49.Zuercher Weihnachtsopen Meister
SwissStandard
37 players participated in this 7-round tournament, held from 26 Dec 2025 to 30 Dec 2025 in Zurich, Switzerland. 13 titled players from 8 federations. Top 10 Elo average was 2374, and top seed was Diptayan Ghosh (🇮🇳 IND, GM, 2577).
Sergey A. Fedorchuk (🇺🇦 UKR, GM, 2569) won with 5.5/7, ahead of Vitaly Kunin (5.5) and Li Min Peng (5.5). Fedorchuk shared the lead from round 4, winning on tie-break.
The biggest upset came in round 3: Matei-Andrei Badescu (1810) beat Carmi Haas (2136), a +326-point gap.
Location
🇨🇭Zurich, Switzerland
Dates
26 Dec 2025 → 30 Dec 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 7 rounds
Titled players · 13
GM×5
IM×1
FM×3
CM×2
WIM×1
WFM×1
Federations · 8 represented
🇨🇭Switzerland×21
🇩🇪Germany×4
🇿🇦South Africa×1
🇹🇷Turkiye×1
🇮🇳India×1
🇫🇷France×1
🇰🇿Kazakhstan×1
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R5; 3 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.
Co-leaders
15
7
1
2
1
1
3
R5 · LEADER CHANGE29 Dec
GM Sergey A. Fedorchuk takes the sole lead (4.5/5).
R7 · TIEBREAK CLUSTER
3 players finish on 5.5/7. Fedorchuk takes the title on Buchholz Cut1 (28.5).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
GM Sergey A. Fedorchuk drew with GM Vitaly Kunin (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMSergey A. Fedorchuk | * | ½ | 1 | ½ |
| 2GMVitaly Kunin | ½ | * | — | ½ |
| 3GMLi Min Peng | 0 | — | * | — |
| 4GMVitaly Sivuk | ½ | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fedorchuk, Sergey A.GM | 2569 | UKR | +32N | +21B | =5N | +8B | +3N | =2B | =4N | 5.5 | 28.5 | 30.0 | 22.25 | 2600 | +4.8 |
| 2 | Kunin, VitalyGM | 2516 | GER | +26N | +19B | =4N | =5B | +18N | =1N | +10B | 5.5 | 26.5 | 29.0 | 21.25 | 2553 | +5.4 |
| 3 | Peng, Li MinGM | 2526 | SUI | +34B | +11N | +7B | =4N | −1B | +17N | +6B | 5.5 | 26.5 | 27.5 | 19.50 | 2511 | +1.6 |
| 4 | Ghosh, DiptayanGM | 2577 | IND | +31B | +17N | =2B | =3B | =5N | +9N | =1B | 5.0 | 29.0 | 31.0 | 20.25 | 2530 | -0.7 |
| 5 | Sivuk, VitalyGM | 2466 | SWE | +10B | +20N | =1B | =2N | =4B | =7N | +17B | 5.0 | 27.5 | 31.0 | 21.00 | 2471 | +3.9 |
| 6 | Rappazzo, JohannesFM | 2188 | SUI | +22N | −8B | +15N | =13B | +19N | +12B | −3N | 4.5 | 25.0 | 28.5 | 17.00 | 2212 | +4.2 |
| 7 | Gautier, AnandFM | 2258 | FRA | +35N | +16B | −3N | =12B | =8N | =5B | =15B | 4.0 | 26.5 | 27.5 | 13.50 | 2229 | -4.2 |
| 8 | Ozkaynakci, Kayra | 1969 | TUR | +28B | +6N | =18B | −1N | =7B | −10N | +24B | 4.0 | 24.5 | 27.0 | 13.75 | 2242 | +94.4 |
| 9 | Nagel, Daniel | 1979 | GER | +30N | =18B | =12N | =14B | +13N | −4B | =16N | 4.0 | 24.5 | 26.5 | 13.75 | 2217 | +83.6 |
| 10 | Cervelli, Eduard | 2143 | SUI | −5N | +27B | +21N | −18N | +28B | +8B | −2N | 4.0 | 24.0 | 26.5 | 12.50 | 2247 | +17.2 |
| 11 | Hirzel, Cedric | 2058 | SUI | +27N | −3B | −14N | =22B | +26N | +21B | =12N | 4.0 | 23.0 | 25.5 | 12.25 | 2182 | +21.8 |
| 12 | Schoenbaechler, Anselm | 2079 | SUI | =25B | +23N | =9B | =7N | +24B | −6N | =11B | 4.0 | 22.5 | 25.0 | 13.25 | 2111 | +7.0 |
| 13 | Breyer, Thierry | 2005 | SUI | −17B | +34N | +23B | =6N | −9B | +19B | =14N | 4.0 | 22.5 | 23.5 | 11.75 | 2141 | +51.6 |
| 14 | Salov, SergejIM | 2202 | GER | =24B | =25N | +11B | =9N | =17B | =20N | =13B | 4.0 | 22.0 | 24.5 | 14.25 | 2049 | -25.2 |
| 15 | Breyer, Philippe | 2067 | SUI | =23B | +24N | −6B | =20N | +25B | =18B | =7N | 4.0 | 21.5 | 24.0 | 12.50 | 2154 | +34.0 |
| 16 | Jelica, MaraWIM | 2089 | CRO | +36B | −7N | −17B | =33N | +29B | +23N | =9B | 4.0 | 18.0 | 19.0 | 8.75 | 2094 | +1.6 |
| 17 | Shahmammadli, Safkhan | 2054 | SUI | +13N | −4B | +16N | +36B | =14N | −3B | −5N | 3.5 | 27.5 | 28.5 | 11.00 | 2228 | +25.6 |
| 18 | Angst, Robin | 2278 | SUI | +33B | =9N | =8N | +10B | −2B | =15N | −20B | 3.5 | 25.0 | 26.5 | 11.50 | 2113 | -28.4 |
| 19 | Borner, DanielFM | 2078 | SUI | +29B | −2N | =20B | +25N | −6B | −13N | +27B | 3.5 | 22.5 | 24.5 | 8.75 | 2054 | -6.2 |
| 20 | Piacquadio, Riccardo Daniele | 2055 | SUI | F | −5B | =19N | =15B | +30N | =14B | +18N | 3.5 | 22.0 | 22.0 | 11.25 | 2260 | +62.4 |
| 21 | Buehler, Michael | 2158 | SUI | +37B | −1N | −10B | =24N | +33B | −11N | +25B | 3.5 | 20.5 | 21.5 | 6.50 | 2097 | -12.4 |
| 22 | Bernig Le Duigou, Vincent | 2048 | GER | −6B | =31N | =29B | =11N | −23B | +28N | +30B | 3.5 | 18.0 | 20.0 | 8.50 | 2079 | +6.0 |
| 23 | Regez, MarkusCM | 2101 | SUI | =15N | −12B | −13N | +32B | +22N | −16B | =29N | 3.0 | 21.5 | 23.0 | 8.00 | 1979 | -24.0 |
| 24 | Krivovyaz, Gleb | 2037 | RUS | =14N | −15B | +32N | =21B | −12N | +30B | −8N | 3.0 | 21.5 | 23.0 | 7.25 | 2037 | -0.6 |
| 25 | Badescu, Matei-Andrei | 1810 | ROU | =12N | =14B | +30N | −19B | −15N | =32B | −21N | 2.5 | 21.0 | 22.5 | 6.75 | 2000 | +56.0 |
| 26 | Kalbermatter, Hugo | 2054 | SUI | −2B | =29N | =37B | =28N | −11B | −27N | +35B | 2.5 | 17.5 | 18.5 | 3.75 | 1970 | -19.0 |
| 27 | Khassenov, Mansur | 1924 | KAZ | −11B | −10N | +34B | =35N | −31N | +26B | −19N | 2.5 | 17.0 | 18.0 | 4.00 | 1969 | +15.6 |
| 28 | Drechsler, Christoph | 2073 | SUI | −8N | +35B | −36N | =26B | −10N | −22B | +34N | 2.5 | 16.0 | 17.0 | 3.25 | 1932 | -27.2 |
| 29 | Neuschild, Marius | 1918 | SUI | −19N | =26B | =22N | =31B | −16N | F | =23B | 2.0 | 18.5 | 18.5 | 5.50 | 1950 | +9.2 |
| 30 | Haas, Carmi | 2136 | SUI | −9B | +33N | −25B | +37N | −20B | −24N | −22N | 2.0 | 18.0 | 19.0 | 2.50 | 1843 | -54.4 |
| 31 | Di Fonzo, ValerioCM | 2078 | ITA | −4N | =22B | F | =29N | +27B | F | F | 2.0 | 13.0 | 13.0 | 5.25 | 2092 | -0.8 |
| 32 | Mauron, Pierre | 1995 | SUI | −1B | =37N | −24B | −23N | F | =25N | =33B | 1.5 | 16.5 | 16.5 | 2.50 | 1877 | -19.8 |
| 33 | Gojani, Gjon | 2059 | SUI | −18N | −30B | F | =16B | −21N | =34B | =32N | 1.5 | 15.5 | 15.5 | 3.25 | 1922 | -21.2 |
| 34 | Mikavica, Mirko | 2031 | SRB | −3N | −13B | −27N | F | =35B | =33N | −28B | 1.0 | 17.0 | 17.0 | 1.25 | 1819 | -32.6 |
| 35 | Schmid, Christoph | 2059 | SUI | −7B | −28N | F | =27B | =34N | F | −26N | 1.0 | 12.5 | 12.5 | 1.75 | 1828 | -29.0 |
| 36 | Faraone, Ettore | 1936 | SUI | −16N | F | +28B | −17N | F | F | F | 1.0 | 10.0 | 10.0 | 2.50 | 1947 | +0.8 |
| 37 | Badenhorst, ChloeWFM | 2017 | RSA | −21N | =32B | =26N | −30B | F | F | F | 1.0 | 9.5 | 9.5 | 2.00 | 1893 | -12.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ozkaynakci, KayraTUR+94.44.0 pts · #7
- 2Nagel, DanielGER+83.64.0 pts · #12
- 3Piacquadio, Riccardo DanieleSUI+62.43.5 pts · #20
Top rating losers
- 1Haas, CarmiSUI-54.42.0 pts · #30
- 2Mikavica, MirkoSRB-32.61.0 pts · #35
- 3Schmid, ChristophSUI-29.01.0 pts · #37
Biggest upsets
- R3+326 Elo gap
- R7+223 Elo gap
- R2+219 Elo gap