Campeonato Regional impar sur Ilo 2025 - sub 15 absoluto

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30 players participated in this 7-round tournament, held from 15 May 2025 to 18 May 2025 in Ilo, Peru. Top 10 Elo average was 1679, and top seed was Alvaro Rodrigo Rosas llamocca (🇵🇪 PER, 1978).

Mathias Fernando Mendoza Huanchi (🇵🇪 PER, 1820) won with 6.5/7, ahead of Yoshua Marcelo Vasquez Florez (5.5) and Jose Carlos Fuentes Olarte (5.0). Mendoza Huanchi won solo starting round 4.

The biggest upset came in round 2: David Daniel Morales Carbajal (1552) beat Alvaro Rodrigo Rosas llamocca (1978), a +426-point gap.

Location

🇵🇪Ilo, Peru

Dates

15 May 2025 → 18 May 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇪Alvaro Rodrigo Rosas llamocca1978

Avg top 10

1,679

Participants

Federations · 1 represented

🇵🇪Peru×30

Top 3

🥇
Mathias Fernando Mendoza Huanchi
🇵🇪PER·1820
6.5pts·2102perf+72.4
🥈
Yoshua Marcelo Vasquez Florez
🇵🇪PER·1740
5.5pts·1826perf+28.4
🥉
Jose Carlos Fuentes Olarte
🇵🇪PER·1582
5.0pts·1728perf+42.8

How it unfolded

Top 6 · 7 rounds

Mathias Fernando Mendoza Huanchi led from R4; +1.0-point edge over the runner-up.

Co-leaders

Mendoza Huanchi6.5Vasquez Florez5.5Zambrano Mara5Fuentes Olarte5Rosas llamocca4.5Chavez Rivera4.5

R4–R7 · LEAD HELD

Mathias Fernando Mendoza Huanchi never relinquished the lead after R4; final gap +1.0 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Mathias Fernando Mendoza Huanchi drew with Yoshua Marcelo Vasquez Florez (Black).

WIN STREAKS · 2 top finishers

Mathias Fernando Mendoza Huanchi 6 wins (R1–R6)Yoshua Marcelo Vasquez Florez 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mathias Fernando Mendoza Huanchi	*	½	1	1
2Yoshua Marcelo Vasquez Florez	½	*	0	1
3Percy Rodrigo Zambrano Mara	0	1	*	—
4Jose Carlos Fuentes Olarte	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mendoza Huanchi, Mathias Fernando	1820	PER	+17N	+5B	+3N	+13B	+4N	+6B	=2N	6.5	28.0	31.0	28.25	2102	+72.4
2	Vasquez Florez, Yoshua Marcelo	1740	PER	+28N	+9B	+25N	−4B	+3N	+13B	=1B	5.5	26.0	27.0	18.75	1826	+28.4
3	Fuentes Olarte, Jose Carlos	1582	PER	+29B	+7N	−1B	+9N	−2B	+11N	+5N	5.0	29.0	30.0	18.00	1728	+42.8
4	Zambrano Mara, Percy Rodrigo	1752	PER	+11B	+14N	=16B	+2N	−1B	=7N	+15B	5.0	27.5	30.5	20.25	1754	+5.6
5	Montesinos Parisaca, Yuan Wari	1535	PER	+10B	−1N	+29B	+25N	=8B	+16N	−3B	4.5	25.0	26.0	12.25	1558	-2.0
6	Rosas llamocca, Alvaro Rodrigo	1978	PER	+27B	−18N	+11B	+16N	+14B	−1N	=7B	4.5	24.5	26.5	14.75	1714	-62.3
7	Chavez Rivera, Dominic Gabriel	1510	PER	+26N	−3B	+22N	+18B	=13N	=4B	=6N	4.5	23.5	25.5	14.00	1696	+42.0
8	Durand Hinojosa, Anghelo Justho	1595	PER	−25N	+20B	=15N	+28B	=5N	=10B	+23N	4.5	19.5	20.5	12.50	1633	+6.4
9	Ajahuana Medina, Darien Giambert	1517	PER	+30B	−2N	+21B	−3B	−10N	+20N	+19B	4.0	23.5	24.5	10.00	1493	-4.4
10	Moran Reymer, Benjamin Romulo Antonio	0	PER	−5N	+17B	+19B	−14N	+9B	=8N	=16B	4.0	22.5	25.5	13.75	1562	0.0
11	Zenteno Guzman, Gabriel Ezzio	1471	PER	−4N	+23B	−6N	+26B	+22N	−3B	+17N	4.0	22.5	24.5	10.00	1481	-1.6
12	Baylon Rosado, Sthalin Manuel	1415	PER	−13N	−22B	−26N	+27N	+21B	+25B	+24N	4.0	15.5	17.5	9.50	1580	+12.8
13	Duran Alarcon, Hernan Gabriel	1658	PER	+12B	+19N	+18B	−1N	=7B	−2N	−14B	3.5	27.0	30.0	12.25	1594	-25.2
14	Naventa Mamani, Leo Gabriel Levi	1542	PER	+23N	−4B	F	+10B	−6N	=15B	+13N	3.5	23.0	24.0	11.75	1631	+12.4
15	Salas Sanchez, Jireh Sebastian	1504	PER	+21B	−16N	=8B	=19N	+25B	=14N	−4N	3.5	22.0	24.0	10.50	1449	-17.6
16	Condori Ccahuaya, Juan Pablo	1575	PER	+24N	+15B	=4N	−6B	F	−5B	=10N	3.0	24.5	27.0	10.50	1612	+1.2
17	Coaquira Vilca, Breyner Leonel	1486	PER	−1B	−10N	=23B	+21N	=19B	+30N	−11B	3.0	23.0	24.0	6.75	1331	-24.0
18	Morales Carbajal, David Daniel	1552	PER	+20B	+6B	−13N	−7N	F	−23B	+26N	3.0	21.0	23.0	9.50	1587	+0.8
19	Loayza Sarabia, Mauricio Tigran	1525	PER	+22N	−13B	−10N	=15B	=17N	+26B	−9N	3.0	20.5	22.5	7.75	1351	-36.0
20	Huacca Condori, Styp Jordan	0	PER	−18N	−8N	+27B	+24B	−23N	−9B	+22N	3.0	19.0	21.0	7.00	1347	0.0
21	Ramos Sanchez, Reynol Mathias	0	PER	−15N	+24B	−9N	−17B	−12N	+28B	+25N	3.0	19.0	20.0	5.50	1246	0.0
22	Pareja Mercado, Aled Jose	0	PER	−19B	+12N	−7B	+29N	−11B	=24N	−20B	2.5	21.0	22.0	6.25	1299	0.0
23	Jalixto Sanchez, Matheo Fabricio	0	PER	−14B	−11N	=17N	F	+20B	+18N	−8B	2.5	21.0	21.0	7.50	1380	0.0
24	Hanari Parizaca, Jhon Sebastian	0	PER	−16B	−21N	+30B	−20N	+28N	=22B	−12B	2.5	16.5	17.5	3.25	1372	0.0
25	Bulejes Zavala, Andre Nicolas	0	PER	+8B	+27N	−2B	−5B	−15N	−12N	−21B	2.0	25.0	27.0	6.50	1434	0.0
26	Quispe Cuadros, Nyls Sven	0	PER	−7B	−29N	+12B	−11N	+?B	−19N	−18B	2.0	19.5	19.5	4.00	1264	0.0
27	Neyra Quispe, Victor Samin	1495	PER	−6N	−25B	−20N	−12B	F	+29N	+30B	2.0	15.5	15.5	2.00	877	-25.6
28	Acero Atencio, Yerik Salen	1468	PER	−2B	+30N	F	−8N	−24B	−21N	F	1.0	20.0	20.0	1.00	866	-19.2
29	Duenas Mamani, Luis Gustavo	0	PER	−3N	+26B	−5N	−22B	−30N	−27B	F	1.0	17.0	17.0	2.00	748	0.0
30	Provincia Taza, Jharol Alejandro	0	PER	−9N	−28B	−24N	F	+29B	−17B	−27N	1.0	13.5	13.5	1.00	690	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mendoza Huanchi, Mathias FernandoPER
+72.4
6.5 pts · #1
2Fuentes Olarte, Jose CarlosPER
+42.8
5.0 pts · #6
3Chavez Rivera, Dominic GabrielPER
+42.0
4.5 pts · #8

Top rating losers

1Rosas llamocca, Alvaro RodrigoPER
-62.3
4.5 pts · #3
2Loayza Sarabia, Mauricio TigranPER
-36.0
3.0 pts · #25
3Neyra Quispe, Victor SaminPER
-25.6
2.0 pts · #29

Biggest upsets

R2+426 Elo gap
Morales Carbajal, David Daniel1552 beat Rosas llamocca, Alvaro Rodrigo1978
R6+158 Elo gap
Mendoza Huanchi, Mathias Fernando1820 beat Rosas llamocca, Alvaro Rodrigo1978
R7+116 Elo gap
Naventa Mamani, Leo Gabriel Levi1542 beat Duran Alarcon, Hernan Gabriel1658