[Event "Zandvoort"] [Site "?"] [Round "0"] [White "Euwe"] [Black "Maroczy"] [Result "1-0"] [ECO "D55"] [Opening "QGD: 6.Nf3"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. a3 h6 9. Bf4 a6 10. h3 dxc4 11. Bxc4 b5 12. Ba2 Bb7 13. O-O c5 14. Ne5 c4 15. Bb1 Re8 16. Qe2 Nxe5 17. dxe5 Nh7 18. Qh5 Nf8 19. Rcd1 Qc7 20. Bxh6 $1 gxh6 21. Rd4 f5 (21... Bg5 22. h4 Qxe5 23. hxg5 hxg5 24. Rg4 f6 25. Rg3 {Pf4 and Rh3}) 22. exf6 Bxf6 23. Rg4+ Bg7 24. Qxh6 {Although White has only two pawns for the piece, and Black's pieces are qute well deployed, the following moves will show that the exposure of Black's King is too much to overcome} 24... Rad8 25. Ne2 e5 26. Ng3 Re6 (26... Rd6 27. Rxg7+ Qxg7 28. Qxg7+ Kxg7 29. Nf5+ { Removing the guard and double attack}) 27. Qh4 Rd3 (27... Qe7 28. Rxg7+ { Removing the guard}) (27... e4 28. Nxe4 Bxe4 29. Bxe4 Rxe4 30. Rxe4 Bxb2 31. f4 Rd7 (31... c3 32. Qg5+ Kf7 33. f5 c2 34. f6 Ne6 35. Qh5+ Kf8 36. Rxe6 c1=Q 37. Qh8+ Kf7 38. Re7+ Qxe7 39. Qg7+ Ke6 40. Qxe7+ Kd5 41. Qxd8+ $18) 32. Rf3 Rh7 33. Rg3+ Bg7 34. Re7 $1 Qb6 35. Qg5 Ne6 36. Qg6) 28. Nf5 Ng6 29. Qh5 (29. Rxg6 Rxg6 30. Ne7+ Qxe7 31. Qxe7 Rxg2+ 32. Kh1 Rxf2+ 33. Qxb7 Rxf1+ $19 { discovered check tactics}) 29... Qf7 30. h4 Bf8 31. Nh6+ Bxh6 32. Qxh6 Qh7 33. Qg5 Kf7 34. Bxd3 cxd3 35. Qf5+ Ke7 (35... Rf6 36. Qd7+ Kg8 37. Qe8+ Kg7 38. Qe7+ Rf7 39. Qxe5+ Kf8 40. Qd6+ Kg7 41. Qxd3 $18) 36. h5 Nf8 37. Qxh7+ Nxh7 38. Rg7+ 1-0