CChessStats

Grand Prix Nacional de Ajedrez 2026-2027 (4to. Torneo)

Open SwissStandard

24 players participated in this 6-round tournament, held from 08 May 2026 to 10 May 2026 in Trinidad, Bolivia. 6 titled players. Top 10 Elo average was 1922, and top seed was Ariel Martinez (🇧🇴 BOL, CM, 2104).

Ariel Martinez (🇧🇴 BOL, CM, 2104) won with 5.0/6, ahead of Pavel Andres Achocalla Huaipara (5.0) and Javier A. Monroy G. (4.5). Martinez shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Sarai Barros Jardi Arce (1669) beat Boris Ferrufino (CM, 1941), a +272-point gap.

Location
🇧🇴Trinidad, Bolivia
Dates
08 May 2026 → 10 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇴CMAriel Martinez2104
Avg top 10
1,922
Participants
24
Titled players · 6
CM×4
WIM×1
WCM×1
Federations · 1 represented
🇧🇴Bolivia×23
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
11
5
2
3
1
2
1.534.56R1R2R3R4R5R6
Achocalla Huaipara5Martinez5Monroy G.4.5Barros Jardi Arce4.5El Hage Serrano4Laura Cabrera4
R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Martinez takes the title on Buchholz Cut1 (21.5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Pavel Andres Achocalla Huaipara lost to CM Ariel Martinez (White).

WIN STREAKS · 2 top finishers

Pavel Andres Achocalla Huaipara 4 wins (R3–R6)CM Ariel Martinez 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Pavel Andres Achocalla Huaipara*
0
——
2CMAriel Martinez
1
*
1
½
3CMJavier A. Monroy G.—
0
*
1
4Sarai Barros Jardi Arce—
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Martinez, ArielCM2104BOL+16B+2N+5B=8N+3B=4B5.021.523.519.502149+7.8
2Achocalla Huaipara, Pavel Andres1921BOL+13N−1B+10N+17B+9N+8B5.017.519.514.502059+23.4
3Monroy G., Javier A.CM2029BOL+4N+11B=9N+7B−1N+10B4.519.522.516.002033+4.2
4Barros Jardi Arce, Sarai1669BOL−3B+20N+11N+22B+8B=1N4.518.019.512.502026+43.2
5Cordero, DanielaWIM1950BOL+17N+12B−1N=9B=6N+22B4.017.018.510.001869-7.0
6Laura Cabrera, Jhon Magno1891BOL+15N=10B−8N+11B=5B+12N4.016.519.012.001934+18.8
7El Hage Serrano, CaelyWCM1895BOL=18B=14N+16B−3N+19N+9B4.014.016.09.251808-17.6
8Ferrufino, BorisCM1941BOL+22B+21N+6B=1B−4N−2N3.520.522.010.001874-7.4
9Cuellar Romero, Sebastian1507BOL+14B+18N=3B=5N−2B−7N3.020.022.08.751801+75.6
10Yucra Valdes, Diego AlonsoCM1979BOL+19B=6N−2B=14N+17B−3N3.018.020.07.251801-49.2
11Ribera Rivero, Willan1766BOL+20B−3N−4B−6N+24B+16N3.017.017.04.001632-28.8
12Guarachi Flores, Alejandro1729BOL+23B−5N−22N+13B+18N−6B3.014.515.56.001620-29.6
13Rojas Quispe, Leonardo1559BOL−2B−16N+24B−12N+20B+21N3.014.014.04.001582+2.4
14Chavez Ruiz, Carlos Brajob1712BOL−9N=7B+15N=10B=22N−19B2.514.516.06.751617-32.4
15Aliaga Ortiz, Jorge Enrique1443BOL−6B=19N−14B+20N−21N+23B2.512.513.54.001413-5.6
16Rodriguez Barrientos, Johan Raziel1710BOL−1N+13B−7N−18B+23N−11B2.017.018.04.001521-50.0
17Leyva Ojopi, Iker Emiliano1610BOL−5B+23N+21B−2N−10NF2.016.017.03.001705+12.8
18Arellano Sejas, Ana Valeria1480BOL=7N−9B=19B+16N−12BF2.014.016.05.001622+15.6
19Bernachi Menacho, Letizia1643BOL−10N=15B=18NF−7B+14N2.014.016.04.751630-7.6
20Bernal Jauregui, Natalia0BOL−11N−4B+23N−15B−13N+24B2.014.014.01.008090.0
21Condori Calderon, Jhoel1740BOL+24N−8B−17NF+15B−13B2.013.013.02.501445-30.2
22Duran Alcazar, Darwin Gabriel1579BOL−8NF+12B−4N=14B−5N1.517.517.54.251651+12.0
23Quenta Sullcani, Alan Augusto0BOL−12N−17B−20B+24N−16B−15N1.011.511.50.008230.0
24FIDE 33683600—−21BF−13N−23B−11N−20N0.011.512.50.008880.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets