XVI Festival Internacional de Ajedrez Claretiano Sub 16

Open SwissStandard

31 players participated in this 7-round tournament, held from 17 Oct 2025 to 19 Oct 2025 in Lima, Peru. 1 titled players. Top 10 Elo average was 1860, and top seed was Gian Carlo Gabriel Quiroz Alva (🇵🇪 PER, 1963).

Gian Carlo Gabriel Quiroz Alva (🇵🇪 PER, 1963) won with 6.0/7, ahead of Lennin Alfredo Chavez Bautista (5.5) and Claudia Micaela Acuna Alarcon (5.0). Quiroz Alva shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 5: Angel Yhadiel Valdez Maravi (1625) beat Alessandro Jair Cardenas Huachaca (1943), a +318-point gap.

Location

🇵🇪Lima, Peru

Dates

17 Oct 2025 → 19 Oct 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇪Gian Carlo Gabriel Quiroz Alva1963

Avg top 10

1,860

Participants

Titled players · 1

WCM×1

Federations · 1 represented

🇵🇪Peru×28

Top 3

🥇
Gian Carlo Gabriel Quiroz Alva
🇵🇪PER·1963
6.0pts·2014perf+16.4
🥈
Lennin Alfredo Chavez Bautista
🇵🇪PER·1828
5.5pts·1948perf+39.6
🥉
WCMClaudia Micaela Acuna Alarcon
🇵🇪PER·1843
5.0pts·1906perf+25.2

How it unfolded

Top 6 · 7 rounds

Gian Carlo Gabriel Quiroz Alva led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.

Co-leaders

Quiroz Alva6Chavez Bautista5.5Acuna Alarcon5Villacorta Asto4.5Julca Sosa4.5Joaquin4

R7 · LEADER CHANGE19 Oct

Gian Carlo Gabriel Quiroz Alva takes the sole lead (6.0/7).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Gian Carlo Gabriel Quiroz Alva beat Lennin Alfredo Chavez Bautista (Black).

WIN STREAKS · 2 top finishers

Gian Carlo Gabriel Quiroz Alva 6 wins (R2–R7)Lennin Alfredo Chavez Bautista 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Gian Carlo Gabriel Quiroz Alva	*	1	1	—
2Lennin Alfredo Chavez Bautista	0	*	—	½
3WCMClaudia Micaela Acuna Alarcon	0	—	*	½
4Rodrigo Sebastian Villacorta Asto	—	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Quiroz Alva, Gian Carlo Gabriel	1963	PER	−11N	+22B	+21N	+20B	+6N	+2N	+3B	6.0	23.0	25.5	22.00	2014	+16.4
2	Chavez Bautista, Lennin Alfredo	1828	PER	+22N	+11B	+12N	+7B	+5N	−1B	=4N	5.5	26.0	28.5	20.25	1948	+39.6
3	Acuna Alarcon, Claudia MicaelaWCM	1843	PER	+15N	=8B	+6N	+12B	=4N	+5B	−1N	5.0	26.5	29.5	19.25	1906	+25.2
4	Villacorta Asto, Rodrigo Sebastian	1725	PER	+31B	+16N	+24B	−5N	=3B	=9N	=2B	4.5	24.5	24.5	12.75	1829	+40.0
5	Julca Sosa, Jeanfranco Jesus	1717	PER	+29N	+20B	+23N	+4B	−2B	−3N	=14B	4.5	23.5	23.5	11.25	1865	+48.4
6	Rayme Angulo Andres Joaquin	1834	PER	+21B	=7N	−3B	+17N	−1B	+18N	=10B	4.0	25.0	27.5	12.50	1766	-20.8
7	Sanchez Sanchez, Leonardo Daniel	1696	PER	F	=6B	+8N	−2N	+24B	=14N	+9B	4.0	23.5	23.5	14.25	1926	+72.4
8	Paredes Minaya, Alyssa Christina Lucia	1689	PER	+28B	=3N	−7B	−14N	+17B	+16N	=12B	4.0	22.0	22.5	10.75	1728	+10.8
9	Poma Bernal, Cristian Andres	1925	PER	−20N	+29B	+28N	=13B	+25N	=4B	−7N	4.0	17.5	17.5	7.00	1674	-65.6
10	Luza Chura Marco Adriano	1738	PER	=26N	−23B	−25N	+28B	+15N	+20B	=6N	4.0	17.0	17.5	9.25	1739	-1.6
11	Rodriguez Chambi, Fabrizio Santiago	1652	PER	+1B	−2N	+16B	F	+26N	−13B	=22N	3.5	23.0	23.0	12.75	1787	+42.0
12	Urbano Pilco, Joaquin Alejandro	1717	PER	+27B	+19N	−2B	−3N	=21N	=22B	=8N	3.5	22.5	25.0	10.00	1550	-40.4
13	Mendoza Morales, Mattias Valentino	1819	PER	+18B	−24N	+17B	=9N	−14B	+11N	−21B	3.5	19.5	22.0	11.50	1695	-43.2
14	Diaz Bermudez, Pedro Teofilo	1860	PER	F	F	=15N	+8B	+13N	=7B	=5N	3.5	19.0	19.0	13.25	1855	-0.4
15	Olazo Ricra, Leninka Estefany	1611	PER	−3B	+27N	=14B	−16N	−10B	+28N	=18B	3.0	21.0	21.5	6.25	1487	-28.4
16	Valdez Maravi, Angel Yhadiel	1625	PER	+25N	−4B	−11N	+15B	+23N	−8B	−19B	3.0	20.5	23.0	8.00	1744	+36.0
17	Cisneros Vargas, Gabriel Jesus	1639	PER	=23N	+26B	−13N	−6B	−8N	+27B	=24B	3.0	19.0	21.5	7.50	1629	-6.4
18	Montero Ricra, Kevin Johan	1563	PER	−13N	=25B	+30N	=23B	=20N	−6B	=15N	3.0	18.0	18.0	5.25	1656	+21.6
19	Verde Obregon, Farid Amir	0	PER	F	−12B	−20N	−26B	+30N	+23B	+16N	3.0	14.0	14.0	5.50	1624	0.0
20	Puma Puchoc, Alejandro Apolinar	1637	PER	+9B	−5N	+19B	−1N	=18B	−10N	F	2.5	24.5	27.0	8.50	1634	-5.6
21	Apaza Diaz, Santiago Mauricio	1586	PER	−6N	F	−1B	+27N	=12B	F	+13N	2.5	22.0	22.0	7.75	1741	+30.4
22	Espinoza Torpoco, Sebastian Enrique	1567	PER	−2B	−1N	=26N	+30B	F	=12N	=11B	2.5	21.0	21.0	4.75	1594	+0.8
23	Cardenas Huachaca, Alessandro Jair	1943	PER	=17B	+10N	−5B	=18N	−16B	−19N	=26B	2.5	20.5	23.0	8.25	1587	-103.6
24	Gutarra Minaya, Percy Eduardo	1664	PER	F	+13B	−4N	−25B	−7N	+26B	=17N	2.5	20.0	20.0	7.50	1660	-2.4
25	Ramirez Espino, Gian Sandro	1845	PER	−16B	=18N	+10B	+24N	−9B	F	F	2.5	19.0	21.5	8.00	1704	-35.6
26	Paco Naupa, Marc Raul	1554	PER	=10B	−17N	=22B	+19N	−11B	−24N	=23N	2.5	18.5	21.0	7.50	1509	-21.6
27	Delgado Medina, Lucero Sadye	0	PER	−12N	−15B	+29N	−21B	=28N	−17N	+30B	2.5	12.5	12.5	0.25	825	0.0
28	FIDE 81473192	0	—	−8N	F	−9B	−10N	=27B	−15B	F	0.5	17.5	17.5	1.25	941	0.0
29	FIDE 81477163	0	—	−5B	−9N	−27B	F	F	F	F	0.0	14.0	14.0	0.00	1022	0.0
30	FIDE 81436343	0	—	F	F	−18B	−22N	−19B	F	−27N	0.0	13.5	13.5	0.00	768	0.0
31	Gallet Tapia, Sandro Adrian	1486	PER	−4N	F	F	F	F	F	F	0.0	4.5	4.5	0.00	929	-8.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Sanchez Sanchez, Leonardo DanielPER
+72.4
4.0 pts · #6
2Julca Sosa, Jeanfranco JesusPER
+48.4
4.5 pts · #9
3Rodriguez Chambi, Fabrizio SantiagoPER
+42.0
3.5 pts · #7

Top rating losers

1Cardenas Huachaca, Alessandro JairPER
-103.6
2.5 pts · #14
2Poma Bernal, Cristian AndresPER
-65.6
4.0 pts · #18
3Mendoza Morales, Mattias ValentinoPER
-43.2
3.5 pts · #8

Biggest upsets

R5+318 Elo gap
Valdez Maravi, Angel Yhadiel1625 beat Cardenas Huachaca, Alessandro Jair1943
R1+311 Elo gap
Rodriguez Chambi, Fabrizio Santiago1652 beat Quiroz Alva, Gian Carlo Gabriel1963
R1+288 Elo gap
Puma Puchoc, Alejandro Apolinar1637 beat Poma Bernal, Cristian Andres1925