North American School Chess Championship Tijuana-Mexico 2025. U13 Fem
5 players participated in this 5-round tournament, held from 31 Oct 2025 to 04 Nov 2025 in B C, Tijuana, Mexico. 1 titled players. Top 10 Elo average was 969, and top seed was Dana Katherine Tuk Martin (🇲🇽 MEX, WCM, 1737).
Yaiza Violeta Noriega Avilez (🇲🇽 MEX, 1696) won with 3.5/5, ahead of Layla Constanza Bravo Alvarez (2.5) and Dana Katherine Tuk Martin (1.5).
The biggest upset came in round 2: Layla Constanza Bravo Alvarez (1411) beat Dana Katherine Tuk Martin (WCM, 1737), a +326-point gap.
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How it unfolded
Top 5 · 5 roundsYaiza Violeta Noriega Avilez led from R3; +1.0-point edge over the runner-up.
Yaiza Violeta Noriega Avilez takes the sole lead (2.0/3).
Yaiza Violeta Noriega Avilez beat Layla Constanza Bravo Alvarez (White).
Yaiza Violeta Noriega Avilez won 3 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Yaiza Violeta Noriega Avilez | * | 1 | 1 | ½ |
| 2Layla Constanza Bravo Alvarez | 0 | * | 1 | 1 |
| 3Liliana Villalobos Rendon | 0 | 0 | * | 1 |
| 4WCMDana Katherine Tuk Martin | ½ | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Noriega Avilez, Yaiza Violeta | 1696 | MEX | +5B | F | +2B | +4B | =3N | 3.5 | 6.5 | 6.5 | 5.75 | 1767 | +8.8 |
| 2 | Bravo Alvarez, Layla Constanza | 1411 | MEX | F | +3B | −1N | =5B | +4N | 2.5 | 7.5 | 7.5 | 3.50 | 1714 | +28.4 |
| 3 | Tuk Martin, Dana KatherineWCM | 1737 | MEX | −4N | −2N | +5B | F | =1B | 1.5 | 8.5 | 8.5 | 2.75 | 1359 | -37.2 |
| 4 | Villalobos Rendon, Liliana | 0 | MEX | +3B | =5N | F | −1N | −2B | 1.5 | 8.5 | 8.5 | 2.00 | 1488 | -17.2 |
| 5 | Marquez Corona, Ana Regina | 0 | MEX | −1N | =4B | −3N | =2N | F | 1.0 | 9.0 | 9.0 | 2.00 | 1340 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Bravo Alvarez, Layla ConstanzaMEX+28.42.5 pts · #3
- 2Noriega Avilez, Yaiza VioletaMEX+8.83.5 pts · #1
- 3Marquez Corona, Ana ReginaMEX0.01.0 pts · #5
- 1Tuk Martin, Dana KatherineWCMMEX-37.21.5 pts · #4
- 2Villalobos Rendon, LilianaMEX-17.21.5 pts · #2
- 3Marquez Corona, Ana ReginaMEX0.01.0 pts · #5
- R2+326 Elo gap