Win-Draw rates when playing with various modified Pawns: The Berolina Pawns

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brainking
Posts: 2
Joined: Sun Apr 01, 2018 2:22 pm

Win-Draw rates when playing with various modified Pawns: The Berolina Pawns

Post by brainking » Mon Dec 02, 2019 8:19 pm

Hi
Currently extensive tests are on going, using Chess engines playing some of the Pawn variants showed previously in this thread.

Let's start with the Berolina Pawn: A fun variant to play and Watch. The inverted abilities of the Berolina pawns, allow short games, tactical play and is diverting.

Our extensive tests (thousands of games), showed the Following:

Win / Draw rates are: White 44% Black 36% Draw 10%.

We also noticed a change in the relative values of the Classic Chess pieces: The Queen relative value is stable, as it is the only piece that can attack alone the Berolina Pawns (this is clear in endgames).

Rook and Bishop are slightly less valuable. The Knight is slightly more valuable.

The Berolina Pawn itself:
In the beginning of the game it is probably slightly less valuable than the Classic Pawn. This relative value changes dramatically in the middle and endgame, where these pawns can become twice as valuable (or even more), especially when crossing half the Board and if they are passed pawns. This change is probably much more important for the Berolina Pawns compared to the Classic Pawns.

Further tests are needed with a bigger variety of openings.
analysing the games show major differences compared to Classic Chess.
Pawn Walls are almost impossible, thanks to the Superior mobility of the Berolina Pawns compared to their classic counter parts.
End Games can be crazy. Some pieces like Bishops (wrong colour) become almost useless!
Being a piece up doesn't grant you a win.
To stop the Berolina Pawns cooperation and coordination of various pieces is requested.

H.G.Muller
Posts: 15
Joined: Fri Oct 05, 2018 6:24 pm

Re: Win-Draw rates when playing with various modified Pawns: The Berolina Pawns

Post by H.G.Muller » Mon Dec 02, 2019 9:43 pm

Very interesting. I have a number of questions:

* What engine did you use for this research?
* How exactly did you determine the value of the various pieces?
* What does 'passer' mean for a Berolina Pawn?

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