I TORNEO REGIONAL DE AJEDREZ ABIERTO

Open SwissStandard

34 players participated in this 6-round tournament, held on 28 Mar 2026 in Riobamba, Ecuador. Top 10 Elo average was 1604, and top seed was Patricio Gabriel Reyes Soto (🇪🇨 ECU, 1766).

Patricio Gabriel Reyes Soto (🇪🇨 ECU, 1766) won with 5.5/6, ahead of Nicklas Fernand Viteri Saeteros (5.0) and Sofia Alejandra Rosero Monar (4.5). Reyes Soto broke clear in the final round.

The biggest upset came in round 6: Alejandra De La Cruz Moreno (1422) beat Samuel Alejandro Jaya Abarca (1555), a +133-point gap.

Location

🇪🇨Riobamba, Ecuador

Dates

28 Mar 2026

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇪🇨Patricio Gabriel Reyes Soto1766

Avg top 10

1,604

Participants

Federations · 1 represented

🇪🇨Ecuador×26

Top 3

🥇
Patricio Gabriel Reyes Soto
🇪🇨ECU·1766
5.5pts·1939perf+32.0
🥈
Nicklas Fernand Viteri Saeteros
🇪🇨ECU·1748
5.0pts·1830perf+20.8
🥉
Sofia Alejandra Rosero Monar
🇪🇨ECU·1482
4.5pts·1699perf+33.6

How it unfolded

Top 6 · 6 rounds

Patricio Gabriel Reyes Soto led from R6; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R6.

Co-leaders

Reyes Soto5.5Viteri Saeteros5Viteri Saeteros4.5De La Cruz Moreno4.5Rosero Monar4.5Cevallos Mendoza4

R6–R6 · LEAD HELD

Patricio Gabriel Reyes Soto held the sole lead from R6 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Patricio Gabriel Reyes Soto drew with Nicklas Fernand Viteri Saeteros (Black).

WIN STREAKS · 2 top finishers

Patricio Gabriel Reyes Soto 3 wins (R1–R3)Nicklas Fernand Viteri Saeteros 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Patricio Gabriel Reyes Soto	*	½	—	—
2Nicklas Fernand Viteri Saeteros	½	*	1	—
3Thiago Martino Viteri Saeteros	—	0	*	1
4Alejandra De La Cruz Moreno	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Reyes Soto, Patricio Gabriel	1766	ECU	+16B	+3N	+7B	=2N	+11B	+6N	5.5	21.0	24.0	21.50	1939	+32.0
2	Viteri Saeteros, Nicklas Fernand	1748	ECU	+33N	+13B	+12N	=1B	+4N	=3B	5.0	21.5	22.5	17.50	1830	+20.8
3	Rosero Monar, Sofia Alejandra	1482	ECU	+17N	−1B	+15N	+14B	+10B	=2N	4.5	20.5	23.5	15.50	1699	+33.6
4	Viteri Saeteros, Thiago Martino	1643	ECU	+31B	+5N	=11B	+9N	−2B	+12N	4.5	20.5	21.5	14.75	1729	+14.8
5	De La Cruz Moreno, Alejandra	1422	ECU	+19N	−4B	+27N	=12B	+22N	+11N	4.5	16.5	18.5	12.25	1651	+48.4
6	Oviedo Hidalgo, Jose Ignacio	1482	ECU	+26B	+21N	+9B	−11N	+7B	−1B	4.0	19.5	21.5	12.50	1638	+31.6
7	Daquilema Zarate, Allan Fausto	1609	ECU	+8B	+30N	−1N	+23B	−6N	+17N	4.0	18.5	20.0	10.50	1521	-18.4
8	Cevallos Mendoza, Gonzalo Emilian	0	ECU	−7N	+19B	+13N	+22B	−12N	+18B	4.0	17.0	19.0	11.50	1578	+46.0
9	Vera Pilco, Jose David	1611	ECU	+34N	+23B	−6N	−4B	+14N	+16N	4.0	16.5	16.5	8.00	1404	-34.4
10	Charco Macias, Aranza Valentina	1583	ECU	−14N	+25B	+24N	+17B	−3N	+15N	4.0	15.5	17.5	10.00	669	-26.0
11	Jaya Abarca, Samuel Alejandro	1555	ECU	+24N	+15B	=4N	+6B	−1N	−5B	3.5	21.5	23.5	11.25	1501	-13.6
12	Miranda Chavez, Adrian Sebastian	1560	ECU	+32B	+14N	−2B	=5N	+8B	−4B	3.5	21.0	22.0	10.25	1477	-19.6
13	Ortiz Cedeno, Blanca Esthela	1473	ECU	+20B	−2N	−8B	=21N	+29B	+23N	3.5	16.5	18.0	7.75	1401	-13.2
14	Diaz Gallegos, Mateo Ezequiel	0	ECU	+10B	−12B	+18N	−3N	−9B	+26N	3.0	19.0	21.0	9.00	1466	0.0
15	Paredes Cordero, Jose Adrian	0	ECU	+18B	−11N	−3B	+32N	+25N	−10B	3.0	17.0	18.0	6.00	1323	0.0
16	Arboleda Guaman, Axel Rafael	0	ECU	−1N	−24B	+29B	+20N	+27N	−9B	3.0	16.5	18.0	6.50	894	0.0
17	Mayaguari Tacuri, Francisco Nicol	0	ECU	−3B	+31N	+30B	−10N	+23N	−7B	3.0	16.0	17.0	4.50	1327	0.0
18	Alvarado Barahona, Jhosue	1456	ECU	−15N	+29N	−14B	+19B	+24N	−8N	3.0	15.0	16.5	6.50	608	-22.8
19	Quinllay Salazar, Lenin Mathias	0	ECU	−5B	−8N	+31B	−18N	+32B	+22B	3.0	14.5	15.5	4.00	1236	0.0
20	FIDE 3668002	0	—	−13N	+33B	−22N	−16B	+31B	+24N	3.0	11.5	12.5	4.00	653	0.0
21	Plaza Moreta, Belen Elizabeth	0	ECU	+22N	−6B	−23N	=13B	+30B	F	2.5	13.5	15.0	5.25	1366	0.0
22	Cevallos Mendoza, Daniel Esteban	1429	ECU	−21B	+26N	+20B	−8N	−5B	−19N	2.0	17.0	19.0	5.00	614	-42.0
23	Montenegro Pino, Francisca Salome	1419	ECU	+28B	−9N	+21B	−7N	−17B	−13B	2.0	17.0	19.0	4.50	767	-37.2
24	Gualavisi Abarca, Juan Pablo	0	ECU	−11B	+16N	−10B	+28N	−18B	−20B	2.0	16.5	18.5	5.00	731	0.0
25	FIDE 3675351	0	—	=29B	−10N	+28B	=30N	−15B	F	2.0	13.0	14.5	3.50	782	0.0
26	FIDE 3655466	0	—	−6N	−22B	+34N	−27B	+28N	−14B	2.0	13.0	13.0	2.00	658	0.0
27	Torres Arevalo, Danna	0	ECU	−30B	+32N	−5B	+26N	−16B	F	2.0	12.5	13.5	3.00	619	0.0
28	Silva Garzon, Anderson Josue	0	ECU	−23N	+34B	−25N	−24B	−26B	+32N	2.0	9.0	9.0	1.00	622	0.0
29	FIDE 3660826	0	—	=25N	−18B	−16N	+33B	−13N	F	1.5	13.5	14.5	2.00	666	0.0
30	FIDE 3669203	0	—	+27N	−7B	−17N	=25B	−21N	F	1.5	13.5	13.5	3.00	808	0.0
31	FIDE 3676501	0	—	−4N	−17B	−19N	+34B	−20N	−33B	1.0	14.5	14.5	0.00	879	0.0
32	Garcia Solorzano, Akemi Dayana	0	ECU	−12N	−27B	+33N	−15B	−19N	−28B	1.0	13.5	14.5	1.00	760	0.0
33	FIDE 3676498	0	—	−2B	−20N	−32B	−29N	F	+31N	1.0	11.5	11.5	1.00	948	0.0
34	FIDE 3676510	0	—	−9B	−28N	−26B	−31N	F	F	0.0	10.5	11.5	0.00	820	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1De La Cruz Moreno, AlejandraECU
+48.4
4.5 pts · #5
2Cevallos Mendoza, Gonzalo EmilianECU
+46.0
4.0 pts · #4
3Rosero Monar, Sofia AlejandraECU
+33.6
4.5 pts · #10

Top rating losers

1Cevallos Mendoza, Daniel EstebanECU
-42.0
2.0 pts · #26
2Montenegro Pino, Francisca SalomeECU
-37.2
2.0 pts · #33
3Vera Pilco, Jose DavidECU
-34.4
4.0 pts · #13

Biggest upsets

R6+133 Elo gap
De La Cruz Moreno, Alejandra1422 beat Jaya Abarca, Samuel Alejandro1555
R3+129 Elo gap
Oviedo Hidalgo, Jose Ignacio1482 beat Vera Pilco, Jose David1611
R5+127 Elo gap
Oviedo Hidalgo, Jose Ignacio1482 beat Daquilema Zarate, Allan Fausto1609