Official NHA Assessment

Race 6: TAB TELEBET 0861 000 822 MR 68 HANDICAP (Open)

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Line Horse
Go Dream Machine
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
4 / 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    Absolute Value       3    59.5    1    0.00     2.0   67    65           67    +0
2    Indian War Dance     3    54.5    2    1.75     2.0   57    59           59    +2
3    Go Dream Machine     3    52.5    3    4.00     2.0   53    53           53    +0
4    Nuclear Force        5    58.0    4    4.50     0.0   68    67           67    -1
4    Monsieur Chevelle    3    60.5    4    4.50     2.0   69    68           68    -1
6    Corapi               3    52.0    6    4.55     2.0   52    51           51    -1
7    Oyster King          5    54.0    7    7.75     0.0   56    58           58    +2
99   Understated          5    52.0    99   0.00     0.0   -     54           54    +0
99   Manz Knight          6    57.0    99   0.00     0.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Absolute Value 67 84 67 +17 2.0 -
2 Indian War Dance 57 58 59 -1 2.0 -
3 Go Dream Machine Line 53 52 53 -1 2.0
4 Nuclear Force 68 61 67 -6 0.0 -
4 Monsieur Chevelle 69 63 68 -5 2.0 -
6 Corapi 52 67 51 +16 2.0 -
7 Oyster King 56 50 58 -8 0.0 -
99 Understated - 50 54 -4 0.0 -
99 Manz Knight - 60 64 -4 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