Campeonato Nacional Infanto Juvenil Par 2026 OPEN U12

Open SwissStandard

60 players participated in this 7-round tournament, held from 06 Mar 2026 to 08 Mar 2026 in Asuncion, Paraguay. 2 federations represented. Top 10 Elo average was 1712, and top seed was Martin Alejandro Aguilar Petersen (🇵🇾 PAR, 1802).

Erick Benjamin Ayala Sanabria (🇵🇾 PAR, 1775) won with 6.0/7, ahead of Andres Joaquin Paredes Almada (6.0) and Alejandro Pauler Chen Jara (6.0). Ayala Sanabria shared the lead from round 5, winning on tie-break.

The biggest upset came in round 7: Alejandro Pauler Chen Jara (1642) beat Martin Alejandro Aguilar Petersen (1802), a +160-point gap.

Location

🇵🇾Asuncion, Paraguay

Dates

06 Mar 2026 → 08 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇾Martin Alejandro Aguilar Petersen1802

Avg top 10

1,712

Participants

Federations · 2 represented

🇵🇾Paraguay×22

🇨🇴Colombia×1

Top 3

🥇
Erick Benjamin Ayala Sanabria
🇵🇾PAR·1775
6.0pts·1876perf+26.0
🥈
Andres Joaquin Paredes Almada
🇵🇾PAR·1787
6.0pts·1914perf+30.4
🥉
Alejandro Pauler Chen Jara
🇵🇾PAR·1642
6.0pts·1839perf+40.8

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 3 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders

Paredes Almada6Ayala Sanabria6Chen Jara6Leith Acosta5.5Florez Moreno5.5Galeano Rolin5

R7 · TIEBREAK CLUSTER

3 players finish on 6.0/7. Ayala Sanabria takes the title on Buchholz Cut1 (29.5).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Andres Joaquin Paredes Almada drew with Erick Benjamin Ayala Sanabria (White).

WIN STREAKS · 2 top finishers

Andres Joaquin Paredes Almada 4 wins (R1–R4)Erick Benjamin Ayala Sanabria 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Andres Joaquin Paredes Almada	*	½	—	1
2Erick Benjamin Ayala Sanabria	½	*	—	½
3Alejandro Pauler Chen Jara	—	—	*	—
4Marcelo Alejandro Leith Acosta	0	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ayala Sanabria, Erick Benjamin	1775	PAR	+26B	+31N	+19B	=4N	+16B	+6N	=2N	6.0	29.5	33.0	27.25	1876	+26.0
2	Paredes Almada, Andres Joaquin	1787	PAR	+20B	+43N	+23B	+7N	=6B	+4N	=1B	6.0	29.5	32.5	27.00	1914	+30.4
3	Chen Jara, Alejandro Pauler	1642	PAR	+60B	+38N	=16B	+23N	=5B	+30N	+21N	6.0	24.5	24.5	19.50	1839	+40.8
4	Leith Acosta, Marcelo Alejandro	1618	PAR	+22N	+9B	+49N	=1B	+8N	−2B	+15N	5.5	30.5	33.0	24.00	1797	+38.0
5	Florez Moreno, Dante	1777	COL	+35N	+11B	+18N	=8B	=3N	=15B	+9N	5.5	30.0	33.5	25.75	1678	-17.2
6	Salomon Casali, Oliver	1770	PAR	+46N	+14B	+17N	+21B	=2N	−1B	=8N	5.0	30.5	33.5	22.00	1772	+5.6
7	Gonzalez Mendez, Martin Ezequiel	1655	PAR	+55N	+13B	+24N	−2B	+22N	−9B	+17N	5.0	28.5	30.5	19.50	1594	-5.2
8	Galeano Rolin, Mateo Josias	1733	PAR	+54B	+58N	+25B	=5N	−4B	+16N	=6B	5.0	26.5	27.5	16.75	1694	-8.0
9	Jara Cuquejo, Santiago Manuel	0	PAR	+?B	−4N	+43B	+25N	+31B	+7N	−5B	5.0	26.5	26.5	15.50	1637	0.0
10	Noguera Delgado, Gael Eduardo	0	PAR	+57N	−27B	+14N	+42B	−15N	+38B	+24N	5.0	23.5	24.5	16.00	722	-28.0
11	FIDE 3718158	0	—	+?B	−5N	+39B	+51N	−30B	+44N	+33B	5.0	20.5	20.5	11.50	974	0.0
12	Gomez Cubas, Thiago Alejandro	0	PAR	−27N	+57B	+?N	=17B	+34N	=18B	+?B	5.0	17.5	17.5	9.00	1333	0.0
13	FIDE 3718107	0	—	+?B	−7N	+?B	−33N	+48B	+51N	+30B	5.0	16.5	16.5	8.00	851	0.0
14	FIDE 3727530	0	—	+?B	−6N	−10B	+?N	+39B	+40N	+?B	5.0	16.0	16.0	6.00	790	0.0
15	Alvarez Duarte, Juan Jose	1511	PAR	+36B	+45N	−21B	+20N	+10B	=5N	−4B	4.5	27.5	30.5	18.25	1565	+6.8
16	Apuril Britez, Diego Salvador	1444	PAR	+44N	+32B	=3N	+34B	−1N	−8B	+38N	4.5	27.0	30.0	16.00	1444	-0.4
17	Kranich Arambulo, Josias Arturo	1401	PAR	+52B	+28N	−6B	=12N	+36B	+19N	−7B	4.5	27.0	29.0	16.50	1535	+16.8
18	Ricardo Benitez, Manuel Alejandro	1440	PAR	+40B	+41N	−5B	+26N	−33B	=12N	+47B	4.5	24.0	26.5	15.00	974	-4.8
19	Melgarejo Cortessi, Thiago David	1560	PAR	+50N	+51B	−1N	=35B	+45N	−17B	+32N	4.5	23.0	25.0	12.75	787	-37.6
20	FIDE 3727572	0	—	−2N	+?B	+32N	−15B	+28N	+29B	−23B	4.0	26.0	26.0	11.50	821	0.0
21	Aguilar Petersen, Martin Alejandro	1802	PAR	F	+37B	+15N	−6N	+40B	+33N	−3B	4.0	25.5	25.5	14.50	1516	-44.4
22	Garayo Morinigo, Mauricio Agustin	0	PAR	−4B	+?N	+28B	+27N	−7B	−23N	+41B	4.0	25.5	25.5	11.00	1398	0.0
23	Martinez Meaurio, Hugo Emanuel	1560	PAR	F	+53B	−2N	−3B	+54N	+22B	+20N	4.0	24.0	24.0	12.00	915	-24.0
24	FIDE 3727491	0	—	+39B	+56N	−7B	−40N	+52B	+26N	−10B	4.0	22.0	23.5	10.50	731	0.0
25	Bareiro Marzal, Mathias Ariel	1518	PAR	+59N	+29B	−8N	−9B	−44N	+56B	+48N	4.0	21.0	22.0	9.00	935	-8.4
26	FIDE 3727599	0	—	−1N	+?B	+?N	−18B	+49N	−24B	+45N	4.0	20.0	20.0	5.50	808	0.0
27	Schmidt Portillo, John Alexander	1531	PAR	+12B	+10N	F	−22B	+47N	F	+39B	4.0	19.5	19.5	15.50	2211	+13.6
28	FIDE 3723240	0	—	+?B	−17B	−22N	+?N	−20B	+?N	+44B	4.0	15.5	15.5	3.00	600	0.0
29	Roman Gimenez, Alejandro Gabriel	0	PAR	+?B	−25N	−38B	+?N	+?B	−20N	+46N	4.0	14.0	14.0	3.00	706	0.0
30	FIDE 3718883	0	—	F	=48N	+54B	+38B	+11N	−3B	−13N	3.5	23.5	23.5	11.25	842	0.0
31	FIDE 3722694	0	—	+?N	−1B	F	+49B	−9N	=32B	+34N	3.5	22.5	22.5	7.75	973	0.0
32	FIDE 3720705	0	—	+42B	−16N	−20B	+?N	+?B	=31N	−19B	3.5	19.5	19.5	4.75	703	0.0
33	FIDE 3713229	0	—	F	=?N	+?B	+13B	+18N	−21B	−11N	3.5	18.5	18.5	9.50	1623	0.0
34	FIDE 3722708	0	—	=47B	+?N	+?B	−16N	−12B	+50N	−31B	3.5	18.0	18.0	3.75	644	0.0
35	FIDE 3727580	0	—	−5B	+?N	+41B	=19N	=?B	−?N	=?B	3.5	13.0	13.0	5.25	1475	0.0
36	FIDE 3723348	0	—	−15N	+?B	=?N	+56B	−17N	F	+?B	3.5	13.0	13.0	1.50	656	0.0
37	FIDE 3718581	0	—	+?B	−21N	−40B	−52N	=?B	+?N	+50B	3.5	11.5	11.5	2.50	1003	0.0
38	FIDE 3716139	0	—	+?B	−3B	+29N	−30N	+41B	−10N	−16B	3.0	26.0	26.0	7.00	699	0.0
39	FIDE 3727700	0	—	−24N	+?B	−11N	+57B	−14N	+42B	−27N	3.0	22.0	22.0	4.00	731	0.0
40	Hermosilla Sanchez, Liam Giocobo	0	PAR	−18N	+?B	+37N	+24B	−21N	−14B	−?N	3.0	21.0	21.0	7.50	823	0.0
41	FIDE 3727793	0	—	+?N	−18B	−35N	+46B	−38N	+55B	−22N	3.0	20.0	20.0	5.00	642	0.0
42	FIDE 3727556	0	—	−32N	+59B	+48B	−10N	−51B	−39N	+53B	3.0	18.0	19.0	5.50	611	0.0
43	FIDE 3727513	0	—	+?N	−2B	−9N	+53B	F	F	+49N	3.0	17.5	17.5	4.50	988	0.0
44	FIDE 3727670	0	—	−16B	+?N	F	+?N	+25B	−11B	−28N	3.0	17.5	17.5	4.00	1475	0.0
45	FIDE 3723194	0	—	+?N	−15B	+?B	+?N	−19B	−?N	−26B	3.0	13.0	13.0	0.00	737	0.0
46	FIDE 3727602	0	—	−6B	−?N	+?B	−41N	+?B	+?N	−29B	3.0	12.0	12.0	0.00	968	0.0
47	FIDE 3717801	0	—	=34N	−?B	+?N	+50B	−27B	F	−18N	2.5	18.0	18.0	4.25	687	0.0
48	FIDE 3719294	0	—	F	=30B	−42N	+58B	−13N	+?N	−25B	2.5	16.5	16.5	2.75	706	0.0
49	FIDE 3727807	0	—	+?B	+?N	−4B	−31N	−26B	=?N	−43B	2.5	16.0	16.0	0.00	818	0.0
50	FIDE 3727645	0	—	−19B	+?N	=56B	−47N	+?N	−34B	−37N	2.5	15.5	15.5	0.75	762	0.0
51	FIDE 3727734	0	—	+?B	−19N	F	−11B	+42N	−13B	−?N	2.0	18.5	18.5	3.00	762	0.0
52	FIDE 3727696	0	—	−17N	−?N	+?B	+37B	−24N	F	F	2.0	15.0	15.0	3.50	600	0.0
53	FIDE 3727718	0	—	+?B	−23N	F	−43N	−?B	+?B	−42N	2.0	13.5	13.5	0.00	762	0.0
54	FIDE 3727610	0	—	−8N	+?B	−30N	+?B	−23B	−?N	−?B	2.0	12.5	12.5	0.00	849	0.0
55	FIDE 3727629	0	—	−7B	−?N	+?B	−?N	+?B	−41N	−?B	2.0	8.0	8.0	0.00	851	0.0
56	FIDE 3727823	0	—	F	−24B	=50N	−36N	+?B	−25N	F	1.5	14.0	14.0	1.25	706	0.0
57	FIDE 3723100	0	—	−10B	−12N	+60B	−39N	−?B	−?N	−?B	1.0	13.0	13.0	0.00	611	0.0
58	FIDE 3727548	0	—	F	−8B	F	−48N	−?B	−59N	+60N	1.0	10.5	10.5	0.00	935	0.0
59	FIDE 3727653	0	—	−25B	−42N	−?B	−?N	F	+58B	−?N	1.0	8.0	8.0	1.00	706	0.0
60	FIDE 3727637	0	—	−3N	−?B	−57N	−?B	−?N	F	−58B	0.0	8.0	8.0	0.00	842	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Chen Jara, Alejandro PaulerPAR
+40.8
6.0 pts · #5
2Leith Acosta, Marcelo AlejandroPAR
+38.0
5.5 pts · #6
3Paredes Almada, Andres JoaquinPAR
+30.4
6.0 pts · #1

Top rating losers

1Aguilar Petersen, Martin AlejandroPAR
-44.4
4.0 pts · #14
2Melgarejo Cortessi, Thiago DavidPAR
-37.6
4.5 pts · #49
3Noguera Delgado, Gael EduardoPAR
-28.0
5.0 pts · #50

Biggest upsets

R7+160 Elo gap
Chen Jara, Alejandro Pauler1642 beat Aguilar Petersen, Martin Alejandro1802
R6+159 Elo gap
Kranich Arambulo, Josias Arturo1401 beat Melgarejo Cortessi, Thiago David1560
R5+115 Elo gap
Leith Acosta, Marcelo Alejandro1618 beat Galeano Rolin, Mateo Josias1733