CChessStats

IV IRT Sub 1800 Cidade de Rio Verde

Open SwissStandard

24 players participated in this 6-round tournament, held from 31 Jan 2026 to 01 Feb 2026 in Rio Verde GO, Brazil. Top 10 Elo average was 1696, and top seed was Luis Miguel Gouveia Machado (🇧🇷 BRA, 1780).

Fagner Morel Matos (🇧🇷 BRA, 1622) won with 5.0/6, ahead of Gabriel Barretella Buzaneli (4.5) and Pablo De Araujo Ferreira (4.5). Matos shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 2: Sidenil Jose Dos Santos (1484) beat Davi Melo Mendonca (1699), a +215-point gap.

Location
🇧🇷Rio Verde GO, Brazil
Dates
31 Jan 2026 → 01 Feb 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇷Luis Miguel Gouveia Machado1780
Avg top 10
1,696
Participants
24
Federations · 1 represented
🇧🇷Brazil×20
Top 3

How it unfolded

Top 6 · 6 rounds

Fagner Morel Matos led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders
11
5
2
2
4
1
1.534.56R1R2R3R4R5R6
Matos5Ferreira4.5Barretella Buzaneli4.5Machado4Bocca4Araujo4
R6–R6 · LEAD HELD

Fagner Morel Matos held the sole lead from R6 through R6 without losing it.

R2–R6 · WIN STREAK

Fagner Morel Matos won 5 in a row (R2–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Fagner Morel Matos*——
1
2Pablo De Araujo Ferreira—*—
0
3Gabriel Barretella Buzaneli——*
½
4Luis Miguel Gouveia Machado
0
1
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Matos, Fagner Morel1622BRA−11N+16B+10N+17B+6N+4B5.016.018.015.002480+69.2
2Barretella Buzaneli, Gabriel1628BRA+15B+8N−5N+11B=4N+7B4.519.022.016.001817+40.0
3Ferreira, Pablo De Araujo1597BRA+20N+6B−4N+12N+13B=5B4.518.019.013.001846+33.4
4Machado, Luis Miguel Gouveia1780BRA+14B+19N+3B=7N=2B−1N4.021.023.013.751744-5.0
5Bocca, Edson Ricardo1653BRAF+9N+2B+8N=7B=3N4.021.021.016.751863+21.6
6Goncalves, Matheus Vieira1725BRA+24B−3N+15B+9N−1B+11N4.019.519.510.00810-52.4
7Campos,Otavio Moraes1692BRA+22B+10N+12B=4B=5N−2N4.018.519.511.001695+0.2
8Vieira, Ruiago1760BRA+18N−2B+14N−5B+16N+10B4.016.518.510.001465-46.0
9Araujo, Murillo Enrique Souza0BRA+17N−5B+13N−6B+14N+18B4.016.018.010.0016230.0
10Rosa, Jose Sebastiao Naves0BRA+13N−7B−1B+18N+12B−8N3.019.021.08.0016080.0
11De Castro, Cristiano Guimaraes0BRA+1B−12N+19B−2N+17N−6B3.018.520.59.0016520.0
12Pereira,Fabricio Torres1715BRA+16N+11B−7N−3B−10N+17B3.016.518.57.001483-37.2
13Mota,Pedro Vinicius Branquinho1612BRA−10B+21N−9B+15N−3N+16B3.016.517.56.00797-20.8
14Dos Santos, Sidenil Jose1484BRA−4N+23B−8B+20N−9B+19B3.015.015.03.001731+48.4
15FIDE 5380520320—−2N+18B−6N−13B+20B+24N3.014.514.53.008550.0
16Da Silva, Fabio De Moraes Vaz0BRA−12B−1N+23B+19N−8B−13N2.017.017.02.0015570.0
17De Freitas, Elvis Souza1535BRA−9B+22N+20B−1N−11B−12N2.016.017.02.00869-25.6
18Silva, Amanda Claro Da0BRA−8B−15N+21B−10B+23N−9N2.015.015.01.0017300.0
19Dias De Aquino, Ayr Alexandre1686BRA+23N−4B−11N−16B+21B−14N2.013.013.01.001531-24.4
20Pereira, Gabriel Arthur Silva0BRA−3BF−17N−14B−15N+23B1.012.512.50.0013870.0
21FIDE 5380256120—F−13B−18N+24B−19NF1.07.07.00.008490.0
22FIDE 5380823650—−7N−17B+24NFFF1.06.06.00.008140.0
23Mendonca, Davi Melo1699BRA−19B−14N−16NF−18B−20N0.010.010.00.00787-51.6
24FIDE 447734200—−6NF−22B−21NF−15B0.010.010.00.009250.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets