CChessStats

Taca Joao Batista Ribeiro Neto 2026

Open SwissStandard

32 players participated in this 7-round tournament, held from 15 May 2026 to 17 May 2026 in Florianopolis SC, Brazil. 1 titled players from 5 federations. Top 10 Elo average was 1924, and top seed was Leandro Alvarez (πŸ‡¦πŸ‡· ARG, 2196).

Kaiser Luiz Mafra (πŸ‡§πŸ‡· BRA, CM, 2027) won with 5.5/7, ahead of Josue Henrique de Freitas Whately (5.5) and Raed Hataby (5.0). Mafra shared the lead from round 5, winning on tie-break.

The biggest upset came in round 1: Eduarda Frassetto (1698) beat Josue Henrique de Freitas Whately (2034), a +336-point gap.

Location
πŸ‡§πŸ‡·Florianopolis SC, Brazil
Dates
15 May 2026 β†’ 17 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡¦πŸ‡·Leandro Alvarez2196
Avg top 10
1,924
Participants
32
Titled players Β· 1
CMΓ—1
Federations Β· 5 represented
πŸ‡§πŸ‡·BrazilΓ—28
πŸ‡¦πŸ‡·ArgentinaΓ—1
πŸ‡¨πŸ‡±ChileΓ—1
πŸ‡ΈπŸ‡ΎSyriaΓ—1
πŸ‡§πŸ‡΄BoliviaΓ—1
Top 3

How it unfolded

Top 6 Β· 7 rounds

Tight race until R7; 2 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
10
4
2
2
3
2
2
23.55.57R1R2R3R4R5R6R7
Mafra5.5Whately5.5Telles5Hataby5Frassetto4.5Ferreira4.5
R7 Β· TIEBREAK CLUSTER

2 players finish on 5.5/7. Mafra takes the title on Buchholz Cut1 (27.0).

R7 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

CM Kaiser Luiz Mafra drew with Josue Henrique de Freitas Whately (Black).

WIN STREAKS Β· 2 top finishers

Josue Henrique de Freitas Whately 5 wins (R2–R6)Arnoldo Beber Telles 4 wins (R4–R7)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1CMKaiser Luiz Mafra*
Β½
1
β€”
2Josue Henrique de Freitas Whately
Β½
*β€”β€”
3Arnoldo Beber Telles
0
β€”*β€”
4Raed Hatabyβ€”β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Mafra, Kaiser LuizCM2027BRA+9N=14B+4N=8B+5N+10B=2N5.527.030.524.002106+14.8
2Whately, Josue Henrique de Freitas2034BRAβˆ’6B+17N+12B+11N+16B+8N=1B5.524.027.019.752012+2.4
3Hataby, Raed1912SYR+26N+28B+7N=5Bβˆ’8N=6B+10N5.023.524.516.001980+11.2
4Telles, Arnoldo Beber1861BRA+12Bβˆ’5Nβˆ’1B+27N+22B+16N+9B5.023.025.015.001832-1.6
5Arosteguy, Vitor Augusto Colaco1795BRA+25N+4B+29B=3Nβˆ’1Bβˆ’7N+17B4.525.026.013.501853+24.0
6Frassetto, Eduarda1698BRA+2N=18B=20B=21N+15B=3N=8B4.523.526.017.501909+74.4
7Ferreira, Angelo Augusto Pacheco1988BRA+32B+21Nβˆ’3B=16N+17B+5BF4.518.018.011.501903-7.0
8Alvarez, Leandro2196ARG+11N+10BF=1N+3Bβˆ’2B=6N4.028.028.017.502026-20.0
9Piccetti, Mateo1664BRAβˆ’1B+13N+23B=15N=11B+20Nβˆ’4N4.023.526.012.001699+9.2
10Orsini, Cesar Oliveira1835BRA+31Bβˆ’8N+22B+20N+21Bβˆ’1Nβˆ’3B4.022.022.07.501834+4.4
11Castilla Gallardo, Jorge Ignacio1722CHIβˆ’8B+31N+27Bβˆ’2B=9Nβˆ’17N+22B3.521.021.06.501795+9.4
12Favaretto, Felipe Della Preve1591BRAβˆ’4N+25Bβˆ’2N+24Bβˆ’20B+27N=23B3.519.521.57.251604-0.8
13Camasao,Francisco0BRAβˆ’14Nβˆ’9B+25N+19Bβˆ’18N=22N+24B3.518.020.08.2515890.0
14Vieira, Luana Saddi1742BRA+13B=1Nβˆ’16B+29NF+18BF3.516.016.010.251766+2.2
15Seara, Sophia Parisotto1739BRAFF+28N=9Bβˆ’6N+24B+26N3.513.513.57.001728-2.4
16Monteiro, Melissa1511BRAF+19B+14N=7Bβˆ’2Nβˆ’4B=18N3.024.524.510.251764+68.4
17Oliveira, Denyam Lauth0BRAFβˆ’2B+19N+30Bβˆ’7N+11Bβˆ’5N3.022.022.07.5017630.0
18Baratieri, Maria Vitoria1581BRAF=6Nβˆ’21B+23N+13Bβˆ’14N=16B3.019.519.59.751571-5.2
19Kinaki, Giannini Tonial1577BRAFβˆ’16Nβˆ’17Bβˆ’13N+31B+29N+20B3.013.013.03.501690+22.4
20Kisler Voges, Enzo Henrique1435BRAF+24B=6Nβˆ’10B+12Nβˆ’9Bβˆ’19N2.521.021.07.751597+44.0
21Romao, Hugo Egidio1853BRA+22Nβˆ’7B+18N=6Bβˆ’10NFF2.520.520.57.751738-28.4
22Abregu, Sofia Balbino de Barros1581BRAβˆ’21B+32Nβˆ’10N+28Bβˆ’4N=13Bβˆ’11N2.519.519.52.751540-10.4
23Correia, Vinicius Beling1409BRAFFβˆ’9Nβˆ’18B+25N+30B=12N2.513.513.54.751543+34.8
24Nicolodi, Yasmin Bondan1560BRAFβˆ’20N+26Bβˆ’12N+29Bβˆ’15Nβˆ’13N2.016.016.03.001516-12.8
25Naidon, Pietro Weber1421BRAβˆ’5Bβˆ’12Nβˆ’13B+32Nβˆ’23B+28NF2.015.015.01.001412-5.6
26De Freitas,Marcele Soares1610BRAβˆ’3BFβˆ’24N+31B+30NFβˆ’15B2.014.014.01.001557-17.2
27Bueno, Marcos Da Silva Inacio1548BRAFFβˆ’11Nβˆ’4B+28Nβˆ’12B+31N2.013.013.01.001470-18.0
28Ferreira Jacques, Ana Clara0BRAFβˆ’3Nβˆ’15Bβˆ’22Nβˆ’27Bβˆ’25B+30N1.016.016.01.0013370.0
29Salamanca Paraguayo, Mateo1566BOLF+30Bβˆ’5Nβˆ’14Bβˆ’24Nβˆ’19BF1.014.014.01.001387-44.4
30Kruk, Nicolas Tonial1460BRAFβˆ’29N+32Bβˆ’17Nβˆ’26Bβˆ’23Nβˆ’28B1.09.59.50.001359-20.4
31Naidon, Rafaela Weber1476BRAβˆ’10Nβˆ’11BFβˆ’26Nβˆ’19NFβˆ’27B0.014.514.50.00860-54.8
32Dhom Lemos,Frederico M Brescia1624BRAβˆ’7Nβˆ’22Bβˆ’30Nβˆ’25BFFF0.010.010.00.00813-85.6

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Taca Joao Batista Ribeiro Neto 2026 β€” Florianopolis SC, Brazil | Chess Tournament Results | ChessStats