I have run your basic rules over the past 12 months with one exception.Last start only +/- 200.results as follows:-
Meetings considered : 223
Races selected : 343
Horses selected : 417
- Number that won : 33
- Strike Rate/Race : 9.6%
- Strike Rate/Seln. : 7.9%
- Place Strike/Seln.: 26.6%
Return at $1/Seln. : $409.70
- Average Win Div. : $12.42
- Absolute Profit : $-7.30
- Profit on Turnover: -1.8%

I then added:-
1) 1100/2000m
2) good track only
3) age 4 years plus
4) Last start 9/36 days
5) Last start SP maximum 16/1

Past 12 months results as follows :-
PS. The Tri - ex and quinella results are for my infomation only when I couple the selection with other horses rated from my program.

Meetings considered : 223
Races selected : 149
Horses selected : 173
- Number that won : 20
- Strike Rate/Race : 13.4%
- Strike Rate/Seln. : 11.6%
- Place Strike/Seln.: 31.2%
Return at $1/Seln. : $314.30
- Average Win Div. : $15.72
- Absolute Profit : $141.30
- Profit on Turnover: 81.7%

TRIFECTA QUINELLA EXACTA PLACE
Outlay ($) : 3960.00 905.00 915.00 168.00
- Races WITH bets : 149 149 149 144
- Races WITH collect: 9 27 15 48
- Strike Rate/Race : 6.0% 18.1% 10.1% 33.3%
Return at $1/seln ($) : 11104.00 2176.70 3001.20 190.30
- Absolute $ Profit : 7144.00 1271.70 2086.20 22.30
- Profit on Turnover: 180.4% 140.5% 228.0% 13.3%

Note: 1 selection found without results

Test Duration = 00:07:37



Not bad for such a low strike rate.......

Cheers.....