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June 27, 2005

あなたは勝てますか 最強のフリー(無料)将棋ソフト「bonanza(ボナンザ)」

先日、アマチュア竜王戦の全国大会に将棋ソフト「激指」が出場し、ベスト16まで勝ち上がったことが話題になりました。もちろんソフトの出場は初めてで全国の将棋ファンが注目していました。
さて、現在の将棋ソフトの強さはアマ5段くらいだそうです。ですからアマ全国大会でベスト16に入ったのは当然の結果と言えるでしょう。ソフトの中盤・終盤力はすでにプロ並の強さなので、これからの課題は序盤の改良になります。定跡(過去の対局から作られた理想的な手)に沿って指しているうちは強いのですが、定跡を外れるとおかしな手を指してしまうことがあります。私は駒得や詰みが関係しない局面でどれだけ人間の感覚に近づけるかがポイントだと思います。来年は必ず今年以上の成績を出してくれることでしょう。
読売のニュース記事
http://www.yomiuri.co.jp/national/culture/news/20050626i513.htm
ところで「激指」や「東大将棋」など有名なソフトは定価が1万円以上します。なので将棋が好きな人でないと手が出ません。「強いソフトとやりたければ高額な金が必要」。これが今までの常識でした。しかし、今年の6月上旬、この常識を覆すようなすごいソフトが公開されました。名前は「bonanza(ボナンザ)」と言います。フリーソフトで誰でも無料でダウンロード&コンピュータと対局ができます。無料の将棋ソフトは過去にもあったのでそれだけでは注目に値しないのですが、これのすごいところはその強さです。一般的な無料ソフトは娯楽程度(低級者)の実力しかなく、平気でおかしな手を指しましたが、ボナンザは無料でありながら、1万円以上する「激指」や「東大将棋」と互角に戦えます。とにかく驚きの一言です。
ただ、無料ソフトなので細かい設定や絵のきれいさでは劣ります。しかし、想像を超える強さの前にそんなことはどうでもよく思えてしまいます。
嘘だと思う人は一度戦ってみてください。
「ボナンザ」のダウンロードはこちら
http://www.geocities.jp/bonanza_shogi/#about_bonanza

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