Official NHA Assessment

Race 7: FOR HOSPITALITY BOOKINGS CALL 011 681 1796 MR 66 HANDICAP (Open)

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Line Horse
Blindfire
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
3 / 9
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    Jet Cat              9    55.5    1    0.00     0.0   57    71           57    +0
2    Blindfire            2    61.5    2    0.60     3.5   76    76           76    +0
3    Time For Charity     5    58.5    3    0.65     0.0   63    77           77    +14
4    In The Ether         6    60.0    4    3.15     0.0   66    80           80    +14
5    Oriental Bouquet     4    54.0    5    3.65     6.0   54    56           56    +2
6    Nkandla Gold         4    59.5    6    4.15     6.0   65    67           67    +2
7    Misty Metal          3    59.0    7    4.65     5.0   72    68           68    -4
8    Summer Shade         4    54.5    8    7.05     6.0   55    57           57    +2
9    Red Hot Kisses       2    58.5    9    12.25    3.5   70    70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Jet Cat 57 60 57 +3 0.0 -
2 Blindfire Line 76 81 76 +5 3.5
3 Time For Charity 63 61 77 -16 0.0 -
4 In The Ether 66 63 80 -17 0.0 -
5 Oriental Bouquet 54 56 56 ✓ Match 6.0 -
6 Nkandla Gold 65 63 67 -4 6.0 -
7 Misty Metal 72 71 68 +3 5.0 -
8 Summer Shade 55 52 57 -5 6.0 -
9 Red Hot Kisses 70 62 70 -8 3.5 -
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