Torneo de Ajedrez Emanuel Lasker G2, Libre
Open SwissStandard
14 players participated in this 5-round tournament, held on 19 Oct 2025 in PUE, Tehuacan, Mexico. Top 10 Elo average was 1153, and top seed was Zenon Vazquez Vazquez (🇲🇽 MEX, 1948).
Alejandro Alfonso Hernandez (🇲🇽 MEX, 0) won with 4.0/5, ahead of Jose Eduardo Sanchez Aguilar (3.5) and Alberto Valenti Arellano Cuautle (3.5).
The biggest upset came in round 2: Alberto Yeret Arellano Cuautle (1623) beat Jose Eduardo Sanchez Aguilar (1769), a +146-point gap.
Location
🇲🇽PUE, Tehuacan, Mexico
Dates
19 Oct 2025
Time control
Standard: 60 minutes for game
System
Swiss · 5 rounds
Avg top 10
1,153
Participants
14
Federations · 1 represented
🇲🇽Mexico×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsCo-leaders
7
2
1
1
1
Alfonso Hernandez4Sanchez Aguilar3.5Arellano Cuautle3.5Bravo Garcia3Valencia Espinosa2.5Rodriguez Regules2.5
R3–R5 · WIN STREAK
Alejandro Alfonso Hernandez won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alejandro Alfonso Hernandez | * | — | — | 1 |
| 2Jose Eduardo Sanchez Aguilar | — | * | ½ | — |
| 3Alberto Valenti Arellano Cuautle | — | ½ | * | — |
| 4Sergio Alejandro Bravo Garcia | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Alfonso Hernandez, Alejandro | 0 | MEX | +10B | −?N | +12B | +4N | +6B | 4.0 | 8.5 | 8.5 | 8.50 | 1581 | 0.0 |
| 2 | Sanchez Aguilar, Jose Eduardo | 1769 | MEX | +6N | −9B | =3B | +7N | +5N | 3.5 | 11.0 | 13.0 | 9.25 | 1759 | -2.0 |
| 3 | Arellano Cuautle, Alberto Valenti | 1664 | MEX | +11N | =5B | =2N | +9B | =?B | 3.5 | 9.5 | 9.5 | 6.50 | 1847 | +30.0 |
| 4 | Bravo Garcia, Sergio Alejandro | 1638 | MEX | F | +11B | +10N | −1B | +9N | 3.0 | 9.5 | 9.5 | 5.50 | 2334 | +29.2 |
| 5 | Valencia Espinosa, Carlos | 1776 | MEX | +12B | =3N | +7B | −?N | −2B | 2.5 | 10.5 | 10.5 | 5.25 | 1675 | -16.4 |
| 6 | FIDE 29695597 | 0 | — | −2B | =8N | +14B | +?N | −1N | 2.5 | 10.5 | 10.5 | 1.75 | 968 | 0.0 |
| 7 | Rodriguez Regules, Marcos Rafael | 1594 | MEX | +13N | =?B | −5N | −2B | +11N | 2.5 | 8.5 | 8.5 | 2.50 | 972 | -21.2 |
| 8 | Torres Martinez, Alex Roberto | 0 | MEX | −9N | =6B | −?N | +13N | +12B | 2.5 | 6.5 | 6.5 | 3.25 | 823 | 0.0 |
| 9 | Arellano Cuautle, Alberto Yeret | 1623 | MEX | +8B | +2N | −?B | −3N | −4B | 2.0 | 12.5 | 12.5 | 6.00 | 1564 | -9.6 |
| 10 | Arellano Cuautle, Arelit Melina | 1468 | MEX | −1N | +14B | −4B | +12N | −?B | 2.0 | 8.5 | 8.5 | 1.50 | 838 | -10.0 |
| 11 | Gonzalez Bravo, Luz America | 0 | MEX | −3B | −4N | +13B | =14N | −7B | 1.5 | 10.0 | 10.5 | 1.25 | 831 | 0.0 |
| 12 | Andrade Herrera, Joel Martin | 0 | MEX | −5N | +13B | −1N | −10B | −8N | 1.0 | 11.0 | 12.0 | 1.00 | 810 | 0.0 |
| 13 | Champion Balderas, Joseph Patrick | 0 | MEX | −7B | −12N | −11N | −8B | +14B | 1.0 | 7.5 | 8.0 | 0.50 | 794 | 0.0 |
| 14 | FIDE 29672473 | 0 | — | −?B | −10N | −6N | =11B | −13N | 0.5 | 7.0 | 7.0 | 0.75 | 644 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Arellano Cuautle, Alberto ValentiMEX+30.03.5 pts · #4
- 2Bravo Garcia, Sergio AlejandroMEX+29.23.0 pts · #3
- 3Alfonso Hernandez, AlejandroMEX0.04.0 pts · #2
Top rating losers
- 1Rodriguez Regules, Marcos RafaelMEX-21.22.5 pts · #8
- 2Valencia Espinosa, CarlosMEX-16.42.5 pts · #5
- 3Arellano Cuautle, Arelit MelinaMEX-10.02.0 pts · #13
Biggest upsets
- R2+146 Elo gap