FIDE Yucatan Julio 2025 Grupo A
6 players participated in this 5-round tournament, held from 04 Jul 2025 to 06 Jul 2025 in YUC, Merida, Mexico. Top 10 Elo average was 1648, and top seed was Ivana Daniela May Sanchez (🇲🇽 MEX, 1713).
Aleksei Istomin (🇲🇽 MEX, 1695) won with 4.5/5, ahead of Fernando Arturo Alvarez Maliachi (3.0) and Ivana Daniela May Sanchez (2.5). Istomin won solo starting round 2.
The biggest upset came in round 5: Cronos Galaviz Medina (1547) beat Milagros Monserrat Colonia Uribe (1694), a +147-point gap.
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How it unfolded
Top 6 · 5 roundsAleksei Istomin led from R2 onwards, the runner-up race stayed tight.
Aleksei Istomin never relinquished the lead after R2; final gap +1.5 over the runner-up.
Aleksei Istomin opens a +1.5-point gap over the chasing pack (closest: Fernando Arturo Alvarez Maliachi); the title is out of reach before R5.
Aleksei Istomin beat Fernando Arturo Alvarez Maliachi (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇲🇽Istomin, Aleksei | 1695 | * | 1 | 1 | 1 | 1 | ½ | 4.5 | 10.25 | 10.5 | +64.8 | 2004 |
| 2 | 🇲🇽Alvarez Maliachi, Fernando Arturo | 1631 | 0 | * | 0 | 1 | 1 | 1 | 3.0 | 5.00 | 12.0 | +25.2 | 1723 |
| 3 | 🇲🇽May Sanchez, Ivana Daniela | 1713 | 0 | 1 | * | ½ | 0 | 1 | 2.5 | 4.75 | 12.5 | -21.6 | 1634 |
| 4 | 🇲🇽Galaviz Medina, Cronos | 1547 | 0 | 0 | ½ | * | 1 | 1 | 2.5 | 3.75 | 12.5 | +32.8 | 1668 |
| 5 | 🇲🇽Olguin Puc, Angel De Jesus | 1605 | 0 | 0 | 1 | 0 | * | 1 | 2.0 | 3.00 | 13.0 | -6.0 | 1584 |
| 6 | 🇲🇽Colonia Uribe, Milagros Monserrat | 1694 | ½ | 0 | 0 | 0 | 0 | * | 0.5 | 2.25 | 14.5 | -95.2 | 1272 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Istomin, AlekseiMEX+64.84.5 pts · #1
- 2Galaviz Medina, CronosMEX+32.82.5 pts · #4
- 3Alvarez Maliachi, Fernando ArturoMEX+25.23.0 pts · #2
- 1Colonia Uribe, Milagros MonserratMEX-95.20.5 pts · #6
- 2May Sanchez, Ivana DanielaMEX-21.62.5 pts · #3
- 3Olguin Puc, Angel De JesusMEX-6.02.0 pts · #5
- R5+147 Elo gap
- R4+108 Elo gap