Official NHA Assessment

Race 3: PICK 6 CARRYOVER ON DERBY DAY CLASSIFIED STAKES (For horses 3-yrs and older)

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Line Horse
Coronation Time
Reference for assessment
Exact Matches
3 / 9
Calculated = Official
Close Matches
4 / 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    Mister Monocle       4    57.0    1    0.00     2.5   66    71           71    +5
2    Virginia Sweet       2    53.5    2    4.25     0.0   77    71           71    -6
3    Coronation Time      2    59.0    3    7.25     0.0   80    80           80    +0
4    Twice The Master     3    57.0    4    9.25     5.0   65    66           66    +1
5    Machete Man          2    59.0    5    13.00    0.0   78    80           80    +2
6    Rockie Reef          3    57.5    6    14.25    5.0   75    67           67    -8
7    Over Two You         3    61.0    7    23.50    5.0   73    74           74    +1
8    Impetuous            2    57.0    8    32.00    0.0   77    76           76    -1
9    Landingonthemoon     2    50.0    9    99.99    0.0   57    62           62    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mister Monocle 66 71 71 ✓ Match 2.5 -
2 Virginia Sweet 77 92 71 +21 0.0 -
3 Coronation Time Line 80 80 80 ✓ Match 0.0
4 Twice The Master 65 58 66 -8 5.0 -
5 Machete Man 78 90 80 +10 0.0 -
6 Rockie Reef 75 97 67 +30 5.0 -
7 Over Two You 73 74 74 ✓ Match 5.0 -
8 Impetuous 77 74 76 -2 0.0 -
9 Landingonthemoon 57 52 62 -10 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