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Game Reviews by RobertoLavieri

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Hanga Roa. A chess variant inspired by the people of Easter Island. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Tue, Jan 20, 2004 02:30 AM UTC:Good ★★★★
It seems to be a nice game. I figure it is much more complex than it looks at first view. I´m not sure if the throwing of two Stones adds too much to the game, the density grows quickly, and some tactics would be difficult to perform, so there is the need of some non-trivial planning from the beginnings. A question: Can Arikis throw only ONE stone?. Can they move without any throw?. I have not played a complete game yet, I have only moved the pieces for a while, taking an idea of the game play, but I think that it is very difficult reach the other side goal, it looks more easy the surrounding objective of the game. I spent one hour this afternoon trying to implement a primitive version of a ZRF, but I have had some troubles with it. My impression is that Zillions is going to be a poor Hanga Roa player, I don´t know if there is other person trying an implementation, but the main problem may be the incapacity of Zillions to avoid fast losing positions in this kind of games, because the objectives of it.

Leap Chess. Game with mandatory captures and other Checkers-like elements on a board of 44 squares. (6x8, Cells: 44) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, Jan 22, 2004 06:09 PM UTC:Good ★★★★
Is there a little bug in the ZRF with the one-step slide movement-?. If so, it is not difficult fixing it.

Rococo. A clear, aggressive Ultima variant on a 10x10 ring board. (10x10, Cells: 100) (Recognized!)[All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Fri, Jan 30, 2004 08:27 PM UTC:Excellent ★★★★★
The game is excellent as it is -in its three variants-, and Ultima is, certainly, an extraordinary game too. These games are enterely different in the game play, and both are nice, each one with its own characteristics. No changes to any of them!.

Nova Chess. Members-Only Played on an 8x8 or 10x10 board with a wide range of pieces.[All Comments] [Add Comment or Rating]

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Ultima. Game where each type of piece has a different capturing ability. (8x8, Cells: 64) (Recognized!)[All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, Feb 5, 2004 12:51 PM UTC:Excellent ★★★★★
Ultima is a great game, regardless the opinion of the author, Robert Abbot, about 'what is wrong with Ultima'. The case is that many people around the world plays Ultima, and accept the game as it is. The game play is closed almost all the time, and it is not easy win this game, and draw is the most possible result in many games between two experienced players playing more or less well. If someone wants an improvement that add richness to the game play without the loss of the philosophy and main ideas behind Ultima, perhaps the most simple way is introducing two pieces missing with Queen movement: First, the Advancer, and second, The FIDE-QUEEN!. The idea is reduce the number of Long-Leapers and Chameleons to only one each, it is not clear the need of two of them, as pointed out by Antoine Fourriere. I have pre-tested a version with this new elements, and the game play is nice, more dynamic than the original game, but you can feel the essence of Ultima regardless the new changes. But this idea, and perhaps any other, could find resistance by the relatively numerous fans of this game, that continue playing it, as originally born.

Roberto Lavieri wrote on Tue, Feb 17, 2004 12:43 PM UTC:Good ★★★★
Michael, I think the Leo is a good idea, but it is the need of diminish a
little its power in this game. Unfortunatelly, Leo can conduct many stages
of the openings with attack of pieces and checkmate threats, with an
initial advantage for White. On possibility is that it moves like Queen,
but limiting its action: it need an ADJACENT intervening piece for attack
the next positions. I´ll try both of them in the next days. As it can be
easely noted when you try the variant, FIDE-Queen is very powerful in
Ultima, surprisingly it looks much more powerful here than in FIDE-Chess,
and it is certainly more powerful than the Long-Leaper. Advancer is a
little weaker, but LEO would be at least as powerful than the Queen.

Peter: I have dowloaded the Rococo variants. I have not tried it yet, but
I have the intuitive idea that the Archer is great for this game, but I
have serious doubts about the Bird. Other thing: I have my own Gallactic
Graphics and board for Rococo. I´ll send a copy to David and you, although
Alfaerie are very nice too.

Rococo. A clear, aggressive Ultima variant on a 10x10 ring board. (10x10, Cells: 100) (Recognized!)[All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Tue, Feb 17, 2004 08:29 PM UTC:Excellent ★★★★★
Peter, I have played a few quick games against Zillions. I´m greatly surprised of the Archer, it fits perfectly in the game and it adds new nice alternatives. i like it. As suspected, Birds are much more powerful than needed for the game, for this reason I prefer undoubtely the Rococo-Archer, more than the Bird-Archer and more than the original Rococo, this piece adds a lot to the game. It was not clear why two Long-Leapers in Rococo. With the Archer, one Long-Leaper is enough, and it is not necessary answer why. About Ultima, it looks fine with the Queen and the Advancer, but due the power of Queen the game play is notoriously different than in Ultima, I like it. I have not tried the Leo or the weak Leo yet, I´ll try to make a primitive code in the next days, and see what happens.

Roberto Lavieri wrote on Wed, Feb 18, 2004 02:40 AM UTC:Good ★★★★
Michael: I have had the idea of trying some Optima pieces for Ultima, too, although it seemed natural the first try with the FIDE-Queen, due the fact that all the pieces in Ultima move as the Queen. The Advancer looks fine in conjunction with the Queen (really good, you can essay), but I disagree with the presence of Withdrawer, it is a weak piece that is difficult to manage for attack (or defense!) purposes. I´m not enterely disconform with the Coordinator, it is a weak piece, but it adds some interesting possibilities to tactics. If you can suggest sustitutes to Withdrawer and Coordinator, or to the combination Queen-Advancer, I can test them in the context of the game. The idea is a game that preserves ULTIMA´s essence, but with a rich, relatively clear, nice and beautiful game play, usually the primary good ideas are not enough, one can be only convinced (perhaps never at all, due the self-criticism that acts as an impulse of human beings, looking always for better things) after some careful play-testing. We are trying to offer alternatives for a consolidated game with peculiar fans, We have did some things that I think are good, but it is ever a hard work redefining a game looking for improvements, because it is not easy stablish clearly the colective criteria, and what things are the things that the majorities really want.

Canonical Chess Variants. A family of chess variants that blends Xiang Qi and Western Chess. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Wed, Apr 7, 2004 03:17 AM UTC:Good ★★★★
Good family of games. Interesting and nice game play.

Comments on Grand Chess. Notes on Grand Chess and a variant. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, Apr 15, 2004 01:11 PM UTC:Excellent ★★★★★
Grand Chess is a game that is widely played with the stablished rules. I think that castling in any way may be rejected by the majority of players, the central position of King gives a special flavor to the game, and many times you can construct defensive structures using the power of pieces. The game seems to be always in an inflexion point, where you must decide between attack, defense or both, making the game very deep. Surprisingly, attacks are not easy to perform, regardless the position of the King. This game is excellent, and variations are more a curiosity or an attempt to explore new ideas than real improvements.

Brotherhood Chess. Pieces cannot take pieces of the same type. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Sat, May 1, 2004 11:33 AM UTC:Good ★★★★
This game was invented by Gianluca Vecchi in 1993, it is Chess with the rule: 'A piece can´t take another piece of the same type', more or less the same rule I adapted for Etcetera/Hexetera, although my two games have other pieces, other added rules and a clear oriental flavor. This rule enforces more positional games, and games in which sacrifices may be usual in the middle or end of games. I have noticed that this rule is particularily more interesting in games with a board of less dimensions. In 8x8 and Chess pieces, the result is that the average number of moves seems to increase significatively respect to Chess, but this is not demeriting per se, the game is really enjoyable.

Kinglet. Win by taking all the pawns of the opponent. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Tue, May 4, 2004 10:03 PM UTC:Excellent ★★★★★
We need a Preset in Courier for this extraordinary and simple variant of FIDE-Chess!

Hanga Roa. A chess variant inspired by the people of Easter Island. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, May 13, 2004 01:18 AM UTC:Excellent ★★★★★
The rating 'excellent' is for the beautiful set of pieces!. (the game itself is very nice too, although more complex than it appears at first. It is not easy stablish strategies, and if both bands play well, the path for a victory may be relatively long, I think, but I´m not completely sure because I don´t know how to play it really well. Some experience is needed, without doubts...)

Chogo44. Game with pawns and kings with co-enclosure capture. (7x8, Cells: 44) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, May 13, 2004 04:01 PM UTC:Good ★★★★
Interesting and nice game. My only observation is about the mass movement, I would prefer only lines of pieces, instead of rectangular masses. And, of course, there is also the practical reason: implementation in a computer program, or coding it in Zillions, is much more easy with lines instead of rectangular masses of pieces.

Roberto Lavieri wrote on Tue, May 18, 2004 01:12 PM UTC:Good ★★★★
This game has merits to be in the main cathegory. Is anyone trying to implement it in Zillions or making a Courier Preset?. The last thing is easy, at least a Preset that does not enforce the rules. I´m busy now and I´ll be in the next days, so I have little time to give a hand on this. I think the Zillions implementation is a lot of work, although it is clearly possible. I have thought a bit about a Zillions implementation, but I have not time enough to make the effort for a code soon, so if there is anybody trying to do it, or a Courier Preset, it should be good. Let me know.

Symmetron! 112. Large version of Symmetron!, with a third modifier. (11x10, Cells: 112) [All Comments] [Add Comment or Rating]
💡📝Roberto Lavieri wrote on Fri, Jun 4, 2004 02:32 AM UTC:Excellent ★★★★★
Well, it is finally released after a lot of changes and refinements, and never-end discutions with Antoine, who has a lot of the credit in the final version, with notorious differences with my first proposal. The community is invited to try this game, Zillions is not a very strong player of this game, but if you try it with Zillions, you are going to have an idea of this game. You may be surprised, it is really good, although this afirmation should seem not too modest, it is sincere. I like it. It is a Preset too, so this game is available to play in Courier.

Eurasian Chess. Synthesis of European and Asian forms of Chess. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Mon, Jul 5, 2004 12:45 AM UTC:Excellent ★★★★★
This is one of the best mixtures of 'Oriental' and 'Western' Chess variant I have seen, not only the setup but the rules seem to be carefully designed. The result is a very strategic and positional game in which dynamics can be explosive after some point. Material advantages seem to be much less important and decisive than in Fide-Chess, but position is definitely much more important. The density of power is perhaps a bit high, but it is correct for the concept of the game, and it is one of the reasons because little material advantages are not decisive many times. I have one OBSERVATION on the Board used in Zillions implementation and in the Courier Preset: It is beautiful, but somewhat hypnotizing, and can confuse the player in some moments (Well, this is perhaps a very personal appretiation that is influenced by my ocular limitations: I´m very close to the line that divides, speaking about visual capacity, the more or less normal people, and functionally invidents. I expect I´ll be over the line for some years, but I don´t know how much time). Regardless the beauty of the board, I´ll suggest Fergus add any other set with a new plain board, perhaps using light colors, but just squares. I´ll appretiate it, much more than many other players, you must be sure.

Switching Chess. In addition to normal moves, switch with an adjacent friendly piece. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Mon, Jul 12, 2004 06:53 PM UTC:Good ★★★★
This is a very interesting game, much more deep than FIDE-Chess. Try it!.

Straights. Chess-like Naval Battle game from the end of the 19th Century. (9x11, Cells: 81) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Wed, Jul 28, 2004 04:22 PM UTC:Good ★★★★
This is an interesting game, and ends are far from trivial. The observation I can see is that a draw may be the most possible result in almost all the games, if both teams play the game more or less decently, it is not so easy a win in many ends.

Nahbi Chess. Variant on 10 by 10 board with equator, Nahbi's and Archers. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Wed, Jul 28, 2004 04:35 PM UTC:Good ★★★★
I have played a test game against Zillions, and I liked it. Enjoyable, although the game was a little extense, around 120 moves. I´ll test it again soon.

Unicorn Chess. 10x10 variant with a new piece that moves as a Bishop or a Nightrider. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Fri, Jul 30, 2004 12:54 PM UTC:Excellent ★★★★★
Unicorn Great Chess is excellent. I think the table of value conversions given by Moussambani is, gross speaking, correct. Unicorn value is a bit less than that of a Queen, and in a 10x10 Board the Queen value is more or less the same of two Rooks or three minor pieces. Lion value is approximately the same of the Bishop value, and it is higher than the Knight value.

Eurasian Chess. Synthesis of European and Asian forms of Chess. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Fri, Jul 30, 2004 01:25 PM UTC:Excellent ★★★★★
It is not easy stablish the value of pieces in this nice game, because it depends strongly in position and in the total amount of pieces in the game. Cannon and Vao are very powerful pieces when there are many pieces in the game, but its value diminishes a lot once the game is becoming sparse. Queens are not very powerful in the initial moves, in fact, it is an uncomfortable piece when there is a high density of pieces in the game, but its value increases progressively when the game is going to simplified stages. This is a game with an initial high density of power, because Cannons and Vaos are very powerful at the beginnings. Kings are vulnerable enough, and many pieces can be tactically attacked soon, and by this reason material advantages are not as important than positional advantages. I am not going to give a table of values for this game, I think it would be of little help as orientation, the value of pieces is a function of position and the pieces in play in any moment. This criterium applies to some other games like Chess in a Larger Board with no so Few Pieces Added and Symmetron!112, between many others.

Bifocal Chess. A game without capture : win by checkmate with a neutral piece! (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Mon, Aug 9, 2004 02:30 PM UTC:Good ★★★★
This game is very interesting and certainly playable. It is not easy construct a game without captures, without promotions or demotions wich can be a good game, and this is!. Enjoyable inspiration of Antoine!. Zillions is not a strong player, if you are tempted to try the ZRF implementation.

AmazonsA game information page
. Amazons and a computer version.[All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Tue, Sep 21, 2004 09:13 PM UTC:Excellent ★★★★★
Amazons is a great game. I can´t say it is a Chess Variant, the game is of
territorial nature, and it is perhaps more close to Go. This game is
moderately popular, perhaps more in South America than in other lands, I
have seen it passionately played by a few universitary students, but it is
not still a very diffused game, though. It is not easy implement a good
program which plays Amazons well, but I have seen a couple of free
decently strong programs for this game. You can try YAMAZON (v0.48), by
Hiroshi Yamashita (http://www32.ocn.ne.jp/~yss/index.html), a very good
contendor and a real challenge for intermediate players, and the
reasonable strong program INVADER (v 2.1), by Richard Lorentz, which plays
 Amazon in a board of NxM http://www.csun.edu/~lorentz/amazon.htm). 
If you try these programs you are going to be greatly surprised, unless
you are a very high-level player.

Whale Shogi. Shogi variant. (6x6, Cells: 36) [All Comments] [Add Comment or Rating]
Roberto Lavieri wrote on Thu, Sep 30, 2004 01:14 AM UTC:Good ★★★★
Whale Shogi is a very good game. A ZRF would not be very difficult, I´m sorry I have not time enough to do it, for a while, but perhaps other people can be encouraged to write the code.

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