[Event "Round 9 Jack, Mizzi 1913 - Nicholas Arvin 1744 1-0: Round 9 Jack, Mizzi 1913 - Nicholas, Arvin 1744 1-0"] [Site "https://lichess.org/study/eeTtASt1/7WrkiwSN"] [Result "*"] [Variant "Standard"] [ECO "E09"] [Opening "Catalan Opening: Closed, Main Line"] [Annotator "https://lichess.org/@/ChessOlympiad2023"] [UTCDate "2023.02.05"] [UTCTime "20:01:20"] [Source "https://lichess.org/study/eeTtASt1/7WrkiwSN"] [Orientation "white"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 Be7 6. O-O O-O 7. Nbd2 c6 8. Qc2 Re8 { If black's choice this setup then the black bishop should be on d6 square to prepare e5 move. } 9. Rd1 (9. e4 $14) 9... Nf8 (9... c5 10. dxc5 Bxc5 11. Nb3 Bf8 12. cxd5 exd5 13. Bf4 $14) 10. b3 (10. e4 { Threatening with e5 push. } 10... dxe4 11. Nxe4 Nxe4 12. Qxe4 { White is much better here because of the centre and Bc8 is bad. }) 10... Ng6 11. Bb2 Qc7 12. Rac1 (12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bd7 15. h4 $16) 12... Bd7 13. e4 dxe4 14. Nxe4 Qb6? (14... Rad8 $16) 15. Ne5 $16 Rad8 (15... Red8 16. h4 Nxe4 17. Bxe4 $16) 16. Ng5 Rf8 17. h4 Nh5? { Black's position was worse already but after this move white is winning. } (17... Qc7 18. Re1 Be8 19. Rcd1 $16) 18. Bf3 Bxg5 (18... Nf6 19. h5 Nxh5 20. Nxh7 Kxh7 21. Bxh5 Be8 22. Kg2 $16) 19. Nxd7 Rxd7 20. hxg5 Nxg3 21. fxg3 Qa5 22. d5 Qc7 23. Kg2 c5 24. Qc3 e5 25. Bh5 f6 26. Rf1 Rd6 27. Bxg6 hxg6 28. Qd3 Qe7 29. Rce1 Rf7 30. Rh1 Kf8 31. Rh8# *