CD Porto 2025-26
Open SwissStandard
37 players participated in this 7-round tournament, held from 28 Nov 2025 to 13 Dec 2025 in Pedroucos, Portugal. 3 federations represented. Top 10 Elo average was 1808, and top seed was Paulo Alexandre G Monteiro (🇵🇹 POR, 2177).
Dinis Sun Xu (🇵🇹 POR, 1654) won with 5.5/7, ahead of Miguel Camisa Nunes (5.5) and Paulo Alexandre G Monteiro (4.5). Xu shared the lead from round 5, winning on tie-break.
The biggest upset came in round 2: Joao Miguel Machado De Andrade (1610) beat Francisco Daniel Assuncao (1952), a +342-point gap.
Location
🇵🇹Pedroucos, Portugal
Dates
28 Nov 2025 → 13 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 3 represented
🇵🇹Portugal×35
🇧🇷Brazil×1
🇭🇰Hong Kong China×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R6; 2 players tied at 5.5/7, decided on Buchholz.
Co-leaders
12
5
1
1
2
1
2
R4 · LEADER CHANGE30 Nov
Miguel Camisa Nunes takes the sole lead (3.5/4).
R7 · TIEBREAK CLUSTER
2 players finish on 5.5/7. Xu takes the title on Buchholz Cut1 (23.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Dinis Sun Xu drew with Miguel Camisa Nunes (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dinis Sun Xu | * | ½ | — | 1 |
| 2Miguel Camisa Nunes | ½ | * | — | 0 |
| 3Paulo Alexandre G Monteiro | — | — | * | 1 |
| 4Pedro Afonso Vale | 0 | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Xu, Dinis Sun | 1654 | POR | +28B | +10N | =2N | =6B | +5B | +4N | =11B | 5.5 | 23.0 | 24.0 | 18.00 | 1872 | +68.4 |
| 2 | Nunes, Miguel Camisa | 1713 | POR | +33B | +25N | =1B | +19N | −4N | +18B | +6N | 5.5 | 18.5 | 19.0 | 12.25 | 1906 | +58.8 |
| 3 | Monteiro, Paulo Alexandre G | 2177 | POR | +21B | F | +24N | F | +10B | =9N | +4B | 4.5 | 14.0 | 14.0 | 12.25 | 2143 | -2.0 |
| 4 | Vale, Pedro Afonso | 1679 | POR | F | +15N | +32B | +5N | +2B | −1B | −3N | 4.0 | 23.0 | 23.0 | 13.00 | 1871 | +57.6 |
| 5 | Nichols, James Edward | 1705 | HKG | +29N | +20B | +6N | −4B | −1N | =35B | =12N | 4.0 | 19.0 | 19.5 | 8.25 | 1575 | -29.6 |
| 6 | Ramos, Iam Da Silva | 1757 | BRA | +34B | +18N | −5B | =1N | =9B | =11N | −2B | 3.5 | 23.5 | 24.0 | 8.50 | 1641 | -41.6 |
| 7 | Oliveira, Afonso Vieira Soares | 1474 | POR | F | −23B | +12N | +28B | =15N | =14B | =8N | 3.5 | 14.5 | 14.5 | 8.50 | 1575 | +16.4 |
| 8 | Ribeiro, Rita | 1552 | POR | −19B | +28N | −15B | =33N | +23B | =24N | =7B | 3.5 | 12.0 | 12.5 | 5.25 | 1442 | -24.0 |
| 9 | Borges, Diogo | 1670 | POR | F | +33N | F | =17B | =6N | =3B | +35N | 3.5 | 11.5 | 11.5 | 6.25 | 1893 | +42.4 |
| 10 | Costa, Nuno Pereira | 1550 | POR | F | −1B | +22N | −11B | −3N | +34B | +14N | 3.0 | 18.5 | 18.5 | 5.50 | 1684 | +37.6 |
| 11 | Santos, Nuno Diogo | 1673 | POR | −20N | F | +30B | +10N | F | =6B | =1N | 3.0 | 16.0 | 16.0 | 8.50 | 1818 | +29.6 |
| 12 | Pereira, Rui Jorge Silva | 0 | POR | −25B | =27N | −7B | F | +34B | +15N | =5B | 3.0 | 13.5 | 13.5 | 5.75 | 1549 | 0.0 |
| 13 | Marques, Paulo Miguel | 1515 | POR | −26B | −31N | +27B | F | =14N | +16B | =18N | 3.0 | 11.5 | 11.5 | 6.50 | 1692 | +22.0 |
| 14 | Andrade, Joao Miguel Machado De | 1610 | POR | +37B | +19N | F | F | =13B | =7N | −10B | 3.0 | 11.5 | 11.5 | 5.25 | 1626 | +0.4 |
| 15 | Magalhaes, Fabio | 1577 | POR | +23N | −4B | +8N | F | =7B | −12B | F | 2.5 | 17.0 | 17.0 | 6.75 | 1563 | -2.0 |
| 16 | Alves, Damiao Fernando | 1586 | POR | +31B | =26N | F | −18N | +20B | −13N | F | 2.5 | 9.5 | 9.5 | 3.75 | 1369 | -15.4 |
| 17 | Silva, Gabriel Joao | 1806 | POR | F | +36N | +26B | =9N | F | F | F | 2.5 | 7.0 | 7.0 | 3.25 | 1905 | +14.8 |
| 18 | Rodrigues, Goncalo Azevedo | 1639 | POR | F | −6B | =23N | +16B | F | −2N | =13B | 2.0 | 18.5 | 18.5 | 4.75 | 1559 | -9.4 |
| 19 | Assuncao, Francisco Daniel | 1952 | POR | +8N | −14B | +20N | −2B | F | F | F | 2.0 | 14.0 | 14.0 | 5.50 | 1500 | -32.0 |
| 20 | Dias, Guilherme Salgado | 0 | POR | +11B | −5N | −19B | +30N | −16N | F | F | 2.0 | 12.5 | 12.5 | 4.00 | 1619 | 0.0 |
| 21 | Pereira, Afonso Jose Abreu | 1557 | POR | −3N | F | F | F | F | +33N | +29B | 2.0 | 6.0 | 6.0 | 1.50 | 1157 | -1.6 |
| 22 | Teixeira, Tiago Guedes | 1783 | POR | F | +34N | −10B | F | +30N | F | F | 2.0 | 4.5 | 4.5 | 1.50 | 1631 | -9.6 |
| 23 | Silva, Joao Moreira | 0 | POR | −15B | +7N | =18B | F | −8N | F | F | 1.5 | 11.5 | 11.5 | 4.50 | 1470 | 0.0 |
| 24 | Carmo, Paulo | 1552 | POR | F | F | −3B | F | +28N | =8B | F | 1.5 | 11.5 | 11.5 | 2.75 | 1552 | -2.0 |
| 25 | Ribeiro, Carlos Henrique | 1598 | POR | +12N | −2B | F | =34N | F | F | F | 1.5 | 9.0 | 9.0 | 3.25 | 1379 | -11.2 |
| 26 | Santos, Roberio | 1758 | POR | +13N | =16B | −17N | F | F | F | F | 1.5 | 8.0 | 8.0 | 4.25 | 1641 | -9.0 |
| 27 | Borges, Afonso Maria De Almeida | 1509 | POR | F | =12B | −13N | F | +33B | F | F | 1.5 | 6.5 | 6.5 | 2.00 | 730 | -9.4 |
| 28 | Job, Benjamin Oliveira | 0 | POR | −1N | −8B | F | −7N | −24B | +?N | F | 1.0 | 14.0 | 14.0 | 0.00 | 755 | 0.0 |
| 29 | Antunes, Maria Beatriz | 0 | POR | −5B | F | F | F | F | +31B | −21N | 1.0 | 10.5 | 10.5 | 1.00 | 831 | 0.0 |
| 30 | Goncalves, Beatriz Frazao Sousa | 1539 | POR | F | F | −11N | −20B | −22B | F | +37N | 1.0 | 7.0 | 7.0 | 0.00 | 928 | -20.8 |
| 31 | Pereira, Sergio Filipe Rocha | 0 | POR | −16N | +13B | F | F | F | −29N | F | 1.0 | 6.5 | 6.5 | 3.00 | 1558 | 0.0 |
| 32 | Coelho, Jorge Manuel | 1748 | POR | F | +35B | −4N | F | F | F | F | 1.0 | 4.5 | 4.5 | 0.50 | 1617 | -7.0 |
| 33 | Amorim, Rafael Costa | 0 | POR | −2N | −9B | F | =8B | −27N | −21B | F | 0.5 | 16.0 | 16.0 | 1.75 | 1232 | 0.0 |
| 34 | Andrade, Margarida Rocha Silva | 1425 | POR | −6N | −22B | F | =25B | −12N | −10N | — | 0.5 | 13.0 | 14.0 | 0.75 | 1350 | -14.4 |
| 35 | Cruz, Joao (2011) | 1569 | POR | F | −32N | F | F | F | =5N | −9B | 0.5 | 8.5 | 8.5 | 2.00 | 1435 | -15.6 |
| 36 | Mesquita, Goncalo Sincero Costa | 1467 | POR | F | −17B | F | F | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1007 | -2.4 |
| 37 | Pereira, Andre Augusto Abreu | 0 | POR | −14N | F | F | F | F | F | −30B | 0.0 | 5.0 | 5.0 | 0.00 | 775 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Xu, Dinis SunPOR+68.45.5 pts · #1
- 2Nunes, Miguel CamisaPOR+58.85.5 pts · #3
- 3Vale, Pedro AfonsoPOR+57.64.0 pts · #4
Top rating losers
- 1Ramos, Iam Da SilvaBRA-41.63.5 pts · #5
- 2Assuncao, Francisco DanielPOR-32.02.0 pts · #24
- 3Nichols, James EdwardHKG-29.64.0 pts · #18
Biggest upsets
- R2+342 Elo gap
- R4+239 Elo gap
- R3+233 Elo gap