Grand Prix Nacional de Ajedrez 2025-2026 (7mo. Torneo)

Open SwissStandard

39 players participated in this 7-round tournament, held from 21 Aug 2025 to 24 Aug 2025 in Trinidad, Bolivia. 4 titled players. Top 10 Elo average was 1871, and top seed was Douglas Miguel Mamani Apaza (🇧🇴 BOL, 1994).

Yonatan Israel Magne Alcoba (🇧🇴 BOL, 1871) won with 6.0/7, ahead of Javier A. Monroy G. (5.5) and Johan Raziel Rodriguez Barrientos (5.5). Magne Alcoba clinched sole first place in the final round.

The biggest upset came in round 6: Sebastian Cuellar Romero (1418) beat Douglas Miguel Mamani Apaza (1994), a +576-point gap.

Location

🇧🇴Trinidad, Bolivia

Dates

21 Aug 2025 → 24 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇧🇴Douglas Miguel Mamani Apaza1994

Avg top 10

1,871

Participants

Titled players · 4

CM×2

WFM×1

WCM×1

Federations · 1 represented

🇧🇴Bolivia×27

Top 3

🥇
Yonatan Israel Magne Alcoba
🇧🇴BOL·1871
6.0pts·2000perf+34.0
🥈
CMJavier A. Monroy G.
🇧🇴BOL·1992
5.5pts·1967perf-0.8
🥉
Johan Raziel Rodriguez Barrientos
🇧🇴BOL·1636
5.5pts·2156perf+114.4

How it unfolded

Top 6 · 7 rounds

Yonatan Israel Magne Alcoba led from R7; +0.5-point edge over the runner-up.

Co-leaders

Magne Alcoba6Rodriguez Barrientos5.5Monroy G.5.5Moscoso Paz5Coro5Cuellar Romero5

R7 · LEADER CHANGE24 Aug

Yonatan Israel Magne Alcoba takes the sole lead (6.0/7).

WIN STREAKS · 3 top finishers

Yonatan Israel Magne Alcoba 3+3 wins (R1–R3, R5–R7)Johan Raziel Rodriguez Barrientos 4 wins (R2–R5)CM Javier A. Monroy G. 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Yonatan Israel Magne Alcoba	*	—	1	1
2Johan Raziel Rodriguez Barrientos	—	*	½	1
3CMJavier A. Monroy G.	0	½	*	—
4Esther Angela Moscoso Paz	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Magne Alcoba, Yonatan Israel	1871	BOL	+28N	+13B	+4N	−8B	+15N	+9B	+2B	6.0	27.0	29.0	24.50	2000	+34.0
2	Monroy G., Javier A.CM	1992	BOL	+30N	+6B	+9N	+11B	+8N	=3B	−1N	5.5	29.0	31.0	22.25	1967	-0.8
3	Rodriguez Barrientos, Johan Raziel	1636	BOL	F	+39B	+18N	+5B	+22N	=2N	+4B	5.5	22.5	22.5	19.75	2156	+114.4
4	Moscoso Paz, Esther Angela	1652	BOL	+21B	+27N	−1B	+7N	+11N	+13B	−3N	5.0	27.5	29.5	18.00	1734	+22.8
5	Coro, SoledadWCM	1724	BOL	+24N	+15B	=10B	−3N	=17B	+23N	+12B	5.0	24.0	27.0	17.75	1780	+5.8
6	Duran Alcazar, Darwin Gabriel	1578	BOL	+25B	−2N	+23B	−10N	+21B	+27N	+9N	5.0	22.5	24.5	15.00	1758	+20.8
7	Cuellar Romero, Sebastian	1418	BOL	+36N	−9B	+28N	−4B	+24N	+22B	+11N	5.0	21.0	22.0	13.00	1756	+60.0
8	Yepez Montenegro, Gloria LuzWFM	1919	BOL	F	+33B	+14N	+1N	−2B	=10N	+17B	4.5	24.5	24.5	17.00	1954	+7.2
9	Condori Calderon, Jhoel	1738	BOL	+23B	+7N	−2B	+17N	+10B	−1N	−6B	4.0	29.0	32.0	15.50	1750	+2.2
10	Yucra Valdes, Diego AlonsoCM	1930	BOL	F	+20B	=5N	+6B	−9N	=8B	+18N	4.0	25.5	25.5	16.75	1805	-29.6
11	Velarde Alarcon, Jhoana	1878	BOL	+37B	+18N	+19B	−2N	−4B	+29N	−7B	4.0	24.5	25.5	10.00	1632	-59.6
12	Ribera Rivero, Willan	1852	BOL	+16B	=14N	−17B	+29N	=20N	+15B	−5N	4.0	24.0	26.0	13.75	1408	-86.4
13	Ortega Arteaga, Luis Carlos	1509	BOL	+31B	−1N	=21B	+33N	+19B	−4N	=16B	4.0	23.5	25.0	10.50	1653	+18.4
14	Bernachi Menacho, Letizia	1522	BOL	+34N	=12B	−8B	=21N	+25B	−16N	+23B	4.0	21.5	23.0	11.00	1693	+11.6
15	Sittyc Cabral, Giancarlo	0	BOL	+?B	−5N	+37B	+19N	−1B	−12N	+27B	4.0	21.5	21.5	6.50	1623	0.0
16	Chavez Ruiz, Carlos Brajob	0	BOL	−12N	+34B	−22N	+?B	=18N	+14B	=13N	4.0	20.0	20.0	9.25	1620	0.0
17	Velasquez Nava, Raquel	1700	BOL	F	+35B	+12N	−9B	=5N	+20B	−8N	3.5	22.5	22.5	11.50	1733	+4.6
18	Rojas Quispe, Leonardo	1586	BOL	+38N	−11B	−3B	+34N	=16B	+32N	−10B	3.5	21.0	22.0	6.50	1016	-27.6
19	Ribera Arce, Yorch Willy	1812	BOL	+32N	+29B	−11N	−15B	−13N	=34B	+24N	3.5	19.0	20.5	7.75	891	-25.4
20	Velasquez Nava, Marcia	1414	BOL	F	−10N	+31B	+37N	=12B	−17N	+21B	3.5	17.5	17.5	8.00	1514	+6.8
21	Machado Cortez, Mateo	0	BOL	−4N	+30B	=13N	=14B	−6N	+31B	−20N	3.0	23.5	25.5	8.00	1297	0.0
22	Mamani Apaza, Douglas Miguel	1994	BOL	F	+26N	+16B	+27N	−3B	−7N	F	3.0	21.5	23.5	9.00	816	-36.4
23	Flores Temo, Fernando	0	BOL	−9N	+?B	−6N	+35B	+33N	−5B	−14N	3.0	21.0	21.0	3.00	842	0.0
24	FIDE 3356671	0	—	−5B	+?N	−27B	+36N	−7B	+25N	−19B	3.0	19.5	19.5	4.00	851	0.0
25	Montes Temo, Ailin Fernanda	0	BOL	−6N	−28B	+30N	+39B	−14N	−24B	+33N	3.0	17.5	18.0	4.00	752	0.0
26	Rivero Negrete, Jonathan	0	BOL	=33N	−22B	=35N	+38B	−27B	+?N	F	3.0	11.0	11.0	2.50	1195	0.0
27	Aliaga Ortiz, Jorge Enrique	0	BOL	F	−4B	+24N	−22B	+26N	−6B	−15N	2.0	23.0	26.0	6.00	941	0.0
28	FIDE 3363040	0	—	−1B	+25N	−7B	−31N	F	+33B	F	2.0	19.0	20.0	4.50	847	0.0
29	FIDE 3363120	0	—	F	−19N	+36B	−12B	+31N	−11B	F	2.0	17.5	17.5	3.00	1047	0.0
30	FIDE 3370623	0	—	−2B	−21N	−25B	+?N	+38B	F	F	2.0	17.0	17.0	1.00	1193	0.0
31	FIDE 3370658	0	—	−13N	+32B	−20N	+28B	−29B	−21N	F	2.0	16.5	18.0	4.00	667	0.0
32	FIDE 3345769	0	—	−19B	−31N	−?N	F	+36B	−18B	+38N	2.0	11.0	11.0	2.00	899	0.0
33	FIDE 3368343	0	—	=26B	−8N	+39N	−13B	−23B	−28N	−25B	1.5	19.5	20.0	2.00	911	0.0
34	Montes Temo, Jhosep Luciano	0	BOL	−14B	−16N	F	−18B	F	=19N	+?B	1.5	17.0	17.0	1.75	1368	0.0
35	FIDE 3368432	0	—	F	−17N	=26B	−23N	+37B	F	F	1.5	14.5	14.5	2.50	900	0.0
36	FIDE 3370666	0	—	−7B	F	−29N	−24B	−32N	+37N	F	1.0	15.0	15.0	1.00	618	0.0
37	FIDE 3370631	0	—	−11N	+38B	−15N	−20B	−35N	−36B	−?B	1.0	15.0	15.0	1.00	855	0.0
38	FIDE 3370640	0	—	−18B	−37N	+?B	−26N	−30N	F	−32B	1.0	11.5	11.5	0.00	787	0.0
39	FIDE 3368440	0	—	F	−3N	−33B	−25N	=?N	F	F	0.5	10.0	10.0	0.00	836	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Rodriguez Barrientos, Johan RazielBOL
+114.4
5.5 pts · #1
2Cuellar Romero, SebastianBOL
+60.0
5.0 pts · #11
3Magne Alcoba, Yonatan IsraelBOL
+34.0
6.0 pts · #4

Top rating losers

1Ribera Rivero, WillanBOL
-86.4
4.0 pts · #16
2Velarde Alarcon, JhoanaBOL
-59.6
4.0 pts · #10
3Mamani Apaza, Douglas MiguelBOL
-36.4
3.0 pts · #31

Biggest upsets

R6+576 Elo gap
Cuellar Romero, Sebastian1418 beat Mamani Apaza, Douglas Miguel1994
R7+460 Elo gap
Cuellar Romero, Sebastian1418 beat Velarde Alarcon, Jhoana1878
R5+358 Elo gap
Rodriguez Barrientos, Johan Raziel1636 beat Mamani Apaza, Douglas Miguel1994