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Game Courier Logs. View the logs of games played on Game Courier.[All Comments] [Add Comment or Rating]He might have done it accidentally, since he repeated the same move.
Unicode Fonts with Chess Piece Images. 
Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]I'd like to nominate Nishiki-Teki. It's a cartoony "pop" font that takes a manga-styled approach to the detailed "traditional style" (kings and queens with decoration, rooks with masonry, knights with bases, realistic pawns) chess symbols. It also has variant pieces in its very extensive Private Use Area, mostly following Quivira's lead but with a few others from Unicode proposals, from U+FC2E0 to U+FC39E. The site is bilingual in Japanese and English.
Game Courier Logs. View the logs of games played on Game Courier.[All Comments] [Add Comment or Rating]I don't understand what happened in the following game log. It looks like my opponent might have illegally taken back some moves:
On Designing Good Chess Variants. Design goals and design principles for creating Chess variants.[All Comments] [Add Comment or Rating]To complete my examples of justifiable underpromotions in Seirawan Chess, here's a diagram where the move 1.Pf7-f8=A+ is the only way to win, underpromoting to an Archbishop. Note that if Black's king were initially on a8 (for example) then underpromoting to a Chancellor would be the only way to win.
I was doing some tests, and I found this:
1) I was playing shogi agains myself via the play button
2) I was using the symbolic set
3) I move the king pawns forward (both sides) until there is a capture
4) I move the rook in front of the king
5) I slide the rook to the promotion area
6) I prompt comes up "do you want to promote the rook ( +r-dest) I think"
7) I click the radio button for yes, and then hit play
8) a warning comes up you are about to send insecure information do you want to continue
Note: all urls from step 1-6 are https
9) some time of crash occurs and I get a default chess program at step 0
My best guess the "prompt" command is using http and not https.
I can send all my shogi moves if you want a log.
web-browser=firefox
Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]I got the same results on Linux Mint, and I found a site with a font preview that confirms it. So, I have moved it to the list of free fonts. Thanks.
The last one does on my computer:
So I was wrong, the font name is Noto Sans Symbols, not Noto Sans Symbol. The other two match DejaVu Sans on my computer, which is probably the first fallback in my font stack.
On Designing Good Chess Variants. Design goals and design principles for creating Chess variants.[All Comments] [Add Comment or Rating]Here's a possible Seirawan Chess position showing underpromotion to a Chancellor (best option, though not the only way to win). After 1.d7xc8=C+ ka7-b7 2.Cc8-e7+ White mates in two more moves. This appears to be faster than if White chose an Archbishop or R, while choosing a Q would stalemate Black.
@ Greg: I thought of a way to underpromote to a Chancellor just this morning, but felt it was too easy and not what you were initially doubting was feasible in the way of a justifiable underpromotion. I'll see if I can remember what I thought of.
Meanwhile, here's another Seirawan Chess possible position, this time with an underpromotion to a rook (I feel I thought of some other example position that was more crystal clear long ago, though); White's easiest way to win (if nothing else) is 1.Pe7xd8=R since if White chooses a B, Archbishop or a Q instead then 1...ac8-g4+ allows Black to at the least bother White for a while, since taking the archbishop stalemates Black. If White chooses a Chancellor instead then 1...ac8-b7+ may prolong the struggle considerably since taking the archbishop with either Chancellor stalemates Black.
Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]Do any of these tests show the same pieces as displayed on my Kindle Fire? They don't for me, not even in Fedora, which I tried with Virtualbox. It came with some versions of Noto Sans, but not Noto Sans Symbol.
Testing for Noto Sans:
♔♕♖♗♘♙ ♚♛♜♝♞♟
Noto Sans Symbol:
♔♕♖♗♘♙ ♚♛♜♝♞♟
Noto Sans Symbols:
♔♕♖♗♘♙ ♚♛♜♝♞♟
Fedora (a fairly old version thereof, since I'm not very dutiful about upgrading).
I wonder if Mint messed something up in their distribution? It doesn't make sense for them to deliberately take them out, and it's not like they're new additions to Unicode (they've been included since Unicode 1.0).
That's where I got it from last night. I have already checked the Noto fonts on Linux Mint, but they didn't seem to include their own Chess pieces, and I never saw the pieces I saw on my Kindle Fire on Linux Mint. What Linux distribution are you using?
On Designing Good Chess Variants. Design goals and design principles for creating Chess variants.[All Comments] [Add Comment or Rating] Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]The version I have was provided by my Linux distribution. Google's own link is here.
An update on this: the proposal was ultimately accepted. The final proposal mostly covers symbols from the fairy chess problemist tradition (e.g. rotated pieces), but does also include the knight-rook, knight-bishop, and knight-queen compound symbols. The characters are currently planned to be added to Unicode 12.0, which IIRC is scheduled to be published in March 2019, in the new "Chess Symbols" block (U+1FA00–U+1FA6F) that was added in Unicode 11.0 and currently includes symbols for Xiangqi.
Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]Give me a link where I can download the version you have or see this for myself.
On Designing Good Chess Variants. Design goals and design principles for creating Chess variants.[All Comments] [Add Comment or Rating]Here's a possible position from Seirawan Chess where White's best move is clearly 1.Pd7xc8=N, since promoting to a bishop or archbishop instead is meet by 1...ab8-d6+ and if the archbishop is taken by a White archbishop then stalemate occurs.
Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]That's strange. Noto Sans Symbol definitely has chess pieces; it covers the entire Miscellanous Symbols block up to Unicode 6.0, among others.
I just installed Noto Sans Symbols on my computer, and it does not appear to have its own set of Chess pieces. In NexusFont, it is defaulting to MS Gothic or MS Mincho, and in paint.net, it is defaulting to Meiryo or Segoe UI.
On Designing Good Chess Variants. Design goals and design principles for creating Chess variants.[All Comments] [Add Comment or Rating]I think I could have replaced the White A/f8 with a N in the diagram of my previous post, and still 1.Pd7xc8=B would be the best move, though I chose to be 'safer' by using an A just in case it mattered (not only that, but I got to use one more fairy chess piece, too).
Whether the White piece on f8 is an A or a N, a question might be whether the initial position could ever arise after some logical previous move(s) (i.e. a 'prequel' of some sort). At least the initial position could have legally arisen, even if it had to be via bad play at least on Black's part. Perhaps putting White's K on a different square on the h3-c8 diagonal at the start might allow for a logical prequel somehow, if it's necessary/possible. [edit: if a White N is initially on f8, perhaps having a Black R on c8 instead of a Q could better help in this regard]
Unicode Fonts with Chess Piece Images. Images of how the Unicode Chess piece characters are displayed in different fonts.[All Comments] [Add Comment or Rating]The "unknown font" appears to be Noto Sans Symbol, part of the Noto font family provided by Google that comes standard on Android.
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Thanks, I have added Nishiki-teki to the page.