Torneo Clasificatorio de Cuarta Division, Belen 2025
Open SwissStandard
38 players participated in this 7-round tournament, held from 21 Jun 2025 to 22 Jun 2025 in Belen, Costa Rica. Top 10 Elo average was 1345, and top seed was Asiel Andres Baquero Graterol (🇨🇷 CRC, 1589).
Josue Avila Artavia (🇨🇷 CRC, 0) won with 6.0/7, ahead of Asiel Andres Baquero Graterol (6.0) and Christina Moraga Espinoza (5.0). Avila Artavia shared the lead from round 2, winning on tie-break.
The biggest upset came in round 7: Daniel Peraza Cedrez (1431) beat Tomas Rodriguez Pazmino (1555), a +124-point gap.
Location
🇨🇷Belen, Costa Rica
Dates
21 Jun 2025 → 22 Jun 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇨🇷Costa Rica×28
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R5; 2 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
20
8
3
2
1
4
2
R5–R7 · LEAD HELD
Josue Avila Artavia held the sole lead from R5 through R7 without losing it.
R7 · TIEBREAK CLUSTER
2 players finish on 6.0/7. Avila Artavia takes the title on Buchholz Cut1 (29.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Josue Avila Artavia beat Asiel Andres Baquero Graterol (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Josue Avila Artavia | * | 1 | 1 | 0 |
| 2Asiel Andres Baquero Graterol | 0 | * | — | 1 |
| 3Esteban Vargas Vargas | 0 | — | * | — |
| 4Abraham Sequeira Morales | 1 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Avila Artavia, Josue | 0 | CRC | +?B | +8N | +2B | +19N | +3N | −4B | +5B | 6.0 | 29.0 | 29.0 | 24.00 | 1551 | 0.0 |
| 2 | Baquero Graterol, Asiel Andres | 1589 | CRC | +38N | +28B | −1N | +14B | +11N | +3B | +4N | 6.0 | 27.0 | 27.5 | 21.50 | 2236 | +23.6 |
| 3 | Moraga Espinoza, Christina | 0 | CRC | +22B | +30N | +18B | +5N | −1B | −2N | +12B | 5.0 | 28.0 | 31.0 | 19.00 | 789 | 0.0 |
| 4 | Sequeira Morales, Abraham | 1442 | CRC | +33B | +32N | =21B | +9N | =16B | +1N | −2B | 5.0 | 26.5 | 28.5 | 18.75 | 1503 | +3.8 |
| 5 | Vargas Vargas, Esteban | 0 | CRC | +?B | +17N | +23B | −3B | +18N | +6B | −1N | 5.0 | 26.5 | 26.5 | 15.50 | 1509 | 0.0 |
| 6 | Peraza Cedrez, Daniel | 1431 | CRC | +34B | −18N | +33B | +27N | +13B | −5N | +8B | 5.0 | 22.0 | 24.0 | 15.50 | 2356 | +13.4 |
| 7 | Rodriguez Solano, Sofia | 0 | CRC | −31N | +?B | −14N | +?B | +33N | +?B | +11N | 5.0 | 12.5 | 12.5 | 6.00 | 1433 | 0.0 |
| 8 | Rodriguez Pazmino, Tomas | 1555 | CRC | +14N | −1B | =13N | +15B | +31N | +10B | −6N | 4.5 | 27.5 | 30.0 | 17.00 | 1436 | -13.2 |
| 9 | Berzosa Madriz, Hector Julian | 1514 | CRC | =15N | +26B | +31N | −4B | −21N | +13B | +18N | 4.5 | 23.0 | 25.5 | 15.00 | 651 | -43.2 |
| 10 | Serrano Fonseca, Rachel Nicole | 1400 | CRC | −18B | +22N | +28B | =32N | +23B | −8N | +19B | 4.5 | 21.0 | 23.5 | 14.25 | 1624 | +30.0 |
| 11 | Cortes Acuna, Samuel Camilo | 0 | CRC | +37B | −23N | +17B | +20N | −2B | +19N | −7B | 4.0 | 25.0 | 26.0 | 12.00 | 1385 | -4.8 |
| 12 | Garcia Mendez, Julian | 0 | CRC | −20B | +?N | +26B | −13N | +27B | +23N | −3N | 4.0 | 21.5 | 21.5 | 9.00 | 1524 | 0.0 |
| 13 | FIDE 6574858 | 0 | — | =?B | +?N | =8B | +12B | −6N | −9N | +24B | 4.0 | 21.0 | 21.0 | 9.25 | 1216 | 0.0 |
| 14 | Charpentier Mendez, Joshua Alberto | 0 | CRC | −8B | +?N | +7B | −2N | =?N | =24B | +?N | 4.0 | 18.5 | 18.5 | 6.50 | 1421 | -2.8 |
| 15 | Erf Vargas, Vaioleth Alisha | 0 | CRC | =9B | +?N | −19B | −8N | +?B | +?N | =?B | 4.0 | 12.5 | 12.5 | 2.25 | 1218 | 0.0 |
| 16 | Jimenez Gamboa, Gabriela | 0 | CRC | =?B | +?N | +20B | +21N | =4N | F | F | 4.0 | 12.0 | 12.0 | 9.50 | 1471 | 0.0 |
| 17 | Espinoza Jimenez, Joselyn | 0 | CRC | +?B | −5B | −11N | =?N | =?B | +?N | +?B | 4.0 | 9.0 | 9.0 | 0.00 | 613 | 0.0 |
| 18 | Ramirez Acuna, Samuel Jesus | 0 | CRC | +10N | +6B | −3N | +?B | −5B | =20N | −9B | 3.5 | 27.5 | 27.5 | 11.25 | 1470 | 0.0 |
| 19 | Villegas Villalobos, Oscar | 1437 | CRC | +27N | =31B | +15N | −1B | +32N | −11B | −10N | 3.5 | 24.0 | 26.5 | 10.75 | 626 | -20.6 |
| 20 | Hyder Jimenez, Omar | 0 | CRC | +12N | +24B | −16N | −11B | +25N | =18B | F | 3.5 | 21.5 | 21.5 | 11.75 | 1498 | 0.0 |
| 21 | Jimenez Gamboa, Eva | 0 | CRC | +36N | +35B | =4N | −16B | +9B | F | F | 3.5 | 15.5 | 15.5 | 9.00 | 1662 | +22.8 |
| 22 | FIDE 6569749 | 0 | — | −3N | −10B | +?N | −?N | =26B | +?B | +31N | 3.5 | 15.0 | 15.0 | 4.00 | 638 | 0.0 |
| 23 | Castillo Mendez, Yuriel | 1504 | CRC | F | +11B | −5N | +24B | −10N | −12B | +25N | 3.0 | 23.5 | 26.5 | 10.00 | 1603 | +16.0 |
| 24 | Santhosh, Mithila Lakshmi | 0 | CRC | +29B | −20N | +35B | −23N | =?B | =14N | −13N | 3.0 | 18.5 | 18.5 | 6.00 | 704 | 0.0 |
| 25 | Solano Monge, Luis Guillermo | 1581 | CRC | F | F | +29B | +34N | −20B | +30N | −23B | 3.0 | 17.5 | 17.5 | 8.00 | 704 | -24.4 |
| 26 | Torres Venegas, Brianna | 0 | CRC | +?B | −9N | −12N | −33B | =22N | +38B | =27N | 3.0 | 17.5 | 17.5 | 3.75 | 678 | 0.0 |
| 27 | FIDE 6559158 | 0 | — | −19B | +?N | +?B | −6B | −12N | =?N | =26B | 3.0 | 15.5 | 15.5 | 1.50 | 636 | 0.0 |
| 28 | Murillo Mathiew, Thomas | 0 | CRC | +?B | −2N | −10N | −?B | +?N | +29B | F | 3.0 | 13.5 | 13.5 | 3.00 | 714 | 0.0 |
| 29 | Herrera Chinchilla, Matias | 0 | CRC | −24N | −?B | −25N | +?B | +?N | −28N | +33B | 3.0 | 11.0 | 11.0 | 2.00 | 738 | 0.0 |
| 30 | Solano Calvo, Denise | 0 | CRC | +?N | −3B | −?N | +?N | −?B | −25B | +?N | 3.0 | 8.0 | 8.0 | 0.00 | 738 | 0.0 |
| 31 | FIDE 6563660 | 0 | — | +7B | =19N | −9B | +?N | −8B | −?N | −22B | 2.5 | 21.0 | 21.0 | 6.75 | 1218 | 0.0 |
| 32 | FIDE 6563643 | 0 | — | +?N | −4B | +?N | =10B | −19B | F | F | 2.5 | 13.0 | 13.0 | 2.25 | 1172 | 0.0 |
| 33 | FIDE 6549195 | 0 | — | −4N | +?B | −6N | +26N | −7B | −?B | −29N | 2.0 | 21.0 | 21.0 | 3.00 | 662 | 0.0 |
| 34 | FIDE 6554792 | 0 | — | −6N | −?B | +36N | −25B | +35N | F | F | 2.0 | 10.0 | 10.0 | 2.00 | 708 | 0.0 |
| 35 | FIDE 6570151 | 0 | — | +?B | −21N | −24N | F | −34B | −?B | F | 1.0 | 8.5 | 8.5 | 0.00 | 642 | 0.0 |
| 36 | FIDE 6574947 | 0 | — | −21B | −?N | −34B | +37N | −?B | −?N | −?B | 1.0 | 6.5 | 6.5 | 1.00 | 642 | 0.0 |
| 37 | Gonzalez Chacon, Mariana | 0 | CRC | −11N | −?N | −?B | −36B | −?N | +?B | −?N | 1.0 | 5.0 | 5.0 | 0.00 | 613 | 0.0 |
| 38 | FIDE 6573347 | 0 | — | −2B | F | F | =?N | F | −26N | −?B | 0.5 | 9.0 | 9.0 | 0.00 | 789 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Serrano Fonseca, Rachel NicoleCRC+30.04.5 pts · #3
- 2Baquero Graterol, Asiel AndresCRC+23.66.0 pts · #5
- 3Jimenez Gamboa, EvaCRC+22.83.5 pts · #8
Top rating losers
- 1Berzosa Madriz, Hector JulianCRC-43.24.5 pts · #27
- 2Solano Monge, Luis GuillermoCRC-24.43.0 pts · #37
- 3Villegas Villalobos, OscarCRC-20.63.5 pts · #24
Biggest upsets
- R7+124 Elo gap
- R5+104 Elo gap