Author: Sune Larsson
Date: 01:00:59 10/16/02
Go up one level in this thread
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 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.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.