CAMPEONATO NACIONAL IMPAR DE AJEDREZ 2025 SUB 11 Femenino

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34 players participated in this 7-round tournament, held from 05 Jun 2025 to 07 Jun 2025 in Lima, Peru. 1 titled players. Top 10 Elo average was 1544, and top seed was Fabiana Sofia Gutarra Minaya (🇵🇪 PER, 1754).

Koharu Aize Torres Arambulo (🇵🇪 PER, WCM, 1528) won with 6.0/7, ahead of Astrid Thais Vera Alca (6.0) and Aleana Evaluna Castaneda Diaz (5.5). Torres Arambulo won on tie-break after catching the field in the final round.

The biggest upset came in round 7: Adriana Rafaela Chueca Balcazar (1451) beat Fabiana Sofia Gutarra Minaya (1754), a +303-point gap.

Location

🇵🇪Lima, Peru

Dates

05 Jun 2025 → 07 Jun 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇪Fabiana Sofia Gutarra Minaya1754

Avg top 10

1,544

Participants

Titled players · 1

WCM×1

Federations · 1 represented

🇵🇪Peru×31

Top 3

🥇
WCMKoharu Aize Torres Arambulo
🇵🇪PER·1528
6.0pts·1780perf+71.2
🥈
Astrid Thais Vera Alca
🇵🇪PER·1499
6.0pts·1831perf+86.4
🥉
Aleana Evaluna Castaneda Diaz
🇵🇪PER·1557
5.5pts·1733perf+52.8

How it unfolded

Top 6 · 7 rounds

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

Co-leaders

Torres Arambulo6Vera Alca6Castaneda Diaz5.5Gomez Gonzales5Chueca Balcazar5Napan Villamares5

R7 · TIEBREAK CLUSTER

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

WIN STREAKS · 2 top finishers

WCM Koharu Aize Torres Arambulo 4 wins (R4–R7)Aleana Evaluna Castaneda Diaz 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1WCMKoharu Aize Torres Arambulo	*	—	1	—
2Astrid Thais Vera Alca	—	*	½	—
3Aleana Evaluna Castaneda Diaz	0	½	*	1
4Ana Paula Gomez Gonzales	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Torres Arambulo, Koharu AizeWCM	1528	PER	+14B	=9N	=8B	+6N	+12B	+5N	+3B	6.0	28.5	32.5	28.00	1780	+71.2
2	Vera Alca, Astrid Thais	1499	PER	+27N	+22B	=19N	+11B	=3B	+10N	+8B	6.0	24.5	26.5	22.00	1831	+86.4
3	Castaneda Diaz, Aleana Evaluna	1557	PER	+16B	+13N	+5B	+10B	=2N	+4B	−1N	5.5	30.0	34.0	25.00	1733	+52.8
4	Gomez Gonzales, Ana Paula	1545	PER	+31N	−6B	+9B	+13N	+7B	−3N	+12B	5.0	28.0	30.0	19.50	1620	+21.6
5	Chueca Balcazar, Adriana Rafaela	1451	PER	+29B	+8N	−3N	+18B	+15N	−1B	+10B	5.0	28.0	30.0	18.50	1670	+61.2
6	Napan Villamares, Daiana Antuaneth	1442	PER	+34B	+4N	−11N	−1B	+27N	+21B	+15N	5.0	24.0	25.0	15.00	1534	+21.6
7	Copello Burga, Luciana Fernanda	1480	PER	+23B	+33N	−10N	+19B	−4N	+14B	+11N	5.0	23.5	24.5	15.50	1589	+16.0
8	Tacas Granda, Natalia Lisseth	1592	PER	+17N	−5B	=1N	+25B	+13N	+9B	−2N	4.5	29.5	32.0	18.00	1491	-27.2
9	Flores Gilvonio, Gina Sofia	1441	PER	+18N	=1B	−4N	+22B	+19N	−8N	+20B	4.5	26.5	29.5	17.00	1456	-22.0
10	Gutarra Minaya, Fabiana Sofia	1754	PER	+28B	+12N	+7B	−3N	+11B	−2B	−5N	4.0	29.5	31.5	15.00	1498	-80.8
11	Garcia Moncada, Maria Estefany Sofia	1499	PER	+32B	+20N	+6B	−2N	−10N	+17B	−7B	4.0	27.5	28.5	13.50	1361	-36.4
12	Rodriguez Rojas, Hillary Antuanet	1465	PER	+21N	−10B	+27N	+17B	−1N	+30B	−4N	4.0	24.0	26.0	11.00	822	-37.6
13	Berrospi Covenas, Rayza Crystal Asira	1448	PER	+24N	−3B	+21N	−4B	−8B	+29N	+23B	4.0	24.0	26.0	11.00	767	-40.8
14	Garay Ramirez, Dhara Celeste	0	PER	−1N	+24B	+?N	−15B	+22N	−7N	+21B	4.0	24.0	24.0	9.00	723	0.0
15	Chavez Bautista, Ybi Ariana Alexandra	1522	PER	+30N	−19B	+33B	+14N	−5B	+16N	−6B	4.0	23.5	24.5	11.00	655	-71.2
16	Flower Nivin, Indira Sofia Mikela	0	PER	−3N	−21B	+24N	+29B	+18N	−15B	+?N	4.0	21.5	21.5	9.00	741	0.0
17	Carbajal Huachani, Valeria del Rocio	0	PER	−8B	+29N	+34B	−12N	+23B	−11N	+19N	4.0	21.0	22.0	9.50	1328	0.0
18	Rubio Benites, Betty Elizabeth	0	PER	−9B	+32N	+?B	−5N	−16B	+28N	+30N	4.0	18.5	18.5	5.00	694	0.0
19	Luna Chile, Camila Kendall	1421	PER	+26B	+15N	=2B	−7N	−9B	+25N	−17B	3.5	26.0	28.5	12.00	1431	-14.8
20	Aquino Medina, Helen Estefany	0	PER	+25B	−11B	−22N	=28N	+?B	+27B	−9N	3.5	18.0	18.0	5.50	740	0.0
21	Montes Medina, Daniela Victoria	0	PER	−12B	+16N	−13B	+?N	+28B	−6N	−14N	3.0	23.0	23.0	6.00	651	0.0
22	Uribe Arteaga, Esmeralda Angelique	0	PER	+?B	−2N	+20B	−9N	−14B	−23N	+28B	3.0	23.0	23.0	5.50	720	0.0
23	Machaguay Sulca, Margaret Amy	0	PER	−7N	−28N	+?B	+31B	−17N	+22B	−13N	3.0	20.0	20.0	5.00	679	0.0
24	Quispe Condori, Camila Anai	0	PER	−13B	−14N	−16B	+?N	+32N	−?B	+27N	3.0	15.0	15.0	3.00	648	0.0
25	Vilchez De la Cruz, Victoria Isabel	0	PER	−20N	F	=28B	−8N	+33B	−19B	+31N	2.5	16.5	16.5	4.00	744	0.0
26	Salas Vilchez, Arianna Loretta	0	PER	−19N	+30B	−31N	−27B	−29N	+33B	=?N	2.5	12.5	12.5	3.00	695	0.0
27	Lima Ludena, Maria Jose	0	PER	−2B	+?N	−12B	+26N	−6B	−20N	−24B	2.0	24.0	24.0	2.50	664	0.0
28	Campo Malasquez, Dhaniela Alejandra	0	PER	−10N	+23B	=25N	=20B	−21N	−18B	−22N	2.0	20.5	23.0	6.00	982	0.0
29	Pena Robles, Camila Alessandra	0	PER	−5N	−17B	F	−16N	+26B	−13B	+32N	2.0	20.5	20.5	3.50	642	0.0
30	FIDE 81403976	0	—	−15B	−26N	+32B	F	+?N	−12N	−18B	2.0	16.5	16.5	1.00	696	0.0
31	FIDE 81403810	0	—	−4B	−34N	+26B	−23N	−?B	+?N	−25B	2.0	14.0	14.0	2.50	751	0.0
32	Jara Elias, Paula Alessandra	0	PER	−11N	−18B	−30N	F	−24B	+?N	−29B	1.0	15.0	15.0	0.00	728	0.0
33	Herrera Manueco, Camila Sofia	0	PER	F	−7B	−15N	−?B	−25N	−26N	+?B	1.0	14.0	14.0	0.00	717	0.0
34	FIDE 81405367	0	—	−6N	+31B	−17N	F	F	F	F	1.0	13.0	13.0	2.00	636	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Vera Alca, Astrid ThaisPER
+86.4
6.0 pts · #3
2Torres Arambulo, Koharu AizeWCMPER
+71.2
6.0 pts · #1
3Chueca Balcazar, Adriana RafaelaPER
+61.2
5.0 pts · #6

Top rating losers

1Gutarra Minaya, Fabiana SofiaPER
-80.8
4.0 pts · #5
2Chavez Bautista, Ybi Ariana AlexandraPER
-71.2
4.0 pts · #18
3Berrospi Covenas, Rayza Crystal AsiraPER
-40.8
4.0 pts · #25

Biggest upsets

R7+303 Elo gap
Chueca Balcazar, Adriana Rafaela1451 beat Gutarra Minaya, Fabiana Sofia1754
R6+255 Elo gap
Vera Alca, Astrid Thais1499 beat Gutarra Minaya, Fabiana Sofia1754
R4+197 Elo gap
Castaneda Diaz, Aleana Evaluna1557 beat Gutarra Minaya, Fabiana Sofia1754