Torneo ONA Ajedrez Supremo Del Sur- Este Cat Abierta
12 players participated in this 5-round tournament, held from 10 Oct 2025 to 12 Oct 2025 in Patillas, Puerto Rico. 2 titled players. Top 10 Elo average was 1761, and top seed was Jaime Rodriguez Santiago (π΅π· PUR, FM, 2132).
Joshua Pedrosa Rivera (π΅π· PUR, 1836) won with 4.5/5, ahead of Jose A. Lopez Rivera (3.5) and Daniel Sotelo Kohama (3.0). Pedrosa Rivera won solo starting round 3.
The biggest upset came in round 5: Joshua Pedrosa Rivera (1836) beat Daniel Sotelo Kohama (1977), a +141-point gap.
- π₯
- π₯
- π₯
How it unfolded
Top 6 Β· 5 roundsJoshua Pedrosa Rivera led from R3; +1.0-point edge over the runner-up.
Joshua Pedrosa Rivera never relinquished the lead after R3; final gap +1.0 over the runner-up.
Joshua Pedrosa Rivera beat Jose A. Lopez Rivera (Black).
Joshua Pedrosa Rivera won 3 in a row (R1βR3).
Key matchups Β· top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Joshua Pedrosa Rivera | * | 1 | 1 | Β½ |
| 2Jose A. Lopez Rivera | 0 | * | β | β |
| 3Daniel Sotelo Kohama | 0 | β | * | Β½ |
| 4FMJaime Rodriguez Santiago | Β½ | β | Β½ | * |
Grille amΓ©ricaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Ξ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pedrosa Rivera, Joshua | 1836 | PUR | +6N | +12B | +2N | =4B | +3N | 4.5 | 12.0 | 12.0 | 10.50 | 2207 | +66.8 |
| 2 | Lopez Rivera, Jose A. | 1793 | PUR | +9B | +8N | β1B | +5N | =7B | 3.5 | 12.0 | 13.0 | 7.25 | 1868 | +11.0 |
| 3 | Sotelo Kohama, Daniel | 1977 | PUR | =5B | +10N | =4B | +8N | β1B | 3.0 | 12.5 | 13.5 | 6.00 | 1875 | -10.2 |
| 4 | Rodriguez Santiago, JaimeFM | 2132 | PUR | F | +7B | =3N | =1N | +8B | 3.0 | 12.0 | 12.0 | 8.25 | 2040 | -6.6 |
| 5 | Alvarado Perez, Coralys M.WCM | 1704 | PUR | =3N | =6B | +12N | β2B | +9B | 3.0 | 10.0 | 10.0 | 3.75 | 1706 | -0.4 |
| 6 | Rivera Irizarry, Denzel F. | 1580 | PUR | β1B | =5N | +11B | β7N | +10N | 2.5 | 11.0 | 12.0 | 3.50 | 1674 | +22.8 |
| 7 | Burgos Rodriguez, Edison | 1816 | PUR | F | β4N | +10B | +6B | =2N | 2.5 | 10.0 | 10.0 | 5.25 | 1856 | +4.2 |
| 8 | Ortiz Ocasio, Jose Antonio | 1760 | PUR | +11N | β2B | +9N | β3B | β4N | 2.0 | 10.5 | 11.5 | 2.00 | 1697 | -9.2 |
| 9 | Reyes Rivera, Derek R. | 1472 | PUR | β2N | +11B | β8B | F | β5N | 1.0 | 9.5 | 9.5 | 1.00 | 1490 | +0.4 |
| 10 | Cintron Rivera, Jaime | 1540 | PUR | F | β3B | β7N | +11N | β6B | 1.0 | 9.0 | 9.0 | 1.00 | 1508 | -5.8 |
| 11 | Tirado Vazquez, Luis J. | 1469 | PUR | β8B | β9N | β6N | β10B | +12B | 1.0 | 6.5 | 6.5 | 0.00 | 788 | -56.0 |
| 12 | Torres De Jesus, Javier | 0 | PUR | F | β1N | β5B | F | β11N | 0.0 | 9.5 | 9.5 | 0.00 | 871 | 0.0 |
Key insights
Biggest movers and upsets β the story behind the numbers.
- 1Pedrosa Rivera, JoshuaPUR+66.84.5 pts Β· #1
- 2Rivera Irizarry, Denzel F.PUR+22.82.5 pts Β· #5
- 3Lopez Rivera, Jose A.PUR+11.03.5 pts Β· #2
- 1Tirado Vazquez, Luis J.PUR-56.01.0 pts Β· #12
- 2Sotelo Kohama, DanielPUR-10.23.0 pts Β· #3
- 3Ortiz Ocasio, Jose AntonioPUR-9.22.0 pts Β· #8
- R5+141 Elo gap