Clasificatorio Nacional de IV Division ARAJA 2026

Open SwissStandard

39 players participated in this 7-round tournament, held from 30 May 2026 to 31 May 2026 in Colegio Bilingue San Ramon, Costa Rica. Top 10 Elo average was 1353, and top seed was Fabricio Villalobos Garcia (🇨🇷 CRC, 1560).

Juan Tobias Sanchez Sanchez (🇨🇷 CRC, 1527) won with 6.5/7, ahead of Joshua Alberto Charpentier Mendez (6.0) and Pablo Andres Mora Arias (5.5). Sanchez Sanchez took the lead from round 6.

Location

🇨🇷Colegio Bilingue San Ramon, Costa Rica

Dates

30 May 2026 → 31 May 2026

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇨🇷Fabricio Villalobos Garcia1560

Avg top 10

1,353

Participants

Federations · 1 represented

🇨🇷Costa Rica×19

Top 3

🥇
Juan Tobias Sanchez Sanchez
🇨🇷CRC·1527
6.5pts·1855perf+58.4
🥈
Joshua Alberto Charpentier Mendez
🇨🇷CRC·1522
6.0pts·1688perf+34.4
🥉
Pablo Andres Mora Arias
🇨🇷CRC·1457
5.5pts·1504perf+8.0

How it unfolded

Top 6 · 7 rounds

Juan Tobias Sanchez Sanchez led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Sanchez Sanchez6.5Charpentier Mendez6Mora Arias5.5Peraza Cedrez5.5Wahrmann Brenes5Perez Franco5

R6 · LEADER CHANGE31 May

Juan Tobias Sanchez Sanchez takes the sole lead (5.5/6).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Juan Tobias Sanchez Sanchez beat Joshua Alberto Charpentier Mendez (Black).

WIN STREAKS · 3 top finishers

Juan Tobias Sanchez Sanchez 4 wins (R1–R4)Joshua Alberto Charpentier Mendez 5 wins (R1–R5)Pablo Andres Mora Arias 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Juan Tobias Sanchez Sanchez	*	1	—	—
2Joshua Alberto Charpentier Mendez	0	*	1	—
3Pablo Andres Mora Arias	—	0	*	½
4Daniel Peraza Cedrez	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Sanchez Sanchez, Juan Tobias	1527	CRC	+38B	+21N	+7B	+6N	=10B	+2N	+5B	6.5	29.5	30.5	28.25	1855	+58.4
2	Charpentier Mendez, Joshua Alberto	1522	CRC	+33N	+13B	+17N	+3B	+5N	−1B	+10N	6.0	30.0	33.0	26.50	1688	+34.4
3	Mora Arias, Pablo Andres	1457	CRC	+35B	+26N	+16B	−2N	+19B	=4N	+11B	5.5	27.5	29.5	20.75	1504	+8.0
4	Peraza Cedrez, Daniel	1470	CRC	+22B	+14N	−5N	+27B	+20N	=3B	+18N	5.5	27.0	30.0	22.25	1469	0.0
5	Wahrmann Brenes, Emma	1469	CRC	+30B	+23N	+4B	+10N	−2B	+8N	−1N	5.0	31.5	34.5	22.00	1511	+9.2
6	Villalobos Garcia, Fabricio	1560	CRC	+34N	+31B	+25N	−1B	−9N	+19B	+21N	5.0	26.0	28.5	17.00	727	-22.0
7	Villegas Villalobos, Oscar	0	CRC	+?N	+?B	−1N	=12B	+13N	=17B	+20N	5.0	23.5	23.5	12.75	727	-25.6
8	Perez Franco, Andrew De Dojshua	0	CRC	+?B	+18N	+11B	−?N	+16B	−5B	+17N	5.0	21.5	21.5	16.50	1487	-5.6
9	Madriz Zuniga, Jorge Eduardo	0	CRC	+?B	−?N	+22B	+?N	+6B	−11N	+16B	5.0	17.5	17.5	13.00	1394	0.0
10	Vasquez Morera, Jose Miguel	1526	CRC	+12B	+19N	+15B	−5B	=1N	+24N	−2B	4.5	30.5	34.0	19.75	1233	-43.6
11	Lopez Molina, Joaquin Andres	1521	CRC	+39N	+27B	−8N	=13B	+12N	+9B	−3N	4.5	27.5	28.5	15.75	657	-23.6
12	Moya Mora, Carlos Andrey	0	CRC	−10N	+?B	+18B	=7N	−11B	+26N	+25B	4.5	25.0	25.0	13.50	1385	0.0
13	Umanzor Arguedas, Juan Carlos	0	CRC	+?B	−2N	+?B	=11N	−7B	+?N	+24B	4.5	19.0	19.0	5.75	1329	0.0
14	Arrieta Vasquez, Mariana	0	CRC	+?B	−4B	+?N	−16N	+30B	=25N	+?N	4.5	16.0	16.0	4.75	670	0.0
15	FIDE 6566685	0	—	+?N	+28B	−10N	−20B	+?N	=?B	+?N	4.5	11.5	11.5	3.00	726	0.0
16	FIDE 6566081	0	—	+?N	+20B	−3N	+14B	−8N	+27B	−9N	4.0	27.0	27.0	11.50	657	0.0
17	FIDE 6566618	0	—	+32B	+?N	−2B	+21N	=24B	=7N	−8B	4.0	26.5	26.5	11.25	722	0.0
18	Gutierrez Rodriguez, Ignacio	1482	CRC	+36N	−8B	−12N	+26N	+28B	+31N	−4B	4.0	24.5	26.5	11.50	670	-20.8
19	Corrales Chavarria, Oscar A	0	CRC	+29N	−10B	+?N	+25B	−3N	−6N	+30B	4.0	24.5	24.5	9.50	714	0.0
20	FIDE 6562892	0	—	+24B	−16N	+?B	+15N	−4B	+?N	−7B	4.0	22.5	22.5	8.00	1447	0.0
21	Carballo Hernandez, Rolando	0	CRC	+?N	−1B	+?N	−17B	+?N	+23B	−6B	4.0	19.5	19.5	4.00	744	0.0
22	Salazar Chavarria, Fabian Alberto	0	CRC	−4N	+?B	−9N	−?B	+?N	+29B	+27N	4.0	16.5	16.5	6.00	670	0.0
23	FIDE 6571077	0	—	+?N	−5B	+39N	+29B	−?B	−21N	+28B	4.0	16.0	16.0	7.00	672	0.0
24	FIDE 6581439	0	—	−20N	+?B	+28N	+31B	=17N	−10B	−13N	3.5	23.0	23.0	8.00	726	0.0
25	FIDE 6572367	0	—	+?B	+?N	−6B	−19N	+?N	=14B	−12N	3.5	18.0	18.0	2.25	760	0.0
26	Portuguez Araya, Jayden Alexander	0	CRC	+?N	−3B	=?N	−18B	+?N	−12B	+34N	3.5	16.5	16.5	2.50	670	0.0
27	FIDE 6569110	0	—	+?B	−11N	+?B	−4N	+?B	−16N	−22B	3.0	18.0	18.0	0.00	696	0.0
28	FIDE 6572219	0	—	+?B	−15N	−24B	+?N	−18N	+?B	−23N	3.0	16.0	16.0	0.00	682	0.0
29	FIDE 6581374	0	—	−19B	+38N	+?B	−23N	−?B	−22N	+36B	3.0	15.0	15.0	3.00	623	0.0
30	FIDE 6569072	0	—	−5N	−?B	+?N	+?B	−14N	+?B	−19N	3.0	13.5	13.5	0.00	669	0.0
31	FIDE 6564844	0	—	+?B	−6N	+?B	−24N	+?N	−18B	−?N	3.0	12.5	12.5	0.00	721	0.0
32	FIDE 6571158	0	—	−17N	−?B	+?N	−?N	+35B	−?B	+37N	3.0	7.5	7.5	3.50	623	0.0
33	FIDE 6571492	0	—	−2B	−?N	−?B	+37B	+?N	+?N	−?B	3.0	7.5	7.5	1.50	673	0.0
34	FIDE 6573070	0	—	−6B	−?N	−?B	+?N	+?B	=?N	−26B	2.5	8.5	8.5	0.00	760	0.0
35	FIDE 6566626	0	—	−3N	−?B	+?N	−?B	−32N	+?B	−?B	2.0	8.5	8.5	0.00	657	0.0
36	FIDE 6575463	0	—	−18B	F	F	F	+?B	+?N	−29N	2.0	7.0	7.0	0.00	682	0.0
37	FIDE 6580424	0	—	−?B	=?N	−?B	−33N	−?B	+?N	−32B	1.5	6.0	6.0	0.00	649	0.0
38	FIDE 6573282	0	—	−1N	−29B	+?N	−?B	F	F	F	1.0	9.5	9.5	0.00	727	0.0
39	FIDE 6532470	0	—	−11B	+?N	−23B	−?N	−?B	−?N	−?B	1.0	8.5	8.5	0.00	721	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Sanchez Sanchez, Juan TobiasCRC
+58.4
6.5 pts · #1
2Charpentier Mendez, Joshua AlbertoCRC
+34.4
6.0 pts · #2
3Wahrmann Brenes, EmmaCRC
+9.2
5.0 pts · #3

Top rating losers

1Vasquez Morera, Jose MiguelCRC
-43.6
4.5 pts · #11
2Villegas Villalobos, OscarCRC
-25.6
5.0 pts · #15
3Lopez Molina, Joaquin AndresCRC
-23.6
4.5 pts · #32