Official NHA Assessment

Race 7: CHAMPION TRAINER JUSTIN SNAITH CAPE C STAKES (For All Horses with a nett rating of 78 & below)

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Line Horse
Baton Rouge
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
5 / 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    King Pelles          3    60.0    1    0.00     10.0  76    67           67    -9
2    Mohandas             3    58.5    2    2.25     10.0  71    69           69    -2
3    Heliotrope           3    55.0    3    2.65     10.0  74    61           64    -10
4    Baton Rouge          4    61.5    4    2.95     7.0   79    79           79    +0
5    Ozark                4    53.0    5    4.95     7.0   62    59           59    -3
6    Mela Strength        3    58.5    6    6.70     10.0  73    64           64    -9
7    Aladdin's Lamp       4    61.5    7    8.20     7.0   78    76           76    -2
8    Prime Venture        3    60.0    8    8.60     10.0  76    67           67    -9
9    Flight Display       2    50.5    9    14.35    0.0   64    68           68    +4
10   Midway               3    61.5    10   14.75    10.0  80    70           70    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 King Pelles 76 122 67 +55 10.0 -
2 Mohandas 71 64 69 -5 10.0 -
3 Heliotrope 74 67 64 +3 10.0 -
4 Baton Rouge Line 79 69 79 -10 7.0
5 Ozark 62 61 59 +2 7.0 -
6 Mela Strength 73 63 64 -1 10.0 -
7 Aladdin's Lamp 78 106 76 +30 7.0 -
8 Prime Venture 76 78 67 +11 10.0 -
9 Flight Display 64 81 68 +13 0.0 -
10 Midway 80 65 70 -5 10.0 -
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