Juegos Deportivos Infantiles, Juveniles y Paralimpicos de Ajedrez de la Ciudad de Mexico 2025-2026. Sub 12 Femenil
10 players participated in this 7-round tournament, held from 31 Jan 2026 to 02 Feb 2026 in CDM, Ciudad de Mexico, Mexico. Top 10 Elo average was 0, and top seed was Yelizaveta Avalos Varavina (🇲🇽 MEX, 1554).
Andrea Jatziry Peralta Isidro (🇲🇽 MEX, 0) won with 6.0/7, ahead of Ana Karina Ibanez Calva (5.0) and Luna Estephania Lopez Arevalo (4.5). Peralta Isidro shared the lead from round 1, winning on tie-break.
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How it unfolded
Top 6 · 7 roundsAndrea Jatziry Peralta Isidro led from R4; +1.0-point edge over the runner-up.
Andrea Jatziry Peralta Isidro never relinquished the lead after R4; final gap +1.0 over the runner-up.
Andrea Jatziry Peralta Isidro beat Ana Karina Ibanez Calva (White).
Andrea Jatziry Peralta Isidro 4 wins (R1–R4)Ana Karina Ibanez Calva 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Andrea Jatziry Peralta Isidro | * | 1 | 1 | 1 |
| 2Ana Karina Ibanez Calva | 0 | * | — | 1 |
| 3Luna Estephania Lopez Arevalo | 0 | — | * | 0 |
| 4Ariadne Salgado Arce | 0 | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Peralta Isidro, Andrea Jatziry | 0 | MEX | +?B | +?N | +4B | +2B | −?N | +3B | +5N | 6.0 | 17.0 | 17.0 | 17.00 | 744 | 0.0 |
| 2 | Ibanez Calva, Ana Karina | 0 | MEX | +?N | +?B | +7B | −1N | +4N | −?B | +?B | 5.0 | 13.0 | 13.0 | 7.00 | 1550 | 0.0 |
| 3 | Lopez Arevalo, Luna Estephania | 0 | MEX | +?B | −4N | =?B | +5N | +?B | −1N | +6B | 4.5 | 17.0 | 17.0 | 7.00 | 1564 | 0.0 |
| 4 | Salgado Arce, Ariadne | 0 | MEX | +?N | +3B | −1N | +6N | −2B | +?B | −?N | 4.0 | 19.0 | 19.0 | 8.00 | 1550 | 0.0 |
| 5 | FIDE 550020927 | 0 | — | =6B | −?N | +?N | −3B | +?N | +?B | −1B | 3.5 | 14.0 | 14.0 | 1.75 | 1550 | 0.0 |
| 6 | Perez Cruz, Valentina | 0 | MEX | =5N | =?B | +8N | −4B | =?B | +?N | −3N | 3.5 | 13.0 | 13.0 | 2.75 | 1555 | 0.0 |
| 7 | Ramos Alfaro, Eliana Anheli | 0 | MEX | F | +8B | −2N | −?N | +?B | −?N | +?B | 3.0 | 7.0 | 7.0 | 1.00 | 744 | 0.0 |
| 8 | FIDE 550020919 | 0 | — | +10B | −7N | −6B | −?N | −?N | F | −9B | 1.0 | 7.5 | 7.5 | 0.00 | 755 | 0.0 |
| 9 | FIDE 550020935 | 0 | — | F | F | −?N | −?B | F | −?B | +8N | 1.0 | 4.0 | 4.0 | 1.00 | 755 | 0.0 |
| 10 | FIDE 550020960 | 0 | — | −8N | F | −?B | F | F | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 744 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Perez Cruz, ValentinaMEX0.03.5 pts · #5
- 2Ramos Alfaro, Eliana AnheliMEX0.03.0 pts · #9
- 3Ibanez Calva, Ana KarinaMEX0.05.0 pts · #1
- 1Perez Cruz, ValentinaMEX0.03.5 pts · #5
- 2Ramos Alfaro, Eliana AnheliMEX0.03.0 pts · #9
- 3Ibanez Calva, Ana KarinaMEX0.05.0 pts · #1