Official NHA Assessment

Race 2: LUCKY FISH PLINKO MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Theleia
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
5 / 8
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    Little Nimbus        3    60.0    1    0.00     2.5   70    76           76    +6
2    Theleia              3    60.0    2    0.05     2.5   76    76           76    +0
3    Future Red           3    60.0    3    3.30     2.5   -     77           77    +77
4    Rare Earth           3    60.0    4    5.30     2.5   65    76           76    +11
5    Hazel Green          2    60.0    5    6.05     0.0   76    81           81    +5
6    Divine State         3    60.0    6    6.80     2.5   63    76           76    +13
7    Royal Desire         3    60.0    7    7.30     2.5   45    76           76    +31
99   Autumn Rush          3    56.0    99   0.00     2.5   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Little Nimbus 70 77 76 +1 2.5 -
2 Theleia Line 76 76 76 ✓ Match 2.5
3 Future Red - - 77 -77 2.5 -
4 Rare Earth 65 64 76 -12 2.5 -
5 Hazel Green 76 74 81 -7 0.0 -
6 Divine State 63 62 76 -14 2.5 -
7 Royal Desire 45 52 76 -24 2.5 -
99 Autumn Rush - 68 68 ✓ Match 2.5 -
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