Official NHA Assessment

Race 9: EDEN ROC MR 74 HANDICAP (Open)

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Line Horse
Benni In The Area
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
5 / 11
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Imaginable           3    58.0    1    0.00     1.0   73    66           73    +0
2    Benni In The Area    3    58.5    2    1.05     1.0   71    71           71    +0
3    Phaka Imali          3    59.0    3    2.55     1.0   72    70           70    -2
4    Run To Rio           4    59.0    4    2.95     0.5   75    71           71    -4
5    Irish Luck           2    59.5    5    5.05     0.0   76    71           71    -5
6    Captain Who          4    57.5    6    5.10     0.5   69    66           66    -3
7    Gorgeous Dude        4    59.0    7    5.35     0.5   75    69           69    -6
8    Strawberry Stinger   2    59.5    8    5.40     0.0   76    71           71    -5
9    Beach Palace         4    60.5    9    6.00     0.5   78    72           72    -6
10   Redcherry Lane       3    57.5    10   6.90     1.0   72    65           65    -7
11   Calling All Angels   2    55.5    11   7.30     0.0   68    63           63    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Imaginable 73 92 73 +19 1.0 -
2 Benni In The Area Line 71 78 71 +7 1.0
3 Phaka Imali 72 62 70 -8 1.0 -
4 Run To Rio 75 71 71 ✓ Match 0.5 -
5 Irish Luck 76 72 71 +1 0.0 -
6 Captain Who 69 65 66 -1 0.5 -
7 Gorgeous Dude 75 55 69 -14 0.5 -
8 Strawberry Stinger 76 62 71 -9 0.0 -
9 Beach Palace 78 67 72 -5 0.5 -
10 Redcherry Lane 72 70 65 +5 1.0 -
11 Calling All Angels 68 59 63 -4 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