CChessStats

Mayor 2025 Club de Ajedrez Capablanca Trelew

Open SwissStandard

16 players participated in this 7-round tournament, held from 13 Sept 2025 to 21 Sept 2025 in Trelew Chubut, Argentina. Top 10 Elo average was 1921, and top seed was Eugenio Crespo (🇦🇷 ARG, 2185).

Eugenio Crespo (🇦🇷 ARG, 2185) won with 6.5/7, ahead of Alfonso Uzcudun (5.5) and Miguel Angel Gomez (4.0). Crespo won solo starting round 3.

The biggest upset came in round 1: Enzo Huichulef (1660) beat Walter Jaramillo (1895), a +235-point gap.

Location
🇦🇷Trelew Chubut, Argentina
Dates
13 Sept 2025 → 21 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇦🇷Eugenio Crespo2185
Avg top 10
1,921
Participants
16
Federations · 1 represented
🇦🇷Argentina×16
Top 3

How it unfolded

Top 6 · 7 rounds

Eugenio Crespo led from R3; +1.0-point edge over the runner-up.

Co-leaders
7
3
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
R3–R7 · LEAD HELD

Eugenio Crespo never relinquished the lead after R3; final gap +1.0 over the runner-up.

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Eugenio Crespo beat Alfonso Uzcudun (White).

WIN STREAKS · 2 top finishers

Eugenio Crespo 4 wins (R1–R4)Alfonso Uzcudun 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Crespo, Eugenio2185ARG+4N+2B+3N+9B=6N+5B+12N6.523.526.024.252314+13.4
2Uzcudun, Alfonso1955ARG+5B1N+15B+13N+3B=6N+4N5.523.525.517.252118+56.8
3Gomez, Miguel Angel1955ARG+11N+10B1B+4N2N=8B=6B4.025.027.512.251966+5.2
4Laurin, Ramiro1812ARG1B+13N+7B3B+8N+10N2B4.025.027.011.001952+50.0
5De Los Santos, Jeremias1782ARG2N9B+11N+14B+13N1N=8B3.522.524.58.001853+22.0
6Pirola, Marcos2057ARG+8B+7NFF=1B=2B=3N3.522.522.514.502116+8.4
7Sommariva, Rene1946ARG+14N6B4N8B+16B=9N+10B3.518.019.07.001813-23.0
8Nock, Pablo1796ARG6N+14BF+7N4B=3N=5N3.020.520.59.251874+11.8
9Jaramillo, Walter1895ARG13B+5N+12B1NF=7B=11N3.020.520.59.001854-7.0
10Rojo, Lautaro1819ARG+16N3N13B+15N=12B4B7N2.518.019.04.251687-25.6
11Munoz, Mauricio1790ARG3B+16N5B12N=15B=14N=9B2.517.018.04.501680-21.6
12Pilquiman, Enzo1761ARGFF9N+11B=10N+13B1B2.516.516.55.751865+11.6
13Huichulef, Enzo1660ARG+9N4B+10N2B5B12N16B2.021.022.05.501648-8.4
14Pistone, Mateo1691ARG7B8N+16B5NF=11B=15N2.015.515.53.251659-11.6
15Mansilla, Marcos1767ARGFF2N10B=11N+16N=14B2.013.513.53.251703-18.4
16Moreno, Lucas1620ARG10B11B14NF7N15B+13N1.014.514.52.001506-31.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets