Cuartos de Cerro 2026 B
Open SwissStandard
13 players participated in this 5-round tournament, held from 23 Jan 2026 to 25 Jan 2026 in Montevideo, Uruguay. Top 10 Elo average was 1788, and top seed was Benjamin Martello (🇺🇾 URU, 1986).
Mariano Vassallo (🇺🇾 URU, 1803) won with 4.0/5, ahead of Benjamin Martello (4.0) and Nikolai Yakes (3.5). Vassallo won on tie-break after catching the field in the final round.
The biggest upset came in round 3: Ari Fainerman (1585) beat Fernando Guisande (1945), a +360-point gap.
Location
🇺🇾Montevideo, Uruguay
Dates
23 Jan 2026 → 25 Jan 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇺🇾Uruguay×11
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.0/5, decided on Buchholz.
Co-leaders
6
1
3
1
2
R5 · TIEBREAK CLUSTER
2 players finish on 4.0/5. Vassallo takes the title on Buchholz Cut1 (10.0).
R2–R5 · WIN STREAK
Benjamin Martello won 4 in a row (R2–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mariano Vassallo | * | — | ½ | — |
| 2Benjamin Martello | — | * | 0 | 1 |
| 3Nikolai Yakes | ½ | 1 | * | 0 |
| 4Alexandro Silva | — | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vassallo, Mariano | 1803 | URU | +12B | =3N | +10B | =6N | +9B | 4.0 | 10.0 | 10.0 | 7.00 | 1880 | +7.6 |
| 2 | Martello, Benjamin | 1986 | URU | −3B | +12N | +13B | +8N | +4N | 4.0 | 9.0 | 9.0 | 5.50 | 1926 | -4.0 |
| 3 | Yakes, Nikolai | 1694 | URU | +2N | =1B | +7N | −4B | +6B | 3.5 | 14.0 | 16.5 | 11.00 | 1927 | +30.4 |
| 4 | Silva, Alexandro | 1912 | URU | +11B | +10N | =8B | +3N | −2B | 3.5 | 11.5 | 12.5 | 7.50 | 1915 | +6.2 |
| 5 | Guisande, Fernando | 1945 | URU | −7N | +9B | −6N | +13B | +10N | 3.0 | 9.0 | 9.0 | 4.00 | 1674 | -25.8 |
| 6 | Fainerman, Ari | 1585 | URU | −8B | +11N | +5B | =1B | −3N | 2.5 | 12.5 | 13.5 | 6.00 | 1773 | +46.0 |
| 7 | Baptista, Emiliano | 1643 | URU | +5B | =8N | −3B | −9N | +12N | 2.5 | 10.5 | 10.5 | 4.00 | 1717 | +12.4 |
| 8 | Silva, Agustina | 1834 | URU | +6N | =7B | =4N | −2B | F | 2.0 | 12.5 | 12.5 | 5.50 | 1772 | -12.0 |
| 9 | Rouiller, Cristopher | 1744 | URU | F | −5N | +11B | +7B | −1N | 2.0 | 10.5 | 10.5 | 3.50 | 1745 | -0.2 |
| 10 | Caminada, Camilo | 1724 | URU | +13N | −4B | −1N | +12B | −5B | 2.0 | 10.5 | 10.5 | 0.00 | 1074 | -36.4 |
| 11 | Rodriguez Rearden, Jorge | 1590 | URU | −4N | −6B | −9N | F | +13N | 1.0 | 8.0 | 8.0 | 0.00 | 935 | -19.2 |
| 12 | FIDE 3028410 | 0 | — | −1N | −2B | F | −10N | −7B | 0.0 | 12.5 | 12.5 | 0.00 | 989 | 0.0 |
| 13 | FIDE 3035859 | 0 | — | −10B | F | −2N | −5N | −11B | 0.0 | 10.0 | 10.0 | 0.00 | 1011 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Fainerman, AriURU+46.02.5 pts · #4
- 2Yakes, NikolaiURU+30.43.5 pts · #1
- 3Baptista, EmilianoURU+12.42.5 pts · #9
Top rating losers
- 1Caminada, CamiloURU-36.42.0 pts · #10
- 2Guisande, FernandoURU-25.83.0 pts · #8
- 3Rodriguez Rearden, JorgeURU-19.21.0 pts · #11
Biggest upsets
- R3+360 Elo gap
- R1+302 Elo gap
- R1+292 Elo gap