Official NHA Assessment

Race 2: 4RACING.TV MAIDEN PLATE (For all Maidens)

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Line Horse
And Action
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
1 / 13
Within 2 points
Significant Diffs
9 / 13
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Turbo Twenty         2    59.0    1    0.00     7.0   83    75           75    -8
2    War Sword            4    60.0    2    0.75     12.0  60    67           67    +7
3    And Action           4    60.0    3    1.25     12.0  67    67           67    +0
4    Colonel Green        3    60.0    4    3.50     10.5  60    70           70    +10
5    Man Of Courage       3    58.0    5    4.75     10.5  -     66           66    +66
6    Flash Lightning      4    60.0    6    6.00     12.0  73    67           67    -6
7    Master Of Defense    3    60.0    7    8.25     10.5  63    70           70    +7
8    Tyrons Vision        3    58.5    8    10.00    10.5  58    67           67    +9
9    First Lord           2    58.0    9    11.00    7.0   74    73           73    -1
10   American Pitbull     5    60.0    10   13.75    0.0   -     91           91    +91
11   Dynamite Jet         6    60.0    11   15.75    0.0   -     91           91    +91
12   Vila Foz             3    58.0    12   18.00    10.5  -     66           66    +66
13   Luck Struck          4    60.0    13   99.99    12.0  -     67           67    +67
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Turbo Twenty 83 80 75 +5 7.0 -
2 War Sword 60 58 67 -9 12.0 -
3 And Action Line 67 62 67 -5 12.0
4 Colonel Green 60 62 70 -8 10.5 -
5 Man Of Courage - 75 66 +9 10.5 -
6 Flash Lightning 73 69 67 +2 12.0 -
7 Master Of Defense 63 63 70 -7 10.5 -
8 Tyrons Vision 58 53 67 -14 10.5 -
9 First Lord 74 70 73 -3 7.0 -
10 American Pitbull - 62 91 -29 0.0 -
11 Dynamite Jet - 43 91 -48 0.0 -
12 Vila Foz - 57 66 -9 10.5 -
13 Luck Struck - 30 67 -37 12.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points