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Subject: Re: Two Diagrams included> GM Christiansen's rook sac -- Susan is right!

Author: Terry Ripple

Date: 00:28:14 10/03/02

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On October 03, 2002 at 03:20:55, Terry Ripple wrote:

>Hi Martin,
>I believe you over-looked a better move on move #63.e5! better than Qd3? Here
>are the begining moves from the diagram below:
>
>59....Qh3 60.Kc2 Qh2+ 61.Kb1 g2 62.Qf3 Kg5 63.e5! g1(Q) 64.Rxh2 Qxh2
>65.exd6 cxd6 66.Bb7 Rg1 67.Qd5+ Kh6 68.Qxd6 Qg3 69.Bf3! Rxd1+ 68.Qxd1
>
>[D]8/p1p5/Pp1p2nk/1P1B4/2P1Ppr1/1Q1K2p1/R5q1/3R4 b - - 0 59
>
>The below diagram is the final position from the moves presented at the top and
>shows there is equality in the position and would be very difficult to progress
>with the pawn because of the blockcade and also White's checks!
>
>Here is the analysis of the final position from Fritz 7: Opinions welcome!

>
>New position
>[D]8/p7/Pp4nk/1P6/2P2p2/5Bq1/8/1K1Q4 b - - 0 1
>
>Analysis by Fritz 7:
>
>1...Ne5 2.Qd6+ Qg6+ 3.Qxg6+ Kxg6 4.Bd5 f3 5.Kc2
>  µ  (-0.88)   depth: 6/20   00:00:00  26kN
>1...Ne5 2.Qd6+ Qg6+ 3.Qxg6+ Kxg6 4.Be4+ Kg5 5.Kc2 Nxc4 6.Kc3
>  µ  (-0.85)   depth: 7/22   00:00:00  56kN
>1...Ne5 2.Bd5 f3 3.Kc2 Kg5 4.Qf1 Kf4 5.Kd1
>  µ  (-0.91)   depth: 8/24   00:00:01  194kN
>1...Ne5 2.Bd5 f3 3.Qd2+ Kg7 4.Qe3 Kf6 5.Kc2 Qh2+ 6.Kc3 f2
>  µ  (-0.91)   depth: 9/24   00:00:05  624kN
>1...Ne5
>  ³  (-0.63)   depth: 10/28   00:00:14  1562kN
>1...Ne5 2.Qd6+ Qg6+ 3.Qxg6+ Kxg6 4.Be4+ Kg5 5.c5 Nc4 6.Bd3 Ne5
>  =  (0.00)   depth: 10/28   00:00:18  2065kN
>1...Qf2
>  =  (0.03)   depth: 10/28   00:00:21  2435kN
>1...Qf2 2.Be4 Qe3 3.Bxg6 Kxg6 4.Qg4+ Kf6 5.Qh4+ Ke5 6.Qe7+ Kd4 7.Qxa7 Qe1+ 8.Kb2
>Qe2+
>  =  (-0.07)   depth: 10/28   00:00:26  2982kN
>1...Qf2 2.Qd5 Qe3 3.Kc2 Kg7 4.Qd7+ Kf6 5.Bd5 Ne7 6.Qxa7 Nxd5 7.cxd5 Qc5+ 8.Kb3
>Qxb5+
>  =  (-0.04)   depth: 11/31   00:01:20  8152kN
>1...Qf2 2.Qd5 Qe3 3.c5 Qe1+ 4.Kc2 Qf2+ 5.Kc3 Qe3+ 6.Kc2
>  =  (0.00)   depth: 12/31   00:02:11  13267kN
>1...Qg5
>  =  (0.03)   depth: 12/33   00:02:49  17656kN
>1...Qg5 2.Be4 Qe7 3.Qd3 Qe6 4.Qd5 Qxd5
>  =  (0.00)   depth: 12/33   00:03:19  20737kN
>1...Qg5 2.Be4 Qe7 3.Qd3 Qe6 4.Qd5 Qh3 5.Bf3
>  =  (0.00)   depth: 13/31   00:04:44  29512kN
>1...Qf2
>  =  (0.03)   depth: 13/33   00:05:36  34490kN
>1...Qf2 2.Qd5 Qe3 3.Kc2 Ne5 4.Qd6+ Kg5 5.Qe7+ Kf5 6.Qf8+ Kg6 7.Qd6+
>  =  (0.00)   depth: 14/36   00:12:32  77020kN
>
>Regards,
>      Terry



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