Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 17 OCTOBER FM 74 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Palace Dancer
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
8 / 11
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    Francilien           2    60.0    1    0.00     5.5   85    91           85    +0
2    Striking Angel       2    59.5    2    1.75     5.5   73    90           90    +17
3    Palace Dancer        3    59.0    3    2.40     8.5   83    83           83    +0
4    We Will Rock You     3    56.5    4    2.50     8.5   83    78           78    -5
5    Raining Rubies       5    58.5    5    4.50     0.0   71    99           99    +28
6    Mix The Magic        3    53.0    6    6.50     8.5   60    71           71    +11
7    Perini Palace        4    49.5    7    6.55     10.0  56    61           61    +5
8    Southern Style       5    53.0    8    7.75     0.0   60    88           88    +28
9    Together Again       5    52.0    9    7.85     0.0   57    86           86    +29
10   Tree Fairy           3    48.5    10   13.35    8.5   59    62           62    +3
99   Gimme The Flame      5    53.0    99   0.00     0.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Francilien 85 94 85 +9 5.5 -
2 Striking Angel 73 68 90 -22 5.5 -
3 Palace Dancer Line 83 88 83 +5 8.5
4 We Will Rock You 83 77 78 -1 8.5 -
5 Raining Rubies 71 75 99 -24 0.0 -
6 Mix The Magic 60 52 71 -19 8.5 -
7 Perini Palace 56 56 61 -5 10.0 -
8 Southern Style 60 54 88 -34 0.0 -
9 Together Again 57 55 86 -31 0.0 -
10 Tree Fairy 59 54 62 -8 8.5 -
99 Gimme The Flame - 50 88 -38 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