SUB 16 ABSOLUTO - CAMPEONATO REGIONAL JUVENIL SUR AREQUIPA 2026

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34 players participated in this 7-round tournament, held from 11 Jun 2026 to 14 Jun 2026 in Arequipa, Peru. Top 10 Elo average was 1779, and top seed was David Leonardo Chile Vela (🇵🇪 PER, 1910).

Keops Banda Chahuara (🇵🇪 PER, 1876) won with 6.0/7, ahead of Alvaro Rodrigo Rosas llamocca (6.0) and Jose Carlos Fuentes Olarte (5.5). Banda Chahuara shared the lead from round 6, winning on tie-break.

The biggest upset came in round 1: Darien Giambert Ajahuana Medina (1466) beat Rafael Leonardo Moscoso Paredes (1752), a +286-point gap.

Location

🇵🇪Arequipa, Peru

Dates

11 Jun 2026 → 14 Jun 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇪David Leonardo Chile Vela1910

Avg top 10

1,779

Participants

Federations · 1 represented

🇵🇪Peru×30

Top 3

🥇
Keops Banda Chahuara
🇵🇪PER·1876
6.0pts·2056perf+54.0
🥈
Alvaro Rodrigo Rosas llamocca
🇵🇪PER·1826
6.0pts·2041perf+67.6
🥉
Jose Carlos Fuentes Olarte
🇵🇪PER·1776
5.5pts·1946perf+59.2

How it unfolded

Top 6 · 7 rounds

Tight race until R4; 2 players tied at 6.0/7, decided on Buchholz.

Co-leaders

Rosas llamocca6Banda Chahuara6Fuentes Olarte5.5Zambrano Mara5Montesinos Parisaca5Nunez Justiniani5

R5 · LEADER CHANGE13 Jun

David Leonardo Chile Vela takes the sole lead (4.5/5).

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Banda Chahuara takes the title on Buchholz Cut1 (28.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Alvaro Rodrigo Rosas llamocca beat Keops Banda Chahuara (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Alvaro Rodrigo Rosas llamocca	*	1	—	1
2Keops Banda Chahuara	0	*	1	1
3Jose Carlos Fuentes Olarte	—	0	*	—
4Percy Rodrigo Zambrano Mara	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Banda Chahuara, Keops	1876	PER	+26B	+15N	+3B	−2N	+11B	+8B	+4N	6.0	28.0	30.0	24.00	2056	+54.0
2	Rosas llamocca, Alvaro Rodrigo	1826	PER	+19N	+31B	+4N	+1B	−8N	+5B	+7N	6.0	28.0	29.0	24.50	2041	+67.6
3	Fuentes Olarte, Jose Carlos	1776	PER	+24N	+17B	−1N	+6B	+9N	=7B	+8N	5.5	27.0	29.0	20.75	1946	+59.2
4	Zambrano Mara, Percy Rodrigo	1762	PER	+23B	+25N	−2B	+14N	+10B	+11N	−1B	5.0	26.0	28.0	16.00	1853	+37.2
5	Nunez Justiniani, Forlan	1599	PER	=12N	+29B	=9N	+16B	+28B	−2N	+10B	5.0	22.5	23.5	13.50	1849	+67.2
6	Montesinos Parisaca, Yuan Wari	1647	PER	+30N	−7B	+21N	−3N	+20B	+17B	+15N	5.0	21.5	22.5	12.50	1746	+32.0
7	Duran Alarcon, Hernan Gabriel	1795	PER	+13B	+6N	+10B	−8N	+15B	=3N	−2B	4.5	29.0	32.0	18.75	1821	+12.8
8	Chile Vela, David Leonardo	1910	PER	+29N	=9B	+16N	+7B	+2B	−1N	−3B	4.5	29.0	30.0	16.50	1853	-16.8
9	Hallasi Penaloza, Nicolas Jair	1684	PER	+22B	=8N	=5B	+13N	−3B	−12N	+20B	4.0	26.0	28.5	14.25	1735	+18.4
10	Condori Ramirez, Dilan Smit	1691	PER	+18N	+21B	−7N	+22B	−4N	+19B	−5N	4.0	23.0	25.5	11.00	1621	-21.6
11	Moscoso Paredes, Rafael Leonardo	1752	PER	−21N	+12B	+24N	+17B	−1N	−4B	+23N	4.0	22.5	24.5	11.00	1613	-40.4
12	FIDE 81479263	0	—	=5B	−11N	=20B	+23N	F	+9B	+21N	4.0	20.5	21.5	12.50	1610	0.0
13	Zenteno Guzman, Gabriel Ezzio	1522	PER	−7N	+30B	+31N	−9B	=22N	=18B	+19N	4.0	18.0	19.0	7.75	1585	+18.4
14	Chavez Rivera, Dominic Gabriel	1601	PER	+28N	−16B	+32N	−4B	=18N	=22B	+24N	4.0	17.0	18.0	7.25	1496	-28.4
15	Castro Machicado, Yheen Piero	1659	PER	+32N	−1B	+23N	+18B	−7N	F	−6B	3.0	23.5	24.5	6.00	1575	-23.2
16	Suarez Ccori, Edy Eisten	1717	PER	+20B	+14N	−8B	−5N	+24B	F	F	3.0	22.5	24.5	9.00	1686	-6.4
17	Quispe Ima, Edson Snayder	1584	PER	+33B	−3N	+27B	−11N	=21B	−6N	=22N	3.0	21.5	22.5	5.50	1370	-53.2
18	Huacca Condori, Styp Jordan	1441	PER	−10B	+33N	+25B	−15N	=14B	=13N	F	3.0	20.0	21.0	7.00	1551	+26.8
19	Nava Cahuana, Rico Sheng Ling	1528	PER	−2B	−22N	+33B	+27N	+32B	−10N	−13B	3.0	19.5	20.5	4.00	812	-64.0
20	Salas Sanchez, Jireh Sebastian	1447	PER	−16N	=28B	=12N	+29B	−6N	+30B	−9N	3.0	18.5	19.5	4.75	1465	+2.8
21	Ajahuana Medina, Darien Giambert	1466	PER	+11B	−10N	−6B	F	=17N	+28B	−12B	2.5	22.0	23.5	7.00	1582	+20.8
22	Coaquira Vilca, Breyner Leonel	1407	PER	−9N	+19B	F	−10N	=13B	=14N	=17B	2.5	22.0	22.0	8.50	1545	+38.8
23	Hurtado Alegria, Augusto Juanthiago	1474	PER	−4N	F	−15B	−12B	+25N	+27N	−11B	2.0	20.0	20.0	4.00	1511	+5.2
24	Castillo Ccoscco, Jhon Ernesto	1513	PER	−3B	+34N	−11B	+30N	−16N	F	−14B	2.0	18.5	18.5	1.00	912	-40.0
25	Arosquipa Carlos, Gerardo Leonel	1644	PER	F	−4B	−18N	F	−23B	+26B	+28N	2.0	16.0	16.0	3.50	1363	-58.4
26	Hanari Parizaca, Jhon Sebastian	1545	PER	−1N	−32B	−28N	+33B	−30B	−25N	+29N	2.0	12.5	13.5	2.00	1576	+2.8
27	Gomez Ordonez, Andree Jhordan	0	PER	F	F	−17N	−19B	+29N	−23B	+33N	2.0	10.0	10.0	2.00	1349	0.0
28	Zarate Paccotico, Deyvis Benildo	0	PER	−14B	=20N	+26B	F	−5N	−21N	−25B	1.5	18.5	19.5	3.50	1357	0.0
29	Velasquez Casas, Royer Gonzalo	1583	PER	−8B	−5N	+34B	−20N	−27B	−33N	−26B	1.0	17.5	17.5	0.00	825	-73.6
30	Jaspe Vargas, Juan Carlos Jose	0	PER	−6B	−13N	F	−24B	+26N	−20N	F	1.0	17.0	17.0	2.00	1295	0.0
31	Moran Reymer, Benjamin Romulo Antonio	1653	PER	+34B	−2N	−13B	F	F	F	F	1.0	15.5	15.5	0.00	874	-38.0
32	FIDE 81491468	0	—	−15B	+26N	−14B	F	−19N	F	F	1.0	15.0	15.0	2.00	1390	0.0
33	FIDE 81494262	0	—	−17N	−18B	−19N	−26N	F	+29B	−27B	1.0	14.0	14.0	1.00	1296	0.0
34	FIDE 81489200	0	—	−31N	−24B	−29N	F	F	F	F	0.0	6.0	6.0	0.00	783	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Rosas llamocca, Alvaro RodrigoPER
+67.6
6.0 pts · #1
2Nunez Justiniani, ForlanPER
+67.2
5.0 pts · #11
3Fuentes Olarte, Jose CarlosPER
+59.2
5.5 pts · #3

Top rating losers

1Velasquez Casas, Royer GonzaloPER
-73.6
1.0 pts · #30
2Nava Cahuana, Rico Sheng LingPER
-64.0
3.0 pts · #31
3Arosquipa Carlos, Gerardo LeonelPER
-58.4
2.0 pts · #22

Biggest upsets

R1+286 Elo gap
Ajahuana Medina, Darien Giambert1466 beat Moscoso Paredes, Rafael Leonardo1752
R3+203 Elo gap
Huacca Condori, Styp Jordan1441 beat Arosquipa Carlos, Gerardo Leonel1644
R5+170 Elo gap
Hurtado Alegria, Augusto Juanthiago1474 beat Arosquipa Carlos, Gerardo Leonel1644