Torneio Interno do CX Sintra 2025
24 players participated in this 7-round tournament, held from 26 Nov 2025 to 21 Dec 2025 in Sintra, Portugal. 2 federations represented. Top 10 Elo average was 1823, and top seed was Goncalo Mairos Pereira (🇵🇹 POR, 2006).
Goncalo Mairos Pereira (🇵🇹 POR, 2006) won with 6.0/7, ahead of Tomas Chainho (4.0) and Goncalo Martins P Costa (4.0). Pereira won solo starting round 4.
The biggest upset came in round 1: Daniel Samuel Zhou (1524) beat Pedro Godinho Marques (1856), a +332-point gap.
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How it unfolded
Top 6 · 7 roundsGoncalo Mairos Pereira led from R4; +2.0-point edge over the runner-up.
Goncalo Mairos Pereira never relinquished the lead after R4; final gap +2.0 over the runner-up.
Goncalo Mairos Pereira lost to Goncalo Martins P Costa (Black).
Goncalo Mairos Pereira 6 wins (R1–R6)Goncalo Martins P Costa 4 wins (R2–R7)Pedro Godinho Marques 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Goncalo Mairos Pereira | * | 0 | — | 1 |
| 2Goncalo Martins P Costa | 1 | * | — | — |
| 3Pedro Godinho Marques | — | — | * | — |
| 4Tomas Chainho | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pereira, Goncalo Mairos | 2006 | POR | +12B | +11N | +5B | +2N | +8B | +7N | −3N | 6.0 | 19.5 | 21.5 | 17.50 | 2015 | +5.2 |
| 2 | Chainho, Tomas | 1733 | POR | +19N | +10B | +16N | −1B | F | F | +11N | 4.0 | 13.0 | 13.0 | 7.00 | 1920 | +18.6 |
| 3 | Costa, Goncalo Martins P | 1899 | POR | F | +21N | F | +16B | F | +11N | +1B | 4.0 | 12.0 | 12.0 | 10.50 | 2607 | +31.0 |
| 4 | Godinho Marques, Pedro | 1856 | POR | −10N | =18B | +21B | +20N | +11B | F | =9N | 4.0 | 11.0 | 11.0 | 6.25 | 1740 | -11.6 |
| 5 | Raposeiro, Vasco | 1645 | POR | F | +14B | −1N | +8B | −7N | =6B | +10N | 3.5 | 20.0 | 20.0 | 9.25 | 1753 | +12.8 |
| 6 | Bernardo, Ricardo | 1785 | POR | +24N | +17B | −8N | F | F | =5N | +7B | 3.5 | 11.0 | 11.0 | 6.25 | 1766 | -4.0 |
| 7 | Guerreiro, Paulo Jorge Leitao | 1835 | POR | −13B | F | +9B | +12N | +5B | −1B | −6N | 3.0 | 20.0 | 20.0 | 8.50 | 1785 | -5.0 |
| 8 | Tacuchian, Marcelo Oliveira | 1613 | POR | F | +13N | +6B | −5N | −1N | −10B | +19N | 3.0 | 18.5 | 18.5 | 6.50 | 1547 | -8.6 |
| 9 | Li Wei, David | 1574 | POR | F | =16B | −7N | F | +12B | +17N | =4B | 3.0 | 12.0 | 12.0 | 6.25 | 1793 | +56.0 |
| 10 | Zhou, Daniel Samuel | 1524 | POR | +4B | −2N | F | −11N | =17B | +8N | −5B | 2.5 | 18.5 | 20.0 | 7.75 | 1616 | +24.8 |
| 11 | Wang, Luis | 1604 | POR | F | −1B | +19N | +10B | −4N | −3B | −2B | 2.0 | 21.5 | 21.5 | 3.50 | 1562 | -14.4 |
| 12 | Avramovich, Dusan | 1555 | ENG | −1N | F | +23N | −7B | −9N | F | +20B | 2.0 | 13.0 | 13.0 | 1.00 | 989 | -28.4 |
| 13 | Araujo, Hugo C | 0 | POR | +7N | −8B | F | F | +22N | F | F | 2.0 | 9.5 | 9.5 | 4.00 | 1714 | 0.0 |
| 14 | Duque, Daniel | 0 | POR | +22B | −5N | −20B | F | F | F | +17B | 2.0 | 7.0 | 7.0 | 2.50 | 1644 | 0.0 |
| 15 | Adhya, Havir | 1701 | POR | F | F | F | +19B | +16N | F | F | 2.0 | 2.5 | 2.5 | 2.50 | 2573 | +24.0 |
| 16 | Bicho, Ivan-Pi | 1774 | POR | +23B | =9N | −2B | −3N | −15B | −22N | F | 1.5 | 14.0 | 14.0 | 1.50 | 1343 | -97.2 |
| 17 | Reis, Antonio Mario Correia B | 1592 | POR | F | −6N | F | +23B | =10N | −9B | −14N | 1.5 | 11.0 | 11.0 | 1.25 | 1355 | -17.2 |
| 18 | Correia, Antonio M M F | 1793 | POR | F | =4N | +24B | F | F | F | F | 1.5 | 9.0 | 9.0 | 2.00 | 1847 | +3.2 |
| 19 | Caturra, Henrique Dias | 0 | POR | −2B | +22N | −11B | −15N | F | F | −8B | 1.0 | 13.5 | 13.5 | 1.00 | 1417 | 0.0 |
| 20 | Carvalho, Pedro Vitorino | 0 | POR | F | F | +14N | −4B | F | F | −12N | 1.0 | 8.0 | 8.0 | 2.00 | 902 | 0.0 |
| 21 | Rafael, Manuel Maria Arez De Vi | 1845 | POR | F | −3B | −4N | F | +23N | F | — | 1.0 | 8.0 | 8.0 | 0.00 | 1073 | -18.4 |
| 22 | Afonso, Bruno | 1634 | POR | −14N | −19B | F | F | −13B | +16B | — | 1.0 | 6.5 | 6.5 | 1.50 | 2573 | +13.8 |
| 23 | Carvalho, Vicente Martins | 0 | POR | −16N | F | −12B | −17N | −21B | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 892 | 0.0 |
| 24 | Brilhante, Filipe | 0 | POR | −6B | F | −18N | F | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 989 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Li Wei, DavidPOR+56.03.0 pts · #5
- 2Costa, Goncalo Martins PPOR+31.04.0 pts · #2
- 3Zhou, Daniel SamuelPOR+24.82.5 pts · #7
- 1Bicho, Ivan-PiPOR-97.21.5 pts · #18
- 2Avramovich, DusanENG-28.42.0 pts · #20
- 3Rafael, Manuel Maria Arez De ViPOR-18.41.0 pts · #24
- R1+332 Elo gap
- R3+172 Elo gap
- R6+140 Elo gap