Torneo Cerrado de Ajedrez Joscos
10 players participated in this 9-round tournament, held from 03 Mar 2026 to 28 Apr 2026 in Toa Alta, Puerto Rico. Top 10 Elo average was 1693, and top seed was Alberto Llanos Martinez (🇵🇷 PUR, 1918).
Diego Vasquez Pagan (🇵🇷 PUR, 1870) won with 7.0/9, ahead of Jandiel J. Baez Reyes (6.5) and Alberto Llanos Martinez (6.0). Vasquez Pagan clinched sole first place in the final round.
The biggest upset came in round 7: Jandiel J. Baez Reyes (1585) beat Diego Vasquez Pagan (1870), a +285-point gap.
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How it unfolded
Top 10 · 9 roundsDiego Vasquez Pagan led from R3 onwards, the runner-up race stayed tight.
Jandiel J. Baez Reyes takes the sole lead (6.5/8).
Diego Vasquez Pagan lost to Jandiel J. Baez Reyes (White).
Diego Vasquez Pagan 6 wins (R1–R6)Jandiel J. Baez Reyes 6 wins (R3–R8)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇷Vasquez Pagan, Diego | 1870 | * | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 7.0 | 29.00 | 38.0 | +15.2 | 1893 |
| 2 | 🇵🇷Baez Reyes, Jandiel J. | 1585 | 1 | * | 0 | 0 | 1 | 1 | 1 | ½ | 1 | 1 | 6.5 | 24.75 | 38.5 | +131.6 | 1871 |
| 4 | 🇵🇷Llanos Martinez, Alberto | 1918 | 0 | 1 | * | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 6.0 | 24.00 | 39.0 | -44.4 | 1795 |
| 3 | 🇵🇷Pacheco Calderon, Jarek | 1882 | 0 | 1 | 0 | * | ½ | 1 | 1 | 1 | 1 | ½ | 6.0 | 23.25 | 39.0 | -30.0 | 1797 |
| 6 | 🇵🇷Rodriguez Rodriguez, Ian G. | 1660 | 0 | 0 | 1 | ½ | * | 1 | 0 | 0 | 1 | ½ | 4.0 | 16.25 | 41.0 | -2.2 | 1654 |
| 5 | 🇵🇷Pacheco Rosario, Juan C. | 1644 | 0 | 0 | 1 | 0 | 0 | * | 0 | 1 | 1 | 1 | 4.0 | 13.50 | 41.0 | +3.2 | 1655 |
| 7 | 🇵🇷Ortega Rivera, Gadiel L. | 1629 | 0 | 0 | 0 | 0 | 1 | 1 | * | ½ | 1 | ½ | 4.0 | 13.00 | 41.0 | +5.0 | 1657 |
| 8 | 🇵🇷Hernandez Betancourt, David J. | 1595 | 0 | ½ | 0 | 0 | 1 | 0 | ½ | * | ½ | 1 | 3.5 | 12.00 | 41.5 | +7.6 | 1624 |
| 9 | 🇵🇷Chevere Duperoy, Roberto | 1650 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | * | 1 | 2.5 | 10.25 | 42.5 | -60.0 | 1532 |
| 10 | 🇵🇷Fuentes Aledo, Jeremy | 1497 | 0 | 0 | 0 | ½ | ½ | 0 | ½ | 0 | 0 | * | 1.5 | 7.00 | 43.5 | -28.8 | 1439 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Baez Reyes, Jandiel J.PUR+131.66.5 pts · #2
- 2Vasquez Pagan, DiegoPUR+15.27.0 pts · #1
- 3Hernandez Betancourt, David J.PUR+7.63.5 pts · #8
- 1Chevere Duperoy, RobertoPUR-60.02.5 pts · #9
- 2Llanos Martinez, AlbertoPUR-44.46.0 pts · #4
- 3Pacheco Calderon, JarekPUR-30.06.0 pts · #3
- R7+285 Elo gap
- R3+274 Elo gap
- R5+258 Elo gap