Official NHA Assessment

Race 5: RACING240 CLASSIFIED STAKES (For All Horses)

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Line Horse
Kleinzee
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
5 / 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    Kleinzee             3    59.5    1    0.00     1.5   77    77           77    +0
2    Rhydian              2    60.0    2    0.10     0.0   72    81           81    +9
3    King's Sailor        3    58.0    3    2.60     1.5   67    76           76    +9
4    Flight Engineer      3    49.5    4    2.70     1.5   57    59           59    +2
5    Desert Cloud         3    60.0    5    3.45     1.5   78    79           79    +1
6    Nightjar             3    58.0    6    3.55     1.5   67    75           75    +8
7    Divo Mondo           2    56.0    7    5.05     0.0   69    73           73    +4
8    Mighty Mac           5    52.0    8    6.30     0.0   52    65           65    +13
9    Mister Whistle       4    52.0    9    8.05     0.5   52    64           64    +12
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kleinzee Line 77 77 77 ✓ Match 1.5
2 Rhydian 72 72 81 -9 0.0 -
3 King's Sailor 67 67 76 -9 1.5 -
4 Flight Engineer 57 57 59 -2 1.5 -
5 Desert Cloud 78 78 79 -1 1.5 -
6 Nightjar 67 67 75 -8 1.5 -
7 Divo Mondo 69 69 73 -4 0.0 -
8 Mighty Mac 52 52 65 -13 0.0 -
9 Mister Whistle 52 52 64 -12 0.5 -
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