I SELECTIVO NACIONAL OPEN 2025

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60 players participated in this 9-round tournament, held from 26 Nov 2025 to 30 Nov 2025 in Cuenca, Ecuador. 12 titled players. Top 10 Elo average was 2191, and top seed was Kevin Noboa Silva (🇪🇨 ECU, IM, 2418).

Kevin Noboa Silva (🇪🇨 ECU, IM, 2418) won with 7.5/9, ahead of Christopher Leonel Garzon Zapatanga (7.0) and Matias Israel Guerrero Cajeca (7.0). Noboa Silva shared the lead from round 8 and broke clear in the final round.

The biggest upset came in round 8: Luis Lopez Revelo (1812) beat Jose Mendoza Zambrano (FM, 2197), a +385-point gap.

Location

🇪🇨Cuenca, Ecuador

Dates

26 Nov 2025 → 30 Nov 2025

Time control

Standard: 90 minutes for game with 30 seconds delay from move 1

System

Swiss · 9 rounds

Top seed

🇪🇨IMKevin Noboa Silva2418

Avg top 10

2,191

Participants

Titled players · 12

IM×6

FM×4

CM×2

Federations · 1 represented

🇪🇨Ecuador×52

Top 3

🥇
IMKevin Noboa Silva
🇪🇨ECU·2418
7.5pts·2359perf-3.2
🥈
IMChristopher Leonel Garzon Zapatanga
🇪🇨ECU·2212
7.0pts·2304perf+43.2
🥉
Matias Israel Guerrero Cajeca
🇪🇨ECU·2105
7.0pts·2275perf+78.7

How it unfolded

Top 6 · 9 rounds

IM Kevin Noboa Silva led from R9; +0.5-point edge over the runner-up.

Co-leaders

Noboa Silva7.5Guerrero Cajeca7Garzon Zapatanga7Munoz Sanchez6.5Munoz Sanchez6.5Esmeraldas Huachi6

R9 · LEADER CHANGE30 Nov

IM Kevin Noboa Silva takes the sole lead (7.5/9).

R8 · HEAD-TO-HEAD · WINNER VS 2ND

IM Kevin Noboa Silva beat Matias Israel Guerrero Cajeca (Black).

WIN STREAKS · 3 top finishers

IM Kevin Noboa Silva 3 wins (R7–R9)Matias Israel Guerrero Cajeca 5 wins (R1–R5)IM Christopher Leonel Garzon Zapatanga 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMKevin Noboa Silva	*	1	½	—
2Matias Israel Guerrero Cajeca	0	*	1	½
3IMChristopher Leonel Garzon Zapatanga	½	0	*	—
4IMMiguel Munoz Sanchez	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Noboa Silva, KevinIM	2418	ECU	+46B	+23N	=7B	+15N	=21B	=2N	+40B	+3N	+6B	7.5	45.0	48.0	39.00	2359	-3.2
2	Garzon Zapatanga, Christopher LeonelIM	2212	ECU	+34N	+18B	+6N	−3B	+14N	=1B	+13N	+7B	=11N	7.0	49.0	53.0	39.25	2304	+43.2
3	Guerrero Cajeca, Matias Israel	2105	ECU	+42N	+22B	+41B	+2N	+7B	=17N	+6N	−1B	=5B	7.0	47.0	50.5	37.00	2275	+78.7
4	Munoz Sanchez, JhonFM	2131	ECU	+28B	=8N	−40B	=26N	+35B	+22N	=16B	+17N	+13B	6.5	40.5	44.0	32.50	2058	-4.6
5	Munoz Sanchez, MiguelIM	2174	ECU	+35N	+20B	−14N	+22B	−40N	+48B	+36N	+18B	=3N	6.5	40.0	43.0	30.50	2127	-3.3
6	Pianchiche Acero,Miyamu NilluCM	2094	ECU	+39B	+27N	−2B	+24N	+20B	+21N	−3B	+9B	−1N	6.0	47.0	51.0	29.50	2167	+36.4
7	Zambrano Acebo, Jean CarlosFM	2094	ECU	+49N	+48B	=1N	+13B	−3N	+25B	+17B	−2N	=10B	6.0	46.0	48.5	27.75	2173	+17.2
8	Lopez Revelo, Luis	1812	ECU	+59N	=4B	−9N	+30B	−10N	+28B	+15B	+21N	=12N	6.0	44.0	44.0	25.75	2077	+45.0
9	Santos Flores, AlbertoIM	2175	ECU	+32B	−13N	+8B	+36N	=16B	=19N	+20B	−6N	+23B	6.0	43.5	47.5	30.50	2100	-14.0
10	Esmeraldas Huachi, AndersonFM	2159	ECU	+31B	=40N	−15B	+28N	+8B	=16N	+19B	=11B	=7N	6.0	43.5	47.0	31.00	2084	-11.8
11	Enrique Hernandez, Eddy Ernesto	2204	ECU	+38B	=15N	+24B	=16N	=19B	=40N	+14B	=10N	=2B	6.0	43.5	47.0	30.50	2126	-12.6
12	Carrasco Jacome, Bryan	2099	ECU	+58B	−24N	+35B	=41N	+27B	−13B	+25N	+40N	=8B	6.0	36.0	36.5	21.75	1883	-36.0
13	Wong Pages, Juan	1970	ECU	+30N	+9B	=17B	−7N	+23B	+12N	−2B	+16N	−4N	5.5	47.5	52.0	29.75	2161	+40.6
14	Reinoso, Daniel	2034	ECU	+37B	+53N	+5B	−21N	−2B	+24N	−11N	+22B	=18N	5.5	43.5	46.0	25.25	2073	+7.6
15	Viscaino Yanez, Jhonny CesarCM	2007	ECU	+52N	=11B	+10N	−1B	−25N	+26B	−8N	+30B	+27N	5.5	43.5	46.0	25.00	1950	-9.4
16	Badillo Ramos, Steve	2076	ECU	+54N	=25B	+26N	=11B	=9N	=10B	=4N	−13B	+40B	5.5	42.5	44.5	24.50	2039	-3.2
17	Montano Velasco, Matias Khaleb	2132	ECU	+29N	+36B	=13N	=40B	+34N	=3B	−7N	−4B	+24N	5.5	42.0	45.5	25.00	2013	-39.5
18	Leon Calderon, JonathanIM	2023	ECU	+47B	−2N	+29B	=27N	=41B	+46N	+21B	−5N	=14B	5.5	39.5	42.5	22.25	1962	-6.6
19	Alarcon Vega, Icker Aldair	2025	ECU	+43N	F	+31B	+48B	=11N	=9B	−10N	+34B	=20N	5.5	39.0	42.0	23.75	2064	+24.0
20	Pazos Gambarrotti, PlinioIM	2012	ECU	+57B	−5N	+58N	+44B	−6N	+34B	−9N	+31B	=19B	5.5	37.0	37.5	16.25	1904	-7.3
21	Mendoza Zambrano, JoseFM	2197	ECU	=26N	+46B	+25N	+14B	=1N	−6B	−18N	−8B	+34N	5.0	43.5	46.5	23.00	1995	-38.0
22	Moreno Viteri, Oscar	1950	ECU	+50B	−3N	+37B	−5N	+29B	−4B	+27N	−14N	+38B	5.0	42.5	45.0	19.50	1859	-14.4
23	Saltos Velez, Adrian	2022	ECU	+51N	−1B	+42N	−34B	−13N	+49B	+26N	+35B	−9N	5.0	37.5	40.0	17.00	1824	-31.8
24	Mendoza Montesdeoca, Josue Alejandro	1752	ECU	+44N	+12B	−11N	−6B	+37N	−14B	+32N	=25B	−17B	4.5	42.0	45.5	20.25	1869	+26.8
25	Toala Cardozo, Joseph	1761	ECU	+56B	=16N	−21B	+32N	+15B	−7N	−12B	=24N	=26N	4.5	41.5	43.0	18.75	1870	+34.0
26	Romero Acevedo, Jozef Isaac	1588	ECU	=21B	+38N	−16B	=4B	+33N	−15N	−23B	+37N	=25B	4.5	40.5	44.5	20.50	1807	+56.8
27	Rueda Yovera, Alex Rodrigo	1706	ECU	+55N	−6B	+54N	=18B	−12N	+30B	−22B	+28N	−15B	4.5	39.0	41.0	15.75	1739	+1.2
28	Siguenza Dutan, Victor Andre	1442	ECU	−4N	=30B	+39N	−10B	+52N	−8N	+43B	−27B	+50N	4.5	37.5	40.0	14.75	990	-16.4
29	Duchi Abad, Lennin Damian	1517	ECU	−17B	+45N	−18N	+55B	−22N	+37B	−34N	=33B	+35N	4.5	36.0	38.0	15.75	1553	+0.4
30	Gutama Escandon, Jardel Alexander	0	ECU	−13B	=28N	+47B	−8N	+56B	−27N	+54B	−15N	+42N	4.5	34.5	36.0	12.25	1529	0.0
31	Cordova Feijoo, Andres Vinicio	1527	ECU	−10N	+52B	−19N	+51B	−36B	+54N	+46B	−20N	=41B	4.5	32.5	34.5	11.75	1660	+26.0
32	Pesantez Alvarez, Luis Gabriel	1533	ECU	−9N	+51B	−44N	−25B	+50N	+42B	−24B	=38N	+45N	4.5	32.0	34.5	14.00	1555	0.0
33	Remache Alvarez, Jeffrey Sebastia	0	ECU	−41N	+43B	−48N	+58B	−26B	−51N	+47B	=29N	+49N	4.5	27.0	27.5	11.75	1352	0.0
34	Herrera Vargas, Juan Carlos	1689	ECU	−2B	+47N	+53B	+23N	−17B	−20N	+29B	−19N	−21B	4.0	41.0	43.5	15.00	1819	+13.2
35	Bustos Chaveewong, Kyle	1531	ECU	−5B	+57N	−12N	+43B	−4N	+39B	+41B	−23N	−29B	4.0	39.5	40.5	12.00	1552	-3.6
36	Vargas Sotelo, Victor	1990	ECU	+45B	−17N	+49B	−9B	+31N	+41N	−5B	F	F	4.0	32.0	32.0	14.00	1886	-11.6
37	Arias Moscoso, Josue Alejandro	0	ECU	−14N	+55B	−22N	+42B	−24B	−29N	+58N	−26B	+54N	4.0	31.5	32.0	8.00	1437	0.0
38	Cabrera Guaman, Alan Sebastian	1668	ECU	−11N	−26B	+60N	F	=43B	+56N	+51B	=32B	−22N	4.0	29.5	29.5	8.00	1462	-40.8
39	Alao Pacheco, Jhossue Augusto	0	ECU	−6N	−44B	−28B	+57N	+53B	−35N	+55B	−41N	+47N	4.0	29.0	30.0	8.50	890	0.0
40	Garcia De La Rosa, Daniel Vladimir	1891	ECU	F	=10B	+4N	=17N	+5B	=11B	−1N	−12B	−16N	3.5	49.5	49.5	21.75	2115	+82.4
41	Echeverria Bravo, Juan Sebastian	1723	ECU	+33B	F	−3N	=12B	=18N	−36B	−35N	+39B	=31N	3.5	41.0	45.0	16.50	1686	-9.8
42	Toledo Samaniego, Josue David	1419	ECU	−3B	+50N	−23B	−37N	+47B	−32N	=44B	+53N	−30B	3.5	34.0	36.5	9.75	923	-20.0
43	Astudillo Montalvo, Rodrigo Ernes	0	ECU	−19B	−33N	+50B	−35N	=38N	+58B	−28N	−45B	+56N	3.5	30.0	30.5	6.50	1338	0.0
44	Ramirez Leon, Cristopher Josue	0	ECU	−24B	+39N	+32B	−20N	−46B	F	=42N	−49B	+52N	3.5	30.0	30.0	12.75	1532	0.0
45	Feijoo Tarira, Diego Nicolas	0	ECU	−36N	−29B	−46N	F	+59N	=50B	+56B	+43N	−32B	3.5	23.5	23.5	6.25	882	0.0
46	Camposano Reyes, John Paul	1692	ECU	−1N	−21N	+45B	+49B	+44N	−18B	−31N	F	F	3.0	32.0	32.0	9.50	1133	-40.0
47	Calle Barros, Gabriel Eduardo	0	ECU	−18N	−34B	−30N	+59B	−42N	+52B	−33N	+55N	−39B	3.0	30.5	30.5	4.50	910	0.0
48	Ruiz Guanga, Lucas Mathias	1873	ECU	+60B	−7N	+33B	−19N	+54B	−5N	F	F	F	3.0	24.5	24.5	6.50	1297	-26.8
49	FIDE 3666735	0	—	−7B	F	−36N	−46N	+55B	−23N	=53B	+44N	−33B	2.5	30.5	30.5	6.75	1149	0.0
50	FIDE 3667243	0	—	−22N	−42B	−43N	F	−32B	=45N	+52B	+51N	−28B	2.5	29.5	29.5	6.75	781	0.0
51	Criollo Campoverde, Isaac Gabriel	0	ECU	−23B	−32N	+59B	−31N	=58N	+33B	−38N	−50B	−53B	2.5	28.0	28.0	4.75	886	0.0
52	FIDE 3666506	0	—	−15B	−31N	=56B	+53N	−28B	−47N	−50N	+58B	−44B	2.5	27.5	28.0	3.75	852	0.0
53	FIDE 3651762	0	—	F	−14B	−34N	−52B	−39N	+57B	=49N	−42B	+51N	2.5	25.5	25.5	4.75	914	0.0
54	FIDE 3651231	0	—	−16B	+56N	−27B	F	−48N	−31B	−30N	+57N	−37B	2.0	31.5	32.5	2.50	995	0.0
55	Rogel Ramon, Renato Rafael	0	ECU	−27B	−37N	+57B	−29N	−49N	+59B	−39N	−47B	F	2.0	23.5	23.5	1.00	810	0.0
56	FIDE 3674363	0	—	−25N	−54B	=52N	+60B	−30N	−38B	−45N	F	−43B	1.5	24.5	24.5	1.25	910	0.0
57	Espinoza Idrovo, Arnaldo Mateo	0	ECU	−20N	−35B	−55N	−39B	F	−53N	F	−54B	+60N	1.0	20.0	20.0	0.00	970	0.0
58	FIDE 3672840	0	—	−12N	F	−20B	−33N	=51B	−43N	−37B	−52N	F	0.5	28.5	28.5	1.25	1256	0.0
59	Maza Salazar, Daniel Ivan	0	ECU	−8B	F	−51N	−47N	−45B	−55N	F	F	F	0.0	18.0	18.0	0.00	1012	0.0
60	FIDE 3659615	0	—	−48N	F	−38B	−56N	F	F	F	F	−57B	0.0	14.0	14.0	0.00	968	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Garcia De La Rosa, Daniel VladimirECU
+82.4
3.5 pts · #19
2Guerrero Cajeca, Matias IsraelECU
+78.7
7.0 pts · #2
3Romero Acevedo, Jozef IsaacECU
+56.8
4.5 pts · #26

Top rating losers

1Cabrera Guaman, Alan SebastianECU
-40.8
4.0 pts · #41
2Camposano Reyes, John PaulECU
-40.0
3.0 pts · #52
3Montano Velasco, Matias KhalebECU
-39.5
5.5 pts · #9

Biggest upsets

R8+385 Elo gap
Lopez Revelo, Luis1812 beat FMMendoza Zambrano, Jose2197
R2+347 Elo gap
Mendoza Montesdeoca, Josue Alejandro1752 beat Carrasco Jacome, Bryan2099
R4+333 Elo gap
Herrera Vargas, Juan Carlos1689 beat Saltos Velez, Adrian2022