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[DhtmlXQ_adddate]2008-10-03 21:39:01[/DhtmlXQ_adddate]
[DhtmlXQ_editdate]2008-10-03 21:39:00[/DhtmlXQ_editdate]
[DhtmlXQ_title]上海孙勇征先胜厦门郑一泓【棋艺8】[/DhtmlXQ_title]
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[DhtmlXQ_open]C46 中炮过河车互进七兵对屏风马平炮兑车 红左边炮对黑退边炮上右士右直车[/DhtmlXQ_open]
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[DhtmlXQ_comment15]至此,形成五九炮过河车对屏风马平炮兑车的布局体系,这是中炮对屏风马布局体系中最常见的一种阵势,攻防变化十分复杂。今年"惠州华轩杯"全国象棋甲级联赛比赛局分计分方法为胜局2.5分:和局红方1分,黑方1.5分。因此棋手执先时,必然会选择复杂多变的布局以争取胜利:而棋手执后时,则采取以逸待劳的战术与红方抗衡。[/DhtmlXQ_comment15]
[DhtmlXQ_comment24]黑方弃卒意在对红方三路施加压力。近期流行下法是走炮7进5打兵,马三退五,炮2进5,以下红方有相七进五和马五进四两种选择,演变下去形成互有顾忌的局面。[/DhtmlXQ_comment24]
[DhtmlXQ_comment26]黑方走炮2进5是步很老式的下法。在上世纪70年代的上海市象棋比赛中,曾有业余棋手下过这一变化。由于黑方少卒,当时的实战效果不太理想,因此这一下法如昙花一现,再也没有出现过。现在一弘特大选择炮2进5的下法,我想赛前是有准备的。[/DhtmlXQ_comment26]
[DhtmlXQ_comment28]黑方应走炮2平7兑子简化局势,试演如下:炮2平7,炮九平三,车2进9,马七退八,马8进6(如马8退9,车三进一,红方多兵占优),车三进二,马6进7,兵五进一(如马八进七,车8进6,黑方谋和不难),象7进5,黑方可以求和。[/DhtmlXQ_comment28]
[DhtmlXQ_comment38]黑方如改走炮2退5打车,则兵三进一,车6进1(如车6平5,车三进一,马9退7,炮九平五,红方大优),车八进七,车2进1,马二进四,炮7进2,炮九平二,红方优势。[/DhtmlXQ_comment38]
[DhtmlXQ_comment63]至此形成马炮双兵仕相全对双炮卒士象全的残局,红方占优。[/DhtmlXQ_comment63]
[DhtmlXQ_comment76]黑方如走炮5进4打兵,则兵八平七,炮5平4,兵七平六,炮4退2,兵六进一,卒1进1(如士4退5,炮七平九,以下再相七进几,打死黑边卒,红方胜定),兵六进一,红方亦是胜势。[/DhtmlXQ_comment76]
[DhtmlXQ_comment87]红方中兵渡河后,取胜只是时间问题,以下解说从略。[/DhtmlXQ_comment87]
[DhtmlXQ_comment96]黑负[/DhtmlXQ_comment96]
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