Search found 22 matches

by H.G.Muller
Mon Dec 23, 2019 9:16 am
Forum: News & Future Projects
Topic: Win-Draw rates when playing with various modified Pawns: The Lieutenant Pawns, Moscovia Chess
Replies: 3
Views: 1437

Re: Win-Draw rates when playing with various modified Pawns: The Lieutenant Pawns, Moscovia Chess

My experience is that it doesn't matter very much which engine you use, as long as you play it against itself. Because in that case any preference associated with style (e.g. like aggressively going for a King attack), and even plain misconceptions (wrong piece value that inverts the desirability of...
by H.G.Muller
Mon Dec 23, 2019 8:21 am
Forum: Musketeer Chess
Topic: Some results from Musketeer Chess End-Game Tables
Replies: 3
Views: 1389

Re: Some results from Musketeer Chess End-Game Tables

FairyGen is an EGT generator for pawnless 3, 4 or 5-men EGT with fairy pieces. It is available from my website at http://hgm.nubati.net/fairygen.zip . The package contains separate executables for 3-, 4- or 5-men endings, plus a piecedef.ini file that defines how the various pieces move. Usage is fo...
by H.G.Muller
Sun Dec 22, 2019 8:27 pm
Forum: Musketeer Chess
Topic: Some results from Musketeer Chess End-Game Tables
Replies: 3
Views: 1389

Some results from Musketeer Chess End-Game Tables

I investigated some pawnless end-games with Musketeer pieces, to determine their drawishness. (Which often plagues pawn-less end-games.) To this end I had FairyGen generate the required End-Game Tables, and interpreted their statistics. For a chess engine it is important to have such knowledge; othe...
by H.G.Muller
Sun Dec 22, 2019 1:04 pm
Forum: News & Future Projects
Topic: Win-Draw rates when playing with various modified Pawns: The Lieutenant Pawns, Moscovia Chess
Replies: 3
Views: 1437

Re: Win-Draw rates when playing with various modified Pawns: The Lieutenant Pawns, Moscovia Chess

How do you mean, remained high? I usually see only about 32% drawing percentage in orthodox chess. I am not sure that tinkering with the Pawns will achieve much in this respect anyway. The extra moves might help a bit for winning KP-K, but only a tiny fraction of chess games ends in KP-K. It doesn't...
by H.G.Muller
Fri Dec 20, 2019 9:42 pm
Forum: Musketeer Chess
Topic: Musketeer Chess engine (free download)
Replies: 1
Views: 962

Musketeer Chess engine (free download)

I converted my engine KingSlayer (a simple demo) to play Musketeer Chess, and made some slight adaptations to WinBoard to work well as an interface for this. I especially focused on human-engine games, and how the engine could use WinBoard to conduct the game 'prelude' in which the players negociate...
by H.G.Muller
Mon Dec 16, 2019 12:27 pm
Forum: Geneva Chess
Topic: Geneva Chess available on Musketeerchess.net
Replies: 6
Views: 8142

Re: Geneva Chess available on Musketeerchess.net

XBetza would allow you to create only e.p./o.c. rights in the non-passed square by splitting the oblique move in one that hops (and doesn't create rights) and one that 'moves' (and does create rights): ifmnarmnalWifmnarpalWifmnalmnarWifmnalparW The 'm' would all be redundant here, as move-only is th...
by H.G.Muller
Sat Dec 14, 2019 11:38 am
Forum: Geneva Chess
Topic: Geneva Chess available on Musketeerchess.net
Replies: 6
Views: 8142

Re: Geneva Chess available on Musketeerchess.net

OK, that explains it. So an oblique Pawn move like b2-c4 can generate both an e.p. square and an o.c. square, depending on presence of enemy Pawns (on a4 for e.p. and on b4 for o.c.). The o.c.-square is different from an e.p. square in that it matters which capture move (left or right) of the Pawn r...
by H.G.Muller
Thu Dec 12, 2019 3:48 pm
Forum: Geneva Chess
Topic: Geneva Chess available on Musketeerchess.net
Replies: 6
Views: 8142

Re: Geneva Chess available on Musketeerchess.net

The diagram still leaves it unclear over which square the oblique initial moves can be reached (i.e. where they couldbe blocked), and where after them an enemy Pawn has to move to in order to e.p. capture. If I understood Zied correctly, these are actually different squares, so that e.p. capture is ...
by H.G.Muller
Tue Dec 03, 2019 1:08 pm
Forum: News & Future Projects
Topic: NextGen Pawns, how to improve the Classic Chess Pawn
Replies: 17
Views: 4943

Re: NextGen Pawns, how to improve the Classic Chess Pawn

OK, so they capture diagonally forward, as usual. And the promoted piece can be captured e.p. My first impression is that Berolina, Shogi and Merry Pawns will work reasonably well; the others will probably not feel very Pawn-like. A less extreme version of Merry Pawns would be Metamachy Pawns: they ...
by H.G.Muller
Tue Dec 03, 2019 9:09 am
Forum: News & Future Projects
Topic: NextGen Pawns, how to improve the Classic Chess Pawn
Replies: 17
Views: 4943

Re: NextGen Pawns, how to improve the Classic Chess Pawn

It is not possible to judge pieces for which it is not fully specified how they move. I have for instance no idea what your picture for the Merry Pawn means? How do they capture normally? How do they e.p. capture? Most of the Pawns are not really Pawns, but weak pieces that can roam the entire board...