Championnat d'echecs du Haut-Richelieu - Section Ouverte
31 players participated in this 5-round tournament, held from 17 Oct 2025 to 19 Oct 2025 in Saint-Jean-sur-Richelieu, Quebec, Canada. 5 titled players from 5 federations. Top 10 Elo average was 2170, and top seed was Olivier-Kenta Chiku-Ratte (🇨🇦 CAN, IM, 2323).
Julien Song (🇫🇷 FRA, IM, 2316) won with 4.0/5, ahead of Renzo Gutierrez (4.0) and Rafael Adam (4.0). Song shared the lead from round 1, winning on tie-break.
The biggest upset came in round 2: Matteo Presseau (1537) beat Eduardo Barrera (1936), a +399-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R3; 4 players tied at 4.0/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 4 at the finish.
IM Julien Song held the sole lead from R3 through R5 without losing it.
4 players finish on 4.0/5. Song takes the title on Buchholz Cut1 (15.0).
IM Julien Song beat FM Renzo Gutierrez (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMJulien Song | * | 1 | ½ | ½ |
| 2FMRenzo Gutierrez | 0 | * | — | — |
| 3IMOlivier-Kenta Chiku-Ratte | ½ | — | * | — |
| 4CMRafael Adam | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Song, JulienIM | 2316 | FRA | +12N | +9B | +2N | =4B | =3N | 4.0 | 15.0 | 17.5 | 13.50 | 2356 | +3.9 |
| 2 | Gutierrez, RenzoFM | 2180 | PER | +20B | +10N | −1B | +18N | +7B | 4.0 | 12.0 | 14.0 | 10.00 | 2248 | +10.0 |
| 3 | Adam, RafaelCM | 2245 | CAN | +28B | +18N | =7B | +11N | =1B | 4.0 | 11.5 | 11.5 | 8.00 | 2255 | +8.8 |
| 4 | Chiku-Ratte, Olivier-KentaIM | 2323 | CAN | =11B | +25N | +22B | =1N | +8B | 4.0 | 11.0 | 12.0 | 8.75 | 2245 | -1.8 |
| 5 | Saine, Zachary | 2149 | CAN | −19N | +20B | =12N | +13B | +16N | 3.5 | 9.5 | 11.5 | 8.25 | 1972 | -12.0 |
| 6 | Presseau, Matteo | 1537 | CAN | =23N | +31B | =9N | =17B | +12N | 3.5 | 9.5 | 9.5 | 6.00 | 1951 | 0.0 |
| 7 | Berube, Antoine | 2228 | CAN | +21N | +13B | =3N | =8B | −2N | 3.0 | 13.5 | 15.5 | 8.00 | 2081 | +0.4 |
| 8 | Zhu, Elber | 2097 | CAN | =14N | +15B | +19B | =7N | −4N | 3.0 | 12.0 | 14.0 | 7.25 | 2047 | +24.8 |
| 9 | Ramesan, Raunak Amit | 2023 | CAN | +24B | −1N | =6B | +19N | =15B | 3.0 | 12.0 | 13.5 | 6.50 | 2036 | +22.0 |
| 10 | Di Matteo, Alessio | 1989 | CAN | +30N | −2B | −13N | +21B | +18B | 3.0 | 10.5 | 10.5 | 4.00 | 1986 | +14.2 |
| 11 | Jutras, Arnaud | 1936 | CAN | =4N | +14B | =17N | −3B | =13N | 2.5 | 13.0 | 15.5 | 7.00 | 2033 | +50.0 |
| 12 | Dufresne, Christophe | 1929 | CAN | −1B | +29N | =5B | +24N | −6B | 2.5 | 12.5 | 12.5 | 3.25 | 2048 | +38.8 |
| 13 | Turcotte, Jonathan | 2015 | CAN | +26B | −7N | +10B | −5N | =11B | 2.5 | 12.0 | 13.0 | 5.25 | 1901 | -2.8 |
| 14 | Zhang, Yitian | 1842 | CAN | =8B | −11N | +28B | −15N | +20B | 2.5 | 10.0 | 10.0 | 3.50 | 1869 | +7.6 |
| 15 | Lamontagne, Damien | 1901 | CAN | F | −8N | +30B | +14B | =9N | 2.5 | 8.5 | 8.5 | 4.00 | 1963 | +20.0 |
| 16 | Wu, Ting En Ryan | 1828 | CAN | −18B | +28N | =23B | +22N | −5B | 2.5 | 8.5 | 8.5 | 2.25 | 1932 | +39.6 |
| 17 | Latreche, SabrinaWIM | 2122 | ALG | +29B | =19N | =11B | =6N | F | 2.5 | 8.0 | 8.0 | 4.00 | 1861 | -7.2 |
| 18 | Mok, Yuen Tak | 2020 | CAN | +16N | −3B | +26N | −2B | −10N | 2.0 | 13.5 | 14.5 | 3.50 | 1869 | -9.2 |
| 19 | Mercure, Gilbert | 1861 | CAN | +5B | =17B | −8N | −9B | =25N | 2.0 | 12.0 | 13.0 | 5.25 | 1887 | +16.0 |
| 20 | Sun, Jonathan | 1877 | CAN | −2N | −5N | +29B | +25B | −14N | 2.0 | 11.0 | 11.0 | 1.00 | 1857 | +2.8 |
| 21 | Gribanov, Anton | 1891 | CAN | −7B | =24N | =25B | −10N | +28N | 2.0 | 8.5 | 8.5 | 1.25 | 1845 | +10.6 |
| 22 | Filion, Samuel | 1864 | CAN | F | +23B | −4N | −16B | =26N | 1.5 | 9.0 | 9.0 | 2.00 | 1801 | +1.6 |
| 23 | Iordanescu, Victor Nicolae | 1986 | CAN | =6B | −22N | =16N | =26B | F | 1.5 | 8.5 | 8.5 | 3.50 | 1597 | -57.6 |
| 24 | McCartney, Steven | 1834 | CAN | −9N | =21B | +31N | −12B | F | 1.5 | 7.5 | 7.5 | 1.00 | 1751 | -9.6 |
| 25 | Duval, Mathieu | 1910 | CAN | F | −4B | =21N | −20N | =19B | 1.0 | 10.0 | 10.0 | 2.00 | 1711 | -40.8 |
| 26 | Xu, Florence Zixin | 1783 | CAN | −13N | F | −18B | =23N | =22B | 1.0 | 7.5 | 7.5 | 1.50 | 1708 | +10.8 |
| 27 | FIDE 2680912 | 1908 | — | F | F | F | +30N | F | 1.0 | 0.0 | 0.0 | 0.00 | 1802 | 0.0 |
| 28 | Huynh, Nhu Phuong Nghi | 1894 | VIE | −3N | −16B | −14N | F | −21B | 0.0 | 11.0 | 11.0 | 0.00 | 1103 | -81.2 |
| 29 | Cormier, Michael | 1856 | CAN | −17N | −12B | −20N | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 1078 | -25.6 |
| 30 | Kerhuel-Lefebvre, Stephane | 1780 | CAN | −10B | F | −15N | −27B | F | 0.0 | 6.5 | 6.5 | 0.00 | 1072 | -30.0 |
| 31 | Barrera, Eduardo | 1936 | CAN | F | −6N | −24B | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1034 | -20.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Jutras, ArnaudCAN+50.02.5 pts · #13
- 2Wu, Ting En RyanCAN+39.62.5 pts · #10
- 3Dufresne, ChristopheCAN+38.82.5 pts · #12
- 1Huynh, Nhu Phuong NghiVIE-81.20.0 pts · #28
- 2Iordanescu, Victor NicolaeCAN-57.61.5 pts · #27
- 3Duval, MathieuCAN-40.81.0 pts · #26
- R2+399 Elo gap
- R5+392 Elo gap
- R1+288 Elo gap