Torneo Clasificatorio de Cuarta Division, Belen 2025

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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

Top seed

🇨🇷Asiel Andres Baquero Graterol1589

Avg top 10

1,345

Participants

Federations · 1 represented

🇨🇷Costa Rica×28

Top 3

🥇
Josue Avila Artavia
🇨🇷CRC
6.0pts·1551perf0.0
🥈
Asiel Andres Baquero Graterol
🇨🇷CRC·1589
6.0pts·2236perf+23.6
🥉
Christina Moraga Espinoza
🇨🇷CRC
5.0pts·789perf0.0

How it unfolded

Top 6 · 7 rounds

Tight 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

Avila Artavia6Baquero Graterol6Vargas Vargas5Sequeira Morales5Rodriguez Solano5Peraza Cedrez5

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
+30.0
4.5 pts · #3
2Baquero Graterol, Asiel AndresCRC
+23.6
6.0 pts · #5
3Jimenez Gamboa, EvaCRC
+22.8
3.5 pts · #8

Top rating losers

1Berzosa Madriz, Hector JulianCRC
-43.2
4.5 pts · #27
2Solano Monge, Luis GuillermoCRC
-24.4
3.0 pts · #37
3Villegas Villalobos, OscarCRC
-20.6
3.5 pts · #24

Biggest upsets

R7+124 Elo gap
Peraza Cedrez, Daniel1431 beat Rodriguez Pazmino, Tomas1555
R5+104 Elo gap
Serrano Fonseca, Rachel Nicole1400 beat Castillo Mendez, Yuriel1504