Official NHA Assessment

Race 7: TURF TALK SYNDICATE C STAKES (For All Horses with a nett rating of 83 & below)

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Line Horse
Prime Venture
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
2 / 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    Chollima             6    64.0    1    0.00     0.0   79    95           85    +6
2    Bombers In The Sky   3    60.0    2    1.25     6.0   86    81           81    -5
3    Repetition           3    56.0    3    3.25     6.0   78    70           70    -8
4    Prime Venture        3    60.0    4    4.50     6.0   76    76           76    +0
5    Heliotrope           3    57.5    5    5.50     6.0   74    70           70    -4
6    Fly Futura           3    60.0    6    6.00     6.0   74    75           75    +1
7    Continentalexpress   3    58.5    7    6.20     6.0   72    72           72    +0
8    Twice The Master     3    51.0    8    8.45     6.0   55    57           57    +2
9    Petteia              2    51.0    9    13.45    0.0   58    69           69    +11
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chollima 79 85 85 ✓ Match 0.0 -
2 Bombers In The Sky 86 84 81 +3 6.0 -
3 Repetition 78 74 70 +4 6.0 -
4 Prime Venture Line 76 78 76 +2 6.0
5 Heliotrope 74 67 70 -3 6.0 -
6 Fly Futura 74 74 75 -1 6.0 -
7 Continentalexpress 72 92 72 +20 6.0 -
8 Twice The Master 55 58 57 +1 6.0 -
9 Petteia 58 50 69 -19 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