Torneo Clasificatorio de Cuarta Division, ADAES 2025

Open SwissStandard

115 players participated in this 7-round tournament, held from 17 May 2025 to 18 May 2025 in San Jose, Costa Rica. Top 10 Elo average was 1583, and top seed was Jose Alberto Bogantes Hidalgo (🇨🇷 CRC, 1611).

Eduardo Elizalde Brisuela (🇨🇷 CRC, 0) won with 6.5/7, ahead of Jonathan Gabriel Madrigal Garro (6.5) and Mario Alejandro Cespedes Badilla (6.0). Elizalde Brisuela won on tie-break after catching the field in the final round.

The biggest upset came in round 6: Lexy Quesada Quintanilla (1400) beat Julian La Touche Barrantes (1575), a +175-point gap.

Location

🇨🇷San Jose, Costa Rica

Dates

17 May 2025 → 18 May 2025

Time control

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

System

Swiss · 7 rounds

Top seed

🇨🇷Jose Alberto Bogantes Hidalgo1611

Avg top 10

1,583

Participants

115

Federations · 1 represented

🇨🇷Costa Rica×91

Top 3

🥇
Eduardo Elizalde Brisuela
🇨🇷CRC
6.5pts·1544perf0.0
🥈
Jonathan Gabriel Madrigal Garro
🇨🇷CRC
6.5pts·1592perf0.0
🥉
Mario Alejandro Cespedes Badilla
🇨🇷CRC
6.0pts·1615perf0.0

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.5/7, decided on Buchholz. Title race narrowed from 7 co-leaders at R4 to 2 at the finish.

Co-leaders

Madrigal Garro6.5Elizalde Brisuela6.5Cespedes Badilla6Bogantes Hidalgo6Hondoy Amador6Viquez Alfaro6

R7 · TIEBREAK CLUSTER

2 players finish on 6.5/7. Elizalde Brisuela takes the title on Buchholz Cut1 (25.0).

WIN STREAKS · 3 top finishers

Jonathan Gabriel Madrigal Garro 4 wins (R1–R4)Eduardo Elizalde Brisuela 3+3 wins (R1–R3, R5–R7)Mario Alejandro Cespedes Badilla 6 wins (R1–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jonathan Gabriel Madrigal Garro	*	—	1	—
2Eduardo Elizalde Brisuela	—	*	—	—
3Mario Alejandro Cespedes Badilla	0	—	*	1
4Jose Alberto Bogantes Hidalgo	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Elizalde Brisuela, Eduardo	0	CRC	+5B	+?N	+50B	=11N	+7B	+?N	+12B	6.5	25.0	25.0	22.50	1544	0.0
2	Madrigal Garro, Jonathan Gabriel	0	CRC	+27B	+?N	+?B	+51N	=?B	+11N	+3B	6.5	19.0	19.0	19.00	1592	0.0
3	Cespedes Badilla, Mario Alejandro	0	CRC	+54B	+29N	+71B	+13B	+4N	+6B	−2N	6.0	31.5	34.5	28.00	1615	0.0
4	Viquez Alfaro, Gabriel	1537	CRC	+46B	+20N	+15B	+33N	−3B	+35N	+14B	6.0	29.0	33.0	27.00	2340	+40.4
5	Hondoy Amador, Axel Jafeth	0	CRC	−1N	+64B	+60N	+43B	+36N	+25B	+13N	6.0	27.5	31.0	24.50	1578	0.0
6	Bogantes Hidalgo, Jose Alberto	1611	CRC	+95N	+92B	+97N	+9B	+10B	−3N	+16B	6.0	25.0	27.0	21.00	2322	+60.8
7	Vargas Vargas, Esteban	0	CRC	+66B	+44N	+16B	+36B	−1N	=50N	+?B	5.5	26.0	26.0	17.75	1582	0.0
8	Young Zhou, Jason	1456	CRC	+94N	+32B	−9N	+38B	=26B	+52N	+50B	5.5	24.5	26.5	19.25	1614	+33.6
9	Jimenez Rojas, Isaac	1444	CRC	+14B	+21N	+8B	−6N	=15B	+51N	=11B	5.0	31.5	35.0	24.00	1584	+29.2
10	Torres Angulo, Gary Esteban	1548	CRC	+22N	+58B	+31N	+18B	−6N	−13B	+26B	5.0	30.0	33.5	22.50	1582	-1.6
11	da Silva Ramirez, Luis Fernando	1437	CRC	+114N	+39B	+55N	=1B	+37N	−2B	=9N	5.0	29.5	29.5	17.25	1743	+45.2
12	Flores Chinchilla, Steven Alonso	0	CRC	+106N	+19B	−41N	+77B	+23N	+22B	−1N	5.0	28.5	30.5	20.00	1437	0.0
13	Villalobos Nunez, Ethan Alonso	1535	CRC	+110B	+75N	+49B	−3N	+53B	+10N	−5B	5.0	27.5	28.5	16.50	2331	+39.6
14	Bermudez Lopez, Jorge Luis	0	CRC	−9N	+73B	+45N	+70B	+17N	+34B	−4N	5.0	27.0	30.0	19.00	1542	0.0
15	Castro Zuniga, Joshua	0	CRC	+96N	+17B	−4N	+97B	=9N	=18B	+34N	5.0	27.0	29.0	18.00	1564	0.0
16	Rivera Mora, Gabriel	1549	CRC	+108N	+85B	−7N	+46B	+19N	+32B	−6N	5.0	27.0	28.0	16.50	1513	-3.6
17	Herrera Granados, Derec Roberto	1553	CRC	+104B	−15N	+40B	+66N	−14B	+48B	+33N	5.0	25.0	27.0	17.00	2256	+30.0
18	Calderon Reyes, Yadir Oldemar	1534	CRC	+89B	+98N	+65B	−10N	=52B	=15N	+35B	5.0	23.0	25.0	15.75	791	-16.8
19	Guevara Lezcano, Diego	1417	CRC	+103B	−12N	+109B	+65N	−16B	+45B	+42N	5.0	23.0	24.0	14.00	1501	+9.2
20	Solano Monge, Luis Guillermo	1605	CRC	+88N	−4B	+96N	−32B	+87N	+41B	+57N	5.0	22.5	24.5	14.50	736	-24.0
21	Albujar Mendoza, Mauricio	1453	CRC	+73N	−9B	−92N	+93B	+63N	+70B	+43N	5.0	20.5	22.5	15.50	1576	+20.0
22	Ortega Ochoa, Daniel	0	CRC	−10B	+105N	+76B	+?N	+29B	−12N	+?B	5.0	19.5	19.5	9.50	1564	0.0
23	Rodriguez Solano, Sofia	0	CRC	+?N	+101B	+38N	F	−12B	+46B	+32N	5.0	19.0	19.0	14.00	1650	0.0
24	Jimenez Rodriguez, Steven	0	CRC	+52B	−65N	+111B	−35N	+69B	+47N	+?B	5.0	18.5	18.5	11.50	1509	0.0
25	Juarez Hidalgo, Jimena	1551	CRC	−40B	+110N	+59B	+67N	+33B	−5N	=27B	4.5	25.0	26.0	13.75	1734	+18.8
26	Quesada Quintanilla, Lexy	1400	CRC	−28N	+108B	+62N	+83B	=8N	+56B	−10N	4.5	25.0	26.0	13.75	1540	+22.4
27	Calderon Villalobos, Alexis	1609	CRC	−2N	+89B	+85N	+92B	−34N	+38B	=25N	4.5	24.0	26.0	13.25	1585	-4.0
28	Avila Artavia, Josue	0	CRC	+26B	−?N	+42B	=54N	−51B	+65N	+52B	4.5	22.0	22.0	16.75	1432	0.0
29	Alvarado Machado, E. Daniela	0	CRC	+?N	−3B	+84N	+55B	−22N	+?B	=30N	4.5	22.0	22.0	8.75	1545	0.0
30	Soto Rivera, Matias	1544	CRC	+99B	−34B	+101N	−37N	+78B	+71N	=29B	4.5	20.5	22.5	12.25	1496	-10.8
31	Marin Guevara, Mariana	1471	CRC	+115B	+109N	−10B	−53N	=61B	+85N	+54B	4.5	19.0	19.0	8.75	791	-13.6
32	Soto Barrantes, Ariana	0	CRC	+59B	−8N	+69B	+20N	+?B	−16N	−23B	4.0	27.0	27.0	11.50	1546	0.0
33	Mora Acuna, Johnny Gabriel	1475	CRC	+100N	+81B	+34N	−4B	−25N	+37B	−17B	4.0	26.5	28.5	13.00	1469	-1.2
34	Baquero Graterol, Asiel Andres	1574	CRC	+69B	+30N	−33B	+74N	+27B	−14N	−15B	4.0	26.0	29.0	15.00	1667	+14.8
35	Ramirez Acuna, Samuel Jesus	0	CRC	+77N	−43B	+72N	+24B	+?N	−4B	−18N	4.0	26.0	26.0	11.00	735	0.0
36	Benavides Avila, Saul	1469	CRC	+78B	+40N	+67B	−7N	−5B	−49N	+68B	4.0	25.5	28.5	13.00	670	-20.0
37	Berzosa Madriz, Hector Julian	1498	CRC	−39N	+56B	+68N	+30B	−11B	−33N	+72N	4.0	24.0	27.0	14.00	1428	-18.8
38	Rodriguez Gonzalez, Santiago	1600	CRC	+68B	+90N	−23B	−8N	+74B	−27N	+67B	4.0	24.0	26.5	11.50	732	-50.4
39	Navas Pereira, Eduardo Kane	1469	CRC	+37B	−11N	=57B	−47N	=44B	+92N	+70N	4.0	23.5	25.5	12.75	1465	-0.8
40	Alvarado Zamora, Caleb	0	CRC	+25N	−36B	−17N	+73B	−48N	+?B	+77N	4.0	23.5	23.5	10.50	1309	0.0
41	Barboza Viquez, Angelica	0	CRC	+53B	+82N	+12B	−?N	−50B	−20N	+80B	4.0	23.0	23.0	14.50	1354	0.0
42	Blanco Chacin, Santiago Alejandro	0	CRC	+63N	−55B	−28N	+108B	+68N	+72B	−19B	4.0	22.5	23.5	10.50	617	0.0
43	Garcia Mendez, Julian	0	CRC	+?B	+35N	−?B	−5N	+59B	+53N	−21B	4.0	22.0	22.0	11.00	663	0.0
44	Charpentier Mendez, Joshua Alberto	0	CRC	=?N	−7B	+86N	−56B	=39N	+79N	+74B	4.0	21.5	21.5	10.50	1329	0.0
45	Peraza Cedrez, Daniel	1454	CRC	+112B	−49N	−14B	+111N	+67B	−19N	+66B	4.0	21.0	22.0	8.00	644	-20.6
46	Brenes Vega, Gabriel Enrique	0	CRC	−4N	+88B	+90B	−16N	+?B	−23N	+?N	4.0	21.0	21.0	5.00	742	0.0
47	Leguizamon Santamaria, Daniel A	1473	CRC	F	F	+102N	+39B	+75N	−24B	+83N	4.0	20.5	20.5	12.00	2269	+19.6
48	Fernandez Alvarado, Jared Saul	1437	CRC	+93N	−97B	+98B	−52N	+40B	−17N	+69B	4.0	19.5	21.5	11.00	1378	-9.2
49	Pazmino Acosta, Magdalena	1469	CRC	+87N	+45B	−13N	F	+92B	+36B	F	4.0	17.5	17.5	12.50	1611	+22.8
50	Conejo Mesen, Christopher	1600	CRC	F	+72B	−1N	+75B	+41N	=7B	−8N	3.5	27.5	27.5	12.75	654	-28.0
51	Arguello Rivera, Jackson Israel	0	CRC	F	=62B	+?N	−2B	+28N	−9B	+56N	3.5	27.0	27.0	9.75	1510	0.0
52	Mena Alvarez, Aidan Malik	0	CRC	−24N	+80N	+?B	+48B	=18N	−8B	−28N	3.5	27.0	27.0	9.50	1512	0.0
53	Herrera Beita, Santiago Matias	0	CRC	−41N	+?B	+58N	+31B	−13N	−43B	=64N	3.5	24.5	24.5	9.75	1503	0.0
54	Jimenez Solera, Michella	0	CRC	−3N	+?B	+61N	=28B	−56N	+86B	−31N	3.5	24.5	24.5	8.25	723	0.0
55	Erf Vargas, Vaioleth Alisha	0	CRC	+76B	+42N	−11B	−29N	=60N	+58B	−?N	3.5	23.5	23.5	12.25	638	0.0
56	La Touche Barrantes, Julian	1575	CRC	=86B	−37N	+82B	+44N	+54B	−26N	−51B	3.5	22.5	25.0	11.75	649	-53.6
57	Moraga Espinoza, Christina	0	CRC	−85N	+78B	=39N	−?B	+91N	+60B	−20B	3.5	20.5	20.5	11.00	1345	0.0
58	Santhosh, Mithila Lakshmi	0	CRC	+105B	−10N	−53B	+89N	=85B	−55N	+88B	3.5	19.5	21.5	8.25	791	0.0
59	Solano Calvo, Denise	0	CRC	−32N	+93B	−25N	+96B	−43N	=87B	+86N	3.5	19.5	21.5	7.75	1504	0.0
60	Colina Calderon, Victor Josue	0	CRC	+?B	−?N	−5B	+100N	=55B	−57N	+85B	3.5	17.5	17.5	6.25	673	0.0
61	Lara Moreno, Jose Adrian	0	CRC	−65B	+?N	−54B	+82N	=31N	−?B	+87N	3.5	16.5	16.5	7.75	1470	0.0
62	Murillo Mathiew, Aimar Maria	0	CRC	+107B	=51N	−26B	F	−86N	+?B	+91N	3.5	15.0	15.0	6.25	600	0.0
63	Garrido Colina, Gerardo Antonio	0	CRC	−42B	+79N	+?B	−?N	−21B	=90N	+?B	3.5	14.5	14.5	4.25	1360	0.0
64	Mora Rubi, Luis Fernando	0	CRC	F	−5N	+?B	+94B	−71N	+?N	=53B	3.5	14.5	14.5	3.75	660	0.0
65	Baquero Graterol, Azael Augusto	0	CRC	+61N	+24B	−18N	−19B	−72N	−28B	+109N	3.0	26.0	27.0	9.50	676	0.0
66	Navarro Hernandez, Endrick Santiago	0	CRC	−7N	+95B	+81N	−17B	−70N	+109B	−45N	3.0	22.5	23.5	6.00	685	0.0
67	Lara Mesen, Sophia Natalia	0	CRC	+?N	+70B	−36N	−25B	−45N	+98B	−38N	3.0	21.5	21.5	5.00	1271	0.0
68	Fonseca Davila, Sara Belen	0	CRC	−38N	+100B	−37B	+99N	−42B	+81N	−36N	3.0	21.0	23.0	7.00	1320	0.0
69	FIDE 6559158	0	—	−34N	+94B	−32N	+103B	−24N	+96B	−48N	3.0	21.0	23.0	6.00	706	0.0
70	Gonzalez Arguedas, Gabriel	1450	CRC	+111B	−67N	+114B	−14N	+66B	−21N	−39B	3.0	21.0	21.0	4.00	661	-38.8
71	Gutierrez Zapata, Mariana	1458	CRC	+113N	+83B	−3N	F	+64B	−30B	−75N	3.0	20.5	20.5	7.00	745	-15.2
72	Labera Montoya, Ian	0	CRC	+?B	−50N	−35B	+109N	+65B	−42N	−37B	3.0	19.5	19.5	4.00	749	0.0
73	FIDE 6564666	0	—	−21B	−14N	+110B	−40N	−?B	+104N	+100B	3.0	19.0	19.0	5.00	653	0.0
74	FIDE 6564569	0	—	−81N	+?B	+103N	−34B	−38N	+102B	−44N	3.0	19.0	19.0	4.00	802	0.0
75	Mendez Dimarco, Steven Jose	0	CRC	F	−13B	+87N	−50N	−47B	+?N	+71B	3.0	18.0	18.0	5.50	1324	0.0
76	FIDE 6564275	0	—	−55N	+107B	−22N	−85B	−93N	+94B	+105B	3.0	17.0	19.0	6.00	657	0.0
77	Fernandez Rovira, Carolina	0	CRC	−35B	+?N	+99B	−12N	+101B	−?N	−40B	3.0	17.0	17.0	4.00	1459	0.0
78	Espinoza Leal, Jowell Darnell	0	CRC	−36N	−57N	+?B	+90B	−30N	−?N	+99B	3.0	16.5	16.5	4.50	1364	0.0
79	Castillo Mendez, Anthony Alberto	0	CRC	−98N	−63B	+115N	+95B	−84N	−44B	+93N	3.0	16.5	16.5	4.00	1477	0.0
80	Castillo Mendez, Yuriel	1507	CRC	−97N	−52B	−95N	+107B	+94N	+93B	−41N	3.0	15.5	17.5	6.00	1481	-2.8
81	FIDE 6573770	0	—	+74B	−33N	−66B	+?N	−?N	−68B	+102N	3.0	15.0	15.0	5.00	673	0.0
82	FIDE 6567908	0	—	+?N	−41B	−56N	−61B	−98N	+95B	+?B	3.0	15.0	15.0	2.00	775	0.0
83	Espinoza Jimenez, Joselyn	0	CRC	+?B	−71N	+?B	−26N	−?B	+101N	−47B	3.0	13.5	13.5	2.00	649	0.0
84	Araya Araya, Erickson	0	CRC	−?B	+?N	−29B	+?N	+79B	−?N	−?B	3.0	7.5	7.5	3.00	725	0.0
85	Burgos Gomez, Ander Yarel	0	CRC	+57B	−16N	−27B	+76N	=58N	−31B	−60N	2.5	24.5	27.5	8.25	742	0.0
86	FIDE 6573622	0	—	=56N	−?B	−44B	+88N	+62B	−54N	−59B	2.5	20.5	20.5	7.75	1575	0.0
87	FIDE 6573932	0	—	−49B	+112N	−75B	+114N	−20B	=59N	−61B	2.5	20.0	20.0	2.75	738	0.0
88	FIDE 6572677	0	—	−20B	−46N	=?N	−86B	+113N	+106B	−58N	2.5	17.5	17.5	2.50	806	0.0
89	Gomez Garcia, David Josue	0	CRC	−18N	−27N	+?B	−58B	+103N	=?N	−90B	2.5	17.5	17.5	2.00	1250	0.0
90	FIDE 6566898	0	—	+?B	−38B	−46N	−78N	F	=63B	+89N	2.5	17.0	17.0	4.25	830	0.0
91	FIDE 6564232	0	—	−?B	+?N	−?B	=?N	−57B	+?N	−62B	2.5	7.0	7.0	0.00	721	0.0
92	Quiros Abarca, Santiago	0	CRC	+?B	−6N	+21B	−27N	−49N	−39B	−?B	2.0	23.5	23.5	5.00	1352	0.0
93	Mora Solano, Brandon Steven	1457	CRC	−48B	−59N	+104B	−21N	+76B	−80N	−79B	2.0	21.5	23.5	5.00	666	-58.8
94	Ortiz Montenegro, Yoycel	0	CRC	−8B	−69N	+112B	−64N	−80B	−76N	+108N	2.0	19.0	20.0	2.00	681	0.0
95	Herrera Solano, Daniel Emilio	0	CRC	−6B	−66N	+80B	−79N	−?B	−82N	+112B	2.0	19.0	19.0	4.00	1558	0.0
96	FIDE 6573800	0	—	−15B	+104N	−20B	−59N	+114B	−69N	−?B	2.0	18.5	18.5	2.00	806	0.0
97	Rodriguez Solis, Pablo Andres	1503	CRC	+80B	+48N	−6B	−15N	F	F	F	2.0	18.0	18.0	7.00	1643	+22.0
98	Guadamuz Murillo, Sebastian	0	CRC	+79B	−18B	−48N	−?N	+82B	−67N	−?B	2.0	18.0	18.0	6.00	686	0.0
99	Quiros Chaves, Laurent Patricia	1454	CRC	−30N	+106B	−77N	−68B	−102N	+108B	−78N	2.0	17.5	18.5	3.00	745	-15.2
100	FIDE 6558690	0	—	−33B	−68N	+106N	−60B	−?N	+114B	−73N	2.0	15.5	15.5	2.00	673	0.0
101	FIDE 6572561	0	—	+?B	−23N	−30B	+?N	−77N	−83B	−?N	2.0	15.5	15.5	0.00	1485	0.0
102	Gonzalez Chacon, Mariana	0	CRC	−?B	−?N	−47B	+104N	+99B	−74N	−81B	2.0	14.0	14.0	4.00	1376	0.0
103	Quiros Montenegro, Maripaz	0	CRC	−19N	+113B	−74B	−69N	−89B	−?N	+?N	2.0	14.0	14.0	0.50	676	0.0
104	FIDE 6573762	0	—	−17N	−96B	−93N	−102B	+?N	−73B	+115N	2.0	14.0	14.0	0.00	703	0.0
105	FIDE 6573789	0	—	−58N	−22B	−108N	+110N	−?B	+115B	−76N	2.0	13.5	13.5	1.00	625	0.0
106	FIDE 6573940	0	—	−12B	−99N	−100B	+115N	−?B	−88N	+110B	2.0	12.5	12.5	1.00	654	0.0
107	FIDE 6573851	0	—	−62N	−76N	−?B	−80N	−?B	+?B	+114N	2.0	9.5	9.5	0.00	721	0.0
108	FIDE 6570798	0	—	−16B	−26N	+105B	−42N	−109B	−99N	−94B	1.0	19.5	20.5	2.00	667	0.0
109	FIDE 6562272	0	—	F	−31B	−19N	−72B	+108N	−66N	−65B	1.0	19.5	19.5	1.00	644	0.0
110	Cubero Mendez, Jamil	0	CRC	−13N	−25B	−73N	−105B	−?N	+113B	−106N	1.0	17.0	17.0	0.50	743	0.0
111	FIDE 6572545	0	—	−70N	+?B	−24N	−45B	F	F	F	1.0	12.0	12.0	0.00	653	0.0
112	FIDE 6572600	0	—	−45N	−87B	−94N	−?N	+?B	−?B	−95N	1.0	10.5	10.5	0.00	655	0.0
113	Barquero Zuniga, Yessica	0	CRC	−71B	−103N	−?B	=?N	−88B	−110N	−?B	0.5	8.5	8.5	0.00	660	0.0
114	FIDE 6572596	0	—	−11B	F	−70N	−87B	−96N	−100N	−107B	0.0	16.5	16.5	0.00	645	0.0
115	FIDE 6573959	0	—	−31N	−?N	−79B	−106B	F	−105N	−104B	0.0	13.5	13.5	0.00	648	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Bogantes Hidalgo, Jose AlbertoCRC
+60.8
6.0 pts · #5
2da Silva Ramirez, Luis FernandoCRC
+45.2
5.0 pts · #10
3Viquez Alfaro, GabrielCRC
+40.4
6.0 pts · #24

Top rating losers

1Mora Solano, Brandon StevenCRC
-58.8
2.0 pts · #110
2La Touche Barrantes, JulianCRC
-53.6
3.5 pts · #61
3Rodriguez Gonzalez, SantiagoCRC
-50.4
4.0 pts · #70

Biggest upsets

R6+175 Elo gap
Quesada Quintanilla, Lexy1400 beat La Touche Barrantes, Julian1575
R4+144 Elo gap
Young Zhou, Jason1456 beat Rodriguez Gonzalez, Santiago1600
R7+144 Elo gap
Young Zhou, Jason1456 beat Conejo Mesen, Christopher1600