IRT de Primera Categoria de Santa Cruz 2025

Open SwissStandard

73 players participated in this 7-round tournament, held from 02 Jan 2026 to 04 Jan 2026 in Santa Cruz, Bolivia. 6 titled players. Top 10 Elo average was 1960, and top seed was Jonny Cueto (🇧🇴 BOL, IM, 2159).

Diego Alonso Yucra Valdes (🇧🇴 BOL, CM, 1981) won with 6.5/7, ahead of Jonny Cueto (6.0) and Ariel Martinez (5.5). Yucra Valdes won solo starting round 5.

The biggest upset came in round 4: Victor Ezequiel Rocha Vivanco (1515) beat Rodrigo Salazar Salinas (1834), a +319-point gap.

Location

🇧🇴Santa Cruz, Bolivia

Dates

02 Jan 2026 → 04 Jan 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇧🇴IMJonny Cueto2159

Avg top 10

1,960

Participants

Titled players · 6

IM×1

CM×4

WCM×1

Federations · 1 represented

🇧🇴Bolivia×68

Top 3

🥇
CMDiego Alonso Yucra Valdes
🇧🇴BOL·1981
6.5pts·2258perf+73.6
🥈
IMJonny Cueto
🇧🇴BOL·2159
6.0pts·2174perf+1.6
🥉
CMAriel Martinez
🇧🇴BOL·2087
5.5pts·2072perf+0.4

How it unfolded

Top 6 · 7 rounds

CM Diego Alonso Yucra Valdes led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Yucra Valdes6.5Cueto6Monroy Carrizo5.5Martinez5.5Laura Cabrera5Velez Solano5

R5–R7 · LEAD HELD

CM Diego Alonso Yucra Valdes held the sole lead from R5 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Diego Alonso Yucra Valdes beat IM Jonny Cueto (Black).

WIN STREAKS · 2 top finishers

CM Diego Alonso Yucra Valdes 6 wins (R1–R6)IM Jonny Cueto 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMDiego Alonso Yucra Valdes	*	1	½	1
2IMJonny Cueto	0	*	—	—
3CMJavier Monroy Carrizo	½	—	*	½
4CMAriel Martinez	0	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Yucra Valdes, Diego AlonsoCM	1981	BOL	+31N	+14B	+8N	+17B	+2N	+3B	=4N	6.5	30.5	34.0	31.25	2258	+73.6
2	Cueto, JonnyIM	2159	BOL	+27B	+18N	+7B	+6N	−1B	+17N	+12B	6.0	29.0	33.0	26.50	2174	+1.6
3	Martinez, ArielCM	2087	BOL	+33N	+19B	=4N	+5B	+12N	−1N	+13B	5.5	30.0	33.5	24.25	2072	+0.4
4	Monroy Carrizo, JavierCM	1821	BOL	+45B	+34N	=3B	=25N	+22B	+20N	=1B	5.5	27.5	30.5	22.50	1948	+23.6
5	Orias, Marcelo	1915	BOL	+38B	+28N	+32B	−3N	+9B	+18N	−6B	5.0	27.0	30.5	20.00	1929	+6.4
6	Magne Alcoba, Yonatan Israel	1925	BOL	F	+24B	+57N	−2B	+19N	+8B	+5N	5.0	26.0	28.0	20.00	2078	+44.8
7	Laura Cabrera, Jhon Magno	1869	BOL	+37N	+26B	−2N	−24B	+46N	+21B	+19N	5.0	25.5	28.5	18.50	1847	-0.4
8	Velez Solano, John	1768	BOL	+64B	+40N	−1B	+32N	+35B	−6N	+20B	5.0	25.5	27.5	16.00	1795	+8.8
9	Velarde Alarcon, Jhoana	1846	BOL	+41N	+54B	+21N	=12B	−5N	+15B	=29N	5.0	25.0	27.5	18.25	1908	+14.2
10	Monroy G., Javier A.CM	1953	BOL	+42B	+23N	F	+49B	−29N	+28N	+18B	5.0	23.0	26.0	18.00	1940	-0.2
11	Achocalla Huaipara, Pavel Andres	1877	BOL	+51B	−32N	+40B	−23N	+36B	+34N	+22B	5.0	21.5	24.5	17.00	1744	-17.2
12	Almendras Cortez, Elias	1988	BOL	+43B	+22N	+13B	=9N	−3B	+25N	−2N	4.5	29.0	32.0	18.00	1944	-3.8
13	El Hage Serrano, CaelyWCM	1787	BOL	+35B	+36N	−12N	+57B	+24N	=29B	−3N	4.5	25.0	27.0	15.00	1817	+16.0
14	Frederiksen, Eguil E.	1658	BOL	+50B	−1N	+42B	−20N	+40B	+35N	=16B	4.5	24.5	27.5	14.75	1687	+4.6
15	Velez, Juan Carlos	1848	BOL	+20B	F	+61N	+28N	=25B	−9N	+23B	4.5	23.0	25.0	16.00	1849	+2.2
16	Zaigua Pedraza, Carlos	1801	BOL	+70N	−21B	+33N	−26B	+61N	+24B	=14N	4.5	22.0	23.0	12.75	1691	-17.2
17	Acapa Mamani, Jhonathan	1776	BOL	+52N	+44B	F	−1N	+23B	−2B	+27N	4.0	28.5	31.5	14.00	1858	+12.6
18	Moscoso Paz, Esther Angela	1760	BOL	+47N	−2B	+56N	+21B	+26N	−5B	−10N	4.0	27.0	29.5	13.50	1795	+12.8
19	Amelunge Moreno, Oscar Alejandro	1718	BOL	+53B	−3N	+43B	+36N	−6B	+32N	−7B	4.0	25.5	28.5	13.00	1749	+6.8
20	Rivero Teran, Andre Alejandro	1467	BOL	−15N	+66B	+54N	+14B	+31N	−4B	−8N	4.0	25.5	26.5	11.50	1709	+68.0
21	Limachi, Rodrigo	1617	BOL	+39B	+16N	−9B	−18N	+47B	−7N	+45B	4.0	25.0	28.0	14.00	1693	+21.3
22	Tito Ramirez, Jorge Alberto	1685	BOL	+55N	−12B	+41N	+46B	−4N	+26B	−11N	4.0	25.0	27.5	12.50	1731	+6.4
23	Alvarez Orellana, Isai Jeremi	1652	BOL	+62N	−10B	+37N	+11B	−17N	+44B	−15N	4.0	25.0	27.0	13.50	1755	+31.2
24	Moreno Romero, Alejandro	1652	BOL	+65B	−6N	+51B	+7N	−13B	−16N	+40B	4.0	25.0	27.0	13.00	1739	+13.2
25	Salvatierra Zelada, Lucio Alfredo	1741	BOL	F	+46B	+30N	=4B	=15N	−12B	+31N	4.0	25.0	25.0	15.50	1891	+47.2
26	Ramirez Pinto, Juan Alberto	1619	BOL	+67B	−7N	+45B	+16N	−18B	−22N	+43B	4.0	23.5	24.5	11.50	1682	+19.2
27	Bravo Vaquera, Sandro	1549	BOL	−2N	+47B	−29N	+52B	+49N	+54B	−17B	4.0	23.0	25.5	11.50	1713	+28.2
28	Torrico, Jose Miguel	1645	BOL	+60N	−5B	+48N	−15B	+33N	−10B	+61N	4.0	23.0	25.0	10.50	1718	+19.6
29	Cordero, Jhasith	1741	BOL	F	F	+27B	+34N	+10B	=13N	=9B	4.0	22.0	22.0	17.25	1989	+30.8
30	Salazar Salinas, Rodrigo	1834	BOL	+48N	F	−25B	−31B	+60N	+55B	+38N	4.0	18.5	18.5	11.00	1556	-50.8
31	Rocha Vivanco, Victor Ezequiel	1515	BOL	−1B	=50N	+39B	+30N	−20B	+37N	−25B	3.5	25.5	28.5	12.50	1613	+17.6
32	Bernachi Menacho, Letizia	1623	BOL	+72N	+11B	−5N	−8B	+41N	−19B	=33N	3.5	25.5	25.5	9.75	1662	+7.6
33	Rocha Rojas, Wiliberto	1539	BOL	−3B	+53N	−16B	+63N	−28B	+47N	=32B	3.5	23.5	25.5	9.75	1538	-5.6
34	Vargas Garzon, Maximiliano	1611	BOL	+69N	−4B	+52N	−29B	+59N	−11B	=56N	3.5	22.0	23.0	7.25	1532	-22.4
35	Joffre Marino, Cristhian Adrian	1448	BOL	−13N	+59B	+44N	+58B	−8N	−14B	=57N	3.5	21.0	23.0	8.00	1606	+43.2
36	Flores Huallpa, Diego	1467	BOL	+59N	−13B	+73N	−19B	−11N	=48B	+55N	3.5	21.0	21.0	6.00	1388	-16.0
37	Acapa Mamani, Tabita Maya	1467	BOL	−7B	+63N	−23B	+71N	=57N	−31B	+54N	3.5	19.0	19.0	5.50	1510	+6.4
38	Maquera Soto, Benjamin	1498	BOL	−5N	+60B	−49N	+62B	=54N	+57B	−30B	3.5	18.5	20.5	7.25	1580	+14.4
39	Rivas Brito, Juan Carlos	0	BOL	−21N	+70B	−31N	+56B	−44N	=41B	+58N	3.5	18.0	19.0	7.00	1536	0.0
40	Montano Cardozo, Franco Leonardo	1578	BOL	+71N	−8B	−11N	+48B	−14N	+60B	−24N	3.0	23.5	23.5	5.00	1444	-33.6
41	Ventura Guzman, Laia Isabella	1495	BOL	−9B	+65N	−22B	+73N	−32B	=39N	=50B	3.0	21.0	21.0	5.25	918	-27.6
42	Vargas Garzon, Isabella	1504	BOL	−10N	+62B	−14N	=55B	−58N	+52B	=48N	3.0	20.0	22.0	7.75	1455	-18.4
43	Arimoza Rojas, Thiago	1529	BOL	−12N	+55B	−19N	−47B	+62N	+59B	−26N	3.0	20.0	22.0	6.50	873	-53.2
44	Kababat Mejia, Raul Ignacio	1606	BOL	+68B	−17N	−35B	+64N	+39B	−23N	−49B	3.0	20.0	21.0	6.50	1352	-64.0
45	Montoya Mercado, Julio Cesar	1454	BOL	−4N	+69B	−26N	−54B	+66N	+46B	−21N	3.0	20.0	21.0	5.00	1417	-4.6
46	Rocha Mamani, Michael	1595	BOL	+73B	−25N	+64B	−22N	−7B	−45N	+63B	3.0	20.0	20.0	4.00	1397	-48.0
47	Campos Oliveira, Leonel	1428	BOL	−18B	−27N	+72B	+43N	−21N	−33B	+67N	3.0	19.5	19.5	4.00	1358	-8.4
48	Dominguez Monrroy, Axel	1466	BOL	−30B	+67N	−28B	−40N	+73B	=36N	=42B	3.0	18.5	18.5	4.25	1366	-26.8
49	Montenegro Vilches, Lucas Enrique	1652	BOL	F	F	+38B	−10N	−27B	+58B	+44N	3.0	17.5	17.5	8.50	1702	+11.6
50	Claros Aguilar, Diego Ariel	0	BOL	−14N	=31B	−58N	−59B	+67B	+65N	=41N	3.0	17.0	18.0	6.25	1360	0.0
51	Marquez Galan, Maily Xiomara	1478	BOL	−11N	+72B	−24N	−60B	−55N	+66B	+62N	3.0	16.5	16.5	3.00	964	-14.0
52	Parada Cespedes, Juan Antonio	1447	BOL	−17B	+68N	−34B	−27N	+71B	−42N	+72B	3.0	15.5	15.5	1.00	811	-48.0
53	Amelunge Moreno, Alan Alfredo	0	BOL	−19N	−33B	+66N	−61B	+68N	−56B	+59N	3.0	15.0	16.0	4.00	790	0.0
54	Maquera Soto, Abigail Katherine	1642	BOL	+63B	−9N	−20B	+45N	=38B	−27N	−37B	2.5	23.0	25.0	6.75	1354	-90.8
55	Arias Navia, Victor Augusto	0	BOL	−22B	−43N	+67B	=42N	+51B	−30N	−36B	2.5	20.5	21.5	5.50	1389	0.0
56	Padilla Quiroz, Irina Lineth	1503	BOL	F	F	−18B	−39N	+63B	+53N	=34B	2.5	16.0	16.0	6.75	1492	-3.2
57	Baspineiro F, Maria Fernanda	1619	BOL	+66N	F	−6B	−13N	=37B	−38N	=35B	2.0	24.5	25.5	4.50	1385	-60.0
58	Vargas Mojica, Axel Fabian	1504	BOL	F	F	+50B	−35N	+42B	−49N	−39B	2.0	21.0	21.0	6.00	1410	-21.2
59	FIDE 3368025	0	—	−36B	−35N	+65B	+50N	−34B	−43N	−53B	2.0	19.5	21.5	5.00	713	0.0
60	Linares Iglesias, Jose Leandro	0	BOL	−28B	−38N	+68B	+51N	−30B	−40N	F	2.0	19.5	20.5	4.00	1366	0.0
61	Suarez Antelo, Jesus	1582	BOL	F	F	−15B	+53N	−16B	+64N	−28B	2.0	18.0	18.0	5.00	1489	-10.4
62	Gutierrez Sandy, Mauricio Ernesto	0	BOL	−23B	−42N	+69B	−38N	−43B	+68N	−51B	2.0	17.5	18.5	2.00	731	0.0
63	Navarro Andrade, Nathalia Andrea	0	BOL	−54N	−37B	+70N	−33B	−56N	+69B	−46N	2.0	16.0	17.0	2.00	1262	0.0
64	Putare Velez, Anely	1435	BOL	−8N	+71B	−46N	−44B	+69N	−61B	F	2.0	16.0	16.0	1.00	836	-19.8
65	Gutierrez Terceros, Guillermo	0	BOL	−24N	−41B	−59N	−66B	+70N	−50B	+71N	2.0	14.0	14.0	1.00	1409	0.0
66	Quinteros Ulloa, Edrick Alberto	0	BOL	−57B	−20N	−53B	+65N	−45B	−51N	F	1.0	17.0	17.0	2.00	704	0.0
67	Pasten Duran, Adriana Mary	0	BOL	−26N	−48B	−55N	+70B	−50N	F	−47B	1.0	16.5	16.5	1.00	1299	0.0
68	Trujillo Choque, Jordan Jhoan	0	BOL	−44N	−52B	−60N	+72N	−53B	−62B	−69N	1.0	14.0	14.0	0.00	727	0.0
69	FIDE 3373827	0	—	−34B	−45N	−62N	F	−64B	−63N	+68B	1.0	13.5	13.5	1.00	700	0.0
70	Dominguez Miranda, Margot Mariana	1453	BOL	−16B	−39N	−63B	−67N	−65B	F	+73N	1.0	13.0	13.0	0.00	1001	-4.4
71	FIDE 3373843	0	—	−40B	−64N	F	−37B	−52N	F	−65B	0.0	14.5	14.5	0.00	682	0.0
72	FIDE 3357570	0	—	−32B	−51N	−47N	−68B	F	F	−52N	0.0	13.5	13.5	0.00	695	0.0
73	FIDE 3373835	0	—	−46N	F	−36B	−41B	−48N	F	−70B	0.0	13.5	13.5	0.00	695	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Yucra Valdes, Diego AlonsoCMBOL
+73.6
6.5 pts · #1
2Rivero Teran, Andre AlejandroBOL
+68.0
4.0 pts · #29
3Salvatierra Zelada, Lucio AlfredoBOL
+47.2
4.0 pts · #16

Top rating losers

1Maquera Soto, Abigail KatherineBOL
-90.8
2.5 pts · #37
2Kababat Mejia, Raul IgnacioBOL
-64.0
3.0 pts · #48
3Baspineiro F, Maria FernandaBOL
-60.0
2.0 pts · #44

Biggest upsets

R4+319 Elo gap
Rocha Vivanco, Victor Ezequiel1515 beat Salazar Salinas, Rodrigo1834
R2+254 Elo gap
Bernachi Menacho, Letizia1623 beat Achocalla Huaipara, Pavel Andres1877
R4+225 Elo gap
Alvarez Orellana, Isai Jeremi1652 beat Achocalla Huaipara, Pavel Andres1877