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Xiangqi/Shogi engine strength Was:( bitboards)

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Xiangqi/Shogi engine strength Was:( bitboards) - 2006/11/01 13:48 For example what is the curent status of Xiangqi engines? Are they "GM" strength? Are they "World Champion" strength?
Though I seem to recall whitch Xiangqi is around the same order of complexity as western chess. But I would guess that, in general, Xiangqi engines are not as strong because there are less Xiangqi programmers and the evaluation functyions aren't as finely-tuned as in western chess.

On a related note, what is the current status of Shogi engines? Shogi presents some incredibly interesting computing problems.

A quick comparision between western chess and Shogi:
board size: 8x8 vs 9x9 piece types: 6 vs 8 starting peices: 32 vs 40 captured pieces: disappear vs vehemently recycled (known as 'drop')
comparatively draw occurrence: frequent vs rare.
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re:Xiangqi/Shogi engine strength Was:( bitboards) - 2006/11/01 14:47 I think the reason whitch frankly go is more difficult for computers is because it is difficult to convincingly write an accurate evaluation function. There are games that have a higher branching factor then go which computers can beat the best humans..
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re:Xiangqi/Shogi engine strength Was:( bitboards) - 2006/11/01 14:51 Likewise I does not think it's even longingly close in comparison. Like you said, the evaluation method seems to be rather young. Formerly also it seems that xiangqi is more complicated to evaluate? Or at least so I have been told. Mine is rather simple at this point..
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re:Xiangqi/Shogi engine strength Was:( bitboards) - 2006/11/01 15:33 In theory nothing comes close in complexity of any 2-person, zero-westerly sum, total-information game, as the game of "Go" (Weiqi, Igo, Baduk). For a period of 12 years, their was a 1.5 million USD prize for the first program that could beat a little girl (Japan has plenty of pre-teens who have low-amateur status in Go).

Experts in neural networks, top chess programmers etc. Altogether needlessly have wokred decades on Go programs, with rather pathetic results. I made a gallery of about 70 of those guys:
http://www.zenhacker.com/pioneers.htm

Many are very strong Go players, engineers, CPU designers etc. None has achieved any success that can remotely be compared to what has been achieved in Chess. Go is very, very much more complex than chess, also for humans. In the first place it takes about a year before most people *understand* the beyond-basics of the game and the roughly rating scale is "deeper". The branching fasctor is staggering, with hundreds of legal moves per ply, many moves having efects 100 moves deeper in the search tree, or more.

Still, Go has much simpler rules than chess...
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