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Chess Forum / General Topics / November 2008The Gustavian chessboard
King Gustav III of Sweden invented this board ( http://hem.passagen.se/melki9/gustaviii.htm ) and placed Amazons in the extra corners. But now I've found out that one can also leave the corners empty and make only one change of rule, namely "extended castling": when castling the king may jump three squares, but it can also jump two as usual. The rook ends up on its usual square. The extended castle makes play on the wings easier to achieve. The king can rapidly take control over the kingside or queenside corner square. When launching an attack on the wing, the extra corner square is very convenient, while the king can hide there, and move the pawns without compromising its position. Read more here: http://hem.passagen.se/melki9/adjutantchess1.htm Mats PS. This is not an attempt at vanquishing chess and ostracizing all traditional chessplayers, etc., etc. It is merely an interesting proposal to make the chessplayer's life more colourful. DS. > King Gustav III of Sweden invented this board (http://hem.passagen.se/melki9/gustaviii.htm) and placed Amazons in > the extra corners. But now I've found out that one can also leave the [quoted text clipped - 12 lines] > traditional chessplayers, etc., etc. It is merely an interesting proposal to > make the chessplayer's life more colourful. DS. An interesting variant, all the more so, in my opinion, for being relatively conservative, and not radically different from orthodox chess. In the variant where the extra corner squares are empty, is there any statistical evidence suggesting whether checkmate is much more difficult? One minor suggestion for your gustav chess web-page. In the sentence "Gustav was shot and deadly wounded in a plot conceived by hostile nobles," change "deadly" to "fatally" or "mortally." Unlike most English words ending in -ly, deadly is an adjective, not an adverb. Den 2008-11-30 17:58:56 skrev <taylor.kingston@comcast.net>: >> King Gustav III of Sweden invented this board >> ( http://hem.passagen.se/melki9/gustaviii.htm) and placed Amazons in [quoted text clipped - 24 lines] > nobles," change "deadly" to "fatally" or "mortally." Unlike most > English words ending in -ly, deadly is an adjective, not an adverb. Taylor, Thanks for the English correction. Of course, I haven't tested this extensively, but a weakness on the long diagonal is now much less dangerous. A party could even exchange his fianchetto king's bishop against a knight and escape with the king to the extra square, and even if the opponent has a bishop and a queen on the long diagonal, the king would be protected (provided that the first rank is protected). On the other hand, a weakness along the diagonal to h7 and h2, down to the extra square, is now more dangerous than before. But the central point is that mate must now be more common because the strategy can be less cautious. It's now much more likely that the g-pawn will move two steps. After all, in Fide-chess, this move is generally catastrophic, although one cannot resist doing it in blitz games. This has enormous strategical consequences, and bloody battles on the king's wing will ensue. The extra square could have some significance to the knight, also, as a maneuver square. (I downloaded an update to the Adjutant Chess program just now). Mats Den 2008-11-30 17:58:56 skrev <taylor.kingston@comcast.net>: >> King Gustav III of Sweden invented this board >> ( http://hem.passagen.se/melki9/gustaviii.htm) and placed Amazons in [quoted text clipped - 24 lines] > nobles," change "deadly" to "fatally" or "mortally." Unlike most > English words ending in -ly, deadly is an adjective, not an adverb. Taylor, Thanks for the English correction. Of course, I haven't tested this extensively, but a weakness on the long diagonal is now much less dangerous. A party could even exchange his fianchetto king's bishop against a knight and escape with the king to the extra square, and even if the opponent has a bishop and a queen on the long diagonal, the king would be protected (provided that the first rank is protected). On the other hand, a weakness along the diagonal to h7 and h2, down to the extra square, is now more dangerous than before. But the central point is that mate must now be more common because the strategy can be less cautious. It's now much more likely that the g-pawn will move two steps. After all, in Fide-chess, this move is generally catastrophic, although one cannot resist doing it in blitz games. This has enormous strategical consequences, and bloody battles on the king's wing will ensue. The extra square could have some significance to the knight, also, as a maneuver square. (I downloaded an update to the Adjutant Chess program just now). Mats |
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