CChessStats

IV IRT do GM Milos

Open SwissStandard

22 players participated in this 5-round tournament, held from 25 Jul 2025 to 27 Jul 2025 in Sao Paulo SP, Brazil. 4 federations represented. Top 10 Elo average was 1893, and top seed was Francisco Ferrari Pironti (🇧🇷 BRA, 2113).

Guilherme Martins G Oliveira (🇧🇷 BRA, 1967) won with 5.0/5, ahead of Aiman Mohamed El Zwei (4.0) and Rodrigo Canonico (3.5). Oliveira won solo starting round 3.

The biggest upset came in round 1: Rafael Klanfer Nunes (1753) beat Francisco Ferrari Pironti (2113), a +360-point gap.

Location
🇧🇷Sao Paulo SP, Brazil
Dates
25 Jul 2025 → 27 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇧🇷Francisco Ferrari Pironti2113
Avg top 10
1,893
Participants
22
Federations · 4 represented
🇧🇷Brazil×19
🇨🇴Colombia×1
🇦🇷Argentina×1
🇱🇾Libya×1
Top 3

How it unfolded

Top 6 · 5 rounds

Guilherme Martins G Oliveira led from R3; +1.0-point edge over the runner-up.

Co-leaders
6
3
1
1
1
1.52.545R1R2R3R4R5
Oliveira5El Zwei4Canonico3.5Malachias3Jimenez3Alves3
R3–R5 · LEAD HELD

Guilherme Martins G Oliveira never relinquished the lead after R3; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

Guilherme Martins G Oliveira 5 wins (R1–R5)Rodrigo Canonico 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Guilherme Martins G Oliveira*——
1
2Aiman Mohamed El Zwei—*—
½
3Rodrigo Canonico——*
0
4Celso Dos Santos Malachias
0
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Oliveira, Guilherme Martins G1967BRA+14B+13N+5B+6N+4B5.010.512.012.002587+23.4
2El Zwei, Aiman Mohamed2010LBA=15B+19N+7B=4N+5B4.010.511.59.252124+9.8
3Canonico, Rodrigo1772BRA−4B=14N+22B+13N+11B3.58.08.04.251885+7.4
4Malachias, Celso Dos Santos0BRA+3N=6B+11N=2B−1N3.015.517.59.0018600.0
5Jimenez, Daniel2003COL+8N+9B−1N+7B−2N3.015.017.58.501921-8.6
6Alves, Ricardo C Chaves A de Arruda1881BRA+18B=4N+16B−1B=8N3.012.513.55.501799-13.2
7Ruvieri, Daniel Minami1864BRA+21N+12B−2N−5N+18B3.010.011.04.001775-14.0
8De Souza, Ricardo Alves1650BRA−5B+18N=15B+20N=6B3.08.59.54.251778+11.6
9Nunes, Rafael Klanfer1753BRA+17B−5NF=14N+20B2.57.07.03.251918+11.0
10Casarin, Luis Marcio Pinhatti1890BRAF+15N=13B−11N+19B2.56.57.53.251693-17.4
11Gomes, Catarina Crote1572BRAF+22N−4B+10B−3N2.09.09.02.501831+25.2
12Anrique, David Lionel0ARGF−7N=17B=16N+14B2.07.57.53.0018150.0
13Gomes, Luis Gustavo Turella1626BRAF−1B=10N−3B+22N1.513.513.51.251603-4.4
14Isobe, Lucas Kenzo1637BRA−1N=3B=21N=9B−12N1.513.014.03.501669+3.2
15Da Silva, Joao Pedro M Soares1673BRA=2N−10B=8N−18B=21N1.510.511.54.001578-28.8
16Soares, Eduardo Fernandes1646BRAF+20B−6N=12BF1.56.06.02.001081-8.4
17Pironti, Francisco Ferrari2113BRA−9N+21B=12NFF1.55.55.52.001733-32.8
18Takahara, Fabio1553BRA−6N−8BF+15N−7N1.010.510.51.501574+0.8
19Corsini,Gabriel Da Costa1521BRAF−2B−20N+21B−10N1.08.58.51.001657+13.6
20Garrido, Caio Dias0BRAF−16N+19B−8B−9N1.08.08.01.0014500.0
21Damasio, Fabio Ferreira1534BRA−7B−17N=14B−19N=15B1.07.58.51.501486-7.8
22Gomes, Simone Barreto Crote0BRAF−11B−3NF−13B0.07.07.00.008560.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets