V OPEN IRT CENTRAL CHESS CLUB U1800 STANDARD

Open SwissStandard

33 players participated in this 7-round tournament, held from 11 Apr 2026 to 12 Apr 2026 in Cuenca, Ecuador. 3 federations represented. Top 10 Elo average was 1740, and top seed was Alex Rodrigo Rueda Yovera (🇪🇨 ECU, 1770).

Alexander Hiroki Flores Medina (🇪🇨 ECU, 1724) won with 5.0/7, ahead of Stefanny Illares Chumbi (5.0) and Paute Arizaga Angel Samuel (4.5). Flores Medina took the lead from round 6, winning on tie-break.

The biggest upset came in round 2: Abdon Nicolas Arcos Rodriguez (1441) beat Kleber Car Lliguichuzhca Quizhpi (1738), a +297-point gap.

Location

🇪🇨Cuenca, Ecuador

Dates

11 Apr 2026 → 12 Apr 2026

Time control

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

System

Swiss · 7 rounds

Top seed

🇪🇨Alex Rodrigo Rueda Yovera1770

Avg top 10

1,740

Participants

Federations · 3 represented

🇪🇨Ecuador×26

FIDE (no federation)×1

🇺🇸United States of America×1

Top 3

🥇
Alexander Hiroki Flores Medina
🇪🇨ECU·1724
5.0pts·1820perf+20.0
🥈
Stefanny Illares Chumbi
🇪🇨ECU·1613
5.0pts·1752perf+20.2
🥉
Paute Arizaga Angel Samuel
🇪🇨ECU·1746
4.5pts·1739perf-0.2

How it unfolded

Top 6 · 7 rounds

Tight race until R6; 2 players tied at 5.0/7, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.

Co-leaders

Flores Medina5Illares Chumbi5Samuel4.5Quinde Corte4.5Rueda Yovera4.5Camposano Reyes4.5— ex-leaders:Valverde Suarezled R5, #9

R6 · LEADER CHANGE12 Apr

Alexander Hiroki Flores Medina takes the sole lead (5.0/6).

R7 · TIEBREAK CLUSTER

2 players finish on 5.0/7. Flores Medina takes the title on Buchholz Cut1 (25.5).

WIN STREAKS · 3 top finishers

Alexander Hiroki Flores Medina 3 wins (R2–R4)Stefanny Illares Chumbi 3 wins (R5–R7)Paute Arizaga Angel Samuel 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Alexander Hiroki Flores Medina	*	—	—	½
2Stefanny Illares Chumbi	—	*	0	—
3Paute Arizaga Angel Samuel	—	1	*	½
4Christian Josue Quinde Corte	½	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Flores Medina, Alexander Hiroki	1724	ECU	=14B	+23N	+10B	+9N	=5B	+4N	−6N	5.0	25.5	27.5	18.75	1820	+20.0
2	Illares Chumbi, Stefanny	1613	ECU	+22N	−3B	+20N	−11B	+15N	+17B	+10B	5.0	23.0	25.5	17.00	1752	+20.2
3	Paute Arizaga Angel Samuel	1746	ECU	+13B	+2N	+8B	=5N	−4B	=12N	=7B	4.5	27.0	31.0	20.00	1739	-0.2
4	Valverde Suarez, Aaron Josue	1720	ECU	+21B	+12N	=9B	+16N	+3N	−1B	−8N	4.5	26.0	29.0	17.50	1765	+13.6
5	Quinde Corte, Christian Josue	1759	ECU	+18N	+28B	+11N	=3B	=1N	=6B	−16N	4.5	25.0	27.0	16.00	1804	+9.8
6	Rueda Yovera, Alex Rodrigo	1770	ECU	F	−10N	+14B	+19N	+7B	=5N	+1B	4.5	25.0	25.0	18.75	1834	+20.4
7	Camposano Reyes, John Paul	1603	ECU	+33B	−9N	+13B	+10N	−6N	+11B	=3N	4.5	25.0	25.0	14.25	1754	+50.8
8	Romero Saker, Jairo Emilio	1720	ECU	+30N	+27B	−3N	F	=12B	+9N	+4B	4.5	21.0	22.5	14.00	1789	+14.4
9	Romero Acevedo, Jozef Isaac	1739	ECU	+25N	+7B	=4N	−1B	+11N	−8B	=13N	4.0	26.5	28.5	14.75	1689	-16.4
10	Bustos Chaveewong, Kyle	1704	ECU	+15N	+6B	−1N	−7B	+18N	+24B	−2N	4.0	26.0	28.0	13.50	1617	-27.6
11	Herrera Vargas, Juan Carlos	1725	ECU	+20N	+24B	−5B	+2N	−9B	−7N	+25B	4.0	23.0	25.0	12.00	1648	-12.6
12	GUEVARA PEREZ, YOJAN	1558	FID	+27N	−4B	+22N	+17B	=8N	=3B	F	4.0	21.5	21.5	12.50	1734	+37.6
13	Pesantez Alvarez, Luis Gabriel	1491	ECU	−3N	+15B	−7N	=22B	+32N	+26B	=9B	4.0	21.5	21.5	9.25	1563	+6.2
14	Arcos Rodriguez, Abdon Nicolas	1441	ECU	=1N	+17B	−6N	=24B	−19B	+23N	+26N	4.0	20.0	22.0	11.00	1641	+58.4
15	Alao Pacheco, Jhossue Augusto	0	ECU	−10B	−13N	+31B	+23N	−2B	+30N	+24N	4.0	18.5	18.5	5.50	1488	0.0
16	Buestan Brito, Anaela	1760	ECU	F	F	+18N	−4B	+20N	+19B	+5B	4.0	18.0	18.0	13.50	1856	+12.4
17	Lliguichuzhca Quizhpi, Kleber Car	1738	ECU	=23B	−14N	+26B	−12N	+29B	−2N	+22B	3.5	19.5	21.0	7.00	1200	-103.2
18	Flores Medina, Oscar	1494	ECU	−5B	+31N	−16B	+29N	−10B	+21N	−19N	3.0	20.0	20.0	4.50	910	-36.8
19	Zhingri Dutan, Mabel Carolina	1616	ECU	F	F	+25N	−6B	+14N	−16N	+18B	3.0	17.5	17.5	9.00	1663	+6.6
20	Ordonez Velecela, Stalin David	1485	ECU	−11B	+33N	−2B	+32N	−16B	−25N	+23B	3.0	17.0	17.0	2.00	1470	-6.8
21	FIDE 3666735	0	—	−4N	−22B	−27N	+30B	+31N	−18B	+29B	3.0	15.0	15.0	3.00	812	0.0
22	Choco Astudillo, Sebastian Andres	0	ECU	−2B	+21N	−12B	=13N	−26B	+29N	−17N	2.5	21.5	23.0	6.50	1275	0.0
23	Lliguichuzhca Zhinin, Cristopher	1486	ECU	=17N	−1B	=30N	−15B	+27N	−14B	−20N	2.0	21.5	23.0	4.50	1275	-38.0
24	Lliguichuzhca Zhinin, Azshara Kat	1530	ECU	F	−11N	=29B	=14N	+25B	−10N	−15B	2.0	19.5	21.0	4.75	1503	-4.4
25	Obando Dominguez, Francisco Javie	1488	ECU	−9B	+26N	−19B	F	−24N	+20B	−11N	2.0	18.0	18.0	5.00	1375	-28.0
26	FIDE 3665712	0	—	F	−25B	−17N	+27B	+22N	−13N	−14B	2.0	18.0	18.0	4.50	739	0.0
27	FIDE 3677699	0	—	−12B	−8N	+21B	−26N	−23B	+31N	F	2.0	15.5	15.5	3.00	788	0.0
28	Kittilsen, Guy	1697	USA	+31B	−5N	+32B	F	F	F	F	2.0	9.0	9.0	0.00	1634	-3.0
29	Verdugo Guartasaca, Paula Sofia	0	ECU	F	+30B	=24N	−18B	−17N	−22B	−21N	1.5	16.0	17.5	2.50	1308	0.0
30	FIDE 3672840	0	—	−8B	−29N	=23B	−21N	F	−15B	+31B	1.5	15.0	15.0	1.00	1411	0.0
31	FIDE 3677680	0	—	−28N	−18B	−15N	F	−21B	−27B	−30N	0.0	15.5	15.5	0.00	795	0.0
32	Solano Guevara, Luis Felipe	1509	ECU	F	F	−28N	−20B	−13B	F	F	0.0	11.0	11.0	0.00	757	-52.8
33	Romero Saker, Juan Carlos	0	ECU	−7N	−20B	F	F	F	F	F	0.0	9.5	9.5	0.00	743	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Arcos Rodriguez, Abdon NicolasECU
+58.4
4.0 pts · #12
2Camposano Reyes, John PaulECU
+50.8
4.5 pts · #8
3GUEVARA PEREZ, YOJANFID
+37.6
4.0 pts · #16

Top rating losers

1Lliguichuzhca Quizhpi, Kleber CarECU
-103.2
3.5 pts · #24
2Solano Guevara, Luis FelipeECU
-52.8
0.0 pts · #28
3Lliguichuzhca Zhinin, CristopherECU
-38.0
2.0 pts · #22

Biggest upsets

R2+297 Elo gap
Arcos Rodriguez, Abdon Nicolas1441 beat Lliguichuzhca Quizhpi, Kleber Car1738
R4+180 Elo gap
GUEVARA PEREZ, YOJAN1558 beat Lliguichuzhca Quizhpi, Kleber Car1738
R6+125 Elo gap
Illares Chumbi, Stefanny1613 beat Lliguichuzhca Quizhpi, Kleber Car1738