NACIONAL DE LA NINEZ Y JUVENTUD 2026 SUB 12 ABSOLUTO

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74 players participated in this 9-round tournament, held from 03 Feb 2026 to 08 Feb 2026 in Santiago, Chile. Top 10 Elo average was 1723, and top seed was Franco Alessandro Escobar Castro (🇨🇱 CHI, 1919).

Arturo Nicolas Araneda Alcaino (🇨🇱 CHI, 1733) won with 7.5/9, ahead of Vicente Munoz Venegas (7.5) and Steven Anton Chacon Olortegui (7.0). Araneda Alcaino won on tie-break after catching the field in the final round.

The biggest upset came in round 8: David Alonso Diaz Rosas (1532) beat Franco Alessandro Escobar Castro (1919), a +387-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

🇨🇱Franco Alessandro Escobar Castro1919

Avg top 10

1,723

Participants

Federations · 1 represented

🇨🇱Chile×53

Top 3

🥇
Arturo Nicolas Araneda Alcaino
🇨🇱CHI·1733
7.5pts·1901perf+68.0
🥈
Vicente Munoz Venegas
🇨🇱CHI·1733
7.5pts·1839perf+41.2
🥉
Steven Anton Chacon Olortegui
🇨🇱CHI·1816
7.0pts·1810perf+4.8

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 2 at the finish.

Co-leaders

Munoz Venegas7.5Araneda Alcaino7.5Gutierrez Verdugo7Chacon Olortegui7Gonzalez Lopez6.5Passmore Bowman6.5

R8 · LEADER CHANGE07 Feb

Leonidas Gutierrez Verdugo takes the sole lead (7.0/8).

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Araneda Alcaino takes the title on Buchholz Cut1 (49.5).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Vicente Munoz Venegas beat Arturo Nicolas Araneda Alcaino (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Vicente Munoz Venegas	*	1	—	½
2Arturo Nicolas Araneda Alcaino	0	*	1	½
3Leonidas Gutierrez Verdugo	—	0	*	—
4Steven Anton Chacon Olortegui	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Araneda Alcaino, Arturo Nicolas	1733	CHI	+43B	+24N	+56B	+17N	+5B	−2N	=3B	+6N	+4B	7.5	49.5	53.0	42.00	1901	+68.0
2	Munoz Venegas, Vicente	1733	CHI	+62N	+31B	+15N	+11B	=12N	+1B	=10N	=3B	+13N	7.5	49.5	52.5	43.00	1839	+41.2
3	Chacon Olortegui, Steven Anton	1816	CHI	+33B	+19N	+37B	−10N	+16B	+21B	=1N	=2N	+11B	7.0	48.0	52.5	39.00	1810	+4.8
4	Gutierrez Verdugo, Leonidas	1796	CHI	+53N	+30B	−12N	+29B	+14N	+7B	+11N	+10B	−1N	7.0	48.0	52.0	38.50	1744	-12.8
5	Passmore Bowman, Tobias	1832	CHI	+52N	+14B	−11N	+28B	−1N	+29B	+31N	+12B	=7N	6.5	47.0	51.0	34.25	1670	-48.0
6	Morales Valderrama, Arturo	1500	CHI	+46N	+38B	−7N	+41B	+9N	+13B	=21N	−1B	+10N	6.5	46.5	51.0	34.50	1726	+68.8
7	Gonzalez Lopez, Gabriel Eduardo	1660	CHI	+64B	+28N	+6B	−21B	+30N	−4N	+24B	+8N	=5B	6.5	46.5	49.5	34.25	1741	+35.6
8	Briones Villavicencio, Leon Alejandro	1419	CHI	+51B	−10N	+45B	+25N	=17B	+56N	+26N	−7B	+16B	6.5	42.0	45.5	30.25	1626	+67.2
9	Saa Manriquez, Gaspar Facundo	1546	CHI	−47B	+49N	+33B	+18N	−6B	=22N	+48B	+14B	+19N	6.5	41.5	45.5	32.50	1549	+0.4
10	Larranaga Arriagada, Emilio Alon	1618	CHI	+68N	+8B	+18N	+3B	=21N	+12B	=2B	−4N	−6B	6.0	51.0	54.0	34.25	1732	+45.6
11	Diaz Rosas, David Alonso	1532	CHI	+55B	+36N	+5B	−2N	+24B	+17N	−4B	+21B	−3N	6.0	48.0	52.0	30.50	1780	+84.4
12	Torres Lagos, Matias Alberto	1505	CHI	+58B	+60N	+4B	+26N	=2B	−10N	=16B	−5N	+23B	6.0	46.0	49.5	30.50	1626	+27.2
13	Sanchez Pino, Jose Eduardo	1555	CHI	+48N	−18B	+23B	+22N	+37B	−6N	+36B	+28N	−2B	6.0	43.5	47.5	28.00	1503	-18.0
14	Perez Rojas, Alonso	1469	CHI	+69B	−5N	+66B	+58N	−4B	+23N	+47B	−9N	+25B	6.0	40.5	43.0	23.00	1485	-4.4
15	Leonard Merello Sebastian Andres	1499	CHI	+65B	+70N	−2B	=27N	=23B	−36N	+53B	+47N	+29B	6.0	38.0	40.5	23.50	1579	+7.6
16	Brunstein Hauyon, Felipe	1512	CHI	+66B	−27N	+43B	+39N	−3N	+18B	=12N	+26B	−8N	5.5	44.0	47.0	25.50	1450	-16.8
17	Donoso Chavez, Mateo Isaias	1567	CHI	+74B	+22N	+50B	−1B	=8N	−11B	+27N	−19N	+40B	5.5	44.0	45.5	23.25	1501	-18.0
18	Yanez Gonzalez, Matias Ignacio	1408	CHI	+57N	+13N	−10B	−9B	+38N	−16N	+45B	=35N	+37B	5.5	42.5	46.0	25.50	1478	+17.6
19	Krygsman Garrido, Liam Nicolas	0	CHI	+?N	−3B	−48N	+44B	+62N	=27B	+40N	+17B	−9B	5.5	40.0	40.0	20.00	1568	0.0
20	Diaz Canete, Tomas Agustin	1491	CHI	+35N	−21B	+62N	=48B	=27N	=40B	−22N	+44B	+36N	5.5	37.5	40.5	23.75	1444	-16.4
21	Escobar Castro, Franco Alessandro	1919	CHI	+39B	+20N	+25B	+7N	=10B	−3N	=6B	−11N	F	5.0	47.5	52.0	27.75	1651	-78.8
22	Avila Miranda, Raimundo	1417	CHI	+63N	−17B	+32N	−13B	+34N	=9B	+20B	−25N	=35B	5.0	43.5	46.5	24.25	1391	-6.8
23	Vergara Tabilo, Mateo Gabriel	0	CHI	=26N	+44B	−13N	+54B	=15N	−14B	+57N	+31B	−12N	5.0	42.5	46.0	22.50	1426	0.0
24	Ortiz Stuardo, Sebastian Maximiliano	1446	CHI	+73N	−1B	+47N	+38B	−11N	+39B	−7N	=42B	=26N	5.0	42.5	44.5	19.75	842	-30.8
25	Poblete Flores, Alonso David	1539	CHI	+34N	+40B	−21N	−8B	−39N	+32B	+33N	+22B	−14N	5.0	42.0	46.5	24.50	1457	-27.2
26	Villagra Jinez, Manuel Ignacio	0	CHI	=23B	+67N	+27B	−12B	+42N	+37N	−8B	−16N	=24B	5.0	42.0	45.0	22.00	1331	0.0
27	Becerra Jerez Ian Alonso	0	CHI	+?N	+16B	−26N	=15B	=20B	=19N	−17B	=30N	+55B	5.0	42.0	42.0	20.50	1504	0.0
28	Sanhueza Valenzuela Fernando Antonio	1439	CHI	+32N	−7B	+34N	−5N	+58B	+50N	+56B	−13B	F	5.0	41.5	45.0	21.00	1447	-1.6
29	Narvaez Catalan Lorenzo Agustin	1423	CHI	−38N	+46B	+72N	−4N	+45B	−5N	+51B	+39B	−15N	5.0	41.5	43.5	19.50	907	-23.2
30	Ramirez Solar, Vicente Ignacio	1449	CHI	+45B	−4N	+71B	+50N	−7B	−47N	=55B	=27B	+42N	5.0	39.5	41.5	19.50	929	-13.6
31	Sandoval Ruiz, Vicente Alonso	1440	CHI	+61N	−2N	−58B	+66N	+64B	+49N	−5B	−23N	+47B	5.0	37.0	40.0	17.50	982	-9.6
32	FIDE 3489809	0	—	−28B	+64N	−22B	+43N	−36B	−25N	+65B	+53N	+48B	5.0	35.0	38.0	18.50	666	0.0
33	FIDE 3485722	0	—	−3N	+?B	−9N	+46B	=?N	=42B	−25B	+61N	+51B	5.0	35.0	35.0	14.25	1264	0.0
34	FIDE 3490645	0	—	−25B	+59N	−28B	+70N	−22B	=60N	=41B	+49N	+?N	5.0	33.0	33.0	14.00	1266	0.0
35	Herrera Rozas, Flavio Matias	0	CHI	−20B	−39N	−?N	+?B	+?N	+41B	+?N	=18B	=22N	5.0	25.0	25.0	9.75	1438	0.0
36	Orellana Maturana, Leon David	0	CHI	+54N	−11B	−38N	+71B	+32N	+15B	−13N	=37N	−20B	4.5	41.5	43.5	19.25	1370	0.0
37	Andrade Mayorga, Julian	1518	CHI	+72N	+42B	−3N	+40B	−13N	−26B	+38N	=36B	−18N	4.5	41.5	43.5	17.75	1353	-36.4
38	Santander Rivera, Tomas Ignacio	0	CHI	+29B	−6N	+36B	−24N	−18B	+43N	−37B	=58N	+56B	4.5	39.0	42.5	19.25	1344	0.0
39	Carvajal Solis, Cristobal Emilio	0	CHI	−21N	+35B	+63N	−16B	+25B	−24N	+50B	−29N	=46N	4.5	39.0	42.0	19.25	1329	0.0
40	Bizama Torres, Anibal Esteban	1402	CHI	+59B	−25N	+60B	−37N	+51B	=20N	−19B	+56N	−17N	4.5	37.0	40.5	17.25	1377	-6.4
41	FIDE 3482839	0	—	−50B	+65N	+51B	−6N	−49B	−35N	=34N	+69B	+57N	4.5	35.0	37.5	15.50	700	0.0
42	Gonzalez Torres, Mateo Agustin	0	CHI	+?B	−37N	+70B	=56N	−26B	=33N	+49B	=24N	−30B	4.5	34.5	34.5	13.25	1289	0.0
43	Valenzuela Campos Sebastian Matias	0	CHI	−1N	+73B	−16N	−32B	+61N	−38B	+63N	=57B	+?N	4.5	34.5	34.5	10.25	1433	0.0
44	Almonacid Barros, Renato Daniel	1412	CHI	=49B	−23N	+67B	−19N	−50B	+70N	+58B	−20N	+60B	4.5	34.0	36.5	14.50	691	-15.6
45	Lobos Alvarado, Sebastian Alonso	0	CHI	−30N	+53B	−8N	+?B	−29N	+62B	−18N	=52B	+?N	4.5	33.0	33.0	9.00	1303	0.0
46	FIDE 3490599	0	—	−6B	−29N	+?B	−33N	=59B	=67N	+?B	+50N	=39B	4.5	31.5	31.5	9.50	663	0.0
47	Barrera Mendez, Mateo Paolo	0	CHI	+9N	−56N	−24B	+63B	+?N	+30B	−14N	−15B	−31N	4.0	40.0	40.0	14.50	1391	0.0
48	Araya Faundez, Diego Antonio	0	CHI	−13B	+57N	+19B	=20N	−56B	+52B	−9N	=?B	−32N	4.0	39.5	39.5	15.75	1269	0.0
49	FIDE 3473406	0	—	=44N	−9B	+52N	=?B	+41N	−31B	−42N	−34B	+62N	4.0	37.0	37.0	13.75	1267	0.0
50	You Banares, Willian Jia	0	CHI	+41N	+?B	−17N	−30B	+44N	−28B	−39N	−46B	+65B	4.0	36.5	36.5	12.00	1389	0.0
51	FIDE 3478076	0	—	−8N	+68B	−41N	+72B	−40N	+71B	−29N	+62B	−33N	4.0	33.5	35.5	10.00	615	0.0
52	Martinez Osorio, Agustin Alonso	0	CHI	−5B	=69N	−49B	+59N	+67B	−48N	=60B	=45N	=54B	4.0	33.0	35.5	13.75	1031	0.0
53	Munoz Briones, Damian Alonso	0	CHI	−4B	−45N	=57B	+69N	+54B	=?B	−15N	−32B	+?N	4.0	32.5	32.5	8.25	1306	0.0
54	FIDE 3489469	0	—	−36B	=55N	+69B	−23N	−53N	−?B	+71N	+59B	=52N	4.0	29.5	29.5	12.00	628	0.0
55	FIDE 3488420	0	—	−11N	=54B	−?N	=57B	+73N	+63B	=30N	=?B	−27N	4.0	28.5	28.5	11.25	1272	0.0
56	Guzman Vega, Salvador Jesus	1512	CHI	+71N	+47B	−1N	=42B	+48N	−8B	−28N	−40B	−38N	3.5	40.5	42.5	12.25	698	-84.0
57	FIDE 3487970	0	—	−18B	−48B	=53N	=55N	+65B	+64N	−23B	=43N	−41B	3.5	34.5	37.5	12.25	609	0.0
58	Frederick Jimenez, Gonzalo Andres	0	CHI	−12N	+?B	+31N	−14B	−28N	=?B	−44N	=38B	=61B	3.5	34.5	34.5	9.00	1348	0.0
59	FIDE 3489612	0	—	−40N	−34B	+68N	−52B	=46N	+69B	−?N	−54N	+71B	3.5	29.5	29.5	9.75	621	0.0
60	Perez Leon, Amirh David	0	CHI	+?N	−12B	−40N	−62B	+72N	=34B	=52N	=?B	−44N	3.5	29.0	29.0	6.50	1288	0.0
61	FIDE 3488187	0	—	−31B	−62B	−?N	+74N	−43B	+66N	+64B	−33B	=58N	3.5	28.5	28.5	9.25	634	0.0
62	Silva Cancino, Sebastian Ignacio	0	CHI	−2B	+61N	−20B	+60N	−19B	−45N	+?B	−51N	−49B	3.0	38.0	38.0	7.00	812	0.0
63	FIDE 3488411	0	—	−22B	+74N	−39B	−47N	+66B	−55N	−43B	−65N	+?B	3.0	29.5	29.5	4.50	618	0.0
64	FIDE 3490025	0	—	−7N	−32B	+?N	+73B	−31N	−57B	−61N	+67B	−?N	3.0	28.5	28.5	5.00	751	0.0
65	Gutierrez Espinoza, Rafael Francisco	0	CHI	−15N	−41B	+?N	−?B	−57N	+72B	−32N	+63B	−50N	3.0	28.0	28.0	5.00	670	0.0
66	FIDE 3489302	0	—	−16N	+?B	−14N	−31B	−63N	−61B	+73N	−?N	+72B	3.0	27.0	27.0	4.00	680	0.0
67	FIDE 3490149	0	—	=?N	−26B	−44N	+68B	−52N	=46B	−?N	−64N	+73B	3.0	26.0	26.0	7.25	1154	0.0
68	FIDE 3482316	0	—	−10B	−51N	−59B	−67N	−?B	+74N	+?B	−?N	+69B	3.0	20.5	20.5	4.00	819	0.0
69	FIDE 3479080	0	—	−14N	=52B	−54N	−53B	+?B	−59N	+70B	−41N	−68N	2.5	31.5	31.5	4.50	687	0.0
70	Roa Cuevas, Cristobal Ignacio	0	CHI	+?N	−15B	−42N	−34B	=71N	−44B	−69N	−72B	+74B	2.5	28.0	28.0	2.50	1322	0.0
71	Donaire Duran, Ivan Anthoni	0	CHI	−56B	+?B	−30N	−36N	=70B	−51N	−54B	=74N	−59N	2.0	28.5	28.5	2.00	1342	0.0
72	FIDE 3489930	0	—	−37B	+?N	−29B	−51N	−60B	−65N	−74B	+70N	−66N	2.0	27.0	27.0	2.50	671	0.0
73	FIDE 3489744	0	—	−24B	−43N	+74B	−64N	−55B	−?N	−66B	+?N	−67N	2.0	24.0	24.0	1.50	647	0.0
74	FIDE 3490700	0	—	−17N	−63B	−73N	−61B	−?N	−68B	+72N	=71B	−70N	1.5	23.5	23.5	3.00	767	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Diaz Rosas, David AlonsoCHI
+84.4
6.0 pts · #9
2Morales Valderrama, ArturoCHI
+68.8
6.5 pts · #10
3Araneda Alcaino, Arturo NicolasCHI
+68.0
7.5 pts · #2

Top rating losers

1Guzman Vega, Salvador JesusCHI
-84.0
3.5 pts · #69
2Escobar Castro, Franco AlessandroCHI
-78.8
5.0 pts · #8
3Passmore Bowman, TobiasCHI
-48.0
6.5 pts · #5

Biggest upsets

R8+387 Elo gap
Diaz Rosas, David Alonso1532 beat Escobar Castro, Franco Alessandro1919
R3+300 Elo gap
Diaz Rosas, David Alonso1532 beat Passmore Bowman, Tobias1832
R3+291 Elo gap
Torres Lagos, Matias Alberto1505 beat Gutierrez Verdugo, Leonidas1796