Riga Christmas Chess Festival open-2025
16 players participated in this 9-round tournament, held from 15 Dec 2025 to 21 Dec 2025 in Riga, Latvia. 4 titled players from 2 federations. Top 10 Elo average was 1992, and top seed was Reinis Paikens (🇱🇻 LAT, FM, 2217).
Reinis Paikens (🇱🇻 LAT, FM, 2217) won with 8.5/9, ahead of Nikita Pavlovs (6.5) and Renate Vidruska (5.5). Paikens took the lead from round 4.
The biggest upset came in round 4: Iskander Aliev (1615) beat Maksims Otrohovs (1855), a +240-point gap.
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How it unfolded
Top 6 · 9 roundsFM Reinis Paikens led from R4; +2.0-point edge over the runner-up.
FM Reinis Paikens takes the sole lead (3.5/4).
FM Reinis Paikens beat Nikita Pavlovs (White).
FM Reinis Paikens 7 wins (R3–R9)Nikita Pavlovs 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMReinis Paikens | * | 1 | 1 | ½ |
| 2Nikita Pavlovs | 0 | * | 1 | ½ |
| 3WFMRenate Vidruska | 0 | 0 | * | 1 |
| 4Sergejs Filipovs | ½ | ½ | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Paikens, ReinisFM | 2217 | LAT | +10N | =5B | +4N | +2B | +9N | +3B | +6B | +8N | +7B | 8.5 | 38.5 | 42.0 | 39.50 | 2387 | +43.2 |
| 2 | Pavlovs, Nikita | 2022 | LAT | +12B | +9N | +3B | −1N | =5B | =6N | =4B | +10B | +8B | 6.5 | 39.5 | 41.5 | 25.75 | 2088 | +18.4 |
| 3 | Vidruska, RenateWFM | 2035 | LAT | F | +7B | −2N | +4B | +8N | −1N | +5B | +9N | =6N | 5.5 | 41.5 | 41.5 | 24.25 | 2095 | +14.6 |
| 4 | Lazars, KrisjanisCM | 1873 | LAT | +8B | +6N | −1B | −3N | +10B | =5N | =2N | +14B | F | 5.0 | 41.0 | 42.5 | 19.25 | 2019 | +59.2 |
| 5 | Filipovs, Sergejs | 1958 | LAT | +11B | =1N | =13N | +7B | =2N | =4B | −3N | −6B | +12N | 5.0 | 39.0 | 41.0 | 20.00 | 2007 | +23.6 |
| 6 | Gudovskis, Konstantins | 2008 | LAT | F | −4B | =15N | +10B | +11N | =2B | −1N | +5N | =3B | 4.5 | 38.0 | 38.0 | 17.75 | 1988 | -2.8 |
| 7 | Tolmaceva, AlonaWFM | 1954 | LAT | +16B | −3N | =8B | −5N | +12B | −9N | +14N | +11B | −1N | 4.5 | 32.5 | 32.5 | 8.00 | 1849 | -45.6 |
| 8 | Aliev, Iskander | 1615 | LAT | −4N | +14B | =7N | +15B | −3B | +16N | =9B | −1B | −2N | 4.0 | 36.5 | 36.5 | 7.00 | 1848 | +91.2 |
| 9 | Lisovskis, Dmitrijs | 1958 | LAT | +14N | −2B | +11N | F | −1B | +7B | =8N | −3B | F | 3.5 | 38.5 | 40.0 | 10.50 | 1896 | -19.6 |
| 10 | Olshevskis, Aleksejs Jans | 1855 | LAT | −1B | =15N | +14B | −6N | −4N | +11B | +12B | −2N | F | 3.5 | 32.0 | 32.0 | 6.75 | 1854 | -5.6 |
| 11 | Jefimovs, Akims | 1745 | LAT | −5N | +16B | −9B | =12N | −6B | −10N | F | −7N | +14B | 2.5 | 24.5 | 24.5 | 2.50 | 1714 | -16.4 |
| 12 | Aliev, Arif | 1773 | LAT | −2N | −13B | +16N | =11B | −7N | =14B | −10N | F | −5B | 2.0 | 25.5 | 25.5 | 2.00 | 1671 | -44.4 |
| 13 | Tolmacevs, Romans | 2043 | LAT | =15B | +12N | =5B | F | F | F | F | F | F | 2.0 | 12.0 | 12.0 | 5.25 | 1987 | -7.6 |
| 14 | Cheung, Shiu Ming | 1679 | HKG | −9B | −8N | −10N | +16B | F | =12N | −7B | −4N | −11N | 1.5 | 26.5 | 26.5 | 1.00 | 1553 | -50.0 |
| 15 | Otrohovs, Maksims | 1855 | LAT | =13N | =10B | =6B | −8N | F | F | F | F | F | 1.5 | 15.5 | 15.5 | 5.00 | 1794 | -14.4 |
| 16 | Lazdina, Keitija | 1628 | LAT | −7N | −11N | −12B | −14N | F | −8B | F | F | F | 0.0 | 14.5 | 14.5 | 0.00 | 954 | -74.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Aliev, IskanderLAT+91.24.0 pts · #8
- 2Lazars, KrisjanisCMLAT+59.25.0 pts · #5
- 3Paikens, ReinisFMLAT+43.28.5 pts · #1
- 1Lazdina, KeitijaLAT-74.00.0 pts · #16
- 2Cheung, Shiu MingHKG-50.01.5 pts · #15
- 3Tolmaceva, AlonaWFMLAT-45.64.5 pts · #7
- R4+240 Elo gap
- R2+135 Elo gap