the runner-up.
IM Harry Grieve opens a +1.5-point gap over the chasing pack (closest: GM Gabor Nagy); the title is out of reach before R9.
IM Harry Grieve beat IM Aleksandr Ostrovskiy (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇬🇧IMGrieve, Harry | 2489 | * | 1 | 0 | ½ | 1 | 1 | 1 | ½ | 1 | 1 | 7.0 | 29.00 | 38.0 | +13.9 | 2616 |
| 2 | 🇺🇸IMOstrovskiy, Aleksandr | 2356 | 0 | * | ½ | ½ | 0 | 1 | 1 | 1 | ½ | 1 | 5.5 | 21.50 | 39.5 | +16.7 | 2491 |
| 4 | 🇭🇺FMPalczert, Matyas | 2447 | 1 | ½ | * | ½ | ½ | ½ | 0 | ½ | 1 | ½ | 5.0 | 22.75 | 40.0 | -0.6 | 2444 |
| 3 | 🇭🇺GMNagy, Gabor | 2429 | ½ | ½ | ½ | * | ½ | ½ | 1 | ½ | ½ | ½ | 5.0 | 22.25 | 40.0 | +1.9 | 2446 |
| 6 | 🇺🇦GMAveskulov, Valeriy | 2500 | 0 | 1 | ½ | ½ | * | 0 | ½ | 1 | ½ | ½ | 4.5 | 18.75 | 40.5 | -12.6 | 2395 |
| 5 | 🇲🇳IMChinguun, Sumiya | 2388 | 0 | 0 | ½ | ½ | 1 | * | ½ | ½ | ½ | 1 | 4.5 | 17.75 | 40.5 | +2.4 | 2408 |
| 7 | 🇧🇪IMRuzhansky, Elias | 2448 | 0 | 0 | 1 | 0 | ½ | ½ | * | ½ | 1 | 1 | 4.5 | 17.00 | 40.5 | -5.7 | 2401 |
| 10 | 🇮🇳FMAarav Sinha | 2296 | ½ | 0 | ½ | ½ | 0 | ½ | ½ | * | 0 | ½ | 3.0 | 14.50 | 42.0 | -1.0 | 2293 |
| 9 | 🇲🇳WIMMungunzul, Bat-Erdene | 2327 | 0 | ½ | 0 | ½ | ½ | ½ | 0 | 1 | * | 0 | 3.0 | 12.75 | 42.0 | -9.0 | 2289 |
| 8 | 🇭🇺GMBerczes, David | 2377 | 0 | 0 | ½ | ½ | ½ | 0 | 0 | ½ | 1 | * | 3.0 | 11.75 | 42.0 | -11.0 | 2284 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ostrovskiy, AleksandrIMUSA+16.75.5 pts · #2
- 2Grieve, HarryIMENG+13.97.0 pts · #1
- 3Chinguun, SumiyaIMMGL+2.44.5 pts · #5
- 1Aveskulov, ValeriyGMUKR-12.64.5 pts · #6
- 2Berczes, DavidGMHUN-11.03.0 pts · #8
- 3Mungunzul, Bat-ErdeneWIMMGL-9.03.0 pts · #9
- R3+112 Elo gap