Author: Gopikrishna
Date: 01:49:04 07/28/04
Go up one level in this thread
On July 28, 2004 at 04:10:50, Tim Foden wrote:
>On July 28, 2004 at 02:07:15, Gopikrishna wrote:
>
>>On July 27, 2004 at 18:27:37, Robert Hyatt wrote:
>>
>>>On July 27, 2004 at 18:07:31, Gopikrishna wrote:
>>>
>>>>5 0.030 -3.849 35581 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
>>>> exd2+ 5. Kxd2
>>>>6 0.061 -1.326 70597 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Bf3+ 4. gxf3 Bb4
>>>> 5. Qg5+ Kf8 6. Qg7+ Ke8 7. Qxh8+ Bf8 8. Nxe3
>>>>
>>>>Like 5 ply search means its just normal moves excluding check and capture
>>>>extensions right? So it can be (5 normal moves + 3 check moves + 2 capture
>>>>moves) right?
>>>
>>>
>>>Who knows. Could be 5 plies + checks + captures + threats + passed pawn pushes
>>>+ singular moves + who-knows-what. Depends on the program/programmer...
>>
>>No like I mean how do you all calculate? That is my doubt is if suppose any
>>check move is made, then that is not counted right?
>
>No. You have the cause and effect the wrong way around.
>
> I mean its an extension I
>>believe? And similarly for captures also right? So suppose if we are searching 4
>>plies deep and if there is 2 check moves then we effectively search 6 plies deep
>>right?
>
>Yes, this is the right way around.
>
>>>>5 0.030 -3.849 35581 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
>>>> exd2+ 5. Kxd2
>
>In the above, the program was saying: "search 5 moves deep".
>
>The logic during the search would go something like this:
>
>Depth=5... Nf5
>Depth=4... Qb1+
>Depth=4... Kf2
>Depth=3... fxe3+
>Depth=3... Ke2
>Depth=2... Qe1+
>Depth=2... Kxe1
>Depth=1... exd2+
>Depth=1... Kxd2
>Depth=0... <empty q-search>
>
>Does this make it any clearer at all? Or just more confusing? :)
>
>Cheers, Tim.
Yes its clear :) Thanks Tim !
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