Any help appreciated.
Give an appropriate answer.
> games but with a contempt that it evaluates Knights better than bishops and avoids Knights exchanges but exchanges opponent knights for bishops ?
Do you mean "but exchanges opponent bishops for knights"? Otherwise it seems both sides would play equally.
Anyway, here it is:
White Knight millipawns=50
Black Knight millipawns=50
White Light Squared Bishop millipawns=-50
White Dark Squared Bishop millipawns=-50
Black Light Squared Bishop millipawns=-50
Black Dark Squared Bishop millipawns=-50
That's simple to make, but making it behave exactly as you want, that's hard (these values are based on Mindbreaker's values, but may be too small, try bigger numbers like 100 and -100 for stronger effect).
This shows knights as being stronger for both sides.
And for personality options I think this would be best:
White Pawn = 30
Black Pawn = 20
White Knight = 130
Black Knight = 90
White Light Squared Bishop = 90
Black Light Squared Bishop = 70
White Dark Squared Bishop = 90
Black Dark Squared Biship = 70
White Rook = 170
Black Rook = 130
White Queen = 410
Black Queen = 340
This setting will evaluate knights as being stronger than bishops,
minimize knight trades (when the white knight would be lost),
and readily trade off a white bishop for a black knight.
My settings tried to avoid that, by using negative values instead of upping everything.
>Do you mean "but exchanges opponent bishops for knights"? Otherwise it seems both sides would play equally.
well let me explain you as i know only you can help me as i think.
Question is where is knight better than a bishop ?
Answer is a bit awkward as others think. i.e. Open positions within middle game. and for bishops its closed positions.
All think that closed positions are better for knights but thing is other way round. this is not my idea it's M Chigorin's.
Its the base of my new experiment for some specific openings.
That is why Knights must be preferred more than bishops.
second thing is bishops are strong in endgames when 2 are there. In most computer games/Human too its rook endgames. But in terms of co-ordination Queen has the greatest when a knight is with her. So to make attack knight is a must. You can see that in games of Mikhail Chigorin and Petrosian who had weakness towards knights.
So that is why in most opening systems bishops are exchanged for knights to open the system and not to close it !!like in winawer , Nimzo indian , Philidor ,Tchigorin defence, Baltic defence and more.
PM me the settings if u find any.
>Question is where is knight better than a bishop ?
>Answer is a bit awkward as others think. i.e.
>Open positions within middle game. and for bishops its closed positions.
> All think that closed positions are better for knights but thing is other way round
No offense, but this is a ridiculous statement that flies in the face of a hundred years of chess theory and grandmaster praxis. It also defies logic -- knights have limited mobility and can leap other pieces. Hence, their increased value in the opening stages where pawns are plentiful and the position is closed. How, exactly, does a knight benefit from an open position? Put simply -- it usually doesn't unless there are other positional factors at play! Oh sure, you can find a few specific positions where the case could be made but in general you have it exactly backwards. Bishops are typically terrible in closed positions which is why their value often increases as the pawns leave the board.
Our very own Larry Kaufman wrote one of the seminal works on the subject of evaluating material imbalances. Anyone interested in creating engine personalities would do well to study his analysis. Creating unbalanced engine personalities is always risky business because the value of pieces can vary considerably depending on the other pieces in play.
Did you read properly ? what I wrote ?
I said within middlegame not in endgames and I stand correct What i say. If position get closed in openings then it favours bishop as bad bishops hold good pawns
In the other hand if opening gets opened it favours knights. It is just the contrary what others think. few examples. Obviously none other than Karpov. watch the 4th move!!
1 Deep Rybka 4.1 w33 +16/=29/-5 61.00% 30.5/50 //Score Offset millipawns: +250
2 Deep Rybka 4.1 w32 +5/=29/-16 39.00% 19.5/50 //Default
TC: 1 min/game. CPU: Q6600. Hash: 256 MB. Nalimov: full 3-4-5 on USB.
Book: Perfect2011, "Optimize", changing colors.
GUI: Fritz 11. Draw: early. Resign: early.
That's something new, so avoiding draws at all costs seems beneficial?!
The 95% probability low end is 26/50 or 52%
omprakash said: Ok I will try that
Let's wait and see!
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