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[DhtmlXQ_adddate]2013-06-08 21:06:01[/DhtmlXQ_adddate]
[DhtmlXQ_editdate]2013-06-08 21:06:00[/DhtmlXQ_editdate]
[DhtmlXQ_title]042第二章 第三节 风险策略 图40、41[/DhtmlXQ_title]
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[DhtmlXQ_comment0]第四节 风险策略|| 面临复杂对攻局面时,人们对形势判断不可能那么准确,作出决策时不可能具有十分把握,这时的决策是有风险的。|| 由于人对棋局发展规律地认识有限,不可能不犯错误,问题在于要减少自己犯错误的可能性,利用并增加对方犯错误的可能性,以争取更多的取胜机会。攻击型棋手比较喜欢采用冒险策略,以提高获胜率。通常认为,具有七分把握即可作出决策。|| 如(图40),黑伏炮9平3打马,吃马后又打死车,红方||如何决策?有稳健策略与风险策略两种选择。|||| 稳健策略是先逃车,着法如下:[/DhtmlXQ_comment0]
[DhtmlXQ_comment1]稳健策略[/DhtmlXQ_comment1]
[DhtmlXQ_comment2] 按原计划平炮打马,否则红车四进二捉炮并有马踏中象的攻着。[/DhtmlXQ_comment2]
[DhtmlXQ_comment9]红先弃后取,丢马吃回黑炮。[/DhtmlXQ_comment9]
[DhtmlXQ_comment12] 红略先,黑可抗衡。|| 另一种选择风险策略,是跃出盘头马强攻,不仅弃七路马,还准备弃车搏杀,着法如下:[/DhtmlXQ_comment12]
[DhtmlXQ_comment1_1]风险策略[/DhtmlXQ_comment1_1]
[DhtmlXQ_comment1_4]如改象5进3,兵五进一,士6进5,兵五平六,象7进5,后马进五,有挂角马等攻杀手段,黑难应付。[/DhtmlXQ_comment1_4]
[DhtmlXQ_comment1_5] 至此如(图4}),红车在黑炮射程之内,是有很大危险的,试分析以下儿种变例,以判断红方冒险的程度:||||(甲)黑炮打车||(乙)黑升老将||(丙)黑补左士||(丁)黑补右士[/DhtmlXQ_comment1_5]
[DhtmlXQ_comment1_9]红胜。[/DhtmlXQ_comment1_9]
[DhtmlXQ_comment2_8] 如改马3进5,马八进七,将5平6,马七退六,士6进5,车三平四,士5进6,炮八平四,车8进3,车四平五,车8平6,车五进一,士4进5,车五进一,红大优。[/DhtmlXQ_comment2_8]
[DhtmlXQ_comment2_12] 如误走车8进1,车三平七,车8平5,车七退一得子。[/DhtmlXQ_comment2_12]
[DhtmlXQ_comment2_13]红优。[/DhtmlXQ_comment2_13]
[DhtmlXQ_comment4_8]黑无良策,如改马7退8,兵五进一,亦红优。[/DhtmlXQ_comment4_8]
[DhtmlXQ_comment4_15]红胜。[/DhtmlXQ_comment4_15]
[DhtmlXQ_comment5_8]如改车8进3,车三进一,车8平2,兵五进一,车2退2,兵五进一,红大优。[/DhtmlXQ_comment5_8]
[DhtmlXQ_comment5_15] 捉死黑马,红大优。|| 总的来看,红车虽处于险地,但不会捉打死,有惊无险采取风险策略是正确的。[/DhtmlXQ_comment5_15]
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