Official NHA Assessment

Race 6: TAB TELEBET 0861 000 822 FM 62 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Space Oddity
Reference for assessment
Exact Matches
1 / 16
Calculated = Official
Close Matches
2 / 16
Within 2 points
Significant Diffs
10 / 16
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    Opera Swing          4    58.5    1    0.00     0.5   59    63           59    +0
2    DutchessBurnedette   4    57.0    2    0.50     0.5   56    67           67    +11
3    Crafty Heart         4    57.5    3    1.00     0.5   57    67           67    +10
4    Space Oddity         4    51.5    4    2.50     0.5   53    53           53    +0
5    With Our Blessing    4    55.0    5    2.75     0.5   52    59           59    +7
6    La Duchesse          6    60.0    6    4.00     0.0   62    69           69    +7
7    Cana                 4    54.5    7    5.25     0.5   59    55           55    -4
8    Colorama             6    58.5    8    5.50     0.0   62    64           64    +2
9    Emerald Isla         4    57.5    9    6.25     0.5   57    61           61    +4
10   Maiden's Cove        3    57.5    10   7.50     1.5   60    59           59    -1
11   Beneficiary          5    60.5    11   10.00    0.0   63    68           68    +5
12   Queen Louise         4    56.0    12   11.50    0.5   57    58           58    +1
13   Grey Princess        6    59.0    13   12.00    0.0   60    65           65    +5
14   Wintertime           5    57.5    14   13.75    0.0   57    62           62    +5
15   Under My Hat         3    58.0    15   17.00    1.5   61    60           60    -1
16   Sheeba Darling       3    57.0    16   17.75    1.5   59    58           58    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Opera Swing 59 82 59 +23 0.5 -
2 DutchessBurnedette 56 64 67 -3 0.5 -
3 Crafty Heart 57 63 67 -4 0.5 -
4 Space Oddity Line 53 47 53 -6 0.5
5 With Our Blessing 52 41 59 -18 0.5 -
6 La Duchesse 62 59 69 -10 0.0 -
7 Cana 59 58 55 +3 0.5 -
8 Colorama 62 54 64 -10 0.0 -
9 Emerald Isla 57 55 61 -6 0.5 -
10 Maiden's Cove 60 58 59 -1 1.5 -
11 Beneficiary 63 62 68 -6 0.0 -
12 Queen Louise 57 58 58 ✓ Match 0.5 -
13 Grey Princess 60 56 65 -9 0.0 -
14 Wintertime 57 45 62 -17 0.0 -
15 Under My Hat 61 53 60 -7 1.5 -
16 Sheeba Darling 59 53 58 -5 1.5 -
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