North American School Chess Championship Tijuana-Mexico 2025. U17 Abs
6 players participated in this 7-round tournament, held from 31 Oct 2025 to 04 Nov 2025 in B C, Tijuana, Mexico. 2 federations represented. Top 10 Elo average was 1230, and top seed was Sid Diego Silva Sobreyra (🇲🇽 MEX, 2062).
Andre Fernando Orta Ruz (🇲🇽 MEX, 2049) won with 4.0/7, ahead of Matias Uziel Alvarado Rubio (4.0) and Samarth Vyas (3.5). Orta Ruz shared the lead from round 3, winning on tie-break.
The biggest upset came in round 2: Samarth Vyas (1711) beat Andre Fernando Orta Ruz (2049), a +338-point gap.
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How it unfolded
Top 6 · 7 roundsTight race until R7; 2 players tied at 4.0/7, decided on Buchholz.
Andre Fernando Orta Ruz takes the sole lead (3.0/4).
2 players finish on 4.0/7. Orta Ruz takes the title on Buchholz Cut1 (11.0).
Matias Uziel Alvarado Rubio lost to Andre Fernando Orta Ruz (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Matias Uziel Alvarado Rubio | * | 0 | 1 | 1 |
| 2Andre Fernando Orta Ruz | 1 | * | 0 | 1 |
| 3Samarth Vyas | 0 | 1 | * | ½ |
| 4Ricardoo Estrada | 0 | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Orta Ruz, Andre Fernando | 2049 | MEX | +2B | −3N | +5B | +6N | +4B | F | F | 4.0 | 11.0 | 11.0 | 7.50 | 1901 | -17.6 |
| 2 | Alvarado Rubio, Matias Uziel | 1923 | MEX | −1N | F | F | +4N | +3B | +5N | +6B | 4.0 | 11.0 | 11.0 | 7.00 | 1943 | +4.4 |
| 3 | Vyas, Samarth | 1711 | CAN | +6N | +1B | F | F | −2N | =4N | +5B | 3.5 | 11.5 | 11.5 | 6.50 | 2014 | +45.2 |
| 4 | Estrada, Ricardoo | 0 | MEX | =5N | F | +6N | −2B | −1N | =3B | F | 2.0 | 13.0 | 13.0 | 2.50 | 1651 | 0.0 |
| 5 | Galvan Rodriguez, Manuel Ivan | 1696 | MEX | =4B | +6B | −1N | F | F | −2B | −3N | 1.5 | 13.5 | 13.5 | 1.00 | 1094 | -32.0 |
| 6 | Maheswari Senthilnathan, Dharshan | 0 | MEX | −3B | −5N | −4B | −1B | F | F | −2N | 0.0 | 15.0 | 15.0 | 0.00 | 1044 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Vyas, SamarthCAN+45.23.5 pts · #1
- 2Alvarado Rubio, Matias UzielMEX+4.44.0 pts · #2
- 3Estrada, RicardooMEX0.02.0 pts · #4
- 1Galvan Rodriguez, Manuel IvanMEX-32.01.5 pts · #6
- 2Orta Ruz, Andre FernandoMEX-17.64.0 pts · #3
- 3Estrada, RicardooMEX0.02.0 pts · #4
- R2+338 Elo gap