Official NHA Assessment

Race 7: CAPE SUMMER SEASON OF CHAMPIONS CLASS 5 (Open. Benchmark at 60.0kg = 68)

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Line Horse
Incredibill
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    No Apologies         2    60.0    1    0.00     0.0   80    77           77    -3
2    Incredibill          3    61.0    2    1.75     6.0   70    70           70    +0
3    Slurricane           3    59.0    3    4.00     6.0   66    64           64    -2
4    Legal Chitchat       3    58.5    4    4.40     6.0   65    62           62    -3
5    Fly To Rio           4    55.0    5    4.50     3.0   58    61           61    +3
6    Liketheclappers      3    57.5    6    5.50     6.0   63    60           60    -3
7    Hang Out The Stars   5    58.0    7    6.50     0.0   64    73           73    +9
8    De Janeiro           2    54.0    8    6.90     0.0   68    65           65    -3
9    Ozark                4    61.5    9    7.30     3.0   83    74           74    -9
10   Big Poppa            3    56.5    10   15.05    6.0   61    58           58    -3
11   Mothership           5    57.0    11   99.99    0.0   62    71           71    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 No Apologies 80 83 77 +6 0.0 -
2 Incredibill Line 70 70 70 ✓ Match 6.0
3 Slurricane 66 76 64 +12 6.0 -
4 Legal Chitchat 65 51 62 -11 6.0 -
5 Fly To Rio 58 54 61 -7 3.0 -
6 Liketheclappers 63 63 60 +3 6.0 -
7 Hang Out The Stars 64 58 73 -15 0.0 -
8 De Janeiro 68 54 65 -11 0.0 -
9 Ozark 83 61 74 -13 3.0 -
10 Big Poppa 61 52 58 -6 6.0 -
11 Mothership 62 50 71 -21 0.0 -
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