CChessStats

La Costa Standard II

Open SwissStandard

21 players participated in this 5-round tournament, held from 23 Jul 2025 to 20 Aug 2025 in Ciudad de La Costa, Uruguay. Top 10 Elo average was 1832, and top seed was Ariel Miller (🇺🇾 URU, 2025).

Mateo Varela (🇺🇾 URU, 1907) won with 4.0/5, ahead of Victor Rodriguez Farias (3.5) and Mauricio Errazola (3.0). Varela shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 2: Eduard Buller (1692) beat Ariel Miller (2025), a +333-point gap.

Location
🇺🇾Ciudad de La Costa, Uruguay
Dates
23 Jul 2025 → 20 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇾Ariel Miller2025
Avg top 10
1,832
Participants
21
Federations · 1 represented
🇺🇾Uruguay×21
Top 3

How it unfolded

Top 6 · 5 rounds

Mateo Varela led from R5; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.

Co-leaders
6
3
1
4
1
1.52.545R1R2R3R4R5Varela takes lead
R5 · LEADER CHANGE20 Aug

Mateo Varela takes the sole lead (4.0/5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Mateo Varela beat Victor Rodriguez Farias (White).

WIN STREAKS · 2 top finishers

Mateo Varela 4 wins (R1–R5)Mauricio Errazola 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Varela, Mateo1907URU+8N+2BF+3N+6B4.011.514.011.502613+61.6
2Rodriguez Farias, Victor1910URU+7B1N=12B+18N+4B3.511.512.57.501841-6.6
3Errazola, Mauricio1911URU+10N+17B+4N1BF3.012.513.56.5018960.0
4Buller, Eduard1692URU+20N+13B3B+17N2N3.09.510.03.501849+30.0
5Blanco, Rudemar Ernesto1716URU=14B+21N+18B=6NF3.08.08.03.001819+2.8
6Perez Selios, Luis1818URUF+14N+11B=5B1N2.511.011.05.501778-3.4
7Werle, Carolin1637URU2N+20B+16N9B=8N2.510.010.53.251522-16.8
8Gutierrez, Ignacio1610URU1B12N+20B+19N=7B2.59.09.52.251630+0.6
9Ibarburu, Nahuel1865URU+19BFF+7N=12N2.59.09.04.001927+4.2
10Vieira, Emiliano1663URU3B=19N+14B+16NF2.58.08.53.251552-12.4
11Cicero, Carlos1711URU=18N+15B6N13B+17B2.57.08.03.001776+12.0
12Cano, Carlos1747URU17N+8B=2NF=9B2.010.011.05.501734-1.2
13Miller, Ariel2025URUF4N+19B+11NF2.08.58.53.001801-26.4
14Bobba, Pablo0URU=5N6B10N+21BF1.59.59.51.5014600.0
15Zoppolo, Cedric1710URU=16B11N+21BFF1.57.57.50.75911-10.0
16Grela, Matias0URU=15NF7B10B+21N1.56.56.50.7513970.0
17Mazzeo, Jose1549URU+12B3NF4B11N1.010.510.52.001572+1.2
18Correa, Mario0URU=11BF5N2B=20N1.09.59.51.5015060.0
19Werle, Julius1578URU9N=10B13N8BF0.59.59.51.251457-23.2
20Luzardo, Martin0URU4B7N8NF=18B0.59.09.00.508460.0
21Alonso, Daniel0URUF5B15N14N16B0.07.57.50.009130.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets