CXA Festival STD U1800 Cidade de Sao Paulo
Open SwissStandard
43 players participated in this 6-round tournament, held from 29 May 2026 to 31 May 2026 in Sao Paulo SP, Brazil. 4 federations represented. Top 10 Elo average was 1767, and top seed was Rafaela Alves Dos Santos (🇧🇷 BRA, 1796).
Andre De Souza Lucio (🇧🇷 BRA, 1745) won with 5.0/6, ahead of Leopoldo Tetsuo Ishida (5.0) and Samuel B Ornelas De Souza (4.5). Lucio shared the lead from round 2, winning on tie-break.
The biggest upset came in round 3: Antonio Maia Rosa Rojo (1515) beat Juan Miguel Mateus (1788), a +273-point gap.
Location
🇧🇷Sao Paulo SP, Brazil
Dates
29 May 2026 → 31 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 4 represented
🇧🇷Brazil×35
🇨🇴Colombia×2
🇪🇸Spain×1
🇮🇹Italy×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
16
7
3
2
3
2
R6 · TIEBREAK CLUSTER
2 players finish on 5.0/6. Lucio takes the title on Buchholz Cut1 (19.0).
WIN STREAKS · 2 top finishers
Leopoldo Tetsuo Ishida 5 wins (R1–R6)Andre De Souza Lucio 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Leopoldo Tetsuo Ishida | * | — | — | 1 |
| 2Andre De Souza Lucio | — | * | ½ | — |
| 3Guilherme Hideo Tubone | — | ½ | * | — |
| 4Samuel B Ornelas De Souza | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lucio, Andre De Souza | 1745 | BRA | +22N | +6B | +17N | =4B | =10B | +7N | 5.0 | 19.0 | 21.5 | 17.50 | 1883 | +16.8 |
| 2 | Ishida, Leopoldo Tetsuo | 1736 | BRA | +38N | +14B | +5B | F | +3N | +9N | 5.0 | 16.5 | 16.5 | 16.50 | 2465 | +33.0 |
| 3 | De Souza, Samuel B Ornelas | 1791 | BRA | =9N | +41B | +16N | +5B | −2B | +31N | 4.5 | 17.5 | 18.0 | 11.25 | 1846 | +9.2 |
| 4 | Tubone, Guilherme Hideo | 1754 | BRA | +30B | F | +23N | =1N | +11B | +10N | 4.5 | 16.5 | 16.5 | 14.00 | 2021 | +54.0 |
| 5 | Moreira, Lucas Alves | 1788 | BRA | +40N | +18B | −2N | −3N | +19B | +14B | 4.0 | 18.5 | 19.5 | 10.00 | 1706 | -18.4 |
| 6 | Alves, Flavio Rogerio | 1545 | BRA | +25N | −1N | =13B | +28B | =12N | +16B | 4.0 | 17.5 | 19.5 | 11.00 | 1845 | +93.2 |
| 7 | Mendonca, Joaquim Conrado | 0 | BRA | −23N | +40B | +28N | +24B | +20B | −1B | 4.0 | 15.0 | 16.0 | 8.50 | 1671 | 0.0 |
| 8 | Marassato Campos, Henrique | 1744 | BRA | +29B | −32N | +15B | +18N | −9B | +22N | 4.0 | 14.0 | 16.0 | 10.50 | 1780 | +8.0 |
| 9 | Comas Bermeo, Emilie | 1567 | COL | =3B | F | +12N | +32B | +8N | −2B | 3.5 | 19.0 | 19.0 | 11.75 | 1852 | +59.2 |
| 10 | Nunes, Rafael Klanfer | 1766 | BRA | +34B | +15N | +11B | F | =1N | −4B | 3.5 | 17.5 | 17.5 | 10.50 | 1796 | +4.6 |
| 11 | Silveira, Silvio Luiz Fernandes | 1624 | BRA | +43N | +27B | −10N | +14B | −4N | =12B | 3.5 | 16.5 | 16.5 | 6.75 | 1486 | -18.0 |
| 12 | Bianchi, Eduardo Neto | 1758 | BRA | +37N | =23B | −9B | +30N | =6B | =11N | 3.5 | 15.5 | 17.0 | 8.50 | 1624 | -38.8 |
| 13 | Dos Santos, Rafaela Alves | 1796 | BRA | −15B | +34N | =6N | +37B | +17B | −20N | 3.5 | 14.5 | 16.0 | 8.00 | 1638 | -22.6 |
| 14 | Andujar Salas, Patricio | 0 | ESP | +19B | −2N | +33B | −11N | +18B | −5N | 3.0 | 18.5 | 20.5 | 8.00 | 1654 | 0.0 |
| 15 | Ung Jo, Alexandro | 1579 | BRA | +13N | −10B | −8N | =36B | +27N | =24B | 3.0 | 15.5 | 17.0 | 7.50 | 1616 | +8.4 |
| 16 | De Souza, Ricardo Alves | 1642 | BRA | =41N | +39B | −3B | =22N | +21B | −6N | 3.0 | 15.5 | 16.0 | 6.00 | 1488 | -21.0 |
| 17 | De Oliveira, Luciano Dutra | 1627 | BRA | +21B | +35N | −1B | F | −13N | +25B | 3.0 | 15.5 | 15.5 | 7.00 | 1698 | +14.8 |
| 18 | Da Silva, Jeferson Coelho | 1511 | BRA | +42N | −5N | +35B | −8B | −14N | +36B | 3.0 | 14.0 | 14.5 | 3.50 | 1557 | +4.8 |
| 19 | Chahuaylla, Diego R Chahuares | 1541 | BRA | −14N | +43B | −27N | +26B | −5N | +39B | 3.0 | 13.0 | 13.0 | 4.00 | 1651 | +5.6 |
| 20 | Deguti Hata, Arthur Jun | 1674 | BRA | F | F | +26N | +27B | −7N | +13B | 3.0 | 12.0 | 12.0 | 8.00 | 2455 | +38.4 |
| 21 | Palomino, Fred Chahuaylla | 1461 | BRA | −17N | −28B | +34B | +29N | −16N | +37B | 3.0 | 11.5 | 13.0 | 5.00 | 1573 | +36.4 |
| 22 | Medeiros, Samuel Mortean | 1522 | BRA | −1B | F | +39N | =16B | +24N | −8B | 2.5 | 16.0 | 16.0 | 5.50 | 1601 | +14.0 |
| 23 | Nobre, Jailson Altair Barbosa | 1614 | BRA | +7B | =12N | −4B | +38N | F | F | 2.5 | 15.5 | 15.5 | 7.25 | 1676 | +4.8 |
| 24 | Gananca, Bruno Peluso | 1620 | BRA | −32B | +29N | +36B | −7N | −22B | =15N | 2.5 | 13.5 | 15.0 | 5.00 | 1629 | +1.2 |
| 25 | Mateus, Juan Miguel | 1788 | COL | −6B | =30N | −38B | +35N | +33B | −17N | 2.5 | 12.5 | 14.0 | 4.50 | 1428 | -92.8 |
| 26 | Chahuaylla, Joyce A Chahuares | 1494 | BRA | =31N | F | −20B | −19N | +40B | +42B | 2.5 | 9.5 | 9.5 | 2.50 | 1541 | +4.4 |
| 27 | FIDE 580006337 | 0 | — | F | −11N | +19B | −20N | −15B | +28B | 2.0 | 14.5 | 14.5 | 5.00 | 1540 | 0.0 |
| 28 | Da Cruz Lima, Filipe Santos | 1591 | BRA | −35B | +21N | −7B | −6N | +43B | −27N | 2.0 | 14.5 | 14.5 | 3.00 | 1503 | -9.6 |
| 29 | Porfirio, Renatta Molina | 1520 | BRA | −8N | −24B | +43N | −21B | =36N | =35B | 2.0 | 12.5 | 12.5 | 1.50 | 1263 | -46.8 |
| 30 | Santana, Expedito | 1524 | BRA | −4N | =25B | +40N | −12B | =42N | F | 2.0 | 12.0 | 12.0 | 2.50 | 1623 | +8.4 |
| 31 | Terra, Bruno De Oliveira | 1707 | BRA | =26B | =36N | F | +42B | F | −3B | 2.0 | 11.5 | 11.5 | 2.50 | 1481 | -35.2 |
| 32 | FIDE 538095980 | 0 | — | +24N | +8B | F | −9N | F | F | 2.0 | 10.0 | 10.0 | 6.50 | 1664 | 0.0 |
| 33 | Magliocco Ceroni, Fabio | 1673 | ITA | F | F | −14N | +41B | −25N | +34B | 2.0 | 7.5 | 7.5 | 2.00 | 1725 | +8.8 |
| 34 | Arranz, Murilo Machado | 1533 | BRA | −10N | −13B | −21N | =39B | +41N | −33N | 1.5 | 13.5 | 14.0 | 1.25 | 1395 | -35.2 |
| 35 | FIDE 538031922 | 0 | — | +28N | −17B | −18N | −25B | −39N | =29N | 1.5 | 12.5 | 14.0 | 3.00 | 1458 | 0.0 |
| 36 | Jomaa,Victor Rafael | 1514 | BRA | F | =31B | −24N | =15N | =29B | −18N | 1.5 | 12.5 | 12.5 | 3.50 | 1438 | -20.4 |
| 37 | Lacerda,Francisco J C A | 1526 | BRA | −12B | F | +41N | −13N | =38B | −21N | 1.5 | 12.0 | 12.0 | 1.25 | 1453 | -22.4 |
| 38 | Rojo, Antonio Maia Rosa | 1515 | BRA | −2B | F | +25N | −23B | =37N | F | 1.5 | 11.5 | 11.5 | 3.25 | 1579 | +10.8 |
| 39 | Dos Santos,Igor Frischinetti | 0 | BRA | F | −16N | −22B | =34N | +35B | −19N | 1.5 | 11.5 | 11.5 | 2.25 | 1250 | 0.0 |
| 40 | Massuda, Sofia Junqueira Franco | 1541 | BRA | −5B | −7N | −30B | F | −26N | +43N | 1.0 | 12.5 | 12.5 | 0.00 | 809 | -50.0 |
| 41 | Felippe E Silva, Glenda | 1479 | BRA | =16B | −3N | −37B | −33N | −34B | F | 0.5 | 12.5 | 12.5 | 1.50 | 1267 | -20.4 |
| 42 | Araujo Bruzetti, Joao Victor | 0 | BRA | −18B | F | F | −31N | =30B | −26N | 0.5 | 9.5 | 9.5 | 1.00 | 1242 | 0.0 |
| 43 | FIDE 538060493 | 0 | — | −11B | −19N | −29B | F | −28N | −40B | 0.0 | 11.5 | 11.5 | 0.00 | 773 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Alves, Flavio RogerioBRA+93.24.0 pts · #4
- 2Comas Bermeo, EmilieCOL+59.23.5 pts · #15
- 3Tubone, Guilherme HideoBRA+54.04.5 pts · #1
Top rating losers
- 1Mateus, Juan MiguelCOL-92.82.5 pts · #25
- 2Massuda, Sofia Junqueira FrancoBRA-50.01.0 pts · #43
- 3Porfirio, Renatta MolinaBRA-46.82.0 pts · #41
Biggest upsets
- R3+273 Elo gap
- R1+243 Elo gap
- R1+217 Elo gap