[Event "V Maia Open 2021"] [Site "Maia POR"] [Date "2021.09.01"] [Round "3.9"] [White "Marques, Ricardo"] [Black "Sousa, E"] [Result "1-0"] [WhiteElo "1630"] [BlackElo "1894"] [ECO "C42"] [Opening "Petrov three knights game"] [EventDate "2021.08.30"] [WhiteFideId "1946242"] [BlackFideId "1903705"] 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Be2 Re8 6. Nf3 Nxe4 7. Nxe4 Rxe4 8. c3 Ba5 9. O-O d5 10. d4 Nd7 11. Bd3 Re8 12. Bg5 Nf6 13. Qc2 h6 14. Bh4 c6 15. Rae1 Be6 16. Re3 Bc7 17. Ne5 Bd6 18. Rfe1 Be7 19. Ng6 Bd6 20. Qe2 a5 21. Bb1 fxg6 22. Rxe6 Kf7 23. Bxf6 1-0

[Event "V Maia Open 2021"] [Site "Maia POR"] [Date "2021.08.31"] [Round "2.12"] [White "Sousa, E"] [Black "Veleirinho, Antonio"] [Result "1/2-1/2"] [WhiteElo "1894"] [BlackElo "1298"] [ECO "A40"] [Opening "Queen's pawn"] [Variation "Keres defence"] [EventDate "2021.08.30"] [WhiteFideId "1903705"] [BlackFideId "1964755"] 1. c4 b6 2. d4 e6 3. Nf3 Bb7 4. Nc3 Bb4 5. g3 f5 6. Bg2 Nf6 7. O-O O-O 8. Qb3 Be7 9. Bf4 Ne4 10. Rad1 Nxc3 11. bxc3 d6 12. c5 d5 13. Rfe1 Nc6 14. cxb6 axb6 15. Ne5 Nxe5 16. Bxe5 Bc6 17. Ra1 Ra3 18. Qc2 Bb5 19. Reb1 Qd7 20. Bf1 Qc6 21. Qb2 Bc4 22. Qd2 Rfa8 23. Rb2 R8a7 24. h4 Qa8 25. Qf4 Qd8 26. Qd2 c6 27. e3 Bxf1 28. Kxf1 b5 29. Ke2 Bd6 30. Bxd6 Qxd6 1/2-1/2