Official NHA Assessment

Race 1: DNA TUNING MAIDEN PLATE (For all Maidens)

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Line Horse
Ice Kingdom
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Tribute To You       4    60.0    1    0.00     10.0  -     69           6     +6
2    Menelaus             3    59.0    2    1.20     8.5   -     70           70    +70
3    Rugger Bugger        3    59.0    3    1.40     8.5   -     70           70    +70
4    Ice Kingdom          2    59.0    4    2.60     5.5   76    76           76    +0
5    Path To Freedom      3    59.0    5    2.90     8.5   -     70           70    +70
6    Axel Collins         5    59.0    6    3.20     0.0   63    87           87    +24
7    Ice Angel            4    56.0    7    3.40     10.0  -     61           61    +61
8    Mask On              3    56.5    8    4.30     8.5   -     65           65    +65
9    La Voleuse           3    56.5    9    5.05     8.5   -     65           65    +65
10   Twice The Trinity    3    59.0    10   5.95     8.5   -     70           70    +70
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tribute To You - 90 6 +84 10.0 -
2 Menelaus - 78 70 +8 8.5 -
3 Rugger Bugger - 77 70 +7 8.5 -
4 Ice Kingdom Line 76 80 76 +4 5.5
5 Path To Freedom - 68 70 -2 8.5 -
6 Axel Collins 63 55 87 -32 0.0 -
7 Ice Angel - 56 61 -5 10.0 -
8 Mask On - 52 65 -13 8.5 -
9 La Voleuse - 56 65 -9 8.5 -
10 Twice The Trinity - 72 70 +2 8.5 -
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