Torneo Clasificatorio de Cuarta Division, Liberia 2025

Open SwissStandard

50 players participated in this 7-round tournament, held from 05 Jul 2025 to 06 Jul 2025 in Liberia, Costa Rica. Top 10 Elo average was 1541, and top seed was Ian Sebastian Charpentier Badilla (🇨🇷 CRC, 1622).

Santiago Rodriguez Gonzalez (🇨🇷 CRC, 1553) won with 7.0/7, ahead of Mario Alejandro Cespedes Badilla (6.0) and Mario Alejandro Montenegro Rojas (6.0). Rodriguez Gonzalez won solo starting round 6.

The biggest upset came in round 4: Nataly Crisbeth Charaja Umana (1423) beat Ian Sebastian Charpentier Badilla (1622), a +199-point gap.

Location

🇨🇷Liberia, Costa Rica

Dates

05 Jul 2025 → 06 Jul 2025

Time control

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

System

Swiss · 7 rounds

Top seed

🇨🇷Ian Sebastian Charpentier Badilla1622

Avg top 10

1,541

Participants

Federations · 1 represented

🇨🇷Costa Rica×27

Top 3

🥇
Santiago Rodriguez Gonzalez
🇨🇷CRC·1553
7.0pts·2337perf+53.6
🥈
Mario Alejandro Cespedes Badilla
🇨🇷CRC
6.0pts·1606perf0.0
🥉
Mario Alejandro Montenegro Rojas
🇨🇷CRC·1548
6.0pts·1757perf+51.6

How it unfolded

Top 6 · 7 rounds

Santiago Rodriguez Gonzalez led from R6; +1.0-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R6.

Co-leaders

Rodriguez Gonzalez7Montenegro Rojas6Cespedes Badilla6Gonzalez Masis5Peraza Cedrez5Angulo Fernandez5

R6–R7 · LEAD HELD

Santiago Rodriguez Gonzalez never relinquished the lead after R6; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Santiago Rodriguez Gonzalez beat Mario Alejandro Montenegro Rojas (White).

WIN STREAKS · 3 top finishers

Santiago Rodriguez Gonzalez 7 wins (R1–R7)Mario Alejandro Montenegro Rojas 4 wins (R4–R7)Mario Alejandro Cespedes Badilla 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Santiago Rodriguez Gonzalez	*	1	1	1
2Mario Alejandro Montenegro Rojas	0	*	—	—
3Mario Alejandro Cespedes Badilla	0	—	*	1
4Randall Alonso Gonzalez Masis	0	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rodriguez Gonzalez, Santiago	1553	CRC	+42B	+29N	+3B	+4N	+2B	+5B	+7N	7.0	30.0	32.0	32.00	2337	+53.6
2	Cespedes Badilla, Mario Alejandro	0	CRC	+12B	+35N	+6B	+20N	−1N	+4B	+5N	6.0	31.0	34.0	27.00	1606	0.0
3	Montenegro Rojas, Mario Alejandro	1548	CRC	+49N	+19B	−1N	+28B	+10N	+8B	+9N	6.0	29.0	29.0	22.00	1757	+51.6
4	Gonzalez Masis, Randall Alonso	0	CRC	+11N	+18B	+10N	−1B	+17N	−2N	+14B	5.0	31.5	35.5	22.50	1555	0.0
5	Gonzalez Alfaro, John Alberto	1586	CRC	+47B	+26N	+13B	+7N	+9B	−1N	−2B	5.0	31.5	32.5	19.50	1598	-4.0
6	Leguizamon Santamaria, Daniel A	1552	CRC	+27N	+14B	−2N	+11B	+19N	−7B	+18N	5.0	28.5	32.0	21.00	1592	+2.8
7	Peraza Cedrez, Daniel	1435	CRC	+37N	+34B	+17N	−5B	+16N	+6N	−1B	5.0	28.0	30.5	18.50	1657	+29.8
8	Charpentier Badilla, Ian Sebastian	1622	CRC	+32B	+22N	+23B	−9N	+29B	−3N	+20B	5.0	26.0	29.0	18.00	676	-55.2
9	Charaja Umana, Nataly Crisbeth	1423	CRC	+43N	+39B	+16N	+8B	−5N	+25B	−3B	5.0	25.5	27.5	16.50	1597	+39.6
10	Munoz Aguilar, Ismael	1457	CRC	+36N	+45B	−4B	+12N	−3B	+34N	+23B	5.0	25.5	26.5	15.50	748	-15.2
11	Angulo Fernandez, Erick	0	CRC	−4B	+33N	+31B	−6N	+24B	+21N	+?N	5.0	24.0	24.0	14.00	1535	0.0
12	Espinoza Leal, Jowell Darnell	0	CRC	−2N	+?B	+18N	−10B	+?B	+19N	+26B	5.0	22.5	22.5	11.50	1494	0.0
13	Garcia Valdez, Xochilth Fernanda	0	CRC	+46N	+38B	−5N	=36B	=14N	+28B	+16N	5.0	21.0	22.0	13.50	1608	0.0
14	FIDE 6571972	0	—	+30B	−6N	+44B	+?N	=13B	+26N	−4N	4.5	23.0	23.0	10.50	752	0.0
15	Rosales Garcia, Alex Alfredo	0	CRC	=20N	+?B	−?N	−?B	+45N	+39B	+25N	4.5	10.5	10.5	8.50	757	0.0
16	Torres Angulo, Gary Esteban	1558	CRC	+50B	+21N	−9B	+23N	−7B	+27N	−13B	4.0	26.5	26.5	11.50	1301	-45.6
17	Jimenez Noguera, Matias	1575	CRC	+40B	+24N	−7B	+30N	−4B	−23N	+35B	4.0	24.0	26.0	12.00	636	-27.6
18	Salazar Espinoza, Mauricio	1444	CRC	+33B	−4N	−12B	+48N	+30B	+31N	−6B	4.0	24.0	24.0	9.00	752	-14.0
19	Cerdas Hurtado, Jose Angel	1519	CRC	+44B	−3N	+32B	+38N	−6B	−12B	+41N	4.0	23.0	24.5	8.50	750	-36.4
20	Saravia Osorio, Kenny Josue	0	CRC	=15B	+31N	+21B	−2B	=?N	+?B	−8N	4.0	22.5	22.5	9.25	1539	0.0
21	Villarreal Chavarria, Amy Samantha	1437	CRC	+48N	−16B	−20N	+46B	+32N	−11B	+28N	4.0	20.0	20.0	7.00	789	-12.0
22	FIDE 6560520	0	—	+?N	−8B	−36N	+40B	−25N	+38B	+32N	4.0	18.0	18.0	7.00	823	0.0
23	Tijerino Salazar, Ian Josue	0	CRC	+?N	+?B	−8N	−16B	+?N	+17B	−10N	4.0	18.0	18.0	4.00	1489	0.0
24	Soto Platero, Jose Alejandro	0	CRC	+?N	−17B	−28N	+45B	−11N	+?B	+29B	4.0	16.0	16.0	4.00	777	0.0
25	FIDE 6576222	0	—	−29B	+41N	+47B	=26N	+22B	−9N	−15B	3.5	22.0	23.0	8.75	604	0.0
26	Montoya Ibanez, Oscar Santiago	0	CRC	+?N	−5B	+45N	=25B	+36N	−14B	−12N	3.5	21.5	21.5	5.25	827	0.0
27	Baltodano Valdez, Jorge Isaac	0	CRC	−6B	+?N	+?B	=?B	+?N	−16B	−?N	3.5	9.0	9.0	0.00	1293	0.0
28	FIDE 6561268	0	—	−31B	+40N	+24B	−3N	+?B	−13N	−21B	3.0	24.0	24.0	6.00	693	0.0
29	Rodriguez Porras, Rosa	0	CRC	+25N	−1B	+46N	+?B	−8N	−?B	−24N	3.0	20.5	20.5	4.50	787	0.0
30	FIDE 6573800	0	—	−14N	+37B	+34N	−17B	−18N	−41B	+39N	3.0	20.0	22.0	7.50	711	0.0
31	FIDE 6565360	0	—	+28N	−20B	−11N	+43B	+39N	−18B	F	3.0	20.0	20.0	7.00	645	0.0
32	Casierra Bonilla, Francisco	0	CRC	−8N	+?B	−19N	+?B	−21B	+33N	−22B	3.0	20.0	20.0	3.00	726	0.0
33	FIDE 6560580	0	—	−18N	−11B	+37N	−39B	+40N	−32B	+45N	3.0	18.5	19.5	5.50	645	0.0
34	FIDE 6571930	0	—	+?B	−7N	−30B	+44N	+38B	−10B	−?N	3.0	16.5	16.5	3.50	647	0.0
35	FIDE 6555977	0	—	+?N	−2B	−38N	+?B	−?N	+?B	−17N	3.0	12.0	12.0	0.00	777	0.0
36	Cuevas Arias, Sebastian	0	CRC	−10B	+?N	+22B	=13N	−26B	−?N	−?B	2.5	17.5	17.5	6.50	657	0.0
37	FIDE 6572006	0	—	−7B	−30N	−33B	−?N	+?B	=44N	+?B	2.5	12.5	12.5	0.75	636	0.0
38	FIDE 6576214	0	—	F	−13N	+35B	−19B	−34N	−22N	+42B	2.0	21.0	21.0	5.00	719	0.0
39	FIDE 6571956	0	—	+?B	−9N	−?B	+33N	−31B	−15N	−30B	2.0	18.5	18.5	3.00	604	0.0
40	FIDE 6570887	0	—	−17N	−28B	F	−22N	−33B	+?N	+?B	2.0	14.0	14.0	0.00	777	0.0
41	FIDE 6576150	0	—	−?N	−25B	−?N	F	+44B	+30N	−19B	2.0	12.0	12.0	4.50	738	0.0
42	FIDE 6570917	0	—	−1N	−?B	−?N	+?B	+?N	−?B	−38N	2.0	9.0	9.0	0.00	780	0.0
43	FIDE 6576141	0	—	−9B	−?N	+?B	−31N	−?B	−?N	+48B	2.0	8.0	8.0	0.00	604	0.0
44	FIDE 6573789	0	—	−19N	+49B	−14N	−34B	−41N	=37B	−?N	1.5	16.0	16.0	1.25	719	0.0
45	FIDE 6576133	0	—	F	−10N	−26B	−24N	−15B	+48N	−33B	1.0	20.0	20.0	0.00	657	0.0
46	FIDE 6576184	0	—	−13B	+50N	−29B	−21N	F	F	F	1.0	12.0	12.0	0.00	637	0.0
47	FIDE 6576125	0	—	−5N	+48B	−25N	F	F	F	F	1.0	8.5	8.5	0.00	827	0.0
48	FIDE 6576192	0	—	−21B	−47N	F	−18B	−?N	−45B	−43N	0.0	12.0	12.0	0.00	641	0.0
49	FIDE 6576117	0	—	−3B	−44N	F	F	F	F	F	0.0	9.5	9.5	0.00	748	0.0
50	FIDE 6571964	0	—	−16N	−46B	F	F	F	F	F	0.0	5.0	5.0	0.00	789	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Rodriguez Gonzalez, SantiagoCRC
+53.6
7.0 pts · #2
2Montenegro Rojas, Mario AlejandroCRC
+51.6
6.0 pts · #1
3Charaja Umana, Nataly CrisbethCRC
+39.6
5.0 pts · #10

Top rating losers

1Charpentier Badilla, Ian SebastianCRC
-55.2
5.0 pts · #42
2Torres Angulo, Gary EstebanCRC
-45.6
4.0 pts · #13
3Cerdas Hurtado, Jose AngelCRC
-36.4
4.0 pts · #44

Biggest upsets

R4+199 Elo gap
Charaja Umana, Nataly Crisbeth1423 beat Charpentier Badilla, Ian Sebastian1622
R3+140 Elo gap
Peraza Cedrez, Daniel1435 beat Jimenez Noguera, Matias1575
R3+135 Elo gap
Charaja Umana, Nataly Crisbeth1423 beat Torres Angulo, Gary Esteban1558