[Event "Russia"] [Site "Tournament, Leningrad"] [Round "0"] [White "Botvinnik"] [Black "Euwe"] [Result "1/2-1/2"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] {Both majorities go into action} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Qe2 Nc5 12. Nd4 Nxb3 13. N2xb3 Qd7 14. Nxc6 Qxc6 {The respective plans are laid down: White must push his f-pawn, Black his c-pawn} 15. Be3 Bf5 16. Rfd1 Rfd8 17. f3 {Before committing himself, White wishes to control d4, and especially c5, in order to cripple the Black Queenside majority} (17. Na5 Qg6 18. Nb7 d4) 17... Bf8 18. Qf2 a5 19. Rd2 $2 (19. Rac1 {Forestalling Black's ... Pb4}) 19... b4 { Thus Black gets his blow in first} 20. Rc1 Qa4 21. Nd4 Bg6 22. b3 { In this way White avoids losing a pawn, but he has to relax his pressure on c5} 22... Qe8 23. cxb4 Bxb4 24. Rdd1 c5 25. Nc2 Bxc2 26. Rxc2 d4 27. Bg5 Rd5 $2 { Not a good place for a Rook and allows White time to bring hs Kingside majority intoaction} (27... Rd7 28. f4 Qe6 29. Qf3 Qd5 $17) 28. f4 a4 29. Qf3 axb3 30. axb3 Rd7 31. f5 {The consequences of black's ommission are clear ... the White majority is in powerful action, and Black is hard put to find the right answers on the Kingside} 31... Rda7 32. Qg3 Ra1 33. Rcc1 Rxc1 34. Rxc1 Kh8 35. Rf1 Ra6 (35... Ra7 36. f6 g6 37. e6 $1) 36. h3 Qa8 37. Kh2 Qe8 38. Rf3 {This is too slow} (38. e6 fxe6 (38... f6) 39. f6) (38. h4) 38... Ba5 $1 39. Bf4 Bc7 40. Rf1 Ra8 41. Re1 Qc6 42. e6 (42. f6 gxf6 43. exf6 Rg8 $19) 42... Bxf4 43. Qxf4 fxe6 44. fxe6 (44. Rxe6 Qb7 45. Qe5 Qb8 $1) 44... Re8 45. e7 h6 46. Qf5 (46. Rf1 Qf6) (46. Qf7 Qd7) 46... Qd6+ 47. Kh1 Kg8 48. Re6 Qd7 49. Qe5 d3 50. Rd6 Qxe7 51. Qxe7 Rxe7 52. Rxd3 1/2-1/2