2o IRT Cxa Classico De Natal Cidade De Sao Paulo
Open SwissStandard
48 players participated in this 6-round tournament, held from 19 Dec 2025 to 21 Dec 2025 in Sao Paulo SP, Brazil. 2 federations represented. Top 10 Elo average was 1972, and top seed was Leonardo De Miranda Rodrigues (🇧🇷 BRA, 2146).
Joao P Laurenti Silveira Ramos (🇧🇷 BRA, 1957) won with 5.0/6, ahead of Matheus Oliveira Da Silva (4.5) and Ricardo Fagner Dias De Menezes (4.5). Silveira Ramos clinched sole first place in the final round.
The biggest upset came in round 6: Caua De Paiva Leite (1773) beat Leonardo De Miranda Rodrigues (2146), a +373-point gap.
Location
🇧🇷Sao Paulo SP, Brazil
Dates
19 Dec 2025 → 21 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 2 represented
🇧🇷Brazil×47
🇱🇾Libya×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsJoao P Laurenti Silveira Ramos led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.
Co-leaders
15
6
2
2
1
1
R6 · LEADER CHANGE21 Dec
Joao P Laurenti Silveira Ramos takes the sole lead (5.0/6).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Joao P Laurenti Silveira Ramos drew with Matheus Oliveira Da Silva (Black).
WIN STREAKS · 2 top finishers
Joao P Laurenti Silveira Ramos 3 wins (R1–R3)Matheus Oliveira Da Silva 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Joao P Laurenti Silveira Ramos | * | ½ | ½ | — |
| 2Matheus Oliveira Da Silva | ½ | * | — | 1 |
| 3Ricardo Fagner Dias De Menezes | ½ | — | * | — |
| 4Lucas Silva De Oliveira | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Silveira Ramos, Joao P Laurenti | 1957 | BRA | +28B | +9N | +7B | =2N | =3B | +14N | 5.0 | 20.5 | 23.0 | 18.50 | 2092 | +37.2 |
| 2 | Da Silva, Matheus Oliveira | 1854 | BRA | +20N | +4B | +18N | =1B | +17N | −13B | 4.5 | 19.0 | 22.0 | 16.00 | 2056 | +61.6 |
| 3 | De Menezes, Ricardo Fagner Dias | 1917 | BRA | +21N | =6B | =22N | +25B | =1N | +12B | 4.5 | 18.0 | 20.5 | 14.75 | 1970 | +8.4 |
| 4 | De Oliveira, Lucas Silva | 1740 | BRA | +40B | −2N | +32B | =24N | +16N | +15B | 4.5 | 16.0 | 17.0 | 11.25 | 1970 | +46.4 |
| 5 | El Zwei, Aiman Mohamed | 2067 | LBA | +36N | −18B | +26N | +10B | =12N | =8B | 4.0 | 17.0 | 19.0 | 12.25 | 1909 | -17.0 |
| 6 | Santos, Caua Lopes | 1768 | BRA | +34B | =3N | −13B | =23N | +26B | +18N | 4.0 | 16.0 | 18.0 | 11.00 | 1776 | +3.2 |
| 7 | Leite, Caua De Paiva | 1773 | BRA | +41N | +45B | −1N | +19B | −8N | +17B | 4.0 | 16.0 | 17.0 | 8.00 | 2051 | +34.6 |
| 8 | Campelo, Leandro Fabricio | 2076 | BRA | F | +44N | +23B | =13N | +7B | =5N | 4.0 | 15.0 | 15.0 | 11.25 | 2032 | -1.8 |
| 9 | Hilario, Hudson | 1836 | BRA | +31N | −1B | +33N | −17B | +38N | +22B | 4.0 | 14.5 | 16.0 | 8.00 | 1896 | +20.0 |
| 10 | Pacheco Yamada, Lucas | 1789 | BRA | =30B | =38N | +34B | −5N | +24B | +19N | 4.0 | 14.0 | 15.5 | 9.50 | 1909 | +23.6 |
| 11 | De Melo, Andre Nascimento | 1790 | BRA | =26N | −22B | =39N | +31B | +33N | +32B | 4.0 | 11.0 | 12.5 | 8.00 | 1731 | -6.0 |
| 12 | Munhoz, Joao Pedro | 1766 | BRA | +32N | +19B | =14B | =15N | =5B | −3N | 3.5 | 18.5 | 20.5 | 10.50 | 1931 | +20.8 |
| 13 | Deus Filho, Joaquim de | 1840 | BRA | F | +29B | +6N | =8B | F | +2N | 3.5 | 17.5 | 17.5 | 13.00 | 2186 | +30.8 |
| 14 | Koga, Erick Akira | 1844 | BRA | +35N | +17B | =12N | F | +22B | −1B | 3.5 | 16.0 | 16.0 | 9.25 | 1985 | +36.4 |
| 15 | Primo, Ricardo de Lima | 1981 | BRA | =29N | +39B | =25N | =12B | +27N | −4N | 3.5 | 15.5 | 17.0 | 8.25 | 1794 | -26.0 |
| 16 | Silva, Marcos Araujo | 2005 | BRA | =46B | +48N | −30B | +42N | −4B | +23N | 3.5 | 11.0 | 11.0 | 3.75 | 1821 | -34.8 |
| 17 | Rodrigues, Leonardo De Miranda | 2146 | BRA | +27B | −14N | +38B | +9N | −2B | −7N | 3.0 | 18.5 | 20.0 | 8.00 | 1800 | -46.0 |
| 18 | Vieira, Alexandre Letizio | 1836 | BRA | +42B | +5N | −2B | −22N | +39N | −6B | 3.0 | 16.5 | 17.5 | 6.50 | 1773 | -9.6 |
| 19 | Serra, Alberto Gadelha | 1848 | BRA | +33B | −12N | +44B | −7N | +20N | −10B | 3.0 | 16.5 | 17.5 | 6.00 | 1652 | -52.4 |
| 20 | Nicacio, Daniel Ramos | 1660 | BRA | −2B | =43N | +46B | +37N | −19B | =27N | 3.0 | 13.0 | 13.5 | 4.25 | 1781 | +32.0 |
| 21 | Kuratomi, Fabio Henrique Ito | 1689 | BRA | −3B | −40N | +47N | F | +41B | +37N | 3.0 | 8.5 | 8.5 | 3.00 | 1950 | +41.6 |
| 22 | Dos Santos, Rafaela Alves | 1691 | BRA | F | +11N | =3B | +18B | −14N | −9N | 2.5 | 19.0 | 19.0 | 9.25 | 1845 | +39.6 |
| 23 | Santana, Expedito | 1512 | BRA | F | +37B | −8N | =6B | +25N | −16B | 2.5 | 16.0 | 16.0 | 6.50 | 1829 | +35.8 |
| 24 | De Souza, Ricardo Alves | 1662 | BRA | F | −25B | +29N | =4B | −10N | +31B | 2.5 | 15.5 | 15.5 | 6.75 | 1709 | +6.4 |
| 25 | De Souza, Samuel B Ornelas | 1788 | BRA | F | +24N | =15B | −3N | −23B | +33B | 2.5 | 15.0 | 15.0 | 6.25 | 1741 | -5.8 |
| 26 | Da Costa, Vinicius Yan Fernandes | 0 | BRA | =11B | +46N | −5B | F | −6N | +38B | 2.5 | 14.0 | 14.0 | 4.00 | 1802 | 0.0 |
| 27 | Leal, Guilherme Alves de Souza | 1727 | BRA | −17N | +35B | +31N | F | −15B | =20B | 2.5 | 13.5 | 13.5 | 5.50 | 1782 | +9.6 |
| 28 | Ferreira, Murilo | 1691 | BRA | −1N | −31B | +35N | −32B | =36N | +43B | 2.5 | 13.0 | 14.0 | 4.00 | 1618 | -18.4 |
| 29 | Do Nascimento, Icaro Henrique M | 1703 | BRA | =15B | −13N | −24B | −35N | +46B | +42N | 2.5 | 12.5 | 13.0 | 3.25 | 1671 | -13.6 |
| 30 | Da Silva, Caique F. Fortunato | 0 | BRA | =10N | +47B | +16N | F | F | F | 2.5 | 11.0 | 11.0 | 5.50 | 1902 | 0.0 |
| 31 | Damasio, Fabio Ferreira | 1522 | BRA | −9B | +28N | −27B | −11N | +40B | −24N | 2.0 | 15.5 | 16.5 | 3.50 | 1501 | -2.8 |
| 32 | Koga, Rafael Fernandes | 0 | BRA | −12B | F | −4N | +28N | +42B | −11N | 2.0 | 15.5 | 15.5 | 3.50 | 1637 | 0.0 |
| 33 | Bianchini, Marlon | 1632 | BRA | −19N | +41B | −9B | +40N | −11B | −25N | 2.0 | 14.5 | 15.5 | 2.00 | 1016 | -20.8 |
| 34 | Da Silva, Pedro Pereira | 0 | BRA | −6N | +36B | −10N | −38B | +35B | −41N | 2.0 | 13.5 | 14.5 | 4.00 | 1643 | 0.0 |
| 35 | Nobre, Jailson Altair Barbosa | 1621 | BRA | −14B | −27N | −28B | +29B | −34N | +40N | 2.0 | 13.0 | 14.0 | 3.50 | 1548 | -7.4 |
| 36 | Aguiar,Joao Pedro | 1720 | BRA | −5B | −34N | =43B | +46N | =28B | F | 2.0 | 10.5 | 11.0 | 2.25 | 1822 | +13.2 |
| 37 | Ishikawa, Emilio Keiji | 1766 | BRA | F | −23N | +40B | −20B | +43N | −21B | 2.0 | 10.5 | 10.5 | 2.00 | 820 | -41.4 |
| 38 | Nobre, Jose Adalberto Barbosa | 1678 | BRA | F | =10B | −17N | +34N | −9B | −26N | 1.5 | 15.5 | 15.5 | 4.00 | 1628 | -4.4 |
| 39 | De Oliveira, Daniel C. Xavier | 1697 | BRA | F | −15N | =11B | +44N | −18B | F | 1.5 | 11.5 | 11.5 | 3.00 | 1596 | -6.8 |
| 40 | Da Silva, Marcos Paulo | 0 | BRA | −4N | +21B | −37N | −33B | −31N | −35B | 1.0 | 13.5 | 15.5 | 3.00 | 1389 | 0.0 |
| 41 | De Oliveira, Pedro Lima Theodoro | 0 | BRA | −7B | −33N | F | F | −21N | +34B | 1.0 | 11.0 | 11.0 | 2.00 | 898 | 0.0 |
| 42 | Alves, Flavio Rogerio | 1559 | BRA | −18N | F | +48B | −16B | −32N | −29B | 1.0 | 11.0 | 11.0 | 0.00 | 1607 | +5.2 |
| 43 | Gomes, Bernardo Camargos | 0 | BRA | −45N | =20B | =36N | F | −37B | −28N | 1.0 | 10.5 | 10.5 | 2.50 | 1501 | 0.0 |
| 44 | Yokota, Lucas Jundi Morita | 0 | BRA | +47N | −8B | −19N | −39B | F | F | 1.0 | 10.5 | 10.5 | 0.00 | 1660 | 0.0 |
| 45 | Moreira, Paulo Vinicius Macedo | 1869 | BRA | +43B | −7N | F | F | F | F | 1.0 | 5.0 | 5.0 | 1.00 | 972 | -12.6 |
| 46 | Maraz, Ricardo | 1709 | BRA | =16N | −26B | −20N | −36B | −29N | F | 0.5 | 13.5 | 13.5 | 1.75 | 1450 | -24.2 |
| 47 | Dos Anjos, Higor Gabriel Leite | 1791 | BRA | −44B | −30N | −21B | F | F | F | 0.0 | 6.5 | 6.5 | 0.00 | 889 | -25.6 |
| 48 | Gowdak, Matheus Godoy | 1702 | BRA | F | −16B | −42N | F | F | F | 0.0 | 5.5 | 5.5 | 0.00 | 982 | -33.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Da Silva, Matheus OliveiraBRA+61.64.5 pts · #2
- 2De Oliveira, Lucas SilvaBRA+46.44.5 pts · #21
- 3Kuratomi, Fabio Henrique ItoBRA+41.63.0 pts · #30
Top rating losers
- 1Serra, Alberto GadelhaBRA-52.43.0 pts · #27
- 2Rodrigues, Leonardo De MirandaBRA-46.03.0 pts · #13
- 3Ishikawa, Emilio KeijiBRA-41.42.0 pts · #47
Biggest upsets
- R6+373 Elo gap
- R2+302 Elo gap
- R5+292 Elo gap