Taca Joao Batista Ribeiro Neto 2026
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 (🇦🇷 ARG, 2196).
Kaiser Luiz Mafra (🇧🇷 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.
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How it unfolded
Top 6 · 7 roundsTight 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.
2 players finish on 5.5/7. Mafra takes the title on Buchholz Cut1 (27.0).
CM Kaiser Luiz Mafra drew with Josue Henrique de Freitas Whately (Black).
Josue Henrique de Freitas Whately 5 wins (R2–R6)Arnoldo Beber Telles 4 wins (R4–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMKaiser Luiz Mafra | * | ½ | 1 | — |
| 2Josue Henrique de Freitas Whately | ½ | * | — | — |
| 3Arnoldo Beber Telles | 0 | — | * | — |
| 4Raed Hataby | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mafra, Kaiser LuizCM | 2027 | BRA | +9N | =14B | +4N | =8B | +5N | +10B | =2N | 5.5 | 27.0 | 30.5 | 24.00 | 2106 | +14.8 |
| 2 | Whately, Josue Henrique de Freitas | 2034 | BRA | −6B | +17N | +12B | +11N | +16B | +8N | =1B | 5.5 | 24.0 | 27.0 | 19.75 | 2012 | +2.4 |
| 3 | Hataby, Raed | 1912 | SYR | +26N | +28B | +7N | =5B | −8N | =6B | +10N | 5.0 | 23.5 | 24.5 | 16.00 | 1980 | +11.2 |
| 4 | Telles, Arnoldo Beber | 1861 | BRA | +12B | −5N | −1B | +27N | +22B | +16N | +9B | 5.0 | 23.0 | 25.0 | 15.00 | 1832 | -1.6 |
| 5 | Arosteguy, Vitor Augusto Colaco | 1795 | BRA | +25N | +4B | +29B | =3N | −1B | −7N | +17B | 4.5 | 25.0 | 26.0 | 13.50 | 1853 | +24.0 |
| 6 | Frassetto, Eduarda | 1698 | BRA | +2N | =18B | =20B | =21N | +15B | =3N | =8B | 4.5 | 23.5 | 26.0 | 17.50 | 1909 | +74.4 |
| 7 | Ferreira, Angelo Augusto Pacheco | 1988 | BRA | +32B | +21N | −3B | =16N | +17B | +5B | F | 4.5 | 18.0 | 18.0 | 11.50 | 1903 | -7.0 |
| 8 | Alvarez, Leandro | 2196 | ARG | +11N | +10B | F | =1N | +3B | −2B | =6N | 4.0 | 28.0 | 28.0 | 17.50 | 2026 | -20.0 |
| 9 | Piccetti, Mateo | 1664 | BRA | −1B | +13N | +23B | =15N | =11B | +20N | −4N | 4.0 | 23.5 | 26.0 | 12.00 | 1699 | +9.2 |
| 10 | Orsini, Cesar Oliveira | 1835 | BRA | +31B | −8N | +22B | +20N | +21B | −1N | −3B | 4.0 | 22.0 | 22.0 | 7.50 | 1834 | +4.4 |
| 11 | Castilla Gallardo, Jorge Ignacio | 1722 | CHI | −8B | +31N | +27B | −2B | =9N | −17N | +22B | 3.5 | 21.0 | 21.0 | 6.50 | 1795 | +9.4 |
| 12 | Favaretto, Felipe Della Preve | 1591 | BRA | −4N | +25B | −2N | +24B | −20B | +27N | =23B | 3.5 | 19.5 | 21.5 | 7.25 | 1604 | -0.8 |
| 13 | Camasao,Francisco | 0 | BRA | −14N | −9B | +25N | +19B | −18N | =22N | +24B | 3.5 | 18.0 | 20.0 | 8.25 | 1589 | 0.0 |
| 14 | Vieira, Luana Saddi | 1742 | BRA | +13B | =1N | −16B | +29N | F | +18B | F | 3.5 | 16.0 | 16.0 | 10.25 | 1766 | +2.2 |
| 15 | Seara, Sophia Parisotto | 1739 | BRA | F | F | +28N | =9B | −6N | +24B | +26N | 3.5 | 13.5 | 13.5 | 7.00 | 1728 | -2.4 |
| 16 | Monteiro, Melissa | 1511 | BRA | F | +19B | +14N | =7B | −2N | −4B | =18N | 3.0 | 24.5 | 24.5 | 10.25 | 1764 | +68.4 |
| 17 | Oliveira, Denyam Lauth | 0 | BRA | F | −2B | +19N | +30B | −7N | +11B | −5N | 3.0 | 22.0 | 22.0 | 7.50 | 1763 | 0.0 |
| 18 | Baratieri, Maria Vitoria | 1581 | BRA | F | =6N | −21B | +23N | +13B | −14N | =16B | 3.0 | 19.5 | 19.5 | 9.75 | 1571 | -5.2 |
| 19 | Kinaki, Giannini Tonial | 1577 | BRA | F | −16N | −17B | −13N | +31B | +29N | +20B | 3.0 | 13.0 | 13.0 | 3.50 | 1690 | +22.4 |
| 20 | Kisler Voges, Enzo Henrique | 1435 | BRA | F | +24B | =6N | −10B | +12N | −9B | −19N | 2.5 | 21.0 | 21.0 | 7.75 | 1597 | +44.0 |
| 21 | Romao, Hugo Egidio | 1853 | BRA | +22N | −7B | +18N | =6B | −10N | F | F | 2.5 | 20.5 | 20.5 | 7.75 | 1738 | -28.4 |
| 22 | Abregu, Sofia Balbino de Barros | 1581 | BRA | −21B | +32N | −10N | +28B | −4N | =13B | −11N | 2.5 | 19.5 | 19.5 | 2.75 | 1540 | -10.4 |
| 23 | Correia, Vinicius Beling | 1409 | BRA | F | F | −9N | −18B | +25N | +30B | =12N | 2.5 | 13.5 | 13.5 | 4.75 | 1543 | +34.8 |
| 24 | Nicolodi, Yasmin Bondan | 1560 | BRA | F | −20N | +26B | −12N | +29B | −15N | −13N | 2.0 | 16.0 | 16.0 | 3.00 | 1516 | -12.8 |
| 25 | Naidon, Pietro Weber | 1421 | BRA | −5B | −12N | −13B | +32N | −23B | +28N | F | 2.0 | 15.0 | 15.0 | 1.00 | 1412 | -5.6 |
| 26 | De Freitas,Marcele Soares | 1610 | BRA | −3B | F | −24N | +31B | +30N | F | −15B | 2.0 | 14.0 | 14.0 | 1.00 | 1557 | -17.2 |
| 27 | Bueno, Marcos Da Silva Inacio | 1548 | BRA | F | F | −11N | −4B | +28N | −12B | +31N | 2.0 | 13.0 | 13.0 | 1.00 | 1470 | -18.0 |
| 28 | Ferreira Jacques, Ana Clara | 0 | BRA | F | −3N | −15B | −22N | −27B | −25B | +30N | 1.0 | 16.0 | 16.0 | 1.00 | 1337 | 0.0 |
| 29 | Salamanca Paraguayo, Mateo | 1566 | BOL | F | +30B | −5N | −14B | −24N | −19B | F | 1.0 | 14.0 | 14.0 | 1.00 | 1387 | -44.4 |
| 30 | Kruk, Nicolas Tonial | 1460 | BRA | F | −29N | +32B | −17N | −26B | −23N | −28B | 1.0 | 9.5 | 9.5 | 0.00 | 1359 | -20.4 |
| 31 | Naidon, Rafaela Weber | 1476 | BRA | −10N | −11B | F | −26N | −19N | F | −27B | 0.0 | 14.5 | 14.5 | 0.00 | 860 | -54.8 |
| 32 | Dhom Lemos,Frederico M Brescia | 1624 | BRA | −7N | −22B | −30N | −25B | F | F | F | 0.0 | 10.0 | 10.0 | 0.00 | 813 | -85.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Frassetto, EduardaBRA+74.44.5 pts · #3
- 2Monteiro, MelissaBRA+68.43.0 pts · #15
- 3Kisler Voges, Enzo HenriqueBRA+44.02.5 pts · #21
- 1Dhom Lemos,Frederico M BresciaBRA-85.60.0 pts · #31
- 2Naidon, Rafaela WeberBRA-54.80.0 pts · #32
- 3Salamanca Paraguayo, MateoBOL-44.41.0 pts · #28
- R1+336 Elo gap
- R3+231 Elo gap
- R4+203 Elo gap