II Torneo Internacional de Ajedrez Jose Celso Barbosa Grupo A (Abierta)
Open SwissStandard
38 players participated in this 9-round tournament, held from 20 Jul 2025 to 27 Jul 2025 in Bayamon, Puerto Rico. 13 titled players from 5 federations. Top 10 Elo average was 2179, and top seed was Neuris Delgado Ramirez (🇵🇾 PAR, GM, 2482).
Neuris Delgado Ramirez (🇵🇾 PAR, GM, 2482) won with 8.5/9, ahead of Sergio Duran Vega (8.0) and Jaime Rodriguez Santiago (6.5). Delgado Ramirez shared the lead from round 5 and won solo starting round 7.
The biggest upset came in round 7: Gadiel L. Ortega Rivera (1567) beat Edwardo Rivera Hazim (2033), a +466-point gap.
Location
🇵🇷Bayamon, Puerto Rico
Dates
20 Jul 2025 → 27 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 13
GM×1
IM×1
FM×6
CM×3
WIM×1
WCM×1
Federations · 5 represented
🇵🇷Puerto Rico×32
🇩🇴Dominican Republic×2
🇺🇸United States of America×2
🇵🇾Paraguay×1
🇨🇷Costa Rica×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsGM Neuris Delgado Ramirez led from R7; +0.5-point edge over the runner-up.
Co-leaders
11
7
3
1
2
2
1
1
1
R7 · LEADER CHANGE25 Jul
GM Neuris Delgado Ramirez takes the sole lead (6.5/7).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
GM Neuris Delgado Ramirez drew with IM Sergio Duran Vega (Black).
WIN STREAKS · 3 top finishers
GM Neuris Delgado Ramirez 3+5 wins (R1–R3, R5–R9)IM Sergio Duran Vega 3 wins (R1–R3)FM Jaime Rodriguez Santiago 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMNeuris Delgado Ramirez | * | ½ | 1 | 1 |
| 2IMSergio Duran Vega | ½ | * | ½ | — |
| 3FMJaime Rodriguez Santiago | 0 | ½ | * | — |
| 4CMDiego Zilleruelo Irizarry | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Delgado Ramirez, NeurisGM | 2482 | PAR | +18B | +30N | +8B | =2N | +3B | +5N | +4B | +9N | +6B | 8.5 | 46.5 | 49.0 | 45.00 | 2560 | +4.8 |
| 2 | Duran Vega, SergioIM | 2350 | CRC | +31N | +10B | +5N | =1B | +7N | +28B | =3N | +12B | +4N | 8.0 | 45.0 | 47.5 | 40.00 | 2420 | +7.1 |
| 3 | Rodriguez Santiago, JaimeFM | 2073 | PUR | +26N | +38B | +6N | +4B | −1N | +7B | =2B | =11N | =9B | 6.5 | 47.0 | 47.0 | 29.00 | 2238 | +40.4 |
| 4 | Amaya, Brayan Angel | 1917 | USA | +29B | +9N | =13B | −3N | +11N | +6B | −1N | +19B | −2B | 5.5 | 48.0 | 51.0 | 25.75 | 2127 | +48.4 |
| 5 | Diaz Montes, EdwinCM | 2033 | PUR | +22B | +34N | −2B | +13N | +9B | −1B | −6N | =8N | +16B | 5.5 | 46.0 | 48.0 | 23.25 | 2134 | +20.8 |
| 6 | Fellman, MikeFM | 2088 | PUR | +23B | +24N | −3B | +17N | =12B | −4N | +5B | +13N | −1N | 5.5 | 44.0 | 47.0 | 24.00 | 2122 | +8.2 |
| 7 | Torres, JavierFM | 2077 | USA | =16B | +17N | +15B | +20N | −2B | −3N | −11B | +21N | +14B | 5.5 | 42.0 | 46.0 | 23.75 | 2050 | -4.0 |
| 8 | Zilleruelo Irizarry, DiegoCM | 2085 | PUR | +33N | +25B | −1N | −28B | +14N | +10B | −12N | =5B | +15N | 5.5 | 39.5 | 41.5 | 22.25 | 2054 | -6.0 |
| 9 | Toro Cruz, Sebastian J.FM | 2108 | PUR | +21N | −4B | +24B | +30N | −5N | +25B | +28N | −1B | =3N | 5.5 | 39.0 | 41.5 | 18.75 | 2065 | -8.6 |
| 10 | Morales Santos, NatashaWIM | 1957 | PUR | +27B | −2N | +23B | −12N | +24B | −8N | +20B | =14N | +13B | 5.5 | 38.5 | 41.5 | 20.75 | 2052 | +22.2 |
| 11 | Almedina Ortiz, Edgardo J.FM | 2211 | PUR | F | F | +32N | +18N | −4B | +21B | +7N | =3B | +12N | 5.5 | 36.5 | 36.5 | 24.75 | 2188 | -0.6 |
| 12 | Jaquez, Juan ManuelCM | 2151 | DOM | F | +26B | +25N | +10B | =6N | =13N | +8B | −2N | −11B | 5.0 | 40.5 | 43.5 | 22.00 | 2149 | +2.8 |
| 13 | Ramirez Reyes, Braulio FernandoFM | 2164 | DOM | =14N | +32B | =4N | −5B | +18N | =12B | +17N | −6B | −10N | 4.5 | 40.5 | 43.0 | 19.00 | 1946 | -46.8 |
| 14 | Done Sanchez, Andrews J. | 1825 | PUR | =13B | +16N | −20B | =15N | −8B | +26N | +29N | =10B | −7N | 4.5 | 37.0 | 40.0 | 17.75 | 1906 | +34.8 |
| 15 | Pacheco Calderon, Jarek | 1875 | PUR | =37N | +19B | −7N | =14B | =21N | =17N | =16B | +20N | −8B | 4.5 | 36.5 | 37.0 | 17.00 | 1869 | -1.6 |
| 16 | Lopez Rivera, Jose A. | 1758 | PUR | =7N | −14B | +31N | −25B | =27N | +18B | =15N | +17B | −5N | 4.5 | 35.0 | 37.5 | 18.00 | 1876 | +26.8 |
| 17 | Ayala Sanchez, Abnel | 1921 | PUR | +36N | −7B | +33N | −6B | +19N | =15B | −13B | −16N | +26B | 4.5 | 33.5 | 35.5 | 13.25 | 1851 | -14.6 |
| 18 | Gonzalez Gonzalez, Enoel | 1860 | PUR | −1N | +35B | +38N | −11B | −13B | −16N | =32B | +34N | +19N | 4.5 | 33.5 | 33.5 | 9.25 | 1820 | -12.4 |
| 19 | Ortega Rivera, Gadiel L. | 1567 | PUR | =20B | −15N | =22B | +26N | −17B | +23N | +30B | −4N | −18B | 4.0 | 34.0 | 36.5 | 13.50 | 1817 | +51.2 |
| 20 | Melendez Padilla, Isabelo | 1901 | PUR | =19N | +37B | +14N | −7B | −28N | +22B | −10N | −15B | =31B | 4.0 | 33.5 | 34.0 | 12.25 | 1755 | -31.4 |
| 21 | Burgos Rodriguez, Edison | 1818 | PUR | −9B | +27N | −30B | +34N | =15B | −11N | =22N | −7B | +35B | 4.0 | 32.5 | 34.5 | 11.25 | 1835 | -1.6 |
| 22 | Torres Acosta, Gael | 1739 | PUR | −5N | =31B | =19N | +38B | =33N | −20N | =21B | +24B | F | 4.0 | 25.0 | 25.0 | 9.25 | 1788 | +19.2 |
| 23 | Vega Jimenez, Keyshla M.WCM | 1810 | PUR | −6N | +36B | −10N | F | +32B | −19B | +38N | +35N | F | 4.0 | 21.5 | 21.5 | 6.50 | 1789 | -3.2 |
| 24 | Velazquez Rivera, Pedro J. | 1828 | PUR | F | −6B | −9N | +35B | −10N | −29B | +27N | −22N | +33B | 3.0 | 34.0 | 36.0 | 7.00 | 1735 | -22.2 |
| 25 | Patel, Dhyaan | 1823 | PUR | F | −8N | −12B | +16N | +30B | −9N | +34B | F | F | 3.0 | 30.0 | 30.0 | 9.00 | 1955 | +28.4 |
| 26 | Patel, Yash | 1752 | PUR | −3B | −12N | F | −19B | +38N | −14B | +36N | +29B | −17N | 3.0 | 30.0 | 30.0 | 5.00 | 1699 | -31.6 |
| 27 | Lugo Cruz, Yahir | 1634 | PUR | −10N | −21B | +36N | =33B | =16B | =30N | −24B | =32N | F | 3.0 | 26.0 | 26.0 | 7.75 | 1721 | +26.8 |
| 28 | Carrion Perez, Louis E. | 1856 | PUR | F | F | +34B | +8N | +20B | −2N | −9B | F | F | 3.0 | 25.0 | 25.0 | 11.50 | 2088 | +21.6 |
| 29 | Rodriguez Rodriguez, Ian G. | 1582 | PUR | −4N | −33B | −35N | F | +31B | +24N | −14B | −26N | +34B | 3.0 | 24.5 | 26.5 | 7.50 | 1645 | +8.4 |
| 30 | Rivera Hazim, Edwardo | 2033 | PUR | +35N | −1B | +21N | −9B | −25N | =27B | −19N | F | F | 2.5 | 30.0 | 30.0 | 7.50 | 1777 | -44.8 |
| 31 | Rivera Valentin, Christian Z. | 1838 | PUR | −2B | =22N | −16B | =32N | −29N | −36B | F | +38B | =20N | 2.5 | 28.0 | 28.0 | 5.25 | 1618 | -47.2 |
| 32 | Vasquez Pagan, Diego | 1687 | PUR | F | −13N | −11B | =31B | −23N | +38B | =18N | =27B | F | 2.5 | 24.0 | 24.0 | 5.00 | 1736 | +7.6 |
| 33 | Muniz Matta, Carlos A. | 1762 | PUR | −8B | +29N | −17B | =27N | =22B | −34N | −35B | F | −24N | 2.0 | 27.0 | 27.0 | 6.50 | 1626 | -27.0 |
| 34 | Santiago Santiago, Luis D. | 0 | PUR | F | −5B | −28N | −21B | +35N | +33B | −25N | −18B | −29N | 2.0 | 27.0 | 27.0 | 4.00 | 1612 | 0.0 |
| 35 | Camacho Fabre, Rafael | 1702 | PUR | −30B | −18N | +29B | −24N | −34B | F | +33N | −23B | −21N | 2.0 | 25.0 | 25.0 | 5.00 | 1655 | -10.2 |
| 36 | Alvarez Tapia, Wilfredo | 1618 | PUR | −17B | −23N | −27B | F | F | +31N | −26B | F | +38N | 2.0 | 20.0 | 20.0 | 2.50 | 1626 | 0.0 |
| 37 | Gluck Schifter, Michael | 0 | PUR | =15B | −20N | F | F | F | F | F | F | F | 0.5 | 11.5 | 11.5 | 2.25 | 1695 | 0.0 |
| 38 | Quintero Acevedo, Luis A. | 1553 | PUR | F | −3N | −18B | −22N | −26B | −32N | −23B | −31N | −36B | 0.0 | 29.0 | 29.0 | 0.00 | 982 | -71.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ortega Rivera, Gadiel L.PUR+51.24.0 pts · #19
- 2Amaya, Brayan AngelUSA+48.45.5 pts · #5
- 3Rodriguez Santiago, JaimeFMPUR+40.46.5 pts · #3
Top rating losers
- 1Quintero Acevedo, Luis A.PUR-71.60.0 pts · #38
- 2Rivera Valentin, Christian Z.PUR-47.22.5 pts · #29
- 3Ramirez Reyes, Braulio FernandoFMDOM-46.84.5 pts · #13
Biggest upsets
- R7+466 Elo gap
- R5+294 Elo gap
- R5+256 Elo gap