Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION MR 74 HANDICAP (Open)

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Line Horse
Magic Blaze
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
7 / 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    Life On Mars         4    59.5    1    0.00     3.5   76    73           76    +0
2    Soweto Rose          3    52.0    2    0.10     3.0   61    59           59    -2
3    Magic Blaze          4    58.5    3    0.35     3.5   71    71           71    +0
4    Line Of Power        4    61.5    4    0.85     3.5   77    77           77    +0
5    Undisclosed          5    61.5    5    2.35     0.0   77    84           84    +7
6    Saviour              5    60.0    6    2.85     0.0   74    81           81    +7
7    Red Bishop           5    50.5    7    4.10     0.0   52    62           62    +10
8    Torio Lake           7    60.5    8    5.10     0.0   75    82           82    +7
9    Gentleman            3    52.0    9    12.35    3.0   61    59           59    -2
99   Madame Patrice       5    52.0    99   0.00     0.0   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Life On Mars 76 87 76 +11 3.5 -
2 Soweto Rose 61 59 59 ✓ Match 3.0 -
3 Magic Blaze Line 71 71 71 ✓ Match 3.5
4 Line Of Power 77 73 77 -4 3.5 -
5 Undisclosed 77 62 84 -22 0.0 -
6 Saviour 74 71 81 -10 0.0 -
7 Red Bishop 52 50 62 -12 0.0 -
8 Torio Lake 75 67 82 -15 0.0 -
9 Gentleman 61 46 59 -13 3.0 -
99 Madame Patrice - 45 65 -20 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