II Torneo Internacional de Ajedrez Jose Celso Barbosa Grupo C (U1600)
14 players participated in this 5-round tournament, held from 20 Jul 2025 to 27 Jul 2025 in Bayamon, Puerto Rico. Top 10 Elo average was 461, and top seed was David J. Hernandez Betancourt (🇵🇷 PUR, 1573).
Kiara L. Vazquez Otero (🇵🇷 PUR, 1505) won with 4.0/5, ahead of Jaime Cintron Rivera (4.0) and David J. Hernandez Betancourt (4.0). Vazquez Otero won on tie-break after catching the field in the final round.
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How it unfolded
Top 6 · 5 roundsTight race until R4; 3 players tied at 4.0/5, decided on Buchholz.
David J. Hernandez Betancourt held the sole lead from R4 through R5 without losing it.
3 players finish on 4.0/5. Vazquez Otero takes the title on Buchholz Cut1 (14.5).
David J. Hernandez Betancourt beat Kiara L. Vazquez Otero (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1David J. Hernandez Betancourt | * | 1 | 0 | — |
| 2Kiara L. Vazquez Otero | 0 | * | 1 | 1 |
| 3Jaime Cintron Rivera | 1 | 0 | * | — |
| 4Javier Sierra Adorno | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vazquez Otero, Kiara L. | 1505 | PUR | +6B | +4N | +2B | −3B | +8N | 4.0 | 14.5 | 16.5 | 12.50 | 1553 | +5.2 |
| 2 | Cintron Rivera, Jaime | 1533 | PUR | +5N | +12B | −1N | +11B | +3N | 4.0 | 12.5 | 13.5 | 9.50 | 1540 | +0.4 |
| 3 | Hernandez Betancourt, David J. | 1573 | PUR | +13B | +9N | +7B | +1N | −2B | 4.0 | 12.0 | 13.0 | 9.00 | 1520 | -6.0 |
| 4 | Sierra Adorno, Javier | 0 | PUR | +?N | −1B | +5N | =?B | +11N | 3.5 | 8.5 | 8.5 | 4.50 | 1295 | 0.0 |
| 5 | FIDE 3113175 | 0 | — | −2B | +?N | −4B | +?N | +?B | 3.0 | 7.5 | 7.5 | 0.00 | 733 | 0.0 |
| 6 | Perez Carrasco, Isaac | 0 | PUR | −1N | +?B | +?N | −7B | +?N | 3.0 | 6.0 | 6.0 | 0.00 | 706 | 0.0 |
| 7 | Tavhare Mashere, Tanvi | 0 | PUR | F | +14B | −3N | +6N | −?B | 2.0 | 8.0 | 8.0 | 4.00 | 773 | 0.0 |
| 8 | Quiles Guzman, Emmanuel | 0 | PUR | −?B | +13N | F | +14N | −1B | 2.0 | 7.0 | 7.0 | 2.00 | 688 | 0.0 |
| 9 | Fernandez Cintron, Dariel | 0 | PUR | +?N | −3B | −10N | −?B | +?N | 2.0 | 6.0 | 6.0 | 0.00 | 773 | 0.0 |
| 10 | FIDE 3115569 | 0 | — | +?B | −?N | +9B | F | F | 2.0 | 2.0 | 2.0 | 2.00 | 669 | 0.0 |
| 11 | Tavhare Mashere, Suraj | 0 | PUR | =?B | +?N | F | −2N | −4B | 1.5 | 7.5 | 7.5 | 0.00 | 733 | 0.0 |
| 12 | FIDE 3115348 | 0 | — | +?B | −2N | F | F | F | 1.0 | 6.0 | 6.0 | 0.00 | 733 | 0.0 |
| 13 | FIDE 3119106 | 0 | — | −3N | −8B | −?N | +?B | −?B | 1.0 | 6.0 | 6.0 | 0.00 | 773 | 0.0 |
| 14 | FIDE 3117057 | 0 | — | +?B | −7N | F | −8B | −?N | 1.0 | 4.0 | 4.0 | 0.00 | 669 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Vazquez Otero, Kiara L.PUR+5.24.0 pts · #2
- 2Cintron Rivera, JaimePUR+0.44.0 pts · #3
- 3FIDE 31131750.03.0 pts · #6
- 1Hernandez Betancourt, David J.PUR-6.04.0 pts · #1
- 2FIDE 31131750.03.0 pts · #6
- 3Quiles Guzman, EmmanuelPUR0.02.0 pts · #11