Senin, 22 Juli 2013

What is the most effective tactic to score corner goal in League 2?

In the book “Soccer Tactics and Skills”, Charles Hughes (1987) argued that the best way to score corner goal consists of 3 factors:
1.      Near post
2.      Inswing
3.      Keep it simple (Variety on a theme, not variety on sole criteria of doing something different)
By analysing 178 League 2 corner goals, it would be tested whether his argument can be applied to League 2 or not.
There is not much difference in terms of the sides of corner. 50.6% of corners were from the left side of the goal.

Type of delivery


The above chart shows that most of the corner goals were delivered by inswing (61%). 30% of them were outswing and 9% of them were ground pass which included medium or short corner. The finding fits the argument of Hughes that inswing is the best way to score corner goal.

Delivery target area


In terms of delivery target area, the result is not as dominant as the result of delivery type. Although near post was the most popular delivery target area, it was not dominant with 36%. In fact, the percentages of mid-goal area and far post were close with 32% and 26%. 5% of corners were delivered to touchline area which means they were short corners. Only 1% of corners were medium corner which were delivered to the edge of the box for long shots. By looking at this chart, Hughes’s argument about near post delivery is not very strong here because the difference between near post, mid-goal area and far post were within 10%. Near post is still a better choice but it is not a dominating factor as inswing delivery. Then the data would be compared with each other for in-depth analysis.

Which side vs. Type of delivery


The above chart shows that the preferences of delivery were different depending on which side of the corner it was. If the corner is taken at the left side of the goal, most of them were delivered by inswing. It could be explained by the fact that most of the players were right-footed. It is interesting to see which approach the team would use in the right side corner. 45 right side corner goals were delivered by inswing. That means teams chose a left-footed player to deliver the corner for the purpose of inswing delivery. However, 36 right side corner goals were delivered by outswing. This number is much more than the number of left side outswing corner (17). On the other hand, the numbers of ground pass delivery in both sides were similar. No matter which side we look at, inswing is still the most popular choice of delivery although it is more dominant in left side corner. In the right side corner, teams still prefer to do inswing delivery but there was considerable amount of outswing delivery also.

Type of delivery vs. Delivery target area


The above chart shows that inswing and near post combination scores the most corner goals (42). It fits the argument of Hughes. Another finding is that it is less likely to score corner goal at far post by outswing delivery (12 goals). The difference between inswing and outswing was less if the delivery target area is mid-goal area. The difference was 11 goals compared to the difference of near post (24 goals) and far post (23 goals). In short, for inswing delivery, it would be the best to deliver the ball to near post and far post, especially near post. For outswing delivery, it would be the best to deliver the ball to mid-goal area.

Keep it simple?


The result fits the argument of Hughes because 63% of corner goals were scored directly by the corner cross. 26% of corner goals were assisted by passing. Some teams may prefer to do flick-on headers to make assist but the data shows that it may not be a good choice because only 16% of corner goals were assisted by flick-on headers. If we consider passing assist only, flick-on header is a better choice than feet pass as shown in the chart with 6% more assists.

Conclusion

Reviewing the 3 factors mentioned by Hughes, I would say 2 of them were dominating factors in League 2: inswing delivery and keep it simple. They were proved by evidences. 61% of corner goals were delivered by inswing. 63% of corner goals were assisted by direct corner cross. However, the data shows that although near post is the best choice of delivery target area, it is not a dominating factor with 36% of corner goals delivered to near post. The same type of analysis could be applied to the data of different leagues and the results could be different.

Reference


HUGHES, C., 1987. Soccer Tactics and Skills. Great Britain: Queen Anne Press

Rabu, 10 Juli 2013

Northampton - Stoke City in League 2? (Part 2)

In part 1, I have compared Northampton’s performance with other teams in League 2. It was clear that Northampton was strong in set play, particularly throw-in. Over 50% of their goals were from set play. In their set play goals, around 40% of them came from throw-ins. I will focus on analysing those 13 throw-in goals in this piece.

Time Analysis


No matter we consider the throw-in goals or all goals of Northampton; they both fit the general trend of time analysis in League 2 because more goals were scored in the later stage of the game. However, the key point is about the time slot of 76-90 minutes. 29.7% of goals were scored in this time slot in all goals. On the other hand, 38.5% of throw-in goals were scored in this time slot considering that the percentages in other time slots were only 15% at most. It shows that throw-in was an effective strategy for Northampton to use in the last 15 minutes of the game to score goals.

What were the assist styles?


Considering the assist styles, some teams may choose to do flick-on headers to make assist. In Northampton’s case, the best way to make assist is to make a direct throw-in passing by hands. 84% of the throw-in goals were assisted by hand passes, only 8% of them were assisted by flick-on header. It also means that at least 84% of the goals were scored by one-touch shot. The technical ability to make one-touch shot is one of the keys to score throw-in goals.

Goal Type


Many people may link throw-in goals to headers but it is not the case in Northampton. Even we found out that one-touch shot is important, the above chart shows that using feet to shoot is as important as header in scoring throw-in goals. Header goals were only 8% more than feet goals. If we consider the above two charts together, we realise that considerable amount of goals were scored by hand passing throw-in followed by shots made by feet. It may be a result not expected by some people.

Where were the assists made?


Since 84% of assists were from direct hand throws, only 7.7% of assists were from central area by flick-on header. It is worthy to note that 30.8% of assists were outside 18-yard from the goal line. Some teams may only use long throw tactics near penalty area but Northampton’s statistics show that it is worthy to do long throw outside the penalty area also.

Who scored the most throw-in goals?


Northampton did not rely on any particular player to score throw-in goals as the goals were widely distributed to 8 players. A Akinfenwa is the player who scored the most with 31% of throw-in goals considering he is a striker. The other 7 players scored 1 goal each. It is worthy to note that 15% (2 goals) were scored by own goals. It shows that one of the advantages in using long throw-in is to mess up the situation in penalty area so the defenders would have a higher chance to make a mistake scoring own goal.

Where they scored?


The above diagram obviously shows that the prime area for attacking long throws is the 12-yard area from the goal line. 84.6% of goals were scored in these two zones. Note that 15.4% of goals were scored outside the penalty area. My explanation is that most of the defenders would try to defend long throw-in by staying at the zones in front of the goal. It leaves space outside the penalty area for attackers to make long shot. It is worthy to note that no goal was scored in 12-18 yard area. It is because this zone is neither close enough for one-touch shot in long throws nor having enough space and time for players to make long shot.

Conclusion


By analysing Northampton’s strategy in throw-ins, we can identify why they are so strong in scoring throw-in goals. Firstly, they used a very direct style to attack. They didn’t prefer flick-on header as 84% of assists were came from direct hand throw-in passes. Secondly, one-touch shot is the key to score but we should be aware that using feet to score is almost as important as using header. Thirdly, Northampton did not rely on any particular player to be the target man to score throw-in goals. They had 8 players to score 11 throw-in goals (the other 2 goals were own goals). Fourthly, don’t ignore the importance of making delivery outside the penalty area (18-yard line) because 30% of their throw-in goals were delivered from zones outside the 18-yard line.