Noches Clasicas con el San Juan Chess Club - Lunes
9 players participated in this 5-round tournament, held from 16 Mar 2026 to 13 Apr 2026 in San Juan, Puerto Rico. 1 titled players. Top 10 Elo average was 1460, and top seed was Gabriel Pinales Roussel (🇵🇷 PUR, CM, 1953).
Arturo Deliz Orengo (🇵🇷 PUR, 1759) won with 3.5/5, ahead of Ian G. Rodriguez Rodriguez (3.0) and Oscar A. Serrano Rivera (2.5). Deliz Orengo won solo starting round 3.
The biggest upset came in round 3: Ian G. Rodriguez Rodriguez (1660) beat Eduardo A. Vera Ramirez (1880), a +220-point gap.
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How it unfolded
Top 6 · 5 roundsArturo Deliz Orengo led from R3; +0.5-point edge over the runner-up.
Arturo Deliz Orengo held the sole lead from R3 through R5 without losing it.
Arturo Deliz Orengo 3 wins (R1–R3)Ian G. Rodriguez Rodriguez 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Arturo Deliz Orengo | * | — | — | 1 |
| 2Ian G. Rodriguez Rodriguez | — | * | — | — |
| 3WCMGabriela S. Vera Perez | — | — | * | — |
| 4Oscar A. Serrano Rivera | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Deliz Orengo, Arturo | 1759 | PUR | +3B | +6N | +?B | =?N | F | 3.5 | 6.5 | 6.5 | 3.50 | 2370 | +5.0 |
| 2 | Rodriguez Rodriguez, Ian G. | 1660 | PUR | −?N | +9B | +?N | +5B | F | 3.0 | 5.0 | 5.0 | 1.50 | 2469 | +20.4 |
| 3 | Serrano Rivera, Oscar A. | 1570 | PUR | −1N | =5B | +6B | +9N | F | 2.5 | 6.0 | 6.0 | 1.75 | 1699 | +10.4 |
| 4 | Vera Perez, Gabriela S.WCM | 1588 | PUR | F | +8N | =?B | −?N | +5B | 2.5 | 1.5 | 1.5 | 1.50 | 2504 | +52.4 |
| 5 | Camacho Fabre, Rafael | 1692 | PUR | −6B | =3N | +8B | −2N | −4N | 1.5 | 9.0 | 9.0 | 1.25 | 1546 | -16.4 |
| 6 | Valentin Baez, Bryan Jay | 0 | PUR | +5N | −1B | −3N | F | F | 1.0 | 8.5 | 8.5 | 1.50 | 1549 | -11.6 |
| 7 | Stuart, Sean | 1511 | PUR | +8B | −?N | F | F | F | 1.0 | 1.0 | 1.0 | 0.00 | 2515 | +30.4 |
| 8 | Nieves Cobian, Angel | 1715 | PUR | −7N | −4B | −5N | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 798 | -78.4 |
| 9 | Velez Feliciano, Vladimir | 1645 | PUR | −?B | −2N | F | −3B | F | 0.0 | 5.5 | 5.5 | 0.00 | 815 | -43.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Vera Perez, Gabriela S.WCMPUR+52.42.5 pts · #1
- 2Stuart, SeanPUR+30.41.0 pts · #7
- 3Rodriguez Rodriguez, Ian G.PUR+20.43.0 pts · #2
- 1Nieves Cobian, AngelPUR-78.40.0 pts · #8
- 2Velez Feliciano, VladimirPUR-43.20.0 pts · #9
- 3Camacho Fabre, RafaelPUR-16.41.5 pts · #4
- R3+220 Elo gap
- R1+204 Elo gap
- R2+127 Elo gap