NACIONAL DE LA NINEZ Y JUVENTUD 2026 SUB 10 ABSOLUTO

Open SwissStandard

35 players participated in this 9-round tournament, held from 03 Feb 2026 to 08 Feb 2026 in Santiago, Chile. Top 10 Elo average was 1378, and top seed was Cristian Ignacio Fuenzalida Bautista (🇨🇱 CHI, 1732).

Vrsalovic Acuna. Stjepan Antonio (🇨🇱 CHI, 1689) won with 8.5/9, ahead of Jorge Luis Medel Calbun (7.5) and Aaron Pizarro Rozas (6.5). Antonio won solo starting round 4.

The biggest upset came in round 7: Aaron Pizarro Rozas (1545) beat Cristian Ignacio Fuenzalida Bautista (1732), a +187-point gap.

Location

🇨🇱Santiago, Chile

Dates

03 Feb 2026 → 08 Feb 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇨🇱Cristian Ignacio Fuenzalida Bautista1732

Avg top 10

1,378

Participants

Federations · 1 represented

🇨🇱Chile×21

Top 3

🥇
Vrsalovic Acuna. Stjepan Antonio
🇨🇱CHI·1689
8.5pts·2279perf+47.2
🥈
Jorge Luis Medel Calbun
🇨🇱CHI·1487
7.5pts·1739perf+72.4
🥉
Aaron Pizarro Rozas
🇨🇱CHI·1545
6.5pts·1574perf+7.2

How it unfolded

Top 6 · 9 rounds

Vrsalovic Acuna. Stjepan Antonio led from R4; +1.0-point edge over the runner-up.

Co-leaders

Antonio8.5Medel Calbun7.5Pizarro Rozas6.5Gacitua Espinoza6.5Agustin6Fuenzalida Bautista6

R4–R9 · LEAD HELD

Vrsalovic Acuna. Stjepan Antonio never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Vrsalovic Acuna. Stjepan Antonio beat Jorge Luis Medel Calbun (White).

WIN STREAKS · 3 top finishers

Vrsalovic Acuna. Stjepan Antonio 8 wins (R1–R8)Jorge Luis Medel Calbun 3+4 wins (R1–R3, R5–R8)Aaron Pizarro Rozas 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Vrsalovic Acuna. Stjepan Antonio	*	1	1	½
2Jorge Luis Medel Calbun	0	*	1	1
3Aaron Pizarro Rozas	0	0	*	—
4Oscar Santiago Gacitua Espinoza	½	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Vrsalovic Acuna. Stjepan Antonio	1689	CHI	+24N	+11B	+10N	+2B	+9N	+3B	+5N	+8B	=4N	8.5	49.0	53.5	50.25	2279	+47.2
2	Medel Calbun, Jorge Luis	1487	CHI	+34B	+4N	+5B	−1N	+7B	+18N	+9B	+3N	=6B	7.5	50.0	52.5	41.00	1739	+72.4
3	Pizarro Rozas, Aaron	1545	CHI	+29N	+17B	+15N	=9B	+14N	−1N	+6B	−2B	+13N	6.5	47.5	51.0	32.25	1574	+7.2
4	Gacitua Espinoza, Oscar Santiago	0	CHI	+30N	−2B	+?N	+8B	+10N	−5B	+15N	+13B	=1B	6.5	46.5	46.5	28.75	1413	0.0
5	Martinoli Rojas, Amaru	1447	CHI	F	+25B	−2N	+17B	+20N	+4N	−1B	+18N	+9B	6.0	47.5	47.5	31.50	1438	-2.4
6	Fuenzalida Bautista, Cristian Ignacio	1732	CHI	+31B	=13N	−7B	+19N	+11B	+10N	−3N	+23B	=2N	6.0	45.5	48.5	29.75	1470	-38.0
7	Vargas Olivares Edgar Agustin	0	CHI	+?N	=14B	+6N	+13B	−2N	−9B	+20N	=12B	+17N	6.0	44.5	44.5	26.25	1458	0.0
8	Bravo Parra, Eduardo Alonso	0	CHI	−12B	+?N	+?B	−4N	+?B	+11N	+21B	−1N	+16B	6.0	35.5	35.5	15.00	780	0.0
9	Jara Acevedo, Mateo Alonso	1557	CHI	+35B	+22N	+12B	=3N	−1B	+7N	−2N	+14B	−5N	5.5	49.5	51.5	26.25	1454	-28.8
10	Reyes Perez, Francisco Alonso	1402	CHI	+27B	+26N	−1B	+16N	−4B	−6B	+25N	=19N	+18B	5.5	44.5	48.5	25.00	911	-11.2
11	Briones Villavicencio, Dante Maximo	0	CHI	+16B	−1N	=19B	+23N	−6N	−8B	+24N	+29B	+?N	5.5	43.0	43.0	20.00	1483	0.0
12	Bussenius Adolfssen, Sebastian	1469	CHI	+8N	+20B	−9N	−14B	+33N	+17B	−13N	=7N	+21B	5.5	42.0	44.5	26.00	694	-37.6
13	Sifon Egas, Vicente	0	CHI	+28B	=6B	+18N	−7N	=?B	+26N	+12B	−4N	−3B	5.0	43.0	43.0	21.00	1538	0.0
14	Bravo Ibarra, Vicente Pablo	1449	CHI	+19B	=7N	+23B	+12N	−3B	=21N	−18B	−9N	+26B	5.0	42.5	46.5	24.25	1393	-8.8
15	Morales Bradasic, Salvador Gaspar	0	CHI	+21B	+?N	−3B	+26N	−18B	+27N	−4B	−16N	+23B	5.0	40.0	40.0	17.00	746	0.0
16	Navarro Riffo, Martin Alexander	0	CHI	−11N	+29B	+25N	−10B	−17N	+33B	+22N	+15B	−8N	5.0	39.5	42.0	20.00	602	0.0
17	Tapia Vasquez, Simon Emiliano	0	CHI	+?B	−3N	+27B	−5N	+16B	−12N	+26B	+?N	−7B	5.0	37.0	37.0	13.00	688	0.0
18	Marin Poveda, Jose Carlos	0	CHI	+?B	+?N	−13B	+?N	+15N	−2B	+14N	−5B	−10N	5.0	34.0	34.0	10.00	1361	0.0
19	Carmona Jimenez, Lucas Inaki	0	CHI	−14N	+?B	=11N	−6B	+?N	+24B	=?N	=10B	=20N	5.0	31.5	31.5	12.50	1303	0.0
20	Albornoz Lopez, Leonardo Antonio	0	CHI	+?B	−12N	+28B	+?N	−5B	+?N	−7B	=21N	=19B	5.0	30.5	30.5	8.25	1315	0.0
21	Hetz Soto, Thomas Alejandro	0	CHI	−15N	+31N	=?B	+22N	+?B	=14B	−8N	=20B	−12N	4.5	34.0	34.0	12.50	1315	0.0
22	FIDE 3483410	0	—	+33N	−9B	=30N	−21B	−23N	+?B	−16B	+34N	+28B	4.5	31.0	31.0	10.00	738	0.0
23	FIDE 3488950	0	—	=?N	+?B	−14N	−11B	+22B	+?N	+28B	−6N	−15N	4.5	29.5	29.5	8.00	791	0.0
24	FIDE 3490602	0	—	−1B	−28N	+32B	+?N	=?B	−19N	−11B	+?N	+?N	4.5	25.5	25.5	3.00	889	0.0
25	FIDE 3483150	0	—	+?B	−5N	−16B	+?N	−27B	+31N	−10B	+?N	=?B	4.5	23.5	23.5	3.00	625	0.0
26	FIDE 3483550	0	—	+?N	−10B	+?N	−15B	+?N	−13B	−17N	+27B	−14N	4.0	29.5	29.5	4.00	626	0.0
27	FIDE 3485021	0	—	−10N	+?B	−17N	+?B	+25N	−15B	−?B	−26N	+34B	4.0	26.5	26.5	7.00	602	0.0
28	FIDE 3490165	0	—	−13N	+24B	−20N	=?B	+30N	+?B	−23N	−?B	−22N	3.5	26.5	26.5	7.50	602	0.0
29	FIDE 3479587	0	—	−3B	−16N	−?B	+32N	=?B	+?N	+?B	−11N	−30B	3.5	23.0	23.0	3.00	746	0.0
30	FIDE 3485560	0	—	−4B	+34N	=22B	−?N	−28B	=?N	F	−?B	+29N	3.0	20.5	20.5	8.25	602	0.0
31	FIDE 3479862	0	—	−6N	−21B	+?N	−33B	+?N	−25B	−?N	−35B	+?B	3.0	19.5	19.5	0.00	932	0.0
32	FIDE 3489850	0	—	−?B	−?N	−24N	−29B	+35B	+?N	−?B	−?N	+?B	3.0	10.0	10.0	2.00	602	0.0
33	FIDE 3490653	0	—	−22B	+35N	−?B	+31N	−12B	−16N	=34B	−?N	−?N	2.5	22.5	22.5	6.25	670	0.0
34	FIDE 3490157	0	—	−2N	−30B	+?N	−?B	=?N	=?B	=33N	−22B	−27N	2.5	21.5	21.5	1.25	663	0.0
35	FIDE 3485030	0	—	−9N	−33B	−?N	=?B	−32N	=?B	−?B	+31N	−?B	2.0	14.0	14.0	3.00	738	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Medel Calbun, Jorge LuisCHI
+72.4
7.5 pts · #2
2Vrsalovic Acuna. Stjepan AntonioCHI
+47.2
8.5 pts · #1
3Pizarro Rozas, AaronCHI
+7.2
6.5 pts · #3

Top rating losers

1Fuenzalida Bautista, Cristian IgnacioCHI
-38.0
6.0 pts · #9
2Bussenius Adolfssen, SebastianCHI
-37.6
5.5 pts · #25
3Jara Acevedo, Mateo AlonsoCHI
-28.8
5.5 pts · #4

Biggest upsets

R7+187 Elo gap
Pizarro Rozas, Aaron1545 beat Fuenzalida Bautista, Cristian Ignacio1732
R9+110 Elo gap
Martinoli Rojas, Amaru1447 beat Jara Acevedo, Mateo Alonso1557