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Subject: Re: Many queens possible. Is it possible to save the rook?

Author: Dann Corbit

Date: 13:12:43 10/04/05

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On October 04, 2005 at 02:11:42, Uri Blass wrote:

>On October 03, 2005 at 21:12:30, Dann Corbit wrote:
>
>>{or is this the maximum material that can appear on the board in points?}
>>
>>[Event "Edited game"]
>>[Site "DCORBIT64"]
>>[Date "2005.10.03"]
>>[Round "-"]
>>[White "-"]
>>[Black "-"]
>>[Result "*"]
>>
>>1. d4 d5 2. Nc3 Nc6 3. Ne4 Ne5 4. dxe5 dxe4 5. c4 c5 6. Qd3 Qd6 7. exd6
>>exd3 8. f3 f6 9. Kf2 Kf7 10. d7 d2 11. d8=Q d1=Q 12. e4 e5 13. Ne2 Ne7 14.
>>Nd4 Nd5 15. exd5 cxd4 16. Qa5 Qa4 17. d6 d3 18. d7 d2 19. d8=Q d1=Q 20. Kg1
>>Kg8 21. Qdb6 Qdb3 22. c5 e4 23. c6 e3 24. c7 e2 25. a3 e1=Q 26. Qf2 Bd7 27.
>>c8=Q Qeb4 28. Qh5 Qf7 29. g4 b5 30. Bc4 bxc4 31. b3 c3 32. Qc7 c2 33. Bf4
>>c1=Q+ 34. Qf1 Qba5 35. b4 Qg5 36. b5 a5 37. b6 Qd4+ 38. Kg2 Ra6 39. b7 a4
>>40. b8=Q h6 41. h3 Kh7 42. Qf2 Bb4 43. axb4 a3 44. b5 a2 45. Rb1 a1=Q 46.
>>b6 Bc6 47. b7 Be4 48. fxe4 Qd8 49. Qbc8 Qaa2 50. b8=Q f5 51. e5 Qfg6 52. e6
>>Rf8 53. e7 Rg8 54. e8=Q Rf8 55. Bg3 f4 56. Rf1 f3+ 57. Kh2 Rg8 58. Rh1 Q6f6
>>59. Qg2 f2 60. Rb7 f1=Q 61. Rb6 Qfa1 62. Qee7 Kh8 63. Qa3 g6 64. Qh4 Qa5
>>65. Bf4 g5 66. Rg1 gxf4 67. g5 f3 68. g6 f2 69. g7+ Kh7 70. Rh1 Qfe2 71.
>>Qha4 Rh8 72. Qgc6 h5 73. Qcc5 f1=Q+ 74. Qf2 h4 75. Rb3 Re8 76. g8=Q+ Kh6
>>77. Rg1 Qcg5 78. Qge6+ Qg6 79. Rbg3 hxg3+ 80. Kh1 g2+ 81. Kh2 Kg5 82. h4+
>>Kh6 83. h5 Rf8 84. Rh1 Qgf6 85. Kh3 Kg5 86. h6 g1=Q+ 87. Qg2+ Kh5 88. h7
>>Qa1b1 89. h8=Q+
>>*
>>
>>[D]1QQq1r1Q/2Q5/r3Qq2/q6k/Q7/Q6K/q3q1Q1/1q3qqR b - - 0 89
>
>No
>
>It is not the maximal material
>It is possible to have 9 queens and 2 rooks for both sides and not only 8
>queens.
>
>
>[Event "120'/40+60'/20+30'+5""]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "New game"]
>[Black "Fruit 2.2"]
>[Result "*"]
>[PlyCount "124"]
>[TimeControl "40/7200:20/3600:1800+5"]
>
>{512MB, Fritz8.ctg, URI-AMD} 1. a4 b5 2. a5 b4 3. a6 Bb7 4. axb7 c5 5. Na3 bxa3
>6. b4 Nc6 7. c3 Nd4 8. cxd4 a5 9. e3 d5 10. Bc4 dxc4 11. b5 h5 12. g4 h4 13. d3
>a4 14. Ne2 a2 15. Ng3 hxg3 16. h4 Nf6 17. Bd2 Nh5 18. gxh5 g5 19. e4 f6 20. b6
>g4 21. Bg5 fxg5 22. e5 Bg7 23. d5 Bf6 24. exf6 e5 25. d4 Kd7 26. f7 e4 27. Kd2
>g2 28. f8=Q g1=Q 29. f4 Qf1 30. f5 g3 31. f6 g2 32. f7 g1=Q 33. h6 g4 34. h5 g3
>35. h7 g2 36. h6 Qh2 37. b8=Q g1=Q+ 38. Qe2 a3 39. Re1 Qfh3 40. b7 a1=Q 41. Qg8
>a2 42. Qgg2 Qb1 43. Qh5 a1=Q 44. Ke2 c3 45. Qa7 Qdc7 46. b8=Q c2 47. d6 Rc8 48.
>f8=Q Kc6 49. d7 c1=Q 50. d8=Q c4 51. h8=Q Qbb6 52. d5+ Kb5 53. d6+ Kb4 54. h7
>e3 55. Qhg8 c3 56. Kd3 c2 57. h8=Q Qcb2 58. d7+ Qcc5 59. Qde8 c1=Q 60. d8=Q Qh4
>61. Rd1 e2 62. Rf1 e1=Q *
>
>[D]rQrQQQQQ/Q7/1q6/2q4Q/1k5q/3K4/1q4Qq/q1q1qRqR w - - 0 63

Yes, I was very careless.
Both of the samples prove an interesting point, that I have never seen before.

Also, the games will cause a lot of engines to go into quiescent cardiac arrest
if you analyze the positions.




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