Horse racing draw advantage bias CHESTER 7F 122yds
Stalls positioned LOW 
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WINNING STALL NUMBER

 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22
No

of

R

U

N

E

R

S

8       1       1
9        11           3yr olds and older
10 seasons results
1997 - 2006
10                   1
11   1               1  
12         1              
13       1 1   1            
14  11   1   1   11         1    
15         1               11    
16   111       1   1 1     1        
17   11 1 1       1 1 1       1      
18  11 11 1     1 1 111 11       1   1 1 1 1
19                                      
20                                        
21                                          
22                                            
3 5 3 4 4 1

<--Good or better -->

1 2 1 4 1 2
26 11

Copyright 2005 [H Hutchinson]. All rights reserved.

On good or better going, the Top half - Bottom half split, shown at the bottom of the chart, shows a strong bias towards the bottom half of the draw, 26 wins to 11.
At first glance, twice as many wins from the Bottom half looks very impressive, but if we take a closer look, the best that can be said of this chart, is that the Bottom half has been favoured more than the Top half.

Only 4 races on good or better going had less than 12 runners.
All were won from the Top 6 stalls.
2 of those winners drawn 4 of 8 and 4-9 also started from the Bottom 6.

On good or better going, in races of 8 to 14 runners, stalls 1 - 6 won 9 of 13 races 69%.
There is the start of a spread of results in races with 16 runners, and possibly 15 runners.
This becomes more pronounced in races of 18 runners, where only 4 wins in 11 races came from stalls 1 to 6.

That may not be what most people would expect of races at Chester, but distance often has a negative effect on draw advantage results, and these races of almost 1 mile demonstrate that point :-
During 2005 and 2006, on good or better going, 3 of 6 races were won from the Top 3 stalls.
Only 2 of 6 winners drawn 4 of 8 and 6-18 started from the Bottom half of the draw.

Far stronger and more reliable patterns can be found elsewhere with very high percentages of wins and over much shorter distances.
There is no recommendation.

On good to soft or softer going (results shown in red), 10 of 15 races were won from the bottom half of the draw, but only 6 of those wins came from stalls 1 - 6,  40%.
15 races is a very small sample, but that is a very low percentage for 6 stalls.

2006 results :- 4-8, 10-10, 10-11, 8-17, 6-18

2005 results :-  2-11, 7-14, 12-14, 13-15, 13-18, 9-16