Official NHA Assessment

Race 3: OPEN A TABGOLD ACCOUNT - 031 314 1874 MAIDEN PLATE (For all Maidens)

Line Horse
Teatime Tipple
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
8 / 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    Spirit Of Abraham    3    60.0    1    0.00     7.5   -     75           6     +6
2    Teatime Tipple       2    60.0    2    0.20     5.0   80    80           80    +0
3    Railroad             2    60.0    3    0.35     5.0   75    80           80    +5
4    Send Me              3    60.0    4    1.55     7.5   -     75           75    +75
5    Lightning Jimmy      4    60.0    5    2.75     9.0   66    72           72    +6
6    Specmagic            3    56.0    6    4.15     7.5   72    67           67    -5
7    Magma Magic          4    60.0    7    5.55     9.0   -     72           72    +72
8    Dynasty's Last       5    58.5    8    17.45    0.0   -     87           87    +87
99   The Big Short        3    60.0    99   0.00     7.5   -     75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Spirit Of Abraham - 81 6 +75 7.5 -
2 Teatime Tipple Line 80 69 80 -11 5.0
3 Railroad 75 60 80 -20 5.0 -
4 Send Me - 64 75 -11 7.5 -
5 Lightning Jimmy 66 48 72 -24 9.0 -
6 Specmagic 72 70 67 +3 7.5 -
7 Magma Magic - 81 72 +9 9.0 -
8 Dynasty's Last - 61 87 -26 0.0 -
99 The Big Short - 33 75 -42 7.5 -
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