CChessStats

103 Aniversario del CBR

Open SwissStandard

19 players participated in this 5-round tournament, held from 20 May 2025 to 17 Jun 2025 in Montevideo, Uruguay. Top 10 Elo average was 1729, and top seed was Andres Romaniello (🇺🇾 URU, 2004).

Luis Rodriguez Lazo (🇺🇾 URU, 1955) won with 5.0/5, ahead of Federico Roselli (3.0) and Jorge Rodriguez Rearden (3.0). Rodriguez Lazo won solo starting round 3.

The biggest upset came in round 1: Federico Roselli (1449) beat Andres Romaniello (2004), a +555-point gap.

Location
🇺🇾Montevideo, Uruguay
Dates
20 May 2025 → 17 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇾Andres Romaniello2004
Avg top 10
1,729
Participants
19
Federations · 1 represented
🇺🇾Uruguay×12
Top 3

How it unfolded

Top 6 · 5 rounds

Luis Rodriguez Lazo led from R3; +2.0-point edge over the runner-up.

Co-leaders
7
2
1
1
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Luis Rodriguez Lazo never relinquished the lead after R3; final gap +2.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Luis Rodriguez Lazo beat Federico Roselli (Black).

R1–R5 · WIN STREAK

Luis Rodriguez Lazo won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Luis Rodriguez Lazo*
1
—
1
2Federico Roselli
0
*
½
—
3Manuel Scarani—
½
*—
4Jorge Rodriguez Rearden
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Rodriguez Lazo, Luis1955URU+18N+3B+8N+4B+2N5.011.511.511.502472+14.4
2Roselli, Federico1449URU+6N=9B+13N=5N−1B3.013.514.56.751800+41.6
3Rodriguez Rearden, Jorge1507URU+10B−1N+19B+9N−6B3.012.512.54.501730+12.8
4Solari, Pablo1783URU+7N+12BF−1N+5B3.012.012.07.001769-0.6
5Scarani, Manuel1582URU+15N=8B+9N=2B−4N3.011.012.06.251694+22.8
6Romaniello, Andres2004URU−2B+16N+10BF+3N3.09.09.55.501604-33.6
7FIDE 30336940—−4B+17N+14NF+12B3.05.55.52.509830.0
8Rey, Fernando1794URU+17B=5N−1B+19N−11B2.510.510.52.001524-19.6
9Sei Fong, Ken1751URU+16B=2N−5B−3B+13N2.510.010.53.001450-62.4
10FIDE 30348520—−3N+18B−6N−13B+14N2.08.08.01.009070.0
11Melani, Mauro1854URUF+14BFF+8N2.03.53.53.502594+16.8
12Rodriguez Greco, Ivan0URUF−4N+15BF−7N1.010.010.01.009830.0
13Dominguez, Sebastian1611URUFF−2B+10N−9B1.07.57.52.00800-40.8
14FIDE 30339100—F−11N−7B+18N−10B1.07.07.00.0010540.0
15FIDE 30337080—−5BF−12NF+19B1.04.04.00.007820.0
16Moron, Alex0URU−9N−6B=17NFF0.56.06.00.2510780.0
17FIDE 30348790—−8N−7B=16BFF0.56.06.00.259940.0
18FIDE 30348600—−1B−10NF−14BF0.08.08.00.0011550.0
19FIDE 30353010—FF−3N−8B−15N0.06.56.50.008510.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
103 Aniversario del CBR (2025) — Montevideo, Uruguay | Chess Tournament Results | ChessStats