Author: Sune Larsson
Date: 06:17:46 10/16/02
Go up one level in this thread
On October 16, 2002 at 08:31:52, Terry Ripple wrote:
>On October 16, 2002 at 04:00:59, Sune Larsson wrote:
>
>>On October 15, 2002 at 23:07:26, Louis Fagliano wrote:
>>
>>>Mark Young posted that he wasn't sure if there is a win with best play in the
>>>final position of game 6.
>>>
>>>He gives 35. Rxa6 b2 36. Ra7+ Kg6 37. Rd7 Rc1 38. Rd6+ Nf6 39. Rdd1 b1Q 40. Rxc1
>>>Qf5 41. *Rc4*
>>
>>
>>
>> There's an easier way for white to draw here, as pointed out by Ricardo:
>>
>> 41.Rc6 b5 42.Ree6 b4
>>
>>[42...Kg7 43.Rxf6 Qxf6 44.Rxf6 Kxf6 45.Kf1=]
>>
>>43.Rb6 Kf7 44.Rxf6+ Qxf6 45.Rxb4=
>>
>>/s
>--------------------------------------
>
>Here is the analysis from your move "Rc6" in which Tiger 14 wins with Black!
>The time control used was 40 moves/90 minutes
>
>I think that many here are using a too fast of a time control for the very
>complex positions which demand more accuracy than you get from fast control!
>
>I believe that it was Mark Young who got a draw with "Rc4" using Fritz7!
>
>42."Rc6" b5 43.*Re7*
Ree6 was Ricardo's draw line - look above.
/s
Kh5 44.Rce6 Kg4 45.Re5 Qf3 46.Re3 Qd1+ 47.Kg2 Qd5+
>48.f3+ Kf5 49.Re2 b4
>
>50.Rb2 Qd3 51.Rb7 Nd5 52.Rb8 Qc3 53.Re2 b3 54.Rf8+ Kg6 55.Rg8+ Kf7 56.Rb8 h5
>57.Rb7+ Kf6
>
>58.Rd7 Ne3+ 59.Kf2 Nf5 60.Rd5 Qb4 61.g4 Qb6+ 62.Ke1 Ng3 63.g5+ Kg6 64.Re8 b2
>65.Rd1 Kf7
>
>66.Re5 Qg1+ 67.Kd2 Qxd1+ 68.Kxd1 b1Q+ 69.Kd2 Qb2+ 70.Kd3 Qxe5 71.f4 Qxf4 72.g6+
>Kxg6 73.Kc3
>
>h4 74.Kd3 h3 75.Kc3 h2 76.Kd3 h1Q 77.Kc2 Qc4+ 78.Kb2 Qhc1# 0-1
>
>Regards,
> Terry
>
>
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>> Qd5 42. Rb4 Qc5 43. Reb1 Nd5 44. Rb5 Qc4 45. R1b2 Kf5 46. Rb1 h5 47.
>>>R1b3 Kg4 48. Kh2 h4 49. gxh4 Qd4 50. Rg3+ Kxh4 51. Rh3+ Kg4 52. Rg3+ Kf4 53. Kg2
>>>Ke4 54. Kg1 Qd2 55. Rb1 and here he continues with 55... b5 56. Rg2 Kd4 57. Rxb5
>>>Nf4 58. Kh2 Qe1 59. Rb8 Kd5 60. Rd8+ Kc5 61. Rf8 Ne6 62. Rf5+ Kb4 63. Rg4+ Kb3
>>>64. Rf3+ Ka2 65. Re3 Qd1 ending in a draw.
>>>
>>>But Instead of 55... b5 how about 55... Nf4 instead?
>>>
>>>Black can win this two rooks vs a queen and knight ending as follows:
>>>
>>>56. Re3+ Kf5 57. Rb5+ Nd5 58. Kg2 Kf4 59. Ra3 Qc2 60. Rf3+ Ke4 61. Rfb3 Qe2 and
>>>here White might play for a trap with 62. Rxb6!? hoping for 62... Nxb6? 63. Re3+
>>>drawing! But Black wins by playing 62... Qg4+ first and after 63. Kh2 Qh5+ 64.
>>>Kg1 then taking the rook with 64... Nxb6.
>>>
>>>If White plays 62. Kg3 Black finishes off with 62. ... Qe1 63. Rb1 Qc3+ 64. Kh2
>>>Qf6 65. R1b2 Kf3! threatening 66... Qh6+ 67. Kg1 Qg5+ 68. Kf1 Qc1#. White would
>>>have to play 66. R2b3+ and after 66... Nc3 this time the threat is 67... Qh4+
>>>68. Kg1 Qxf2+ 69. Kh1 Qg2#. Thus White has to give up a rook and play 67. Rxc3+
>>>Qxc3 with a straightforward win.
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