CChessStats

Campeonato Nacional Junior Absoluto 2025

Open SwissStandard

23 players participated in this 7-round tournament, held from 20 Nov 2025 to 23 Nov 2025 in Merida - Estado Merida, Venezuela. 3 titled players. Top 10 Elo average was 1956, and top seed was Mauricio Jose Vivas Gelves (🇻🇪 VEN, 2135).

Sebastian Francisco Borges Oliveros (🇻🇪 VEN, FM, 2015) won with 5.5/7, ahead of Richard Javier Singer Rojas (5.5) and Leonard David Ortiz Avila (5.5). Borges Oliveros shared the lead from round 6, winning on tie-break.

The biggest upset came in round 2: Samuel Elias Leon Duarte (1585) beat Luis Enrique Alexander Alvarez Romero (1949), a +364-point gap.

Location
🇻🇪Merida - Estado Merida, Venezuela
Dates
20 Nov 2025 → 23 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇻🇪Mauricio Jose Vivas Gelves2135
Avg top 10
1,956
Participants
23
Titled players · 3
FM×1
CM×2
Federations · 1 represented
🇻🇪Venezuela×22
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 3 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
11
6
3
2
2
3
3
23.55.57R1R2R3R4R5R6R7
Borges Oliveros5.5Singer Rojas5.5Ortiz Avila5.5Morales Velasquez5Vivas Gelves4.5Vidal Rusa4.5
R7 · TIEBREAK CLUSTER

3 players finish on 5.5/7. Borges Oliveros takes the title on Buchholz Cut1 (27.5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

FM Sebastian Francisco Borges Oliveros lost to CM Richard Javier Singer Rojas (White).

WIN STREAKS · 3 top finishers

FM Sebastian Francisco Borges Oliveros 4 wins (R3–R6)CM Richard Javier Singer Rojas 4 wins (R1–R4)Leonard David Ortiz Avila 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMSebastian Francisco Borges Oliveros*
0
½
1
2CMRichard Javier Singer Rojas
1
*
1
—
3Leonard David Ortiz Avila
½
0
*—
4Moises Aaron Morales Velasquez
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Borges Oliveros, Sebastian FranciscoFM2015VEN+18N−2B+14N+12B+4N+5N=3B5.527.529.020.752041+10.8
2Singer Rojas, Richard JavierCM1883VEN+22B+1N+15B+3N=5B=8N=6B5.527.028.021.502136+92.8
3Ortiz Avila, Leonard David1939VEN+11N+23B+12N−2B+6N+9B=1N5.527.027.018.752050+40.0
4Morales Velasquez, Moises Aaron1902VEN+19N−6B+23N+7B−1B+10N+5B5.024.524.514.502028+43.2
5Gonzalez Ariza, Diego Gabriel1871VEN+21N+7B+6N+10B=2N−1B−4N4.529.030.517.251993+51.2
6Vivas Gelves, Mauricio Jose2135VEN+13B+4N−5B+15N−3B+17N=2N4.527.029.516.751971-48.4
7Vidal Rusa, Gabriel Lorenzo1981VEN+17B−5N=13B−4N+19B+14N+8B4.523.024.513.251896-23.2
8Alvarez Romero, Luis Enrique Alexander1949VEN+16B−12N=17B+13N+15B=2B−7N4.023.025.513.501845-30.4
9Cedeno Cedeno, Santiago Leandro1931VEN−12B=16N+22B=17N+11B−3N+15B4.021.522.510.751761-49.2
10Campos Guanipa, Andres Eduardo1856VEN+20B−15N+21B−5N+16B−4B+12N4.020.522.09.501732-32.8
11Contreras Reyes, Jesus EnriqueCM1603VEN−3B−13N+20B+21N−9N+19B+16B4.019.020.57.501717+31.2
12Leon Duarte, Samuel Elias1585VEN+9N+8B−3B−1N=17B+13N−10B3.526.529.012.751883+98.0
13Cristancho Bolivar, Jesus David1795VEN−6N+11B=7N−8B+18N−12B+22N3.522.023.08.751782-5.6
14Azuaje Quintero, Abdiel Eduardo1719VEN−15B+20N−1B=16N+23N−7B+18B3.519.019.04.501719-4.0
15Echeto Hernandez, Irving Isaac1958VEN+14N+10B−2N−6B−8N+22B−9N3.025.526.58.501811-51.2
16Escalona Oviedo, Sebastian Francisco1633VEN−8N=9B+18N=14B−10N+20B−11N3.021.022.56.751677+9.6
17Murcia, Leonardo Adrian1729VEN−7N+19B=8N=9B=12N−6BF2.522.022.07.251799+11.2
18Lucero Carao, Angel Gabriel1754VEN−1B+22N−16B=19N−13BF−14N1.518.018.01.751508-77.2
19Zabala Leon, Javier Jesus1564VEN−4B−17NF=18B−7N−11N+23B1.517.517.50.751427-26.8
20Carreyo Ruiz, Victor Jesus0VEN−10N−14B−11N+23BF−16N=21B1.516.016.00.7512850.0
21Camacho Gonzalez, Jose Alejandro1444VEN−5BF−10N−11B−22N+23B=20N1.515.015.00.75892-36.4
22Camacho Montes, Santiago David1476VEN−2N−18B−9NF+21B−15N−13B1.019.019.01.501498-2.8
23FIDE 239233420—F−3N−4B−20N−14B−21N−19N0.018.518.50.009130.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets