如图,是1981年承德邀请赛,上海胡荣华对四川小将蒋全胜弈成的一个中局。黑方车马炮三卒对红方车马炮兵,占有物质上的优势,而且车、马、中卒的位置较好;弱点是底炮被锁,7路兵对它还有威胁;黑方要扩大优势,必须设法使底炮脱身,发挥威力,才能达到预期目的。实战着法是: Pictured is the Chengde Invitational in 1981, Shanghai Hu Ronghua on the Sichuan teenager Jiang Quan Sheng Yi Cheng into a bureau. The black car and horse artillery triad on the red square horse artillery, possession of material superiority, and cars, horses, the position of the pawn is better; weakness is the bottom guns are locked, 7 soldiers on it there is a threat; To expand its superiority, we must try to get the tail gun out of its power and make the best it can to achieve its intended purpose. Act with the law is: