[Event "Bad Woerishofen Schachfestival Open"]
[Site "Bad Woerishofen"]
[Date "2011.03.25"]
[Round "2"]
[White "Tiviakov, Sergei"]
[Black "Lieb, Harald"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2624"]
[BlackElo "2239"]
[Annotator "Tiviakov@gmail.com"]
[PlyCount "51"]
[EventDate "2011.03.24"]
[EventCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4
Nb6 9. O-O Bd7 10. f4 g6 11. Nf3 h5 12. Kh1 (12. Nc3 Be7 13. a3 a5 14. b3 Kf8
15. g3 a4 16. b4 Na7 17. Nd2 Rc8 18. Bb2 Qe8 19. Qe2 Kg7 20. Rac1 f5 21. exf6+
Bxf6 22. Nf3 Qe7 23. Ne5 Bxe5 24. fxe5 Rcf8 25. Rce1 Rxf1+ 26. Rxf1 Rf8 27.
Rxf8 Qxf8 28. Bc1 Be8 29. Bg5 Kg8 30. Qc2 Qf7 31. Ne2 Nc4 32. Nf4 Nxa3 33. Qa2
Nc4 34. Bxg6 Qf8 35. Nxe6 Qxb4 36. Qc2 Qe1+ 37. Kg2 Ne3+ 38. Bxe3 Qxe3 39. Bxe8
Qh6 40. Qf5 a3 41. Bg6 {1-0 Tiviakov,S-Daly,C/Port Erin (Isle of Man) 1998 (41)
}) 12... a5 13. a3 a4 14. Nc3 $146 (14. h3 Be7 15. Nc3 Na5 16. Qc2 Kf8 17. Rb1
Kg7 18. Ng5 Qe8 19. Rf3 Rc8 20. Qf2 Nbc4 21. Rg3 Bxg5 22. Rxg5 Nxa3 23. bxa3
Rxc3 24. Qd2 Qc8 25. Bb2 Rb3 26. Rc1 Bc6 27. f5 exf5 28. Bxf5 Qd8 29. Bd3 Rxd3
30. Rxg6+ fxg6 31. Qxd3 Nc4 32. Ba1 Qg5 33. Rf1 Ne3 34. Rf2 Rf8 35. Qe2 Rxf2
36. Qxf2 Nf5 37. Bc3 Qc1+ 38. Be1 Qe3 {0-1 Lockertsen,W-Johnsen,G/Tromsoe 1967/
EXT 2001 (38)}) (14. Bd2 Na5 15. Bxa5 Rxa5 16. b4 Ra8 17. Qb1 Rh6 18. Rc1 Be7
19. Ra2 Kf8 20. Rac2 Kg7 21. g3 Rh8 22. h4 Nc4 23. Rc3 Rc8 24. Neg1 Qb6 25.
Bxc4 dxc4 26. Rxc4 Rxc4 27. Rxc4 Bc6 28. Kh2 Rd8 29. Qc2 Rd7 30. Kh3 Qb5 31.
Qc1 Be4 32. g4 hxg4+ 33. Kxg4 Bd8 34. Rc5 Qd3 35. Rc3 Qa6 36. Qe1 Bf5+ 37. Kg3
Bb6 38. Qe3 Qb5 39. Nh3 Qd5 40. Nhg5 Rd8 41. Qe1 Rd7 42. Qd1 Qb5 43. Rc8 Rd8
44. Qc1 Qe2 45. Rc7 Bxc7 46. Qxc7 Rf8 47. Qxb7 Qd3 48. b5 Qxa3 49. d5 Qb3 50.
d6 a3 51. Qe7 a2 52. d7 Qd3 53. Qf6+ Kh6 54. Qe7 Kg7 55. Qf6+ Kh6 56. Qe7 Kg7
57. Qf6+ {1/2-1/2 Calero,I-Golz,W/Zinnowitz 1967/MCL (57)}) 14... Na5 15. Bc2
Nac4 16. Ng5 Qc8 (16... Be7 17. Qd3 {with an attack.}) 17. Rf3 Be7 18. Rh3 Rf8
$2 {#} (18... Qc6 19. g4 $14) (18... Bxg5 19. fxg5 $16) (18... Rg8 19. g4 hxg4
20. Qxg4 {and White has an attack.}) 19. Nxf7 $1 $18 Kxf7 20. Bxg6+ Kg7 21.
Bxh5 (21. Qxh5 Rh8 22. Bh7 $18) 21... Rg8 (21... Rh8 22. Qg4+ Kf8 23. Rg3 $18)
22. f5 exf5 23. Rg3+ Kh8 24. Bg6 Rg7 25. Qh5+ Kg8 26. Bf7+ 1-0

