CChessStats

Final Anual do Campeonato Guacuano de Xadrez CBX FIDE

Round-RobinStandard

6 players participated in this 5-round tournament, held from 05 Dec 2025 to 07 Dec 2025 in Mogi Guacu SP, Brazil. Top 10 Elo average was 1719, and top seed was Diogo Martin Chagas (🇧🇷 BRA, 1863).

Diogo Martin Chagas (🇧🇷 BRA, 1863) won with 5.0/5, ahead of Gabriel Guarnieri Silv Francisco (3.0) and Rames Fialho De Freitas (2.5). Chagas won solo starting round 2.

The biggest upset came in round 2: Evandro Rosseto (1721) beat Rames Fialho De Freitas (1851), a +130-point gap.

Location
🇧🇷Mogi Guacu SP, Brazil
Dates
05 Dec 2025 → 07 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 5 rounds
Top seed
🇧🇷Diogo Martin Chagas1863
Avg top 10
1,719
Participants
6
Federations · 1 represented
🇧🇷Brazil×6
Top 3

How it unfolded

Top 6 · 5 rounds

Diogo Martin Chagas led from R2 onwards, the title was decided early.

Co-leaders
3
1
1
1
1
#1#2#3#6R1R2R3R4R5
Chagas#1Francisco#2De Freitas#3Vaz#4Rosseto#5Trindade#6
R2–R5 · LEAD HELD

Diogo Martin Chagas never relinquished the lead after R2; final gap +2.0 over the runner-up.

R4 · DECISIVE LEAD07 Dec

Diogo Martin Chagas opens a +1.5-point gap over the chasing pack (closest: Rames Fialho De Freitas); the title is out of reach before R5.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Diogo Martin Chagas beat Gabriel Guarnieri Silv Francisco (White).

Cross-table

#PlayerElo123456PtsSBBhΔ EloPerf
1🇧🇷Chagas, Diogo Martin1863*111115.09.009.0+56.82491
2🇧🇷Francisco, Gabriel Guarnieri Silv15860*½1½13.04.0011.0+60.01818
3🇧🇷De Freitas, Rames Fialho18510½*1012.53.5011.5-20.01693
4🇧🇷Vaz, Pedro Henrique Lins1607000*112.01.5012.0+14.01670
5🇧🇷Rosseto, Evandro17210½10*—1.54.0012.5-18.81640
6🇧🇷Trindade, Renan16880000—*0.00.0014.0-72.0927

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets