Official NHA Assessment

Race 8: RACING240 MR 70 HANDICAP (Open)

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Line Horse
Brave Viking
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
5 / 10
Within 2 points
Significant Diffs
1 / 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    Unsolved Riddle      3    57.5    1    0.00     3.0   73    59           73    +0
2    Winds Of Grace       3    60.0    2    0.80     3.0   70    68           68    -2
3    Brave Viking         5    59.5    3    2.10     0.0   72    72           72    +0
4    Space Mission        2    60.0    4    2.85     0.0   76    72           72    -4
5    Elusive Red          3    61.0    5    3.55     3.0   78    67           68    -10
6    Lady Elliot          2    61.0    6    3.60     0.0   72    73           73    +1
7    Global Impact        2    62.5    7    4.60     0.0   75    75           75    +0
8    Can't Catch Me       5    54.5    8    5.50     0.0   59    59           59    +0
9    Pepper Tree          2    56.5    9    7.00     0.0   69    63           63    -6
10   King Bluetooth       2    52.0    10   12.00    0.0   55    54           54    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Unsolved Riddle 73 77 73 +4 3.0 -
2 Winds Of Grace 70 72 68 +4 3.0 -
3 Brave Viking Line 72 72 72 ✓ Match 0.0
4 Space Mission 76 75 72 +3 0.0 -
5 Elusive Red 78 76 68 +8 3.0 -
6 Lady Elliot 72 71 73 -2 0.0 -
7 Global Impact 75 74 75 -1 0.0 -
8 Can't Catch Me 59 58 59 -1 0.0 -
9 Pepper Tree 69 67 63 +4 0.0 -
10 King Bluetooth 55 53 54 -1 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