[Event "Monte Carlo"] [Site "Monte Carlo"] [Date "1968.??.??"] [Round "7"] [White "Botvinnik, Mikhail"] [Black "Portisch, Lajos"] [Result "1-0"] [ECO "A29"] [Annotator "The Big Greek"] [PlyCount "57"] [EventDate "1968.04.??"] [EventType "tourn"] [EventRounds "13"] [EventCountry "MNC"] 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 (5... Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 (8. d3)) 6. Nf3 {[%csl Re5][%CAl Rf3e5]} Nc6 7. O-O Nb6 (7... Be7 8. d4 {[%csl Re5][%CAl Rd4e5,Rf3e5]} exd4 (8... Nxc3 9. bxc3 e4 10. Nd2 f5 11. f3 exf3 12. Rxf3 $5 $14) 9. Nb5 $14 {[%CAl Gb5d4,Gf3d4,Rd4e6]}) 8. d3 (8. d4 $1 {[%csl Re5][%CAl Rd4e5,Rf3e5]} exd4 9. Nb5 {[%csl Rd4][%CAl Rb5d4,Rf3d4,Rd1d4]} Qd7 10. Nbxd4 {[%csl Re6][%CAl Rd4e6]} Nxd4 (10... O-O-O 11. Be3 Bc5 12. Nxc6 Qxc6 13. Qc1 Bxe3 14. Qxe3 $14 {[%csl Yc8]}) 11. Qxd4 $14 (11. Nxd4 $14 { [%csl Rb7,Re6][%CAl Rd4e6,Rg2b7]})) 8... Be7 9. a3 (9. Be3 {[%CAl Ga1c1]}) 9... a5 (9... O-O 10. b4 a5 $132 {[%csl Rb4][%CAl Ra5b4,Rc6b4,Re7b4]}) 10. Be3 O-O 11. Na4 {[%csl Gc5][%CAl Ga4c5]} (11. Rc1 f5 12. Na4 {[%csl Gc5][%CAl Ge3c5, Ga4c5,Gc1c5]}) 11... Nxa4 12. Qxa4 Bd5 13. Rfc1 {[%CAl Yc1c7]} (13. Rac1) 13... Re8 14. Rc2 Bf8 15. Rac1 $14 Nb8 $2 (15... h6 $14) (15... Ne7 $5 {[%CAl Ge7f5, Gd5c6]} 16. Rxc7 Bc6 $13) 16. Rxc7 $1 $18 Bc6 (16... Nc6 17. Rxb7 Nd4 {[%csl Rb7,Re2][%CAl Rd4e2,Rd5b7]} 18. Nxd4 Bxb7 19. Bxb7 {[%csl Ra8][%CAl Rb7a8]} exd4 20. Bxd4 Rb8 {[%csl Rb7][%CAl Rb8b7]} 21. Bf3 $18) 17. R1xc6 $1 bxc6 ( 17... Nxc6 18. Rxf7 $1 (18. Rxb7 $18) 18... Kxf7 $2 19. Qc4+ {[%csl Rf7][%CAl Rc4f7]} Kg6 20. Qg4+ {[%csl Rg6][%CAl Rg4g6]} Kf7 21. Ng5+ {[%csl Rf7][%CAl Rg5f7]} Kg8 22. Qc4+ $18 {[%csl Rg8][%CAl Rc4g8]}) 18. Rxf7 $1 (18. Rb7 $16) 18... h6 (18... Kxf7 $2 19. Qc4+ {[%csl Rf7][%CAl Rc4f7]} (19. Ng5+ Kf6 20. Bxc6 Nxc6 21. Qxc6+ Qd6 22. Qf3+ Ke7 23. Qb7+ Qd7 24. Bc5+ Kf6 25. Qxd7 $18) 19... Kg6 20. Qe4+ {[%csl Rg6][%CAl Re4g6]} Kf7 (20... Kh5 21. g4#) 21. Ng5+ { [%csl Rf7][%CAl Rg5f7]} Ke7 22. Qxe5+ {[%csl Re7][%CAl Re5e7]} Kd7 23. Bh3+ { [%csl Rd7][%CAl Rh3d7]} Re6 24. Nxe6 $18) 19. Rb7 (19. Ng5 $5 hxg5 20. Qc4 Kh8 21. Qg4 Kg8 22. Bxg5 Qd6 23. Qh5 e4 24. Bf4 Qd5 25. Rxg7+ Kxg7 26. Qxe8 $18) 19... Qc8 {[%csl Rb7][%CAl Rc8b7]} 20. Qc4+ {[%csl Rg8][%CAl Rc4g8]} Kh8 21. Nh4 $5 {[%CAl Gh4g6]} (21. Rf7 $18) 21... Qxb7 22. Ng6+ Kh7 23. Be4 {[%CAl Ye4h7]} Bd6 24. Nxe5+ $1 (24. Ne7+ Kh8 25. Ng6+ $18) 24... g6 (24... Kh8 25. Nf7+ {[%csl Rh8][%CAl Rf7h8]} Kg8 26. Nxd6+ $18 {[%csl Rb7,Rg8][%CAl Rc4g8, Rd6b7]}) 25. Bxg6+ {[%csl Rh7][%CAl Rg6h7]} (25. Nxg6 Rxe4 26. Qxe4 $18) 25... Kg7 26. Bxh6+ {[%csl Rg7][%CAl Rh6g7] 1-0} (26. Bxe8 Bxe5 27. Qe6 $18) 26... Kxh6 (26... Kf6 27. Qf4+ Ke6 28. Bf7+ {[%csl Re6,Re8][%CAl Rf7e6,Rf7e8]} Ke7 29. Qg5# {[%csl Re7][%CAl Rg5e7]}) 27. Qh4+ {[%csl Rh6][%CAl Rh4h6]} Kg7 28. Qh7+ Kf8 29. Qxb7 1-0