LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Sub 12 Fem

Open SwissStandard

34 players participated in this 7-round tournament, held from 01 Apr 2026 to 05 Apr 2026 in QRO, Queretaro, Mexico. Top 10 Elo average was 1548, and top seed was Brianna Bouchot Garcia (🇲🇽 MEX, 1702).

Alondra Bagatella Avalos (🇲🇽 MEX, 1663) won with 6.0/7, ahead of Sara Victoria Ruiz Arce (6.0) and Sarahi Hernandez Lopez (5.0). Bagatella Avalos shared the lead from round 6, winning on tie-break.

The biggest upset came in round 6: Michell Sophia Morales Barcelo (1451) beat Brianna Bouchot Garcia (1702), a +251-point gap.

Location

🇲🇽QRO, Queretaro, Mexico

Dates

01 Apr 2026 → 05 Apr 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇲🇽Brianna Bouchot Garcia1702

Avg top 10

1,548

Participants

Federations · 1 represented

🇲🇽Mexico×22

Top 3

🥇
Alondra Bagatella Avalos
🇲🇽MEX·1663
6.0pts·2295perf+33.6
🥈
Sara Victoria Ruiz Arce
🇲🇽MEX
6.0pts·1582perf0.0
🥉
Sarahi Hernandez Lopez
🇲🇽MEX·1527
5.0pts·1543perf+2.4

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.0/7, decided on Buchholz.

Co-leaders

Ruiz Arce6Bagatella Avalos6Hernandez Lopez5Mote Amasifuen5Morales Barcelo4.5Malaquias Moreno4.5

R5 · LEADER CHANGE03 Apr

Maria Julia Avila Luna takes the sole lead (4.5/5).

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Bagatella Avalos takes the title on Buchholz Cut1 (28.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Sara Victoria Ruiz Arce lost to Alondra Bagatella Avalos (Black).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Sara Victoria Ruiz Arce	*	0	—	1
2Alondra Bagatella Avalos	1	*	1	—
3Sarahi Hernandez Lopez	—	0	*	1
4Izel Alexandra Mote Amasifuen	0	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Bagatella Avalos, Alondra	1663	MEX	+17N	+11B	+6N	+2B	−5N	+3B	+7B	6.0	28.5	32.0	27.50	2295	+33.6
2	Ruiz Arce, Sara Victoria	0	MEX	+12N	+22B	+4N	−1N	+13B	+5B	+9N	6.0	28.0	31.0	25.00	1582	0.0
3	Hernandez Lopez, Sarahi	1527	MEX	+13N	=8B	+24N	=7B	+4N	−1N	+5B	5.0	28.5	31.5	21.00	1543	+2.4
4	Mote Amasifuen, Izel Alexandra	1516	MEX	+33B	+31N	−2B	+16N	−3B	+15N	+11N	5.0	24.0	25.0	14.00	727	-19.2
5	Avila Luna, Maria Julia	0	MEX	+20B	+28N	=7B	+23N	+1B	−2N	−3N	4.5	28.0	30.0	16.75	1564	0.0
6	Inzunza Becerra, Alexa Lizbeth	1508	MEX	+34N	+19B	−1B	+8N	=7N	−9B	+18N	4.5	26.5	26.5	13.75	1280	-32.8
7	Morales Barcelo, Michell Sophia	1451	MEX	+29N	+26B	=5N	=3N	=6B	+21B	−1N	4.5	25.5	27.5	14.50	1663	+56.0
8	Malaquias Moreno, Jessyca Gisele	0	MEX	+16B	=3N	=21N	−6B	+12N	=18B	+26B	4.5	24.0	26.5	16.25	1561	0.0
9	Oi, Natsume	1544	MEX	=14B	+27N	−23B	+28N	+10B	+6N	−2B	4.5	24.0	26.0	15.00	1521	-2.8
10	Ibanez Calva, Ana Karina	0	MEX	−24N	+34B	+12N	=18B	−9N	+31B	+17N	4.5	19.5	19.5	10.25	1477	0.0
11	Razo Bravo, Maria Constanza	0	MEX	+25B	−1N	+14B	=21B	=22N	+13N	−4B	4.0	25.0	28.0	14.00	1396	0.0
12	Galindo Cruz, Lizeth	1410	MEX	−2B	+25N	−10B	+20N	−8B	+30N	+23B	4.0	24.5	26.5	11.50	2333	+26.8
13	Padilla Munoz, Valeria Lizette	0	MEX	−3B	+30N	+28B	+?N	−2N	−11B	+21N	4.0	22.0	22.0	7.00	1615	0.0
14	FIDE 29622069	0	—	=9N	=24B	−11N	+32B	+31N	+22B	−16N	4.0	19.5	20.5	8.75	1530	0.0
15	Pedraza Rodriguez, Valeri Itzayan	0	MEX	−21N	+32B	−26N	+30B	+24N	−4B	+22N	4.0	18.5	19.5	9.00	1370	0.0
16	Hernandez Gamiz, Jatzibe	0	MEX	−8N	F	+31B	−4B	+?N	+23N	+14B	4.0	17.5	17.5	8.00	1525	0.0
17	FIDE 29649870	0	—	−1B	+33N	−18N	+19B	+27B	=26N	−10B	3.5	22.0	23.0	7.75	1417	0.0
18	Olguin Meza, Alejandra Elizabeth	0	MEX	=27B	=?N	+17B	=10N	=23B	=8N	−6B	3.5	22.0	22.0	10.50	1328	0.0
19	FIDE 550023039	0	—	+?B	−6N	−27B	−17N	+29B	=20N	+25B	3.5	18.5	18.5	6.75	708	0.0
20	Osorno, Zempoalteca Frida	0	MEX	−5N	+29B	−22N	−12B	+32N	=19B	+?N	3.5	18.0	18.0	4.75	643	0.0
21	Bouchot Garcia, Brianna	1702	MEX	+15B	=23N	=8B	=11N	=26B	−7N	−13B	3.0	24.0	26.5	11.00	1389	-48.8
22	Mireles Nunez, Naylea	1475	MEX	+30B	−2N	+20B	=26N	=11B	−14N	−15B	3.0	24.0	26.0	8.75	1557	+4.4
23	Aguilar Gaytan, Brenda Helena	1533	MEX	+32N	=21B	+9N	−5B	=18N	−16B	−12N	3.0	23.5	24.5	8.75	1552	+2.8
24	FIDE 29622042	0	—	+10B	=14N	−3B	=27N	−15B	−?B	+31N	3.0	20.5	20.5	8.50	727	0.0
25	Camargo Ortega, Jimena	0	MEX	−11N	−12B	+29N	−31B	+28B	+27N	−19N	3.0	17.5	18.5	6.00	610	0.0
26	Idarraga Patino, Valeria	1557	MEX	F	−7N	+15B	=22B	=21N	=17B	−8N	2.5	22.5	22.5	8.75	1418	-22.4
27	FIDE 29621283	0	—	=18N	−9B	+19N	=24B	−17N	−25B	−29N	2.0	21.0	23.0	6.75	744	0.0
28	FIDE 550002031	0	—	F	−5B	−13N	−9B	−25N	+32B	+33N	2.0	18.0	18.0	2.00	744	0.0
29	FIDE 550024892	0	—	−7B	−20N	−25B	F	−19N	+34N	+27B	2.0	16.5	16.5	2.00	651	0.0
30	FIDE 550015010	0	—	−22N	−13B	F	−15N	+33B	−12B	+34N	2.0	16.0	16.0	1.00	643	0.0
31	FIDE 29606764	0	—	F	−4B	−16N	+25N	−14B	−10N	−24B	1.0	23.5	23.5	3.00	716	0.0
32	FIDE 29645476	0	—	−23B	−15N	+33B	−14N	−20B	−28N	F	1.0	17.5	17.5	1.00	733	0.0
33	FIDE 550024884	0	—	−4N	−17B	−32N	+34B	−30N	F	−28B	1.0	13.5	13.5	0.00	716	0.0
34	FIDE 29656664	0	—	−6B	−10N	−?B	−33N	F	−29B	−30B	0.0	14.0	14.0	0.00	708	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Morales Barcelo, Michell SophiaMEX
+56.0
4.5 pts · #3
2Bagatella Avalos, AlondraMEX
+33.6
6.0 pts · #2
3Galindo Cruz, LizethMEX
+26.8
4.0 pts · #12

Top rating losers

1Bouchot Garcia, BriannaMEX
-48.8
3.0 pts · #15
2Inzunza Becerra, Alexa LizbethMEX
-32.8
4.5 pts · #19
3Idarraga Patino, ValeriaMEX
-22.4
2.5 pts · #9

Biggest upsets

R6+251 Elo gap
Morales Barcelo, Michell Sophia1451 beat Bouchot Garcia, Brianna1702
R7+123 Elo gap
Galindo Cruz, Lizeth1410 beat Aguilar Gaytan, Brenda Helena1533
R2+106 Elo gap
Morales Barcelo, Michell Sophia1451 beat Idarraga Patino, Valeria1557