Panamericano U20 Absoluto 2025

SwissStandard

40 players participated in this 9-round tournament, held from 14 Jun 2025 to 19 Jun 2025 in Asuncion, Paraguay. 24 titled players from 8 federations. Top 10 Elo average was 2371, and top seed was Nico Chasin (🇺🇸 USA, GM, 2452).

Nico Chasin (🇺🇸 USA, GM, 2452) won with 7.0/9, ahead of Jason Liang (6.5) and Zoey Tang (6.5). Chasin shared the lead from round 8 and broke clear in the final round.

The biggest upset came in round 7: Marco Joaquin Vasquez Alva (1552) beat Ivan Alejandro B. Torales G. (FM, 2116), a +564-point gap.

Location

🇵🇾Asuncion, Paraguay

Dates

14 Jun 2025 → 19 Jun 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇺🇸GMNico Chasin2452

Avg top 10

2,371

Participants

Titled players · 24

GM×1

IM×7

FM×13

CM×1

WGM×1

WIM×1

Federations · 8 represented

🇵🇾Paraguay×12

🇺🇸United States of America×9

🇵🇪Peru×5

🇦🇷Argentina×3

🇧🇷Brazil×2

🇲🇽Mexico×2

🇨🇴Colombia×2

🇨🇱Chile×2

Top 3

🥇
GMNico Chasin
🇺🇸USA·2452
7.0pts·2516perf+7.1
🥈
IMJason Liang
🇺🇸USA·2380
6.5pts·2553perf+17.0
🥉
FMZoey Tang
🇺🇸USA·2356
6.5pts·2438perf+21.2

How it unfolded

Top 6 · 9 rounds

GM Nico Chasin led from R9; +0.5-point edge over the runner-up.

Co-leaders

Chasin7Liang6.5Tang6.5Lopez Rayo6Mou6Huallpa Fernandez5.5— ex-leaders:Parkled R4–R5, #13

R9 · LEADER CHANGE19 Jun

GM Nico Chasin takes the sole lead (7.0/9).

R6–R9 · WIN STREAK

IM Jason Liang won 3 in a row (R6–R9).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMNico Chasin	*	—	—	½
2IMJason Liang	—	*	1	1
3FMZoey Tang	—	0	*	½
4IMSantiago Lopez Rayo	½	0	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Chasin, NicoGM	2452	USA	+11B	+19N	=15B	+10N	−9B	+6N	=4B	+16N	+13B	7.0	40.5	45.0	34.75	2516	+7.1
2	Liang, JasonIM	2380	USA	+25B	+12N	=10B	+15N	−6N	+7B	F	+3N	+4B	6.5	43.0	47.0	34.00	2553	+17.0
3	Tang, ZoeyFM	2356	USA	+24N	=4B	=22N	+5B	=7N	+16B	+15N	−2B	+6N	6.5	42.5	46.5	32.25	2438	+21.2
4	Lopez Rayo, SantiagoIM	2282	COL	+37B	=3N	+17B	=18N	+22N	+9B	=1N	=6B	−2N	6.0	43.5	46.0	27.75	2426	+36.8
5	Mou, IrisWIM	2227	USA	+32B	−10N	+20B	−3N	+31B	−15B	+14N	+30N	+11B	6.0	37.5	41.0	25.00	2305	+43.2
6	Ticona Rocabado, Licael RoderickIM	2359	BOL	+23N	+7B	+16N	−9N	+2B	−1B	+12N	=4N	−3B	5.5	46.0	50.0	28.50	2381	+3.6
7	Reyes Zavaleta, Fabian RicardoFM	2314	PER	+38B	−6N	+31B	+11N	=3B	−2N	=21B	+17N	=12B	5.5	41.0	43.5	23.50	2303	+1.0
8	Huallpa Fernandez, Hector Manuel	1983	PER	−22N	+36B	−11B	+34N	+17B	−12N	=19B	+25N	+23N	5.5	34.0	36.5	20.25	2146	+81.2
9	Park, EvanIM	2417	USA	+28N	+14B	+18N	+6B	+1N	−4N	F	F	F	5.0	44.5	48.5	26.00	2588	+12.2
10	Marrujo Pardo, Mauricio EmmanuelFM	2349	CHI	+26N	+5B	=2N	−1B	=30N	+24B	−13N	+18B	F	5.0	42.0	45.5	23.50	2330	-1.6
11	Hebbar, EshaanIM	2163	USA	−1N	+27B	+8N	−7B	+26N	+22B	−18N	+15B	−5N	5.0	41.0	45.0	22.00	2250	+40.8
12	Ribeiro, Matheus Mendes DominguesFM	2294	BRA	+40N	−2B	+23N	=16B	=15N	+8B	−6B	=21N	=7N	5.0	40.5	42.0	20.50	2247	-7.4
13	Silva, Kaua MarquesFM	2254	BRA	+29N	−15B	+24N	−22B	+28N	+14B	+10B	F	−1N	5.0	38.5	42.5	22.00	2322	+17.2
14	Johnson, DonaldFM	2323	USA	+33B	−9N	=25B	=17N	+20B	−13N	−5B	+32N	+26B	5.0	36.5	40.0	19.75	2157	-33.4
15	Melian, Juan SebastianIM	2358	PAR	+31B	+13N	=1N	−2B	=12B	+5N	−3B	−11N	=19B	4.5	45.5	49.0	22.75	2275	-18.6
16	Cherukuri, NiteshFM	2171	USA	+34B	+21N	−6B	=12N	+18B	−3N	+30B	−1B	F	4.5	40.0	43.0	18.00	2309	+63.2
17	Abramor, Franco	2167	ARG	+35N	=22B	−4N	=14B	−8N	+26B	+24N	−7B	=20N	4.5	38.5	41.5	17.75	2115	-10.0
18	Campos Gomez, ManuelIM	2355	COL	+20B	+30N	−9B	=4B	−16N	+32N	+11B	−10N	F	4.5	38.0	41.5	19.50	2237	-20.4
19	Francisco Guecamburu, Candela BeWGM	2316	ARG	+39N	−1B	=28N	=26B	−24N	+27B	=8N	=20B	=15N	4.5	37.5	39.5	17.25	2085	-46.4
20	Martinez Flores, MatiasFM	2013	MEX	−18N	+29B	−5N	+36B	−14N	+23B	=22N	=19N	=17B	4.5	36.5	39.0	17.00	2111	+46.0
21	Caceres Benitez, Arturo EduardoFM	2338	PAR	=27N	−16B	+39N	=28B	+23N	=30B	=7N	=12B	F	4.5	35.0	37.0	17.00	2170	-29.2
22	Sathish, PranavFM	2341	USA	+8B	=17N	=3B	+13N	−4B	−11N	=20B	F	=27N	4.0	41.0	44.5	20.25	2145	-18.3
23	Martello, Benjamin	2040	URU	−6B	+37N	−12B	+25N	−21B	−20N	+34B	+24N	−8B	4.0	36.0	38.5	13.50	2001	-14.8
24	Vinales Gonzalez, Enzo MathiasFM	2019	PAR	−3B	+32N	−13B	+37N	+19B	−10N	−17B	−23B	+34N	4.0	36.0	38.5	13.50	1995	-5.2
25	Orrego Palermo, Marcelo	2106	CHI	−2N	+39B	=14N	−23B	−27N	+40B	+36N	−8B	=28N	4.0	33.5	35.0	10.50	1935	-34.2
26	Sifuentes Alcantara, Jhony Sebas	1993	PER	−10B	+34N	=30B	=19N	−11B	−17N	+39B	+36N	−14N	4.0	33.0	35.0	11.50	1999	+3.2
27	Navarro Canete, Facundo Javier	1837	PAR	=21B	−11N	+33B	−30N	+25B	−19N	−31B	+38N	=22B	4.0	32.5	35.0	14.25	2017	+42.6
28	Torales G., Ivan Alejandro B.FM	2116	PAR	−9B	+38N	=19B	=21N	−13B	=31N	−32B	+39N	=25B	4.0	32.5	34.5	12.75	2026	-29.1
29	Gonzalez Mendez, Martin Ezequiel	1561	PAR	−13B	−20N	−34B	−32N	+35B	+33N	−38B	+37B	+39N	4.0	27.5	29.5	11.00	1623	+21.2
30	Mendez Machado, AndreFM	2202	PAN	+36N	−18B	=26N	+27B	=10B	=21N	−16N	−5B	F	3.5	36.0	38.5	13.25	2091	-40.0
31	Amarilla Ettiene, EzequielCM	2032	PAR	−15N	+40B	−7N	+33B	−5N	=28B	+27N	F	F	3.5	36.0	37.5	11.00	2023	+0.4
32	Vasquez Alva, Marco Joaquin	1552	PER	−5N	−24B	=40N	+29B	+33N	−18B	+28N	−14B	F	3.5	34.5	36.0	12.25	1778	+72.8
33	Ayala Sanabria, Erick Benjamin	1679	PAR	−14N	+35B	−27N	−31N	−32B	−29B	=37N	+40N	+38B	3.5	28.0	29.5	8.25	1619	-35.2
34	Noguera Villalba, Vidal Samuel	1526	PAR	−16N	−26B	+29N	−8B	=40N	=36B	−23N	+35B	−24B	3.0	31.5	33.0	9.00	1624	+24.8
35	Figueroa Fernandez, Cesar Andres	1420	PER	−17B	−33N	−37B	−39B	−29N	+38N	+40B	−34N	+36B	3.0	24.5	26.0	6.50	1498	+30.0
36	Barrios Pinanez, Carlos Emmanuel	1545	PAR	−30B	−8N	+38B	−20N	+37B	=34N	−25B	−26B	−35N	2.5	30.0	32.5	6.50	1601	+3.2
37	Mino Almiron, Joaquin A.	1576	PAR	−4N	−23B	+35N	−24B	−36N	−39B	=33B	−29N	+40B	2.5	29.0	30.5	6.25	1544	-30.0
38	Taa Bakovich, Oliverio	1652	ARG	−7N	−28B	−36N	=40B	+39N	−35B	+29N	−27B	−33N	2.5	28.5	30.0	6.75	1545	-60.4
39	Gomez Tolentino, Iker	1672	MEX	−19B	−25N	−21B	+35N	−38B	+37N	−26N	−28B	−29B	2.0	30.5	33.0	5.50	1612	-42.8
40	Diarte Caceres, Santiago Miguel	1581	PAR	−12B	−31N	=32B	=38N	=34B	−25N	−35N	−33B	−37N	1.5	28.0	30.5	4.50	1432	-73.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Huallpa Fernandez, Hector ManuelPER
+81.2
5.5 pts · #6
2Vasquez Alva, Marco JoaquinPER
+72.8
3.5 pts · #33
3Cherukuri, NiteshFMUSA
+63.2
4.5 pts · #21

Top rating losers

1Diarte Caceres, Santiago MiguelPAR
-73.6
1.5 pts · #40
2Taa Bakovich, OliverioARG
-60.4
2.5 pts · #38
3Francisco Guecamburu, Candela BeWGMARG
-46.4
4.5 pts · #20

Biggest upsets

R7+564 Elo gap
Vasquez Alva, Marco Joaquin1552 beat FMTorales G., Ivan Alejandro B.2116
R5+297 Elo gap
FMVinales Gonzalez, Enzo Mathias2019 beat WGMFrancisco Guecamburu, Candela Be2316
R5+269 Elo gap
Navarro Canete, Facundo Javier1837 beat Orrego Palermo, Marcelo2106