II IRT DEL CENTENARIO CDP 2025 BLITZ

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77 players participated in this 9-round tournament, held on 04 Oct 2025 in Quito, Ecuador. 7 titled players. Top 10 Elo average was 2050, and top seed was Christopher Leonel Garzon Zapatanga (🇪🇨 ECU, IM, 2219).

Matias Israel Guerrero Cajeca (🇪🇨 ECU, 2083) won with 7.5/9, ahead of Miguel Munoz Sanchez (7.5) and Carla Heredia Serrano (7.5). Guerrero Cajeca shared the lead from round 8, winning on tie-break.

The biggest upset came in round 1: Eva Abigail Nunez Tite (1471) beat Oscar Moreno Viteri (1878), a +407-point gap.

Location

🇪🇨Quito, Ecuador

Dates

04 Oct 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇪🇨IMChristopher Leonel Garzon Zapatanga2219

Avg top 10

2,050

Participants

Titled players · 7

IM×3

FM×1

CM×1

WGM×1

WCM×1

Federations · 1 represented

🇪🇨Ecuador×73

Top 3

🥇
Matias Israel Guerrero Cajeca
🇪🇨ECU·2083
7.5pts·2225perf+73.4
🥈
IMMiguel Munoz Sanchez
🇪🇨ECU·2129
7.5pts·2251perf+7.3
🥉
WGMCarla Heredia Serrano
🇪🇨ECU·2037
7.5pts·2188perf+20.8

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 3 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 3 at the finish.

Co-leaders

Guerrero Cajeca7.5Heredia Serrano7.5Munoz Sanchez7.5Esmeraldas Huachi7Viscaino Yanez7Jurado Grefa6.5

R9 · TIEBREAK CLUSTER

3 players finish on 7.5/9. Guerrero Cajeca takes the title on Buchholz Cut1 (51.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Matias Israel Guerrero Cajeca beat WGM Carla Heredia Serrano (Black).

WIN STREAKS · 3 top finishers

Matias Israel Guerrero Cajeca 5 wins (R1–R5)WGM Carla Heredia Serrano 3+3 wins (R1–R3, R5–R7)IM Miguel Munoz Sanchez 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Matias Israel Guerrero Cajeca	*	1	½	1
2WGMCarla Heredia Serrano	0	*	½	—
3IMMiguel Munoz Sanchez	½	½	*	1
4FMAnderson Esmeraldas Huachi	0	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Guerrero Cajeca, Matias Israel	2083	ECU	+48B	+31N	+15B	+3N	+4B	−8N	+16B	+6N	=2B	7.5	51.0	55.0	45.25	2225	+73.4
2	Munoz Sanchez, MiguelIM	2129	ECU	+57B	+29N	+17B	+10N	+6B	=16N	+4B	=3B	=1N	7.5	50.5	54.0	43.75	2251	+7.3
3	Heredia Serrano, CarlaWGM	2037	ECU	+63N	+45B	+18N	−1B	+30N	+14B	+8B	=2N	+10B	7.5	47.5	50.5	39.25	2188	+20.8
4	Esmeraldas Huachi, AndersonFM	2088	ECU	+25N	+46B	+12N	+9B	−1N	+5B	−2N	+11B	+14N	7.0	51.5	55.5	40.50	2158	+5.4
5	Viscaino Yanez, Jhonny CesarCM	1894	ECU	+22B	+28N	−8B	+38N	+15B	−4N	+29B	+16N	+9N	7.0	46.0	50.5	37.50	2080	+23.4
6	Ruiz Zurita, Cesar	1915	ECU	+64N	+41B	+7N	+47B	−2N	+13B	=9N	−1B	+19N	6.5	47.5	50.5	32.50	1938	+6.0
7	Jurado Grefa, Heidy	1721	ECU	+74B	+26N	−6B	=22N	+39B	+47N	=12B	=15N	+16B	6.5	43.0	45.0	29.75	1890	+80.4
8	Garzon Zapatanga, Christopher LeonelIM	2219	ECU	+42N	+13B	+5N	−16B	+11N	+1B	−3N	−14B	+17B	6.0	51.0	55.5	36.50	2057	-36.7
9	Carrasco Jacome, Bryan	1998	ECU	+32B	+23N	+27B	−4N	+18B	=12N	=6B	+24N	−5B	6.0	48.0	53.0	32.75	1978	-24.2
10	Jarrin Cobos, Jose	2077	ECU	+37N	+61B	+11N	−2B	−16N	+31B	+13N	+12B	−3N	6.0	48.0	51.0	30.50	1981	-13.6
11	Velez Cajas, Jhostyn Fredy	1815	ECU	+19B	+20N	−10B	+62N	−8B	+23N	+27B	−4N	+28B	6.0	45.5	48.5	29.50	1865	+43.2
12	Sozoranga Barahona,Jordy Alexander	1871	ECU	+44B	+43N	−4B	+28N	+27B	=9B	=7N	−10N	+29B	6.0	45.0	49.5	30.25	1906	-1.8
13	Galarza Chalco, Sebastian Alexand	1646	ECU	+53B	−8N	+48B	+26N	+17B	−6N	−10B	+32N	+27B	6.0	43.0	46.5	28.00	1888	+27.4
14	Moreno Viteri, Oscar	1878	ECU	−69N	+70B	+40B	+23N	+36B	−3N	+32B	+8N	−4B	6.0	42.0	44.0	27.50	1952	+14.6
15	Chamba Guerrero, Maria PazWCM	1744	ECU	+70N	+69B	−1N	+35B	−5N	=37B	+39N	=7B	+33N	6.0	42.0	44.0	24.00	1731	-10.6
16	Pazos Gambarrotti, PlinioIM	2058	ECU	+39B	+38N	+36B	+8N	+10B	=2B	−1N	−5B	−7N	5.5	49.5	54.0	29.25	1972	-1.1
17	Narvaez Carvajal, Jose	1842	ECU	+65N	+35B	−2N	+42B	−13N	=45B	+37N	+20B	−8N	5.5	43.0	45.5	24.00	1801	-19.4
18	Vallejo Chavez, Francisco Paul	1781	ECU	+60B	+62N	−3B	+20N	−9N	=28B	+46N	−19B	+41N	5.5	41.5	44.5	23.00	1748	+103.2
19	Sangoluisa Sotamba, Mathias Leand	1437	ECU	−11N	+76B	+34N	−30B	=41N	+40N	+36B	+18N	−6B	5.5	41.5	42.5	22.75	1619	0.0
20	Aguirre Proano, Steven Pavel	1546	ECU	+76N	−11B	+21N	−18B	+33N	=36N	+55B	−17N	+40B	5.5	40.0	41.0	21.75	1520	+10.4
21	Sillo Lagla, Micaela Estefania	1408	ECU	−36B	+24N	−20B	+56N	+43B	−29N	=23B	+38N	+46B	5.5	39.0	42.5	24.75	1583	+58.4
22	Changoluisa Gonzalez, Ana Marisol	1472	ECU	−5N	+71B	+61N	=7B	−45N	+51B	=28N	+46B	=24B	5.5	38.5	40.5	21.00	1620	+6.4
23	Carvajal Ruiz, Josue Andres	1567	ECU	+72N	−9B	+69N	−14B	+63N	−11B	=21N	+52B	+39N	5.5	36.5	38.5	17.75	1589	+1.2
24	Chamba Guerrero, Salome	1802	ECU	−51N	−21B	+52N	+69B	+42N	+61B	+45N	−9B	=22N	5.5	35.5	37.5	19.75	1660	-1.1
25	Krishan Rani, Tanish Aditya	1517	ECU	−4B	−53N	+50B	+73N	−31B	+67N	=38B	+55N	+36N	5.5	34.5	36.5	18.75	1626	+34.8
26	Robalino Gomez, Roberto Josue	1402	ECU	+30N	−7B	+41N	−13B	+35N	−46B	+34N	−36B	+45N	5.0	40.5	44.5	23.50	1627	-10.0
27	Naranjo, Tomas	1630	ECU	+34N	+66B	−9N	+46B	−12N	+41B	−11N	+61B	−13N	5.0	40.5	43.0	19.00	1700	+23.2
28	Aguirre Proano, Christopher Alain	1551	ECU	+71N	−5B	+65N	−12B	+64N	=18N	=22B	+30B	−11N	5.0	40.5	42.5	18.00	1667	+13.6
29	Romero Vargas, Willian Joel	1637	ECU	+75N	−2B	−37N	+65B	+54N	+21B	−5N	+45B	−12N	5.0	40.5	42.5	17.50	1693	+9.2
30	Zambrano Bedoya, Diego Omar	1664	ECU	−26B	+55N	+57B	+19N	−3B	−32N	+47B	−28N	+48B	5.0	39.5	43.0	20.50	1409	-24.6
31	Ruiz Arends, Salome	1602	ECU	+59N	−1B	−63N	+70B	+25N	−10N	+62B	−33B	+50N	5.0	37.5	39.5	18.00	1776	+69.2
32	Guaman Cabrera, Victoria Rafaela	1494	ECU	−9N	+72B	−46N	+71B	+34N	+30B	−14N	−13B	+61N	5.0	37.0	39.0	17.00	1567	+7.6
33	Acurio Norona, Joaquin Alejandro	0	ECU	−40B	+56N	−62B	+57N	−20B	+48N	+42B	+31N	−15B	5.0	36.5	39.5	20.50	1483	0.0
34	Grandes Delgado, Joseph Andres	1559	ECU	−27B	+60N	−19B	+53N	−32B	+64N	−26B	+59N	+47B	5.0	35.0	38.0	17.50	1463	-24.0
35	Arichabala Salazar, Leonardo Joaq	1540	ECU	+73B	−17N	+53B	−15N	−26B	+70N	=56B	=47N	+64B	5.0	32.5	34.5	14.25	1499	-10.4
36	Padilla Puruncajas, Arturo	1667	ECU	+21N	+51B	−16N	+37B	−14N	=20B	−19N	+26N	−25B	4.5	43.0	46.5	21.25	1612	+46.4
37	Palatte Murillo, Ivonne Leonella	1507	ECU	−10B	+68N	+29B	−36N	+38B	=15N	−17B	−40N	+56B	4.5	39.5	42.0	18.50	1576	+8.4
38	Chungandro Recalde, Kevin Sebasti	1571	ECU	+52N	−16B	+64N	−5B	−37N	+65B	=25N	−21B	+51N	4.5	38.0	40.5	15.25	1522	-28.4
39	Farinango Imbaquingo, Tamia Jazmin	1506	ECU	−16N	=52B	+58N	+51B	−7N	+54B	−15B	+56N	−23B	4.5	37.5	41.0	15.75	1476	-42.0
40	Siguenza Dutan, Victor Andre	1663	ECU	+33N	=54B	−14N	+63B	−47N	−19B	+51N	+37B	−20N	4.5	37.5	40.5	17.75	1492	0.0
41	Zapata Jumbo, Gabriel Alexander	1548	ECU	+77B	−6N	−26B	+76N	=19B	−27N	+53B	+44N	−18B	4.5	36.5	36.5	11.75	1388	-47.2
42	Jacome Jaramillo, Jose Miguel	1533	ECU	−8B	+74N	+67B	−17N	−24B	=53N	−33N	+54B	+52N	4.5	35.0	37.0	13.25	1552	-4.8
43	Lara Cuenca, Daniela	1548	ECU	+49N	−12B	=51N	−54B	−21N	+58B	−52N	+65B	+55N	4.5	33.0	35.5	15.25	1625	+12.4
44	Minchala Rivera, Iker Matias	1461	ECU	−12N	+49B	=45N	−61B	+52B	−55N	+54N	−41B	+58N	4.5	32.5	35.5	16.50	1573	+21.2
45	Mendoza Zambrano, Jose Paul	1569	ECU	+50B	−3N	=44B	+55N	+22B	=17N	−24B	−29N	−26B	4.0	42.5	46.0	18.00	1627	-31.6
46	Freire Verdezoto, Ian Gustavo	1603	ECU	+68B	−4N	+32B	−27N	+62B	+26N	−18B	−22N	−21N	4.0	41.5	44.0	15.50	1498	+17.2
47	Gutierrez Gutierrez, Christian Ma	0	ECU	=66N	+58B	+54N	−6N	+40B	−7B	−30N	=35B	−34N	4.0	39.5	42.0	15.25	1524	0.0
48	Gualotuna Duran, Dante Alfredo	1515	ECU	−1N	+59B	−13N	+72B	−61N	−33B	+71N	+49B	−30N	4.0	36.0	38.0	11.50	936	-11.8
49	Perez Chiriboga, Sebastian Jossue	0	ECU	−43B	−44N	+68B	−58N	+60B	−57N	+70B	−48N	+62B	4.0	29.0	31.0	11.00	1377	0.0
50	Jativa, Luis	1744	ECU	−45N	−63B	−25N	+75B	−65N	+77B	+69N	+57N	−31B	4.0	27.5	27.5	7.50	750	-119.2
51	Angulo Rojas, Angelly Sophia De N	1417	ECU	+24B	−36N	=43B	−39N	+58B	−22N	−40B	+67N	−38B	3.5	37.0	39.5	13.75	1416	0.0
52	Heredia Palacios, Josue Israel	0	ECU	−38B	=39N	−24B	+66B	−44N	+60N	+43B	−23N	−42B	3.5	37.0	39.5	12.75	1473	0.0
53	Benavides Mantilla, Luis Alejandr	0	ECU	−13N	+25B	−35N	−34B	+77N	=42B	−41N	−58B	+65N	3.5	36.5	36.5	10.25	1423	0.0
54	Gutierrez Burbano, Alvaro Marcelo	0	ECU	+56B	=40N	−47B	+43N	−29B	−39N	−44B	−42N	+66B	3.5	35.0	37.5	12.75	1447	0.0
55	Pastor Villasis, Pablo Alejandro	0	ECU	=58N	−30B	+66N	−45B	+69N	+44B	−20N	−25B	−43B	3.5	35.0	37.0	10.75	1400	0.0
56	Rosero Perez, Cristhian Alexander	1596	ECU	−54N	−33B	+59N	−21B	+72N	+63B	=35N	−39B	−37N	3.5	34.5	36.5	11.00	1211	0.0
57	Vega Portilla, Sayel Sebastian	1523	ECU	−2N	+75B	−30N	−33B	+71N	+49B	−61N	−50B	=68N	3.5	33.0	35.0	9.25	1039	0.0
58	Ponton Villacis, Roque Benjamin	1551	ECU	=55B	−47N	−39B	+49B	−51N	−43N	+66B	+53N	−44B	3.5	32.0	34.5	11.75	1358	-38.8
59	Chilig Toapanta, Freddy Gonzalo	0	ECU	−31B	−48N	−56B	+74N	+73B	−62N	+63N	−34B	=60N	3.5	29.0	31.0	8.75	1301	0.0
60	Velasquez Jimenez, Valeria Alejan	1417	ECU	−18N	−34B	−72N	+68B	−49N	−52B	+76B	+75N	=59B	3.5	28.0	29.0	7.25	717	-34.0
61	Gutierrez Ojeda, Carlos Fernando	1598	ECU	F	−10N	−22B	+44N	+48B	−24N	+57B	−27N	−32B	3.0	39.0	39.0	12.00	1466	0.0
62	Sailema Acevedo, Juan	1535	ECU	+67N	−18B	+33N	−11B	−46N	+59B	−31N	−64B	−49N	3.0	36.0	38.5	11.00	714	-106.8
63	Granja Diaz, Sophia Alejandra	1505	ECU	−3B	+50N	+31B	−40N	−23B	−56N	−59B	+74N	F	3.0	35.5	37.5	11.00	1636	0.0
64	Benavides Portilla, Erick	1483	ECU	−6B	+77N	−38B	+67N	−28B	−34B	F	+62N	−35N	3.0	33.5	33.5	5.50	1331	-27.2
65	Cajas Jua, Yelena Shutsi	1450	ECU	−17B	+73N	−28B	−29N	+50B	−38N	=67B	−43N	−53B	2.5	34.5	36.5	7.25	1401	-47.2
66	Chavez Espinoza, Paul Nicolas	1582	ECU	=47B	−27N	−55B	−52N	−67B	+73N	−58N	+71B	−54N	2.5	27.5	29.5	6.00	789	-39.2
67	Valencia Loza, Jose Martin	0	ECU	−62B	F	−42N	−64B	+66N	−25B	=65N	−51B	+69B	2.5	26.5	26.5	5.75	1326	0.0
68	FIDE 3672972	0	—	−46N	−37B	−49N	−60N	+74B	−71B	F	+69N	=57B	2.5	25.5	25.5	5.75	1279	0.0
69	Nunez Tite, Eva Abigail	1471	ECU	+14B	−15N	−23B	−24N	−55B	+76N	−50B	−68B	−67N	2.0	35.5	36.5	7.00	1486	0.0
70	Yampis Shakay, Josselyn Sarahi	1414	ECU	−15B	−14N	+77B	−31N	+76B	−35B	−49N	F	F	2.0	32.0	32.0	1.00	873	0.0
71	Naranjo Tobar, Joaquin	0	ECU	−28B	−22N	+74B	−32N	−57B	+68N	−48B	−66N	−75B	2.0	30.0	32.0	4.50	1265	0.0
72	Morales Molina, Rodrigo Antonio	0	ECU	−23B	−32N	+60B	−48N	−56B	+75N	F	F	F	2.0	28.5	28.5	5.50	1308	0.0
73	FIDE 3668592	0	—	−35N	−65B	+75N	−25B	−59N	−66B	−74N	F	+76B	2.0	24.0	24.0	3.00	721	0.0
74	Krishan Rani, Tejasvi Arora	1410	ECU	−7N	−42B	−71N	−59B	−68N	F	+73B	−63B	+77N	2.0	24.0	24.0	2.00	816	-24.4
75	Campoverde Chauca, Joaquin Franci	0	ECU	−29B	−57N	−73B	−50N	F	−72B	+77N	−60B	+71N	2.0	22.0	22.0	2.00	814	0.0
76	FIDE 3673049	0	—	−20B	−19N	F	−41B	−70N	−69B	−60N	+77B	−73N	1.0	25.0	25.0	0.00	697	0.0
77	FIDE 3673030	0	—	−41N	−64B	−70N	F	−53B	−50N	−75B	−76N	−74B	0.0	22.0	22.0	0.00	750	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Vallejo Chavez, Francisco PaulECU
+103.2
5.5 pts · #12
2Jurado Grefa, HeidyECU
+80.4
6.5 pts · #9
3Guerrero Cajeca, Matias IsraelECU
+73.4
7.5 pts · #1

Top rating losers

1Jativa, LuisECU
-119.2
4.0 pts · #76
2Sailema Acevedo, JuanECU
-106.8
3.0 pts · #66
3Cajas Jua, Yelena ShutsiECU
-47.2
2.5 pts · #55

Biggest upsets

R1+407 Elo gap
Nunez Tite, Eva Abigail1471 beat Moreno Viteri, Oscar1878
R2+394 Elo gap
Sillo Lagla, Micaela Estefania1408 beat Chamba Guerrero, Salome1802
R1+385 Elo gap
Angulo Rojas, Angelly Sophia De N1417 beat Chamba Guerrero, Salome1802