[Event "Mahrisch-Ostrau"] [Site "?"] [Round "0"] [White "Euwe"] [Black "Rubinstein"] [Result "1-0"] [ECO "A06"] [Opening "Reti: 1...d5"] {The Rooks on the attack} 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. O-O Bd6 7. Bb2 O-O 8. a3 b6 9. Ne5 Bb7 10. Nd2 Qe7 11. f4 Rfd8 12. Rf3 Ne4 13. Rh3 f5 14. Bxe4 dxe4 15. Qh5 Bxe5 16. Qxh7+ Kf7 17. fxe5 Rh8 18. Qxh8 Rxh8 19. Rxh8 {To show their full strength, Rooks must cooperate and this cooperation is not apparent. However, White is threatening to bring it about by bringing his Queen rook to f4} 19... Ba6 {The best countermove. This not only stops Rf1, but also prevents the Knight from travelling via c4 to the dominating d6 post} 20. Nf1 Qd7 $2 { After this inferior move, White's advantage is decisively strengthened} (20... Bxf1 21. Rxf1 Qg5 $132 22. Rf4 cxd4) 21. Rd1 { A pawn sacrifice in the interests of better cooperation among White's pieces} 21... Nxe5 22. d5 $1 { Attacking the Knight so that Black cannot prevent the opening of the d-file!} 22... Ng4 23. dxe6+ Qxe6 24. Rhd8 { The aim is accomplished, and White now threatens to end the game with R1d7+} 24... Bb5 25. c4 Be8 26. R1d5 f4 $1 {Black's best counterchance} (26... Nf6 27. Re5) 27. h3 (27. exf4 $2 e3) 27... fxe3 28. Ng3 e2 (28... Nf6) 29. Nxe2 Ne3 30. Rg5 g6 31. Nf4 Qe7 32. Rxg6 $1 Nf5 (32... Qxd8 33. Rg7+ Kf8 34. Ne6#) 33. Rf6+ Kg8 34. Rxe8+ Qxe8 35. Rxf5 e3 36. Rg5+ Kh7 (36... Kf8 37. Ng6+ Kf7 38. Nh8+ Kf8 39. Re5) 37. Rh5+ Kg8 38. Rh8+ 1-0