CChessStats

Nacional Senior 50 2025

Open SwissStandard

18 players participated in this 6-round tournament, held from 18 May 2025 to 20 May 2025 in Santiago, Chile. 4 titled players. Top 10 Elo average was 1935, and top seed was Enrique Alfredo Farfan Ortiz (🇨🇱 CHI, CM, 2061).

Sergio Caceres Vasquez (🇨🇱 CHI, FM, 1948) won with 4.5/6, ahead of Cristhian Montero Martinez (4.5) and Enrique Alfredo Farfan Ortiz (4.0). Caceres Vasquez shared the lead from round 5, winning on tie-break.

The biggest upset came in round 2: Claudio Javier Orpinas Konig (CM, 1868) beat Hanssel Amaro Troncoso (1973), a +105-point gap.

Location
🇨🇱Santiago, Chile
Dates
18 May 2025 → 20 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇨🇱CMEnrique Alfredo Farfan Ortiz2061
Avg top 10
1,935
Participants
18
Titled players · 4
FM×2
CM×2
Federations · 1 represented
🇨🇱Chile×17
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 4.5/6, decided on Buchholz.

Co-leaders
7
2
3
1
2
2
1.534.56R1R2R3R4R5R6
R6 · TIEBREAK CLUSTER

2 players finish on 4.5/6. Caceres Vasquez takes the title on Buchholz Cut1 (19.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

FM Sergio Caceres Vasquez drew with FM Cristhian Montero Martinez (White).

R1–R6 · UNBEATEN

FM Sergio Caceres Vasquez went unbeaten across 6 games (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMSergio Caceres Vasquez*
½
½
—
2FMCristhian Montero Martinez
½
*——
3CMEnrique Alfredo Farfan Ortiz
½
—*
1
4Alfredo Mondaca Gonzalez——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Caceres Vasquez, SergioFM1948CHI+9N=4B=3N+11B+7N=2B4.519.022.015.752122+26.8
2Montero Martinez, CristhianFM1996CHI+10N+11B=7N=9B+6B=1N4.517.520.515.002078+12.0
3Farfan Ortiz, Enrique AlfredoCM2061CHI=6B+5N=1B=10N=4B+9N4.019.022.014.502008-7.8
4Andaur Vega, Claudio1892CHI+12B=1N−6B+15B=3N+10N4.017.519.511.752015+16.8
5Mondaca Gonzalez, Alfredo1894CHI+14N−3B−9N+17B+11N+6N4.015.517.010.001902+3.2
6Orpinas Konig, Claudio JavierCM1868CHI=3N+15B+4N+7B−2N−5B3.520.022.011.502011+23.6
7Perez De Armas , Oreste1905CHI+17N+8B=2B−6N−1B+12N3.518.520.09.751847-10.8
8Bordoli Aqueveque, Jorge1919CHI+13B−7N−10B+16N=12B+14N3.513.515.57.751783-12.4
9Palape Palacios, Gustavo1825CHI−1B+18N+5B=2N=10B−3B3.020.020.07.751881+7.2
10Pereira Cid, Fabian1867CHI−2B+16N+8N=3B=9N−4B3.019.021.09.001922+8.6
11Bulgarini Torre, Marco1896CHI+18B−2N+12B−1N−5B+13N3.018.018.05.001647-23.8
12Riveros Valdebenito, Patricio0CHI−4N+17B−11N+14B=8N−7B2.516.017.55.2516740.0
13Martinez Rodriguez, Edmundo1521CHI−8N=14B−15N+18B+17N−11B2.512.012.02.501617+4.2
14Gonzalez Rosas, Erick Benito0CHI−5B=13N=16B−12N+15N−8B2.014.516.54.2517570.0
15Amaro Troncoso, Hanssel1973CHI=16B−6N+13B−4N−14B=17N2.014.015.54.251677-35.4
16Valenzuela Torres, Eugenio1839CHI=15N−10B=14N−8B+18NF2.010.510.52.001647-13.4
17Meneses Gonzalez, Cristian Ronny1501CHI−7B−12N+18B−5N−13B=15B1.514.514.51.001483-8.4
18FIDE 34781060—−11N−9B−17N−13N−16BF0.012.012.00.009170.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Nacional Senior 50 2025 — Santiago, Chile | Chess Tournament Results | ChessStats