Lozza v1.17 release

[op12no2]

Hi,

My web browser based (*) engine Lozza has a few more features in this release, most significantly the ability to fork an analysis browser tab during a play and the mirror ability to fork a 'play from here' tab from an analysis tab - meaning you can construct a tree of independent games (lines) and analyses. The mate-in-1 training UI has had a few bug fixes and Lozza itself has been tuned up from v116.

http://op12no2.me/toys/lozza/index.htm?v=117

Estimated ELO is 2400 ish.

While Lozza was written to run natively in your web browser it can be used 'offline' in chess UIs (all platforms - Windoze/linux/mac/etc) by firing it up with Node (essentially a wrapper for Google's Javascript engine) . A copy of node.exe for win64 in included in the zip file below. See the readme.txt for notes.

http://op12no2.me/toys/lozza/release/lozza117.zip

(*) real-time interpreted Javascript - not to be confused with the compiled development language Java.

[op12no2]

I should add a warning to make things absolutely clear because it has caused some confusion in the past.

When you click "Analyse" (for example) the Javascript is running *on your machine in your browser*, it's not starting something in a remote server. It's just like Javascript in any other website; except that it happens to be a chess engine

As such is will eat a lot of your CPU time...

PS: I was amazed that Javascript was fast enough.

[op12no2]

The various user interfaces (play, analyse, UCI console, mate-in-1 etc) can be driven to some extent by URL parameters - which can be useful in emails and forum posts etc. The link below for example starts an analysis of Fine70.

But please heed the warning above - this is running on your machine and will eat CPU.

http://op12no2.me/toys/lozza/fen.htm?fe ... 0-&act=ana

The "Help" button on each UI page explains the available parameters.

PS: You'll see a BETA line in the above analysis - that's iterative deepening 'failng' high an researching.

[Graham Banks]

Starting a gauntlet today. Will email you.

[Sylwy]

http://www.talkchess.com/forum/viewtopi ... 45&t=50060