9x9=81 January 2001

50th Ohsho Match: Round 1

• January 9-10, 2001
• 9th dan TANIGAWA Koji 0-1 Ohsho (Kisei, Oui, Kiou, Ouza) HABU Yoshiharu
• Chuza-Style Side Pawn

1. P-7f P-3d 2. P-2f P-8d 3. P-2e P-8e 4. G-7h G-3b 5. P-2d Px2d 6. Rx2d P-8f 7. Px8f Rx8f 8. Rx3d B-3c 9. R-3f S-2b 10. P*8g R-8e 11. R-2f K-4a 12. K-6h S-6b 13. P-3f G-5a 14. S-3h P-7d 15. N-3g N-7c 16. P-4f R-5e 17. P-4e R-5d 18. Bx3c+ Nx3c 19. P-6f P*2e 20. R-2i P-6d 21. G-4h P-6e 22. B*8b R-6d 23. Px6e Rx6e 24. P*6g P*3e 25. Bx9a+ Px3f 26. Nx2e Nx2e 27. Rx2e P*2d 28. R-2i Rx4e 29. L*4g R-3e 30. +B-9b N*2e 31. +Bx7d P*6c 32. N*2g R-5e 33. P-5f R-5d 34. +B-7e B*2f 35. R-3i P*8h 36. Gx8h Rx5f 37. N-7g P*7d 38. +B-8d Rx7f 39. K-7h N-6e 40. S-6h P-7e 41. P*4i Nx1g+ 42. Lx1g Bx1g+ 43. R-1i +Bx2g 44. Sx2g P-3g+ 45. Lx4c+ Gx4c 46. N*3e G-4d 47. B*4c L*5d 48. B-2a+ +Px4h 49. +Bx2b +P-5h 50. S*3b K-5b 51. +Bx4d N*6f 52. +Bx6f +Px6h 53. Kx6h Rx6f 54. N-4c+ K-6a 0-1

• 16. ... R-5e: cf. 71st Kisei match round 5.

50th Ohsho Match: Round 2

• January 18-19, 2001
• Ohsho (Kisei, Oui, Kiou, Ouza) HABU Yoshiharu 0-1 9th dan TANIGAWA Koji
• White's Fourth-File Rook vs. Black's Left-Side-Silver Quick Attack

1. P-7f P-3d 2. P-2f P-4d 3. P-2e B-3c 4. S-4h R-4b 5. K-6h S-3b 6. K-7h S-7b 7. P-5f P-9d 8. P-9f K-6b 9. G4i-5h S-4c 10. P-3f K-7a 11. S-6h K-8b 12. S6h-5g G4a-5b 13. S-4f R-3b 14. P-3e P-5d 15. Px3d Sx3d 16. P-2d Px2d 17. R-3h P-4e 18. Bx3c+ Rx3c 19. B*6f P*3e 20. S4f-5g B*6d 21. P*2b Bx1i+ 22. Px2a+ R-4c 23. R-3i L*2e 24. Bx1a+ Lx2i+ 25. R-5i P-3f 26. N*8f S-3e 27. Nx9d K-7a 28. P*3d P-3g+ 29. Sx3g +Bx3g 30. Rx2i Lx9d 31. P-9e N*6e 32. S-6f P-4f 33. P-3c+ R-4d 34. +P-3d Rx3d 35. +B-1b R-4d 36. Px4f +B-3h 37. R-1i Lx9e 38. Lx9e P*4g 39. P-4e P-4h+ 40. Gx4h +Bx4h 41. Px4d N*9g 42. R-1h P*3h 43. R*4e +Bx6f 44. Px6f Nx8i+ 45. Rx6e S*8h 46. G-6h S-4f 47. N*4i S*5i 48. Rx3h S-4g+ 0-1

• 26. N*8f: Habu's comment: 26. L*4d to perpetual had been better.

50th Ohsho Match: Round 3

• January 29-30, 2001
• 9th dan TANIGAWA Koji 0-1 Ohsho (Kisei, Oui, Kiou, Ouza) HABU Yoshiharu
• White's Fourth-File Rook vs. Black's Static Rook P-5e Formation

1. P-7f P-3d 2. P-2f P-4d 3. P-2e B-3c 4. S-4h R-4b 5. K-6h P-9d 6. K-7h S-3b 7. P-5f S-7b 8. G4i-5h S-4c 9. S-5g P-9e 10. B-7g P-7d 11. P-6f P-6d 12. G-6g N-7c 13. P-5e R-5b 14. S-5f P-5d 15. R-5h Px5e 16. Sx5e S-6c 17. B-8f B-4b 18. P*5d S4cx5d 19. Sx5d Sx5d 20. K-8h G-3b 21. P-7e Px7e 22. Bx7e S*6c 23. B-8f K-4a 24. R-7h P*7d 25. R-2h G-5a 26. S-7h K-3a 27. B-6h P-6e 28. P-2d Px2d 29. Bx2d Bx2d 30. Rx2d Px6f 31. Gx6f B*5g 32. R-2f B-3e+ 33. R-2h P*2g 34. Rx2g P*2f 35. R-2h S-6e 36. P*5c Rx5c 37. P*5d Rx5d 38. S*5e R-5b 39. P*5c R-9b 40. Gx6e Nx6e 41. P*2c P*6g 42. P-4f N-5g+ 43. B*8a R-6b 44. S*2b Gx2b 45. Px2b+ Kx2b 46. G*7c R-6a 47. Bx6c+ Rx6c 48. Gx6c P-6h+ 49. R*7b P*6b 50. Gx6b G*8a 51. R-7c+ +Px6i 52. Sx6i B*8b 53. +Rx8b Gx8b 54. Gx5a R*5i 55. S*3b Kx3b 56. B*4a K-4c 57. P-5b+ S*3b 58. G*5d K-3c 59. Sx4d +Bx4d 60. Gx4d Kx4d 61. B*7g P*6f 62. Bx5i Sx4a 63. R*4e K-5d 64. B-8f S*7e 65. Bx7e Px7e 66. S*6e K-6c 67. +P-6b Kx6b 68. Rx4a+ P-6g+ 69. G-5b K-7c 70. +R-7a G*7b 71. S*7d K-8d 72. +Rx9a B*7i 0-1

• 13. P-5e: Cf. 11th Ryuo match round 1.

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