lichess.org
Donate
 
Computer analysisMove timesCrosstableShare & export
FEN
[Event "Daily HyperBullet Arena"] [Site "https://lichess.org/qX5W9mSF"] [Date "2016.03.28"] [White "BitChess"] [Black "BahadirOzen"] [Result "1-0"] [UTCDate "2016.03.28"] [UTCTime "20:03:22"] [WhiteElo "2373"] [BlackElo "2903"] [WhiteRatingDiff "+22"] [BlackRatingDiff "-37"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "30+0"] [ECO "A04"] [Opening "Zukertort Opening: Pirc Invitation"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. Nf3 d6 { A04 Zukertort Opening: Pirc Invitation } 2. e3 Nd7 3. d4 e6 4. c4 Ne7 5. Be2 g5?! { (0.53 → 1.26) Inaccuracy. g6 was best. } (5... g6 6. O-O Bg7 7. Nc3 O-O 8. e4 b6 9. Be3 Bb7 10. Qc1 a5 11. b3 e5 12. d5) 6. O-O?! { (1.26 → 0.69) Inaccuracy. Nxg5 was best. } (6. Nxg5 Rg8 7. Nxh7 Bh6 8. Nc3 Rxg2 9. h4 Nf5 10. Bd3 Rg7 11. Ng5 a6 12. b3 Bxg5) 6... g4 7. Nfd2 h5 8. g3?! { (0.62 → -0.06) Inaccuracy. Nc3 was best. } (8. Nc3 f5 9. e4 f4 10. b4 a5 11. bxa5 Bg7 12. Nb3 e5 13. d5 O-O 14. f3 gxf3) 8... h4?! { (-0.06 → 0.84) Inaccuracy. f5 was best. } (8... f5 9. Nc3 Bg7 10. f3 Bf6 11. Nb3 a5 12. a4 b6 13. e4 Bb7 14. d5 exd5 15. Nxd5) 9. f3?? { (0.84 → -2.32) Blunder. Bxg4 was best. } (9. Bxg4 Nf6 10. Bf3 hxg3 11. fxg3 Nf5 12. Nb3 d5 13. Nc3 Bg7 14. Rf2 c6 15. c5 Bd7) 9... hxg3? { (-2.32 → -0.68) Mistake. Nf5 was best. } (9... Nf5 10. fxg4 Nxe3 11. Qe1 Nxf1 12. Bxf1 c5 13. Ne4 Bg7 14. Be3 Nf6 15. Nbc3 Nxg4 16. dxc5) 10. hxg3?? { (-0.68 → -2.57) Blunder. fxg4 was best. } (10. fxg4 Rxh2 11. Nf3 Rh8 12. Qe1 f5 13. g5 e5 14. Qxg3 Bg7 15. Nc3 Ng6 16. Qg2 Nb6) 10... gxf3?? { (-2.57 → -0.72) Blunder. Nf5 was best. } (10... Nf5 11. Ne4 d5 12. fxg4 dxe4 13. gxf5 Qg5 14. Kf2 Rh2+ 15. Ke1 Qxg3+ 16. Kd2 Nb6 17. b3) 11. Bxf3?! { (-0.72 → -1.77) Inaccuracy. Bd3 was best. } (11. Bd3 Nf5 12. Qxf3 Qg5 13. Bxf5 exf5 14. Nc3 Nf6 15. e4 Rg8 16. exf5 Qxg3+ 17. Qxg3 Rxg3+) 11... Ng6? { (-1.77 → -0.43) Mistake. Nf5 was best. } (11... Nf5 12. Qe1 Rg8 13. Rf2 Rxg3+ 14. Rg2 Rh3 15. Na3 Qh4 16. Qxh4 Nxh4 17. Rf2 a6 18. Nc2) 12. Kf2 Qe7 13. Bg2?! { (-0.12 → -1.06) Inaccuracy. Nc3 was best. } (13. Nc3 c6 14. Rh1 Rxh1 15. Qxh1 d5 16. cxd5 exd5 17. e4 Bg7 18. Nb3 dxe4 19. Bxe4 Qd6) 13... b6?? { (-1.06 → 4.15) Blunder. e5 was best. } (13... e5 14. Nc3 Nf6 15. Nde4 Ng4+ 16. Ke1 f5 17. Qa4+ Qd7 18. Qxd7+ Bxd7 19. Nf2 Nh2 20. Nd5) 14. Ke1?? { (4.15 → -0.36) Blunder. Bxa8 was best. } (14. Bxa8 e5 15. Nc3 Nf6 16. Nde4 Kd8 17. Nxf6 Qxf6+ 18. Ke1 Qg7 19. Qf3 f5 20. Nb5 a6) 14... Rb8 15. Nf3?! { (-0.15 → -0.78) Inaccuracy. Nc3 was best. } (15. Nc3 f5 16. e4 Bb7 17. Qe2 Bg7 18. exf5 Bxg2 19. Qxg2 exf5+ 20. Kd1 Bxd4 21. Nb5 Bf6) 15... Bb7 16. Ne5?? { (-0.78 → -5.83) Blunder. Nc3 was best. } (16. Nc3 c5 17. Rf2 Bg7 18. Kf1 f5 19. a3 O-O 20. b4 cxd4 21. exd4 f4 22. gxf4 Nxf4) 16... Bxg2 17. Rxf7?! { (-5.77 → -8.19) Inaccuracy. Nxg6 was best. } (17. Nxg6 fxg6 18. Rg1 Qg5 19. Qe2 Qxg3+ 20. Qf2 Qxf2+ 21. Kxf2 Bb7 22. Nd2 Rh2+ 23. Ke1 Be7) 17... Qxf7 18. Nxf7 Kxf7?? { (-7.15 → -2.89) Blunder. Rh1+ was best. } (18... Rh1+ 19. Kd2 Rxd1+ 20. Kxd1 Kxf7 21. Nc3 Bg7 22. Kc2 e5 23. d5 Bf1 24. Bd2 Bxc4 25. b3) 19. Qe2 Bb7 20. Qf2+?! { (-2.67 → -4.01) Inaccuracy. Kd2 was best. } (20. Kd2 Rh1 21. Nc3 Bg7 22. b4 Rbh8 23. Bb2 R8h2 24. Rf1+ Rxf1 25. Qxh2 Bf3 26. Kc2 Nf6) 20... Ke7 21. Bd2? { (-3.77 → -7.18) Mistake. Nc3 was best. } (21. Nc3 Bg7 22. e4 Rbf8 23. Qg1 c5 24. Bg5+ Bf6 25. Bxf6+ Nxf6 26. e5 dxe5 27. d5 e4) 21... Bg7 22. Kd1 Rhf8? { (-8.14 → -4.15) Mistake. Rbf8 was best. } (22... Rbf8) 23. Qe1 Rf3?! { (-3.87 → -2.96) Inaccuracy. Bg2 was best. } (23... Bg2 24. Ke2 Rf1 25. Qxf1 Bxf1+ 26. Kxf1 Rf8+ 27. Kg2 c5 28. Bc3 Bh6 29. dxc5 Nxc5 30. Nd2) 24. Kc2? { (-2.96 → -4.76) Mistake. Bc3 was best. } (24. Bc3 Bh6 25. Qh1 Rh8 26. Nd2 Bxe3 27. Qe1 Bf2 28. Qe2 Rh1+ 29. Kc2 Rxc3+ 30. bxc3 Rxa1) 24... Rxg3?? { (-4.76 → 3.71) Blunder. Be4+ was best. } (24... Be4+ 25. Kb3 Nc5+ 26. Ka3 Bxd4 27. Nc3 Bg7 28. b3 Ne5 29. Qg1 Bd3 30. Qh1 Rh8 31. Qg1) 25. Qc1?? { (3.71 → -4.81) Blunder. Qxg3 was best. } (25. Qxg3 Be4+ 26. Kb3 b5 27. Ba5 bxc4+ 28. Ka3 Rc8 29. Nc3 Bd3 30. Nb5 Nb6 31. Rh1 c3) 25... Rg2 26. Kd3? { (-4.10 → -7.05) Mistake. Kb3 was best. } (26. Kb3 Nh4 27. a4 c5 28. Ka2 Nf3 29. Bc3 cxd4 30. exd4 Nxd4 31. Qd1 Nf5 32. Bxg7 Rxg7) 26... Rxd2+?? { (-7.05 → -0.50) Blunder. c5 was best. } (26... c5 27. Kc3 Rh8 28. Kb3 cxd4 29. exd4 Bxd4 30. a3 Nc5+ 31. Ka2 Nd3 32. Qd1 Bxb2 33. Qc2) 27. Qxd2? { (-0.50 → -1.67) Mistake. Nxd2 was best. } (27. Nxd2 Nh4 28. Qg1 Nf5 29. Rf1 Bf6 30. Rf4 Rh8 31. Ne4 Rh7 32. Ng3 Nxg3 33. Qxg3 c5) 27... e5?? { (-1.67 → 0.08) Blunder. Nh4 was best. } (27... Nh4 28. Nc3 c5 29. Rf1 Nf3 30. Rxf3 Bxf3 31. Qf2 Bc6 32. Qh4+ Nf6 33. Nb5 Rg8 34. Nxa7) 28. Qc3?? { (0.08 → -3.16) Blunder. Nc3 was best. } (28. Nc3 exd4 29. exd4 Rg8 30. Rg1 Bxd4 31. Kxd4 Nge5 32. Rxg8 c5+ 33. Ke3 Nxc4+ 34. Ke2 Nxd2) 28... e4+?? { (-3.16 → -0.72) Blunder. Nc5+ was best. } (28... Nc5+ 29. Kc2 exd4 30. exd4 Be4+ 31. Kd2 Nh4 32. dxc5 Bxc3+ 33. Nxc3 Bg2 34. cxd6+ cxd6 35. Nb5) 29. Kd2?! { (-0.72 → -1.46) Inaccuracy. Kc2 was best. } (29. Kc2 Nh4 30. Nd2 Nf5 31. Rg1 c5 32. Rxg7+ Nxg7 33. dxc5 Nf5 34. cxd6+ Kxd6 35. Nb3 Rf8) 29... d5?? { (-1.46 → 1.76) Blunder. Rh8 was best. } (29... Rh8 30. Kc2 Rh2+ 31. Nd2 Nh4 32. Rg1 Bf6 33. Kb1 Re2 34. Kc1 Nf5 35. Nf1 Bh4 36. Rh1) 30. cxd5 Nf4? { (1.74 → 3.77) Mistake. Kd8 was best. } (30... Kd8 31. Qb3 Ne7 32. Nc3 Nf6 33. Rg1 Ne8 34. d6 cxd6 35. Qa3 Nc8 36. Ne2 Ke7 37. Qb3) 31. Qc1?? { (3.77 → -0.79) Blunder. exf4 was best. } (31. exf4 Bxd5 32. Qxc7 Rb7 33. Qc2 Bxd4 34. Nc3 Bc6 35. Nxe4 Nc5 36. Nxc5 bxc5 37. Re1+ Kd8) 31... Nxd5 32. Nc3?! { (-0.95 → -1.64) Inaccuracy. Qc2 was best. } (32. Qc2 Rh8 33. Qxe4+ Kd8 34. Nc3 Rh2+ 35. Ke1 N7f6 36. Qf3 Rxb2 37. Nxd5 Bxd5 38. Qf5 Rg2) 32... Nc5?? { (-1.64 → 2.40) Blunder. Nxe3 was best. } (32... Nxe3 33. Qg1 Bh6 34. Re1 Ng2+ 35. Kc2 Nxe1+ 36. Qxe1 Rh8 37. Qg3 Kd8 38. Nb5 Ke7 39. Nxc7) 33. Nxd5+ Bxd5 34. dxc5 Rd8?! { (2.27 → 3.37) Inaccuracy. Be5 was best. } (34... Be5 35. Qc2) 35. Qg1?? { (3.37 → 0.20) Blunder. cxb6 was best. } (35. cxb6 cxb6 36. Qc7+ Rd7 37. Qf4 Bxb2 38. Rh1 Bg7 39. Kc2 Bxa2 40. Rh7 Ke8 41. Qxe4+ Kf8) 35... Bc4+?? { (0.20 → 4.60) Blunder. Bxb2 was best. } (35... Bxb2 36. Kc2 Bxa1 37. Qxa1 Kd7 38. Qd4 Kc8 39. Qf6 Bxa2 40. Qf5+ Kb7 41. Qxe4+ Bd5 42. Qe7) 36. Ke1?? { (4.60 → -0.56) Blunder. Kc2 was best. } (36. Kc2 Bf6 37. Qh2 Rd5 38. Qxc7+ Rd7 39. Qb8 Bd3+ 40. Kb3 bxc5 41. Rh1 Bg7 42. Rg1 Bf6) 36... Bh6?? { (-0.56 → 7.15) Blunder. Bxb2 was best. } (36... Bxb2 37. Rc1 Bxc1 38. Qg7+ Bf7 39. Qg5+ Ke8 40. Qe5+ Kf8 41. Qxc7 Bd2+ 42. Ke2 Rd5 43. c6) 37. Kf2?? { (7.15 → 1.69) Blunder. Qh2 was best. } (37. Qh2 Bxe3 38. Qh4+ Kd7 39. Rd1+ Bd3 40. Qxe4 Bxc5 41. Rxd3+ Bd6 42. Qa4+ Kc8 43. Qxa7 Bb4+) 37... Bxe3+?? { (1.69 → 10.40) Blunder. Rf8+ was best. } (37... Rf8+ 38. Ke1 Rf1+ 39. Qxf1 Bxf1 40. cxb6 axb6 41. Kxf1 Bxe3 42. Re1 Bg5 43. Rxe4+ Kd6 44. Rg4) 38. Kxe3 Rd3+ 39. Kf4 Rf3+ 40. Kg5?! { (10.99 → 6.96) Inaccuracy. Kxe4 was best. } (40. Kxe4 Rd3 41. cxb6 axb6 42. Rc1 c5 43. Rxc4 Rd7 44. Qg6 Rd6 45. Qg7+ Ke6 46. Qg4+ Kf7) 40... Be6 41. Qg3?? { (6.75 → -5.59) Blunder. Qd4 was best. } (41. Qd4 e3 42. Qc3 Rf5+ 43. Kg6 Rxc5 44. Qxe3 Rc6 45. Qa3+ Kd7 46. Rd1+ Bd5+ 47. Kg5 Rd6) 41... Rf5+?? { (-5.59 → 7.18) Blunder. Rxg3+ was best. } (41... Rxg3+ 42. Kf4 Rg4+ 43. Ke5 bxc5 44. a4 e3 45. Re1 Rg2 46. Rxe3 Rxb2 47. a5 Rh2 48. a6) 42. Kg4?? { (7.18 → 1.01) Blunder. Kh4 was best. } (42. Kh4 Kd7 43. cxb6 axb6 44. Qg4 Rd5 45. Qxe4 c5 46. Qa4+ Kd6 47. Qf4+ Kc6 48. Qa4+ Kd6) 42... bxc5?? { (1.01 → 7.29) Blunder. Rf3+ was best. } (42... Rf3+ 43. Kh4 Rxg3 44. Kxg3 bxc5 45. Kf4 Bd5 46. a3 Kd6 47. Rh1 c4 48. Rh7 Kc6 49. Ke3) 43. Kh4 Re5? { (7.13 → Mate in 8) Checkmate is now unavoidable. Kd7 was best. } (43... Kd7 44. Re1 Rd5 45. Rxe4 Rd6 46. Qg6 Rc6 47. Re5 Rd6 48. Re4 a6 49. Re5 Rd4+ 50. Kh5) 44. Qg7+? { (Mate in 8 → 9.46) Lost forced checkmate sequence. Qxe5 was best. } (44. Qxe5 Kd7 45. Rd1+ Kc6 46. Qxe6+ Kb5 47. Rd8 c4 48. Qd5+ Ka6 49. Qc6+ Ka5 50. Rd5+ Kb4) 44... Kd6 45. Qxe5+?? { (8.25 → 0.17) Blunder. Qf8+ was best. } (45. Qf8+ Kc6 46. Qf6 Kd6 47. Qf4 Bc4 48. Rd1+ Bd3 49. Rg1 Kd5 50. Rg7 Bb5 51. Rxc7 a6) 45... Kxe5 46. Re1 Kd4 47. Re3?? { (0.08 → -62.93) Blunder. Kg3 was best. } (47. Kg3 Bxa2 48. Ra1 Bb3 49. Rxa7 c6 50. Ra6 Kd3 51. Rxc6 c4 52. Kf4 e3 53. Re6 Kc2) 47... Ke5?? { (-62.93 → 0.07) Blunder. Kxe3 was best. } (47... Kxe3 48. Kg5 Bxa2 49. Kf5 Kd3 50. Kf6 Kd2 51. Ke5 e3 52. Kf6 e2 53. Ke7 e1=Q+ 54. Kd8) 48. Re1 Kd4 49. Kg3 Ke5 50. Kh2 Kd6?! { (0.00 → 0.77) Inaccuracy. a6 was best. } (50... a6 51. Rc1 e3 52. Kg3 Kd4 53. Kf3 Bd5+ 54. Ke2 Bc4+ 55. Kf3 Bd5+ 56. Ke2 Bc4+ 57. Kf3) 51. Rd1+?! { (0.77 → 0.16) Inaccuracy. Rxe4 was best. } (51. Rxe4 Bxa2 52. Ra4 Bd5 53. Kh3 Ke5 54. Rxa7 c6 55. Kg4 c4 56. Kg5 Kd4 57. Ra3 Ke5) 51... Kc6 52. Rc1 Kb7?! { (0.14 → 0.91) Inaccuracy. Bxa2 was best. } (52... Bxa2 53. Ra1 Bc4 54. Rxa7 Bd3 55. Kg3 e3 56. Kf3 Kb6 57. Ra1 e2 58. Kf2 c4 59. Ke1) 53. Re1?! { (0.91 → 0.31) Inaccuracy. a3 was best. } (53. a3 Kc6 54. Kg3 Kb5 55. Kf4 Bd5 56. Re1 Kc4 57. Ke5 Bc6 58. Re3 Kb5 59. Rb3+ Kc4) 53... Kb6?! { (0.31 → 0.91) Inaccuracy. Bxa2 was best. } (53... Bxa2 54. Rxe4 Kb6 55. Kg3 Kb5 56. Kf2 Bc4 57. Ke3 Kb4 58. Kd2 Kb3 59. Kc1 a5 60. Re3+) 54. Re2?! { (0.91 → 0.17) Inaccuracy. a3 was best. } (54. a3 Bd5 55. Kg3 Kb5 56. Kf4 Kc4 57. Ke5 Bc6 58. Re3 Kb5 59. Rb3+ Kc4 60. Rc3+ Kb5) 54... Kb7?! { (0.17 → 0.91) Inaccuracy. Bxa2 was best. } (54... Bxa2 55. Rxe4 c4 56. Kg3 Kb5 57. Kf2 Kb4 58. Re3 Bb1 59. Rc3 a5 60. Ke3 a4 61. Kd2) 55. Re3?! { (0.91 → 0.31) Inaccuracy. a3 was best. } (55. a3 Bd5 56. Kg3 c6 57. Kf4 Ka6 58. Rh2 Kb6 59. Rh7 a5 60. Ke3 Kb5 61. Rg7 Kb6) 55... Ka8?! { (0.31 → 1.07) Inaccuracy. Bxa2 was best. } (55... Bxa2 56. Rxe4 Kb6 57. Kg1 Bd5 58. Re3 a5 59. Kf2 a4 60. Re5 Bb3 61. Ke3 Kb5 62. Re8) 56. Re2?! { (1.07 → 0.35) Inaccuracy. a3 was best. } (56. a3 Bd5 57. Rc3 c4 58. Kg3 Kb7 59. Kf4 Kb6 60. Ke5 c6 61. Kd4 Kb5 62. Rg3 Kb6) 56... Kb8?! { (0.35 → 1.07) Inaccuracy. Bxa2 was best. } (56... Bxa2 57. Rxe4 Kb7 58. Kg3 Kb6 59. Kf4 a5 60. Ke3 Bb3 61. Re7 Kc6 62. Kd2 a4 63. Kc3) 57. Re1?! { (1.07 → 0.35) Inaccuracy. a3 was best. } (57. a3 Bd5 58. Rc2 c4 59. Kg3 Kb7 60. Kf4 Kb6 61. Ke5 c6 62. Kd4 Kb5 63. Rg2 a6) 57... Kc8?! { (0.35 → 0.97) Inaccuracy. Bxa2 was best. } (57... Bxa2 58. Rc1 Kb7 59. Rxc5 c6 60. Re5 Bb1 61. Re7+ Kb6 62. Kg3 a5 63. Kf4 Kb5 64. Ke3) 58. Rd1?! { (0.97 → 0.35) Inaccuracy. a3 was best. } (58. a3 Bd5 59. Rc1 c4 60. Kg3 Kd7 61. Kf4 Kd6 62. Rg1 c6 63. Ke3 Kc5 64. Rh1 Kb5) 58... Kb7 59. Rd2?! { (0.74 → 0.10) Inaccuracy. a3 was best. } (59. a3 c6 60. Kg3 Bd5 61. Kf4 Kb6 62. Rg1 Kb5 63. Ke3 Kc4 64. Rc1+ Kb5 65. Kf4 Kb6) 59... Kb8?! { (0.10 → 0.73) Inaccuracy. Bxa2 was best. } (59... Bxa2 60. Kg3 Kc6 61. Kf4 Bb1 62. Rh2 Bd3 63. Ke3 Kb5 64. Rh7 Kb6 65. Kf4 Kc6 66. Ke3) 60. Rd3?? { (0.73 → -62.89) Blunder. a3 was best. } (60. a3 Kb7 61. Kg3 c6 62. Rd8 Bd5 63. Kf4 Kb6 64. Rb8+ Ka5 65. Rb7 Ka6 66. Re7 Kb6) 60... Kc8?? { (-62.89 → 0.43) Blunder. exd3 was best. } (60... exd3 61. Kg3 d2 62. a3 d1=Q 63. b4 cxb4 64. axb4 Qg4+ 65. Kf2 Qxb4 66. Kf3 Qe1 67. Kf4) 61. Rc3 Kb7 62. Rb3+?? { (0.60 → -51.97) Blunder. a3 was best. } (62. a3 Kc6) 62... Kc8?? { (-51.97 → 0.38) Blunder. Bxb3 was best. } (62... Bxb3) 63. Rb4?? { (0.38 → -51.11) Blunder. Ra3 was best. } (63. Ra3 Kb7 64. Kg3 Kb6 65. Kf4 Bd5 66. Rh3 Bxa2 67. Kxe4 Bc4 68. Ra3 a5 69. Rh3 Kb5) 63... Kd8?? { (-51.11 → 1.23) Blunder. cxb4 was best. } (63... cxb4 64. b3 Kd7 65. Kg3 Kc6 66. Kf2 Kc5 67. Ke3 Kd5 68. Kf2 Kd4 69. Ke2 e3 70. Kf3) 64. Rb5?! { (1.23 → 0.60) Inaccuracy. Ra4 was best. } (64. Ra4 Kc8 65. Rxa7 Bd5 66. Kg2 Kd7 67. Kf2 Kc6 68. Ke3 Kb6 69. Ra3 Kb5 70. Ra7 Kb6) 64... Ke8?! { (0.60 → 1.38) Inaccuracy. Bxa2 was best. } (64... Bxa2 65. Rxc5 Kd7 66. Ra5 Bc4 67. Ra4 Bd5 68. Kg3 e3 69. Rxa7 Kc6 70. Ra5 Bc4 71. Re5) 65. Rxc5 Kf8?! { (1.38 → 2.20) Inaccuracy. Bxa2 was best. } (65... Bxa2 66. Rxc7 a6 67. Rc6 e3 68. Kg3 Kd7 69. Rxa6 Bc4 70. Ra5 Kc6 71. Re5 e2 72. Kf2) 66. Rd5?? { (2.20 → -6.71) Blunder. Ra5 was best. } (66. Ra5 a6 67. Kg3 Bc4 68. Kf4 Ke7 69. Kxe4 Bf1 70. Kd4 Kd7 71. Rf5 Bb5 72. Kc5 Kc8) 66... Kg7?? { (-6.71 → 2.55) Blunder. Bxd5 was best. } (66... Bxd5 67. Kg1 Bxa2 68. Kf2 Bb1 69. Ke2 Ke7 70. Ke3 Bd3 71. Kd2 Kd6 72. Ke3 Ke5 73. Kd2) 67. Re5? { (2.55 → 1.17) Mistake. Ra5 was best. } { White wins on time. } (67. Ra5 a6 68. Kg3 Kf6 69. Kf4 Bc4 70. Kxe4 Ke6 71. Kd4 Bb5 72. a4 Bf1 73. Rd5 Bg2) 1-0