SixDays Budapest September 2025 Swiss norm edition
SwissStandard
58 players participated in this 9-round tournament, held from 12 Sept 2025 to 17 Sept 2025 in Budapest, Hungary. 52 titled players from 8 federations. Top 10 Elo average was 2480, and top seed was Andrey Sumets (🇺🇦 UKR, GM, 2512).
Gergely Aczel (🇭🇺 HUN, GM, 2435) won with 6.5/9, ahead of Balazs Csonka (6.5) and Raja Harshit (6.5).
The biggest upset came in round 6: Yining Chen (FM, 2148) beat Florian Kaczur (IM, 2501), a +353-point gap.
Location
🇭🇺Budapest, Hungary
Dates
12 Sept 2025 → 17 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 52
GM×9
IM×12
FM×23
CM×5
WGM×1
WIM×1
WFM×1
Federations · 8 represented
🇭🇺Hungary×20
🇮🇳India×7
🇺🇸United States of America×6
🇮🇱Israel×5
🇫🇷France×4
FIDE (no federation)×2
🇺🇦Ukraine×2
🇨🇳China×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R9; 5 players tied at 6.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 5 at the finish.
Co-leaders
21
5
1
2
1
1
1
2
5
R5 · LEADER CHANGE14 Sept
GM Gergely Aczel takes the sole lead (4.5/5).
R9 · TIEBREAK CLUSTER
5 players finish on 6.5/9. Aczel takes the title on Buchholz Cut1 (47.0).
R3–R5 · WIN STREAK
GM Gergely Aczel won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMBalazs Csonka | * | — | 1 | — |
| 2GMGergely Aczel | — | * | 0 | ½ |
| 3GMTamas Jr. Fodor | 0 | 1 | * | — |
| 4GMRaja Harshit | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Aczel, GergelyGM | 2435 | HUN | +13B | =12N | +14B | +53N | +6N | =4B | −5N | =3B | +11N | 6.5 | 47.0 | 49.5 | 33.75 | 2577 | +17.4 |
| 2 | Csonka, BalazsIM | 2470 | HUN | =14B | =32N | +35B | =7N | +13B | =9N | +31B | +5B | =4N | 6.5 | 44.0 | 48.0 | 34.25 | 2478 | +2.5 |
| 3 | Raja HarshitGM | 2453 | IND | +34B | +19N | =10B | =6B | =9N | +14N | =15B | =1N | +13B | 6.5 | 44.0 | 48.0 | 33.75 | 2528 | +9.1 |
| 4 | Sumets, AndreyGM | 2512 | UKR | +35B | =25N | =16B | =33N | +19B | =1N | +10B | +15N | =2B | 6.5 | 42.0 | 46.0 | 32.75 | 2571 | +7.0 |
| 5 | Fodor, Tamas Jr.GM | 2505 | HUN | +43N | −33B | +28B | +36N | =15B | +25N | +1B | −2N | +9N | 6.5 | 40.5 | 44.0 | 31.00 | 2531 | +4.1 |
| 6 | Chasin, NicoGM | 2474 | USA | +23B | +36N | +8B | =3N | −1B | =16N | =9B | =7N | +15B | 6.0 | 45.5 | 49.5 | 31.50 | 2512 | +4.6 |
| 7 | Li, WenxiangIM | 2321 | CHN | +41N | −10B | +46N | =2B | =11N | =20B | +33N | =6B | +17N | 6.0 | 41.0 | 44.5 | 27.50 | 2508 | +45.2 |
| 8 | Pham Tran Gia PhucIM | 2450 | VIE | +47N | +22B | −6N | =12B | =20N | =27B | =17N | +34B | +25N | 6.0 | 39.5 | 43.0 | 27.00 | 2475 | +3.3 |
| 9 | Averin, NikolayIM | 2352 | FID | +56B | =18N | +11B | =10N | =3B | =2B | =6N | +16N | −5B | 5.5 | 46.5 | 48.5 | 27.25 | 2506 | +19.1 |
| 10 | Levin, GuyIM | 2447 | ISR | +24B | +7N | =3N | =9B | =25N | =21B | −4N | +27B | =12N | 5.5 | 44.5 | 49.0 | 29.00 | 2438 | -0.6 |
| 11 | Bodrogi, BendeguzIM | 2443 | HUN | =52N | +27B | −9N | +37N | =7B | =12B | +20N | +14N | −1B | 5.5 | 42.0 | 44.5 | 25.50 | 2388 | -5.9 |
| 12 | Kairbekova, AminaWGM | 2299 | KAZ | +51N | =1B | =15B | =8N | =26B | =11N | =25B | +36N | =10B | 5.5 | 41.5 | 44.5 | 25.75 | 2474 | +43.0 |
| 13 | Garv Rai | 2250 | IND | −1N | =51B | +55N | +28B | −2N | +48N | +26B | +21B | −3N | 5.5 | 40.0 | 42.0 | 21.00 | 2431 | +82.8 |
| 14 | Ashwath KaushikFM | 2264 | SGP | =2N | +44B | −1N | +30B | +22N | −3B | +18N | −11B | =21N | 5.0 | 44.5 | 48.0 | 23.75 | 2424 | +71.4 |
| 15 | Colbow, CollinIM | 2433 | GER | =45N | +52B | =12N | +29B | =5N | +17B | =3N | −4B | −6N | 5.0 | 44.0 | 46.5 | 23.00 | 2435 | +0.3 |
| 16 | Berczes, DavidGM | 2410 | HUN | +37N | =17B | =4N | +34B | =18N | =6B | =21N | −9B | =22N | 5.0 | 42.0 | 46.0 | 24.25 | 2428 | +2.1 |
| 17 | Girel, JosephGM | 2501 | FRA | +49B | =16N | =25B | =19N | +33B | −15N | =8B | +31N | −7B | 5.0 | 40.0 | 43.5 | 22.25 | 2399 | -11.6 |
| 18 | Rozentalis, EduardasGM | 2473 | LTU | +40N | =9B | =20N | =21B | =16B | =26N | −14B | =23N | +37B | 5.0 | 39.0 | 43.0 | 23.00 | 2373 | -11.8 |
| 19 | Yurovskykh, OleksandrFM | 2346 | UKR | +50N | −3B | +38N | =17B | −4N | =34B | +42N | =25B | =20N | 5.0 | 39.0 | 42.5 | 20.25 | 2388 | +10.0 |
| 20 | Bhagat KushFM | 2376 | IND | +46B | =53N | =18B | =26N | =8B | =7N | −11B | +41N | =19B | 5.0 | 39.0 | 41.5 | 21.50 | 2412 | +4.5 |
| 21 | Sherman, RaemFM | 2357 | ISR | =30N | +58B | =26B | =18N | +53B | =10N | =16B | −13N | =14B | 5.0 | 37.5 | 39.5 | 19.25 | 2396 | +9.0 |
| 22 | Polyik, PeterFM | 2323 | HUN | +31B | −8N | −42B | +54N | −14B | =37N | +39B | +46N | =16B | 5.0 | 35.5 | 37.5 | 18.50 | 2281 | -10.0 |
| 23 | Geher, Koppany | 2268 | HUN | −6N | =54B | −30N | +51B | =45N | +50B | =32N | =18B | +34N | 5.0 | 34.0 | 36.0 | 18.00 | 2290 | +3.8 |
| 24 | Adury, AnantFM | 2253 | USA | −10N | =41B | =51N | +58B | =29N | =33B | =28B | =26N | +44B | 5.0 | 33.0 | 35.0 | 17.50 | 2317 | +18.3 |
| 25 | Pribelszky, BenceIM | 2411 | HUN | +38B | =4B | =17N | +42N | =10B | −5B | =12N | =19N | −8B | 4.5 | 44.0 | 47.5 | 21.25 | 2389 | -2.4 |
| 26 | Nagy, GaborGM | 2462 | HUN | =27N | +29B | =21N | =20B | =12N | =18B | −13N | =24B | =32N | 4.5 | 40.0 | 44.5 | 21.75 | 2303 | -18.4 |
| 27 | Chakrabarty, ReyaanshFM | 2260 | AUS | =26B | −11N | +56B | =31N | +42B | =8N | =36B | −10N | =28B | 4.5 | 38.0 | 40.0 | 17.25 | 2313 | +12.0 |
| 28 | Nasta, Kiren Vivek | 2128 | USA | =44N | +55B | −5N | −13N | +35B | =43B | =24N | =29B | =27N | 4.5 | 37.0 | 39.0 | 16.50 | 2310 | +52.0 |
| 29 | Urhegyi, MartonFM | 2287 | SVK | +39B | −26N | +32B | −15N | =24B | =30N | =41B | =28N | =31B | 4.5 | 36.5 | 40.0 | 19.50 | 2216 | -16.8 |
| 30 | Karacsonyi, KataWIM | 2168 | HUN | =21B | −35N | +23B | −14N | +47N | =29B | −34N | =40B | +42N | 4.5 | 35.0 | 38.5 | 18.75 | 2272 | +25.4 |
| 31 | Chen, YiningFM | 2148 | CHN | −22N | =47B | +52N | =27B | +43N | +53B | −2N | −17B | =29N | 4.5 | 35.0 | 37.5 | 14.75 | 2348 | +43.6 |
| 32 | Yaniv, OriCM | 2168 | ISR | =55N | =2B | −29N | −43B | +58N | +40B | =23B | =48N | =26B | 4.5 | 33.5 | 35.5 | 16.75 | 2333 | +37.6 |
| 33 | Defromont, BenjaminIM | 2407 | FRA | +42B | +5N | −53B | =4B | −17N | =24N | −7B | =45B | =40N | 4.0 | 40.0 | 42.5 | 19.50 | 2326 | -9.5 |
| 34 | Singh, Siddharth | 2256 | USA | −3N | +50B | +48B | −16N | =36B | =19N | +30B | −8N | −23B | 4.0 | 39.5 | 43.0 | 16.00 | 2291 | +10.8 |
| 35 | Horvath, DavidIM | 2286 | HUN | −4N | +30B | −2N | =45B | −28N | +51B | =44N | =42B | =38N | 4.0 | 36.5 | 39.5 | 14.75 | 2220 | -7.9 |
| 36 | Papp, LeventeFM | 2364 | HUN | +54N | −6B | +45N | −5B | =34N | +46B | =27N | −12B | F | 4.0 | 35.5 | 35.5 | 13.25 | 2303 | -6.5 |
| 37 | Shubin, DanielCM | 2215 | USA | −16B | =49N | +44N | −11B | =55N | =22B | =38N | +43B | −18N | 4.0 | 35.0 | 37.0 | 14.25 | 2301 | +20.2 |
| 38 | Szalay-Ocsak, BankFM | 2229 | HUN | −25N | +39B | −19B | −48N | =54B | +49N | =37B | =44N | =35B | 4.0 | 32.0 | 34.0 | 14.25 | 2232 | +1.0 |
| 39 | Brezis, AriCM | 2055 | ISR | −29N | −38N | +57B | =47B | =40N | =44B | −22N | =49N | +41B | 4.0 | 31.5 | 33.5 | 12.75 | 2217 | +73.2 |
| 40 | Sahithi Varshini MFM | 2266 | IND | −18B | =56N | =54B | =41N | =39B | −32N | +50B | =30N | =33B | 4.0 | 31.0 | 33.0 | 13.50 | 2168 | -23.4 |
| 41 | Lehocz, Jozsef Jr.CM | 2129 | HUN | −7B | =24N | =47N | =40B | =44N | +45B | =29N | −20B | −39N | 3.5 | 35.5 | 39.0 | 13.75 | 2183 | +23.2 |
| 42 | Meessen, RudolfFM | 2214 | BEL | −33N | +43B | +22N | −25B | −27N | +55B | −19B | =35N | −30B | 3.5 | 35.0 | 37.0 | 12.50 | 2236 | +4.6 |
| 43 | Varga, Csaba ZoltanFM | 2283 | HUN | −5B | −42N | +50B | +32N | −31B | =28N | =48B | −37N | =47B | 3.5 | 34.5 | 38.0 | 13.75 | 2162 | -15.3 |
| 44 | Coenen, MichaelFM | 2304 | GER | =28B | −14N | −37B | +57N | =41B | =39N | =35B | =38B | −24N | 3.5 | 34.0 | 36.0 | 12.00 | 2124 | -21.9 |
| 45 | Vaidyanathan, KannanFM | 2247 | USA | =15B | =48N | −36B | =35N | =23B | −41N | +54B | =33N | −46B | 3.5 | 32.5 | 34.5 | 12.75 | 2216 | -16.3 |
| 46 | Aashman GuptaCM | 2198 | IND | −20N | +57B | −7B | +49N | =48B | −36N | F | −22B | +45N | 3.5 | 32.5 | 34.5 | 10.75 | 2279 | +32.8 |
| 47 | Zentai, PeterFM | 2253 | HUN | −8B | =31N | =41B | =39N | −30B | =54N | −49B | +57N | =43N | 3.5 | 31.5 | 33.5 | 10.75 | 2138 | -28.4 |
| 48 | Kolimar, Kristof PalFM | 2396 | HUN | =58N | =45B | −34N | +38B | =46N | −13B | =43N | =32B | F | 3.5 | 30.5 | 30.5 | 12.50 | 2187 | -45.2 |
| 49 | Coles, Ruben | 2274 | FRA | −17N | =37B | =58N | −46B | =51N | −38B | +47N | =39B | =52N | 3.5 | 29.5 | 31.5 | 11.25 | 2143 | -64.4 |
| 50 | Kochavi, DanaFM | 2152 | ISR | −19B | −34N | −43N | +52B | +56B | −23N | −40N | =51B | +57B | 3.5 | 29.0 | 31.0 | 8.00 | 2164 | +2.4 |
| 51 | Dorokhina, ElizavetaWFM | 2098 | FID | −12B | =13N | =24B | −23N | =49B | −35N | =57B | =50N | =56N | 3.0 | 34.0 | 36.0 | 10.75 | 2121 | +5.4 |
| 52 | Miszler, LeventeFM | 2252 | HUN | =11B | −15N | −31B | −50N | −57B | =56N | F | +54N | =49B | 2.5 | 28.0 | 28.0 | 7.50 | 2117 | -29.0 |
| 53 | Kaczur, FlorianIM | 2501 | HUN | +57N | =20B | +33N | −1B | −21N | −31N | F | F | F | 2.5 | 27.0 | 27.0 | 8.50 | 2276 | -17.6 |
| 54 | Pavan Karthikeya Varma GunturiFM | 2185 | IND | −36B | =23N | =40N | −22B | =38N | =47B | −45N | −52B | F | 2.0 | 31.5 | 31.5 | 8.25 | 2082 | -41.2 |
| 55 | Aayush BhattacherjeeFM | 2360 | IND | =32B | −28N | −13B | +56N | =37B | −42N | F | F | F | 2.0 | 27.5 | 27.5 | 6.25 | 2064 | -23.4 |
| 56 | Nemeth, ZoltanIM | 2157 | HUN | −9N | =40B | −27N | −55B | −50N | =52B | =58N | F | =51B | 2.0 | 27.0 | 27.0 | 5.75 | 2050 | -10.9 |
| 57 | Coles, Robin | 2272 | FRA | −53B | −46N | −39N | −44B | +52N | =58B | =51N | −47B | −50N | 2.0 | 26.0 | 28.0 | 5.00 | 2004 | -61.8 |
| 58 | Nemeth, ZalanFM | 2206 | IRL | =48B | −21N | =49B | −24N | −32B | =57N | =56B | F | F | 2.0 | 25.5 | 25.5 | 5.50 | 2110 | -18.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Garv RaiIND+82.85.5 pts · #10
- 2Brezis, AriCMISR+73.24.0 pts · #40
- 3Ashwath KaushikFMSGP+71.45.0 pts · #23
Top rating losers
- 1Coles, RubenFRA-64.43.5 pts · #41
- 2Coles, RobinFRA-61.82.0 pts · #57
- 3Kolimar, Kristof PalFMHUN-45.23.5 pts · #50
Biggest upsets
- R6+353 Elo gap
- R2+232 Elo gap
- R3+217 Elo gap