[Event "Hastings"] [Site "?"] [Round "0"] [White "Penrose"] [Black "Larsen"] [Result "0-1"] [ECO "B10"] [Opening "Caro-Kann: Two Knights, 3...dxe4"] {Active defence} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. b3 Rg8 7. Bb2 Bh6 8. Qe2 Bg4 9. O-O-O Nd7 10. h3 Bh5 11. g4 Bg6 12. h4 {Now it see ms Black is in real trouble; White threatens to win the Bg6 by Ph5. A whisper went round the tournament room that Larsen's game was lost} 12... Nc5 $3 13. Kb1 {Unpinning the d-pawn in the belieft Black's has nothing better thatn} (13. h5 Be4 {temporary and rather shaky}) (13. b4 Na6 14. h5 Bxc2 15. Kxc2 Nxb4+ 16. Kc1 Rxg4 {Black has three pawns for the piece and good attacking chances, the net result being Black is better}) 13... Qd5 $1 (13... Be4 14. d4 Bxf3 15. Qxf3 Ne6 16. d5 {White has a tremendous attack}) 14. d3 {Controlling the e4 square} (14. b4 Ne6 15. h5 Be4 {Black is fine}) 14... O-O-O $1 15. Bh3 $2 (15. h5 Be4 { pinning tactics on the d-pawn}) (15. Bg2 Bf5 $1 16. gxf5 Rxg2) (15. Bg2 Bf5 16. Bh3 Bxg4 17. Bxg4+ Rxg4 18. Qxe7) 15... Ne6 16. g5 $2 (16. h5 Nf4 17. Qxe7 Qxf3 18. hxg6 fxg6 19. Qxf6 Rgf8 20. g5+ Nxh3 21. Qe6+ {White holds}) 16... Bh5 { The Bishop which was virtually written off suddenly becomes a trump card} 17. Bxe6+ fxe6 18. Rh3 fxg5 19. hxg5 Rxg5 20. Bc1 Rf5 21. Bxh6 Bxf3 0-1