IV Festival de Divisiones ADAS Tercera Division 2025
Open SwissStandard
37 players participated in this 7-round tournament, held from 01 Nov 2025 to 02 Nov 2025 in San Jose, Costa Rica. 1 titled players. Top 10 Elo average was 1707, and top seed was Axel Jafeth Hondoy Amador (🇨🇷 CRC, 1889).
Felipe Gonzalez Arguedas (🇨🇷 CRC, 1672) won with 6.0/7, ahead of Matias Yermay Rodriguez Zuniga (5.5) and Mathias Flores Elizondo (5.5). Gonzalez Arguedas shared the lead from round 5 and won solo starting round 6.
The biggest upset came in round 4: Ashly Valeria Diaz Charpentier (1549) beat Axel Jafeth Hondoy Amador (1889), a +340-point gap.
Location
🇨🇷San Jose, Costa Rica
Dates
01 Nov 2025 → 02 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
1,707
Participants
37
Titled players · 1
WCM×1
Federations · 1 represented
🇨🇷Costa Rica×37
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsFelipe Gonzalez Arguedas led from R6; +0.5-point edge over the runner-up.
Co-leaders
17
6
3
1
2
1
1
Gonzalez Arguedas6Flores Elizondo5.5Rodriguez Zuniga5.5Castillo Mendez5Esquivel Elizondo5Alvarado Machado5
R6 · LEADER CHANGE02 Nov
Felipe Gonzalez Arguedas takes the sole lead (5.5/6).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Felipe Gonzalez Arguedas drew with Mathias Flores Elizondo (White).
WIN STREAKS · 3 top finishers
Felipe Gonzalez Arguedas 3 wins (R1–R3)Mathias Flores Elizondo 3 wins (R1–R3)Matias Yermay Rodriguez Zuniga 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Felipe Gonzalez Arguedas | * | ½ | ½ | 1 |
| 2Mathias Flores Elizondo | ½ | * | 0 | — |
| 3Matias Yermay Rodriguez Zuniga | ½ | 1 | * | — |
| 4Carlos Rafael Castillo Mendez | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gonzalez Arguedas, Felipe | 1672 | CRC | +23B | +27N | +5B | =3B | +4N | +7B | =2N | 6.0 | 28.5 | 30.5 | 25.00 | 1905 | +66.4 |
| 2 | Rodriguez Zuniga, Matias Yermay | 1678 | CRC | +?N | +21B | −4N | +20B | +22N | +3B | =1B | 5.5 | 25.5 | 25.5 | 17.50 | 1825 | +44.8 |
| 3 | Flores Elizondo, Mathias | 1594 | CRC | +28N | +20B | +34B | =1N | +18B | −2N | +4N | 5.5 | 25.0 | 26.0 | 17.50 | 1857 | +89.6 |
| 4 | Esquivel Elizondo, Jeremy | 1630 | CRC | +26N | +37B | +2B | +10N | −1B | +8N | −3B | 5.0 | 28.0 | 29.0 | 17.50 | 1840 | +64.0 |
| 5 | Castillo Mendez, Carlos Rafael | 1572 | CRC | +35N | +12B | −1N | −7B | +11N | +20B | +10B | 5.0 | 25.5 | 26.5 | 16.00 | 1831 | +98.4 |
| 6 | Alvarado Machado, Bryan Alberto | 1740 | CRC | −21N | +?B | −20N | +25B | +19N | +12B | +13N | 5.0 | 20.5 | 20.5 | 14.50 | 1741 | -0.4 |
| 7 | Salazar Delgado, Aylin Naomy | 1712 | CRC | −25B | +29N | +23B | +5N | +27B | −1N | =8B | 4.5 | 23.5 | 25.5 | 14.25 | 1641 | -19.6 |
| 8 | Morales Vasquez, Thiago Marcel | 1690 | CRC | +22B | −18N | +30B | +34N | +9B | −4B | =7N | 4.5 | 22.5 | 23.5 | 12.75 | 1740 | +19.2 |
| 9 | Rivas Calderon, Victor Julio | 1722 | CRC | −20N | +28B | +21N | +24B | −8N | +22B | =18N | 4.5 | 20.0 | 22.0 | 12.75 | 1723 | +0.8 |
| 10 | Mayorga Araya, LarissaWCM | 1683 | CRC | +13N | =19B | +32N | −4B | +24N | =18B | −5N | 4.0 | 24.0 | 25.5 | 12.00 | 1658 | -11.2 |
| 11 | Quesada Guevara, Max | 1740 | CRC | F | −22N | +33B | +23N | −5B | +29N | +19B | 4.0 | 20.0 | 21.5 | 10.00 | 1691 | -6.6 |
| 12 | Orna Chaves, David Gabriel | 1593 | CRC | +33B | −5N | +25B | −27N | +34B | −6N | +23B | 4.0 | 19.5 | 20.5 | 8.50 | 1719 | +39.6 |
| 13 | Reyes Sarmiento, Aaron | 1630 | CRC | −10B | −14N | +28B | +29N | +30B | +27N | −6B | 4.0 | 19.0 | 21.0 | 8.00 | 1619 | -2.8 |
| 14 | Elizondo Zumbado, Mauricio Jose | 1655 | CRC | −19N | +13B | −15N | −21B | +32N | +34B | +20N | 4.0 | 19.0 | 20.0 | 9.50 | 1644 | -6.0 |
| 15 | Romero Cerdas, Moises Alonso | 1611 | CRC | +30B | −34N | +14B | −22B | =26N | =17N | +27B | 4.0 | 17.5 | 18.5 | 11.25 | 1613 | -0.8 |
| 16 | Elizalde Brisuela, Eduardo | 1656 | CRC | +36N | =32B | −19N | =26B | −20N | +21B | +22N | 4.0 | 16.5 | 17.5 | 9.00 | 1617 | -14.0 |
| 17 | Diaz Charpentier, Ashly Valeria | 1549 | CRC | −32N | +36B | −22N | +?B | =21N | =15B | +28N | 4.0 | 14.5 | 14.5 | 6.50 | 1513 | -14.8 |
| 18 | Badilla Calvo, Christopher | 1602 | CRC | F | +8B | =24N | +19B | −3N | =10N | =9B | 3.5 | 26.0 | 29.0 | 13.75 | 1719 | +19.6 |
| 19 | Rivera Mora, Gabriel | 1595 | CRC | +14B | =10N | +16B | −18N | −6B | +24B | −11N | 3.5 | 24.5 | 27.5 | 13.00 | 1672 | +7.2 |
| 20 | Fernandez Jimenez, Mathias | 1638 | CRC | +9B | −3N | +6B | −2N | +16B | −5N | −14B | 3.0 | 29.5 | 33.5 | 13.50 | 1612 | -11.6 |
| 21 | Arias Vargas, Roberto | 1580 | CRC | +6B | −2N | −9B | +14N | =17B | −16N | =24N | 3.0 | 27.0 | 30.0 | 12.50 | 1613 | +10.8 |
| 22 | Gonzalez Alfaro, John Alberto | 1589 | CRC | −8N | +11B | +17B | +15N | −2B | −9N | −16B | 3.0 | 26.5 | 30.5 | 12.00 | 1618 | -2.4 |
| 23 | Rodriguez Gonzalez, Santiago | 1549 | CRC | −1N | +35B | −7N | −11B | +31N | +32B | −12N | 3.0 | 22.0 | 23.0 | 4.50 | 1594 | +13.6 |
| 24 | Chaves Olazo, Axel Andrey | 1605 | CRC | +29B | +25N | =18B | −9N | −10B | −19N | =21B | 3.0 | 21.5 | 23.5 | 8.25 | 1559 | -10.0 |
| 25 | Salazar Quiros, Maria Regina | 1616 | CRC | +7N | −24B | −12N | −6N | −29B | +35N | +31B | 3.0 | 20.5 | 21.5 | 7.50 | 1571 | -10.0 |
| 26 | Quiros Cajina, Allan | 1692 | CRC | −4B | =33N | +35B | =16N | =15B | F | F | 2.5 | 15.5 | 15.5 | 5.75 | 1637 | -7.6 |
| 27 | Ramos Chavez, Jose Andres | 0 | CRC | F | −1B | +37N | +12B | −7N | −13B | −15N | 2.0 | 23.5 | 23.5 | 5.00 | 1537 | 0.0 |
| 28 | Baquero Graterol, Asiel Andres | 1589 | CRC | −3B | −9N | −13N | F | +35B | +30N | −17B | 2.0 | 21.0 | 21.0 | 3.00 | 1507 | -28.0 |
| 29 | Mora Acuna, Johnny Gabriel | 1413 | CRC | −24N | −7B | +31N | −13B | +25N | −11B | F | 2.0 | 20.5 | 22.5 | 5.00 | 1525 | +28.8 |
| 30 | Cordero Maroto, Nelson | 1606 | CRC | −15N | +31B | −8N | +32B | −13N | −28B | F | 2.0 | 18.5 | 20.0 | 3.50 | 1485 | -39.2 |
| 31 | Young Zhou, Jason | 1597 | CRC | −37N | −30N | −29B | +33N | −23B | +36B | −25N | 2.0 | 12.5 | 13.5 | 2.50 | 1309 | -89.2 |
| 32 | Ruiz Segura, John Phillips | 1511 | CRC | +17B | =16N | −10B | −30N | −14B | −23N | −33N | 1.5 | 21.0 | 22.5 | 6.00 | 1386 | -40.8 |
| 33 | Udiz Suarez, Nelson Antonio | 1573 | CRC | −12N | =26B | −11N | −31B | −36N | F | +32B | 1.5 | 15.0 | 15.0 | 2.75 | 1481 | -24.8 |
| 34 | Morales Zumbado, Raul | 1525 | CRC | F | +15B | −3N | −8B | −12N | −14N | F | 1.0 | 22.0 | 22.0 | 4.00 | 1393 | -15.8 |
| 35 | Hidalgo Mendez, Emilio | 1662 | CRC | −5B | −23N | −26N | +36B | −28N | −25B | F | 1.0 | 16.5 | 16.5 | 1.00 | 802 | -116.4 |
| 36 | Moraga Espinoza, Christina | 0 | CRC | −16B | −17N | F | −35N | +33B | −31N | F | 1.0 | 12.5 | 12.5 | 1.50 | 1375 | 0.0 |
| 37 | Hincapie Salazar, Daniel | 1745 | CRC | +31B | −4N | −27B | F | F | F | F | 1.0 | 9.0 | 9.0 | 2.00 | 1642 | -11.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Castillo Mendez, Carlos RafaelCRC+98.45.0 pts · #2
- 2Flores Elizondo, MathiasCRC+89.65.5 pts · #1
- 3Gonzalez Arguedas, FelipeCRC+66.46.0 pts · #3
Top rating losers
- 1Hidalgo Mendez, EmilioCRC-116.41.0 pts · #37
- 2Young Zhou, JasonCRC-89.22.0 pts · #34
- 3Ruiz Segura, John PhillipsCRC-40.81.5 pts · #31
Biggest upsets
- R4+340 Elo gap
- R1+211 Elo gap
- R5+203 Elo gap