Liga Ponziani 2025
27 players participated in this 7-round tournament, held from 21 Jun 2025 to 29 Jun 2025 in San Jose, Costa Rica. 10 titled players from 2 federations. Top 10 Elo average was 2080, and top seed was Sergio Duran Vega (🇨🇷 CRC, IM, 2339).
Sergio Duran Vega (🇨🇷 CRC, IM, 2339) won with 6.0/7, ahead of Eugenio Chinchilla Miranda (5.0) and Caleb Vargas Arguedas (4.5). Duran Vega took the lead from round 4.
The biggest upset came in round 4: Santiago Ulloa Jimenez (1749) beat Matias Haziel Lizano Quiros (FM, 2047), a +298-point gap.
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How it unfolded
Top 6 · 7 roundsIM Sergio Duran Vega led from R4; +1.0-point edge over the runner-up.
IM Sergio Duran Vega takes the sole lead (3.5/4).
IM Sergio Duran Vega beat FM Eugenio Chinchilla Miranda (White).
IM Sergio Duran Vega 4 wins (R2–R5)FM Eugenio Chinchilla Miranda 3 wins (R1–R3)CM Jeigoth Pastor Carvajal 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMSergio Duran Vega | * | 1 | 1 | 1 |
| 2FMEugenio Chinchilla Miranda | 0 | * | — | — |
| 3CMJeigoth Pastor Carvajal | 0 | — | * | 1 |
| 4Caleb Vargas Arguedas | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Duran Vega, SergioIM | 2339 | CRC | =18N | +9B | +3N | +2B | +5N | =6B | +4N | 6.0 | 25.5 | 28.0 | 24.75 | 2324 | -0.5 |
| 2 | Chinchilla Miranda, EugenioFM | 2148 | CRC | +23B | +5N | +7B | −1N | +12B | F | +6N | 5.0 | 22.5 | 22.5 | 16.50 | 2329 | +25.2 |
| 3 | Vargas Arguedas, Caleb | 1866 | CRC | +27B | +15N | −1B | =7N | −4B | +14N | +13B | 4.5 | 24.5 | 24.5 | 12.00 | 2125 | +93.2 |
| 4 | Pastor Carvajal, JeigothCM | 2051 | CRC | +17B | −7N | =16N | +23B | +3N | +10B | −1B | 4.5 | 24.0 | 25.0 | 13.50 | 2090 | +7.4 |
| 5 | Angulo Perez, SebastianCM | 2025 | CRC | +22B | −2B | +11N | +14N | −1B | +12N | −10N | 4.0 | 25.0 | 26.5 | 12.00 | 2045 | +8.4 |
| 6 | Cossio Carvajal, Bruno | 2059 | CRC | F | +10B | =23N | +9N | +7B | =1N | −2B | 4.0 | 23.0 | 23.0 | 14.50 | 2162 | +31.6 |
| 7 | Espitia Torres, MateoCM | 1968 | CRC | +24N | +4B | −2N | =3B | −6N | =16B | +21B | 4.0 | 22.5 | 23.5 | 10.75 | 2018 | +10.2 |
| 8 | Urbina Quiroz, Edwin | 2041 | CRC | F | +17N | =9B | −10N | =24B | +20B | +16N | 4.0 | 16.0 | 16.0 | 10.25 | 1990 | -6.6 |
| 9 | Rojas Vindas, Emmanuel de Jesus | 1835 | CRC | +21B | −1N | =8N | −6B | =11N | =19B | +18N | 3.5 | 22.5 | 24.0 | 9.00 | 1992 | +52.8 |
| 10 | Solano Cordero, Jorge Alexis | 1993 | CRC | =25B | −6N | F | +8B | +16N | −4N | +5B | 3.5 | 20.5 | 20.5 | 11.50 | 2038 | +8.2 |
| 11 | Ulloa Jimenez, Santiago | 1749 | CRC | F | +13N | −5B | +26N | =9B | =15N | =12B | 3.5 | 18.5 | 18.5 | 9.50 | 2039 | +44.0 |
| 12 | Quesada Fallas, Esteban | 2003 | CRC | F | +22N | +24B | +18B | −2N | −5B | =11N | 3.5 | 17.5 | 17.5 | 6.75 | 1968 | -3.8 |
| 13 | Mata Tencio, Randall | 1924 | CRC | F | −11B | =20N | +19B | +21N | +18B | −3N | 3.5 | 16.5 | 16.5 | 7.50 | 1937 | +3.0 |
| 14 | Aguero Espinoza, Sebasthian | 1869 | CRC | F | +21N | +26B | −5B | =18N | −3B | +19N | 3.5 | 16.0 | 16.0 | 6.25 | 2023 | +25.6 |
| 15 | Jimenez Molina, Juan LeonFM | 2054 | CRC | +19N | −3B | =18N | −16B | +23N | =11B | −17N | 3.0 | 19.0 | 20.0 | 6.50 | 1839 | -39.8 |
| 16 | Ramirez Aguilar, Julian Jose | 1905 | CRC | F | +27N | =4B | +15N | −10B | =7N | −8B | 3.0 | 19.0 | 19.0 | 7.25 | 2022 | +38.4 |
| 17 | Ruiz Alfaro, Darrel | 1910 | CRC | −4N | −8B | −19N | F | +25B | +24N | +15B | 3.0 | 16.0 | 16.0 | 5.00 | 1934 | +4.0 |
| 18 | Avendano Porras, RodrigoCM | 1942 | CRC | =1B | +25N | =15B | −12N | =14B | −13N | −9B | 2.5 | 23.0 | 24.0 | 7.25 | 1873 | -16.2 |
| 19 | Campos Munoz, ValentinaWCM | 1911 | CRC | −15B | −26N | +17B | −13N | +22B | =9N | −14B | 2.5 | 18.0 | 19.0 | 6.25 | 1827 | -34.0 |
| 20 | Montero Romero, Dany Jose | 1808 | CRC | F | F | =13B | =25N | +26B | −8N | F | 2.0 | 10.5 | 10.5 | 3.25 | 1954 | +14.8 |
| 21 | Cespedes Rodriguez, Luis Michel | 2005 | CRC | −9N | −14B | +25B | =24N | −13B | F | −7N | 1.5 | 16.5 | 16.5 | 1.50 | 1664 | -52.8 |
| 22 | Vega Araya, Edwin | 1863 | CRC | −5N | −12B | F | F | −19N | =23B | +24B | 1.5 | 12.0 | 12.0 | 1.50 | 1775 | -12.0 |
| 23 | Rodriguez Arrieta, Maria ElenaWIM | 1939 | CRC | −2N | F | =6B | −4N | −15B | =22N | F | 1.0 | 20.0 | 20.0 | 2.75 | 1795 | -17.0 |
| 24 | Chaves Moya, Nattanahel Alberto | 1740 | CRC | −7B | F | −12N | =21B | =8N | −17B | −22N | 1.0 | 17.5 | 17.5 | 2.75 | 1692 | -13.2 |
| 25 | Villegas Rodriguez, Jeremy | 1804 | CRC | =10N | −18B | −21N | =20B | −17N | F | F | 1.0 | 12.5 | 12.5 | 2.75 | 1692 | -13.0 |
| 26 | Lizano Quiros, Matias HazielFM | 2047 | CRC | F | +19B | −14N | −11B | −20N | F | F | 1.0 | 11.5 | 11.5 | 2.50 | 1641 | -82.4 |
| 27 | Carvajal Sanchez, Daynel | 2027 | CUB | −3N | −16B | F | F | F | F | F | 0.0 | 11.0 | 11.0 | 0.00 | 1086 | -27.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Vargas Arguedas, CalebCRC+93.24.5 pts · #4
- 2Rojas Vindas, Emmanuel de JesusCRC+52.83.5 pts · #14
- 3Ulloa Jimenez, SantiagoCRC+44.03.5 pts · #10
- 1Lizano Quiros, Matias HazielFMCRC-82.41.0 pts · #25
- 2Cespedes Rodriguez, Luis MichelCRC-52.81.5 pts · #22
- 3Jimenez Molina, Juan LeonFMCRC-39.83.0 pts · #16
- R4+298 Elo gap
- R5+239 Elo gap
- R2+188 Elo gap