Official NHA Assessment

Race 8: CASTLE TANKARD GRADE 1 (Open/5th leg Open Series)

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Line Horse
Only Him
Reference for assessment
Exact Matches
2 / 15
Calculated = Official
Close Matches
2 / 15
Within 2 points
Significant Diffs
8 / 15
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Ideal View           6    52.0    1    0.00     0.0   84    81           81    -3
2    Dindingwe            4    55.0    2    0.25     1.0   90    85           85    -5
3    Down To Business     2    52.0    3    0.35     0.0   86    88           88    +2
4    Raining Again        6    54.5    4    1.60     0.0   76    91           91    +15
5    Only Him             4    59.5    5    2.10     1.0   99    99           99    +0
6    Lily Blue            5    56.5    6    3.60     0.0   93    93           93    +0
7    Citrusdal            8    52.0    7    5.10     0.0   77    81           81    +4
8    Holy Land            6    58.0    8    7.60     0.0   96    93           93    -3
9    Mr Greenlight        6    60.0    9    8.60     0.0   100   97           97    -3
10   Wantage              8    58.0    10   10.35    0.0   96    93           93    -3
11   Bugatti Blue         7    57.5    11   11.60    0.0   95    92           92    -3
12   Three To Tango       6    53.5    12   99.99    0.0   87    84           84    -3
99   Grand Warrior        2    53.0    99   0.00     0.0   -     83           83    +0
99   Masaaken (AUS)       4    56.0    99   0.00     1.0   -     87           87    +0
99   True Beauty          4    59.5    99   0.00     1.0   -     94           94    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ideal View 84 90 81 +9 0.0 -
2 Dindingwe 90 95 85 +10 1.0 -
3 Down To Business 86 100 88 +12 0.0 -
4 Raining Again 76 73 91 -18 0.0 -
5 Only Him Line 99 87 99 -12 1.0
6 Lily Blue 93 86 93 -7 0.0 -
7 Citrusdal 77 81 81 ✓ Match 0.0 -
8 Holy Land 96 97 93 +4 0.0 -
9 Mr Greenlight 100 97 97 ✓ Match 0.0 -
10 Wantage 96 78 93 -15 0.0 -
11 Bugatti Blue 95 87 92 -5 0.0 -
12 Three To Tango 87 87 84 +3 0.0 -
99 Grand Warrior - 96 83 +13 0.0 -
99 Masaaken (AUS) - 92 87 +5 1.0 -
99 True Beauty - 99 94 +5 1.0 -
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