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Subject: Re: Testposition from Smirin - ChessTiger

Author: Amir Ban

Date: 04:22:57 04/29/02

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On April 28, 2002 at 23:21:00, Robert Hyatt wrote:

>On April 28, 2002 at 16:53:14, Gian-Carlo Pascutto wrote:
>
>>[D]r4k2/1p2q2p/1Q2bp1P/rP2p1p1/P2pP3/2bP2P1/3N1PBK/R1R5 b - - 0 29
>>
>>Avoid mode : Bxa1
>>
>>27 seconds to fail low for Sjeng, 57 to find a new move. I do
>>not know if it is really better though.
>
>
>
>I lose Bxa1 almost immediately:
>
>                8     1.74  -2.80   1. ... Bxa1 2. Rc7 Qd8 3. Qxb7 Qe8
>                                    4. Rxh7 Qh5+ 5. Kg1 Qd1+ 6. Nf1 Rxa4
>                8     2.77  -3.05   1. ... R5a7 2. Rab1 Ba5 3. Qc5 Qxc5
>                                    4. Rxc5 Bxd2 5. Rc2 Bc3
>                8->   4.20  -3.05   1. ... R5a7 2. Rab1 Ba5 3. Qc5 Qxc5
>                                    4. Rxc5 Bxd2 5. Rc2 Bc3
>                9     6.52  -2.87   1. ... R5a7 2. a5 Bxa5 3. Rxa5 Rxa5
>                                    4. Rc7 Rxb5 5. Rxe7 Rxb6 6. Rxh7
>                9->   9.59  -2.87   1. ... R5a7 2. a5 Bxa5 3. Rxa5 Rxa5
>                                    4. Rc7 Rxb5 5. Rxe7 Rxb6 6. Rxh7
>               10    12.89  -2.70   1. ... R5a7 2. Nf3 g4 3. Nh4 Bxa1 4.
>                                    Rc7 Bd7 5. Nf5 Qf7 6. Qd6+ Ke8
>               10    27.15  -2.78   1. ... g4 2. Rab1 Ba2 3. Rc2 Bxb1 4.
>                                    Nxb1 Rxa4 5. Nxc3 dxc3 6. Rxc3 Ra2
>         (3)   10->  30.08  -2.78   1. ... g4 2. Rab1 Ba2 3. Rc2 Bxb1 4.
>                                    Nxb1 Rxa4 5. Nxc3 dxc3 6. Rxc3 Ra2
>
>         (2)   11    38.17  -2.52   1. ... g4 2. Rc2 Bxa1 3. Rc7 Qd8 4.
>                                    Qxe6 Qxc7 5. Qxf6+ Qf7 6. Qh8+ Ke7
>                                    7. Qxe5+ Kf8 8. Qh8+ Ke7
>         (4)   11->   1:28  -2.52   1. ... g4 2. Rc2 Bxa1 3. Rc7 Qd8 4.
>                                    Qxe6 Qxc7 5. Qxf6+ Qf7 6. Qh8+ Ke7
>                                    7. Qxe5+ Kf8 8. Qh8+ Ke7
>         (3)   12     1:37  -2.41   1. ... g4 2. Rc2 Bxa1 3. Rc7 Qd8 4.
>                                    Qxe6 Qxc7 5. Qxf6+ Qf7 6. Qh8+ Ke7
>                                    7. Qxe5+ Kd7 8. Nc4 Rxa4
>

The last 3 PV's are actually drawn (4. Nc4 etc.).

There's too much emphasis given here to tactics. When you start by evaluating
the base position as -2 or worse, your search engine will be working overtime to
prove that you are wrong.

Amir




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