Chess game Xiu 983 elephant invisible two sub control three points, even if you don't win, you can drive away
Wen Zhi Xin
In the previous chapter, why did the rook get out of the middle of the vault when it was attacked?
Figure a)
If we can't understand the true meaning of being able to get out of this trick, then can we understand it like this: at this time, if the red car is attacked, if the black car eats the red car, then it will leave the rib road, so can the black car return to the rib after leaving? You must know that the black car is the support and reliance of the black car, if the black soldier is contained, then when the black eats the red car and leaves, then the black car will lose its support when it returns to the rib road, and it cannot form an obstacle.
Considering the position of the black general, the red horse jumped to the middle of the elephant and just pinned down the black soldier, which is equivalent to cutting off the black square's corner support. Then the black rook eats the child and leaves, and the red side will seize the rib road, and the flat rook general, and the black side may lose the return of the rook because the backup black soldier is pinned, so that the next step can be won. Therefore, thinking from the point of cutting off the enemy's support and seizing the important territory, the red side can retreat to the middle of the horse and abandon the car to compete for the first.
Of course, this is a superficial understanding when the true meaning of this trick cannot be realized.
Figure 1)
As shown in the figure, if there is no dark horse to control the Red Artillery General, then the Red Flat Artillery General can win the company. What about the actual situation now?
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Rook three into one will be 6 into 1
(Red cannon controls the middle lane black will only be able to move on the rib lane)
Ma four into two, 6 into 1
(One son controls one, and two sons alternate generals)
Rook 3 retreat 2 general 6 retreat 1 (alternate general means that although there are only two sub-forces, the activity space of the black general is constantly compressed, and the position can be adjusted by the general.) ）
Rook three into one will be 6 into 1
(The red car takes over from the red horse to control the midpoint of the rib road)
Ma two retreats three will be 6 draws 5
(Here I understand a truth, two sub-control two points, but the alternate general can make the space of the opponent's three points completely compressed and occupied, forming a rib line where two sub-control three points, black will be expelled, and black will leave.) ）
The carriage and horse cooperate with the two sub-control and three line points, although the rib line is no longer the decisive black general, but it can achieve the purpose of expulsion.
Figure 2)
The first battle was on the rib line, and Red managed to drive the opponent away.
Phase II
Ma Sanjin 5 will draw 4
(The middle cannon plays a role, borrowing the cannon to make the horse enter the middle and the horse does not have the cannon general.) The red horse does not get moved by the general. ）
The car is three back and one is like 3 into 5 (note here that the position of the red car is lower than the palace top line, it belongs to the low line, called the low car.) Generally, low-level cars do not have the conditions to move the middle and third generals in one step, either they are intercepted by the soldiers or close to the black generals. This does not mean that you may be counter-killed, not that you must not be able to go. Why return the car general here? The main thing is to mobilize black elephants.
The rook is three flat and five elephants are 3 back to 5 (why should this eat elephants, because the position of the black car cannot be translated in the middle to form a vertical cooperation with the general, and the purpose of the sacrifice here is to mobilize the elephant before the pawn. ）
The cannon is five flat, six horses, 4 retreats, 2 reds, there is a left bottom car, and there is a black elephant pawn to intercept the entry. If the general can remove these obstacles on the way, then the bottom rook may be assisted by the flanking general. ）
Figure 3)
Horse five retreat six horse 2 retreat 4 shift transposition and change position
Horse six into seven, horse 4 into 3 (eliminate the black pawn to open up this line of car passage)
Gun six retreat, two horses, 3 retreat, 4
Ma Qi into eight generals 4 retreat 1 (use the black car to retreat and continue to contain the black horse)
In the second stage, although the black general is at the top of the Shijiao Palace, the red team's horse and cannon will be separated by the black horse to defuse the artillery attack. However, the red horse is constantly shifting and transposing.
The existence of the black car in the ribbed road has become the help of the Red Cannon General.
The second stage is referred to as the battle of the Warrior's Horn
Figure 4)
In the third stage, the red rook was dispatched, and the rook and horse cooperated to kill the black general on Black's right side
Rook seven into eight will be 4 into 1
15. The car is seven flat five
Did Black make a mistake from start to finish? No, Black's loss has nothing to do with the right or wrong moves. Red wins only by making the right move, and Black loses either by mistake or by the right move, which is only related to the potential, and although the strength of the two players is roughly equal, the potential is different due to the different positions, resulting in a different result.
That is to say, you can consider another possibility, the reason why you lose has nothing to do with your right move or wrong move, but only the reason why the opponent made the right move and did not make a wrong move.
The reason why I say this is because the two divisions occupy different positions! So do you think about whether you can avoid losing by taking the opponent's position irrelevantly? So is it still possible that even if you preempt the opponent's path, then the road you did not seize may be used by the opponent, and the opponent will cause another victory on the road you abandoned?
You must know that one of the advantages of offense is that you can attack wherever you want to have the freedom of choice, and the defending side needs to defend everywhere, and sometimes it is not a defense at all, so is the extra defensive force enough to make up for the lack of defensive strength?
There is no mathematical formula to prove which kind of situation this is, so it is still ignorant. The so-called sub-force is the same, and the final result will be the same, which is purely a low-level mathematical application, and cannot be regarded as the final answer. (Personal opinion, don't take it seriously.) ）
It's a bit off-topic when he talks about it, so let's get down to business
When encountering the endgame stage, it is necessary to roughly estimate the role played by each sub-force, whether to stay or go, and where the final encirclement and suppression of the black will be.
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Due to the increase in the number of people, it was not passed after listing them one by one, so I will not list them one by one here.