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[DhtmlXQ_adddate]2020-02-09 12:28:10[/DhtmlXQ_adddate]
[DhtmlXQ_editdate]2020-02-09 12:28:10[/DhtmlXQ_editdate]
[DhtmlXQ_title]计算步数 辨别先手[/DhtmlXQ_title]
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[DhtmlXQ_owner]象棋残局解析[/DhtmlXQ_owner]
[DhtmlXQ_oldowner]象棋残局解析[/DhtmlXQ_oldowner]
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[DhtmlXQ_comment0] 从开局演变到前中局,有效步数在一定程度上反映了先手的状况。但到真正中局,步数已不起主要作用,亦不便计算,就不宜采用。 如图,红方的有效棋步是炮二平五,马二进三,车一进一,车一平四,车四进七,马八进七,兵七进一,兵五进一,炮八平九,车九平八,共10步。黑方的有效棋步是马8进7,车9平8,马2进3,卒7进1,炮8进4,车1平2,炮2进4,士4进5,共8步。双方比较,红多走2步,便认为红方先手。试拟红先着法如下:[/DhtmlXQ_comment0]
[DhtmlXQ_comment3] 避兑黑左炮打边兵,仍企图炮五平二打车。[/DhtmlXQ_comment3]
[DhtmlXQ_comment11] 红有强烈攻势,伏炮五平三打车后,跳马五进六咬马兼打车,黑难应付。[/DhtmlXQ_comment11]
[DhtmlXQ_comment1_15]红必得子。[/DhtmlXQ_comment1_15]
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