I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Cuarta
Open SwissStandard
24 players participated in this 8-round tournament, held from 15 Oct 2025 to 19 Oct 2025 in N L, Monterrey, Mexico. Top 10 Elo average was 0, and top seed was Juan Camilo Castro Parra (🇨🇴 COL, 1558).
Sebastian Rodriguez Reyna (🇲🇽 MEX, 0) won with 6.5/8. Rodriguez Reyna won on tie-break after catching the field in the final round.
Location
🇲🇽N L, Monterrey, Mexico
Dates
15 Oct 2025 → 19 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Avg top 10
0
Participants
24
Federations · 1 represented
🇲🇽Mexico×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTight race until R6; 3 players tied at 6.5/8, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.
Co-leaders
20
7
4
2
1
1
1
3
R6 · LEADER CHANGE18 Oct
FIDE 550012479 takes the sole lead (5.5/6).
R8 · TIEBREAK CLUSTER
3 players finish on 6.5/8. Rodriguez Reyna takes the title on Buchholz Cut1 (28.0).
R8 · HEAD-TO-HEAD · WINNER VS 2ND
FIDE 550012479 lost to Emilio Enik Echaverria Rodriguez (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FIDE 550012479 | * | 0 | 1 | 1 |
| 2Emilio Enik Echaverria Rodriguez | 1 | * | ½ | — |
| 3Sebastian Rodriguez Reyna | 0 | ½ | * | 1 |
| 4FIDE 550012517 | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rodriguez Reyna, Sebastian | 0 | MEX | +?N | +?B | =3N | −2N | +6B | +8B | +4N | +?B | 6.5 | 28.0 | 28.0 | 18.25 | 1578 | 0.0 |
| 2 | FIDE 550012479 | 0 | — | +15N | =?B | +?N | +1B | +?N | +4B | +?N | −3N | 6.5 | 22.0 | 22.0 | 15.50 | 1564 | 0.0 |
| 3 | Echaverria Rodriguez, Emilio Enik | 0 | MEX | +?B | =6N | =1B | =?N | +?B | +?N | +?N | +2B | 6.5 | 17.5 | 17.5 | 12.00 | 1533 | 0.0 |
| 4 | FIDE 550012517 | 0 | — | +?N | +?B | +?N | +9N | +5B | −2N | −1B | +?B | 6.0 | 22.5 | 22.5 | 9.50 | 1509 | 0.0 |
| 5 | Falcon Moreno, Hector Manuel | 0 | MEX | +?N | +7B | +?B | +?N | −4N | −?B | −?N | +?B | 5.0 | 10.5 | 10.5 | 4.50 | 1584 | 0.0 |
| 6 | FIDE 29690609 | 0 | — | +10N | =3B | +?N | −?B | −1N | +?B | −7N | +?B | 4.5 | 21.5 | 21.5 | 7.25 | 1536 | 0.0 |
| 7 | Tzab Loeza, Angel Rene | 0 | MEX | +?B | −5N | −14B | +18N | =21B | +16N | +6B | −?B | 4.5 | 19.5 | 19.5 | 10.25 | 689 | 0.0 |
| 8 | FIDE 550012509 | 0 | — | +19B | +?N | −?B | =?N | +?B | −1N | −?B | +11N | 4.5 | 12.0 | 12.0 | 5.50 | 1513 | 0.0 |
| 9 | Arambula Aguirre, Abraham Alejand | 0 | MEX | +?N | +?B | +?N | −4B | +?N | −?B | −?N | =?N | 4.5 | 6.0 | 6.0 | 0.00 | 1555 | 0.0 |
| 10 | FIDE 396111240 | 0 | — | −6B | +?N | −?B | −?N | +19B | +18N | −?B | +14N | 4.0 | 11.5 | 11.5 | 7.00 | 700 | 0.0 |
| 11 | FIDE 5181100 | 0 | — | −?N | +?B | =?N | =?B | +20N | +?B | −?N | −8B | 4.0 | 6.0 | 6.0 | 1.50 | 758 | 0.0 |
| 12 | FIDE 550012533 | 0 | — | −?B | +19N | −?N | +?B | +17N | −?B | +?N | −?B | 4.0 | 4.5 | 4.5 | 4.50 | 1558 | 0.0 |
| 13 | FIDE 550012592 | 0 | — | +?N | −?B | −?N | −20B | +?N | −?B | +19N | +?B | 4.0 | 3.0 | 3.0 | 1.50 | 1495 | 0.0 |
| 14 | FIDE 550012584 | 0 | — | +?B | −?N | +7N | +?B | −?N | −?B | =?N | −10B | 3.5 | 8.5 | 8.5 | 4.50 | 724 | 0.0 |
| 15 | FIDE 550012630 | 0 | — | −2B | +?N | −?B | +?N | −?B | −?N | +23B | −?B | 3.0 | 7.5 | 7.5 | 1.00 | 1520 | 0.0 |
| 16 | FIDE 550012649 | 0 | — | −?N | F | +?B | −?B | =?N | −7B | +18N | =?B | 3.0 | 6.5 | 6.5 | 2.00 | 1520 | 0.0 |
| 17 | FIDE 550012614 | 0 | — | −?B | +?N | +?B | −?N | −12B | −?N | +?B | −?N | 3.0 | 4.0 | 4.0 | 0.00 | 707 | 0.0 |
| 18 | FIDE 29693632 | 0 | — | −?B | +20N | −?N | −7B | +?N | −10B | −16B | −?N | 2.0 | 13.0 | 13.0 | 1.50 | 1578 | 0.0 |
| 19 | FIDE 29660629 | 0 | — | −8N | −12B | −?N | +22B | −10N | =?B | −13B | −24N | 1.5 | 19.0 | 19.0 | 1.50 | 1558 | 0.0 |
| 20 | FIDE 29670691 | 0 | — | −22N | −18B | F | +13N | −11B | −?B | −?N | =?B | 1.5 | 12.5 | 12.5 | 4.00 | 758 | 0.0 |
| 21 | FIDE 550012606 | 0 | — | F | F | F | −?B | =7N | −?B | =?N | =?B | 1.5 | 4.5 | 4.5 | 2.25 | 1308 | 0.0 |
| 22 | FIDE 550012568 | 0 | — | +20B | −?N | −?B | −19N | −?B | −23N | =?B | F | 1.5 | 4.0 | 4.0 | 1.50 | 707 | 0.0 |
| 23 | Macxon Rios, Arturo | 0 | MEX | −?N | −?B | −?N | −?B | F | +22B | −15N | −?B | 1.0 | 4.5 | 4.5 | 1.50 | 716 | 0.0 |
| 24 | FIDE 550012460 | 0 | — | −?N | −?B | F | F | −?N | F | F | +19B | 1.0 | 3.0 | 3.0 | 1.50 | 758 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Falcon Moreno, Hector ManuelMEX0.05.0 pts · #1
- 2Tzab Loeza, Angel ReneMEX0.04.5 pts · #23
- 3FIDE 51811000.04.0 pts · #18
Top rating losers
- 1Falcon Moreno, Hector ManuelMEX0.05.0 pts · #1
- 2Tzab Loeza, Angel ReneMEX0.04.5 pts · #23
- 3FIDE 51811000.04.0 pts · #18