CChessStats

III Campeonato Tocantinense de Xadrez 2026 U20

Open SwissStandard

7 players participated in this 5-round tournament, held from 28 Mar 2026 to 29 Mar 2026 in Palmas TO, Brazil. Top 10 Elo average was 938, and top seed was Samuel Oliveira Borges Silveira (🇧🇷 BRA, 1770).

Willian Alves Martins (🇧🇷 BRA, 1730) won with 4.0/5, ahead of Benjamin Leite Bibikow (3.5) and Elisa Queiroz Costa (2.5). Martins won solo starting round 2.

The biggest upset came in round 4: Elisa Queiroz Costa (1481) beat Yanni Queiroz Costa (1586), a +105-point gap.

Location
🇧🇷Palmas TO, Brazil
Dates
28 Mar 2026 → 29 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Avg top 10
938
Participants
7
Federations · 1 represented
🇧🇷Brazil×7
Top 3

How it unfolded

Top 6 · 5 rounds

Willian Alves Martins led from R2; +0.5-point edge over the runner-up.

Co-leaders
3
1
1
1
1
1.52.545R1R2R3R4R5
R2–R5 · LEAD HELD

Willian Alves Martins held the sole lead from R2 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Willian Alves Martins lost to Benjamin Leite Bibikow (Black).

R1–R3 · WIN STREAK

Willian Alves Martins won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Martins, Willian Alves1730BRA+5B+4N+6B2N+3B4.09.511.07.502413+42.4
2Bibikow, Benjamin Leite0BRA4B+5N=3N+1B+7B3.510.010.06.7515990.0
3Costa, Elisa Queiroz1481BRA+7B6N=2B+4N1N2.511.011.03.751571+11.6
4Costa, Yanni Queiroz1586BRA+2N1B+7N3BF2.010.010.03.50806-38.0
5Pereira Alves, Julia Whanmylla0BRA1N2BF+7N=6B1.59.09.00.7515570.0
6Silveira, Samuel Oliveira Borges1770BRAF+3B1NF=5N1.58.08.03.251606-16.0
7Paiva, Alvaro Jose Rocha0BRA3NF4B5B2N0.09.59.50.007340.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets