9x9=81 September 1999

47th Ouza Match: Round 1

September 3, 1999
Ouza HABU Yoshiharu 1-0 8th dan MARUYAMA Tadahisa
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. P-3e N-7c 16. Bx3c+ Nx3c 17. P-3d N-4e 18. P-3c+ Nx5g+ 19. Kx5g B*3e 20. K-5h Bx2f 21. +Px3b Kx3b 22. B*6f B-4d 23. Bx4d Px4d 24. S-6h P*3f 25. G*3d B*6a 26. Gx4d P*2h 27. P*2c S-3c 28. Gx3c Kx3c 29. B*2b K-4b 30. Bx1a+ B-2e 31. P*3d P*4f 32. L*8f R-4e 33. +B-3c K-5b 34. N*4d K-6a 35. L-8c+ R*5d 36. K-6i R5dx4d 37. Px4f P-3g+ 38. K-7i Rx4f 39. Nx3g Rx4i+ 40. Sx4i Rx4i+ 41. P*5i G*6i 42. K-8h Gx6h 43. Gx6h S*7i 44. Kx7i +Rx5i 45. S*6i Bx6i+ 46. Gx6i S*6h 47. K-8h S*7i 48. K-9h G*8h 49. +Bx8h Sx8h+ 50. Kx8h B*5e 51. S*6f +R-4h 52. B*4c 1-0

10. ... R-8e: Chuza-Style Side Pawn.
13. ... P*8f 14. Px8f Rx8f 15. P-3e R-8e 16. S-3h Rx3e 17. P*8b (+/=)
14. S-3h: R-2f K-6h S-3h formation, cf. 70th Kisei match round 2 and 40th Oui match round 1.
15. ... Rx3e 16. Bx3c+ Nx3c 17. B*4f (+/-)
17. ... P*2e 18. R-2g N-4e 19. P-4f (+/=)
16. Bx3c+: Effect of this attack is the subject of this game.
18. B*6f B*4d (uc), 18. G-5h (or G-4h) N-6e (=/+). White's P*2e remains.
27. P*2c: I think Black has an advantage in this position.
27. ... Sx2c 28. P*3d Sx3d (28. ... S-2d 29. N*1f (+/=)) 29. B*2d (+/=)

47th Ouza Match: Round 2

September 20, 1999
8th dan MARUYAMA Tadahisa 1-0 Ouza HABU Yoshiharu
Static Rook Bear-in-the-Hole vs. Fourth-File-Rook

1. P-2f P-3d 2. P-7f P-4d 3. P-2e B-3c 4. S-4h R-4b 5. K-6h S-7b 6. K-7h P-9d 7. G4i-5h S-3b 8. P-9f G4a-5b 9. P-5f K-6b 10. B-7g K-7a 11. K-8h P-6d 12. P-6f S-4c 13. S-5g K-8b 14. G-6g P-7d 15. L-9h P-8d 16. K-9i G-6c 17. S-8h S-8c 18. S-6h G-7b 19. P-3f R-3b 20. P-4f S-5d 21. G-7h N-7c 22. S6h-7i R-4b 23. N-3g R-3b 24. P-1f P-3e 25. R-2f N-8e 26. B-6h B-5a 27. Px3e Rx3e 28. P*3f R-3d 29. P-8f P-9e 30. Px9e P*9g 31. Nx9g Nx9g+ 32. Lx9g P-6e 33. Px6e Sx6e 34. P*6f S-5d 35. S-8g P-8e 36. Px8e P*8d 37. Px8d Sx8d 38. P*8f P-7e 39. N*8e Px7f 40. P*7c G7bx7c 41. Nx7c+ Gx7c 42. P*7e P*9f 43. Sx9f N*8c 44. G*8e Sx8e 45. Px8e Nx7e 46. Gx7f P*7d 47. S*8d G-6c 48. P-5e Sx5e 49. P*5f Sx5f 50. P-4e S-6g= 51. Gx6g N*8g 52. K-8h Nx7i+ 53. Gx7e G*7h 54. K-8g Px7e 55. B-4f K-7a 56. N*5e G-6d 57. P*7c P-7f 58. S*7e Bx7c 59. N-6c= 1-0

3. P-2e: has an effect to prevent White's Tateishi-Style Fourth-File Rook, but gives White an occasion to choose Opposing Rook.
5. ... S-7b, 6. ... P-9d: Beginning of Fujii System.
8. P-9f: Often omitted when Black intends to castle the King in Bear-in-the-Hole.
9. ... K-6b: Out of Fujii System. Allows Blak's Bear-in-the-Hole and aims a slow game. If White doesn't want Black's Bear-in-the Hole, White must keep the King sitting and move P-6d, P-7d and N-7c to make a quick attack. Cf. 46th Ouza match round 3.
11. B-6h S-4c 12. P-2d Px2d 13. Bx2d R-2b 14. P*2e (=)
17. S-8h: Bear-in-the-Hole.
18. S-6h: If White had taken P-4e S-4d (or P-4e S-5d) formation, Black couldn't have drawn this Silver.
18. ... G-7b: Silver Crown.
22. S6h-7i: Black has a slight advantage.

47th Ouza Match: Round 3

September 29, 1999
Ouza HABU Yoshiharu 1-0 8th dan MARUYAMA Tadahisa
Chuza-Style Side Pawn

1. P-2f P-3d 2. P-7f 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-5h S-6b 13. G-3h P-7d 14. P-3f G-5a 15. N-3g P*2e 16. R-2i P*8f 17. Px8f Rx8f 18. S-4h N-7c 19. P-3e Rx7f 20. Bx3c+ Sx3c 21. Rx2e S-2b 22. R-2i P*2h 23. Gx2h R-2f 24. P*2g R-8f 25. S-8h P*3f 26. N-2e R-8e 27. B*4f N-3c 28. Nx3c+ Sx3c 29. N-7g R-4e 30. P-5f B*9d 31. K-6i N*7e 32. K-5h S-4d 33. P*7f Sx3e 34. B-5g P*8g 35. S-7i Bx7f 36. P*3c Gx3c 37. N*6h B-9d 38. P*7f Nx6g+ 39. Gx6g P-7e 40. B-6f S-4d 41. N*8f B-8c 42. R-3i R-3e 43. P*3g P-8h+ 44. Sx8h P*8e 45. Px3f R-3d 46. P*8d B-9b 47. Nx8e Nx8e 48. Px7e P-6d 49. N-7d S-6c 50. P-3e Sx3e 51. Bx3c+ Rx3c 52. P*3d Rx3d 53. G*4e P*3h 54. Rx3h P*3g 55. Rx3g N*2e 56. R-3i P*3h 57. Rx3h P*3g 58. R-3i R-3a 59. P*3b Rx3b 60. P*3c R-7b 61. Gx3e Sx7d 62. Px7d Rx7d 63. P*7f P-6e 64. Gx2e B-8a 65. N*5e K-5b 66. S*7e Rx7e 67. Px7e 1-0

10. ... R-8e: Chuza-Style Side Pawn.
15. ... P*2e: New move.
16. Rx2e Rx2e 17. Nx2e Bx8h+ 18. Sx8h 19. B*7c (=/+)
19. P-3e: Cf. 57th Meijin match round 2 and 40th Oui match round 2.
22. ... P*2h: Good move. 23. Rx2h P*3f 24. N-2e B*5e 25. P*7g Bx2h+ 26. Gx2h R-8f 27. P*8g R-8e 28. B*4f P-3g+ 29. Sx3g R*3i 30. P*2i Rx8g+ (-/+)
28. ... Sx3c: =/+, I think.

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