Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION FM 72 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Let There Be Light
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
2 / 11
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    Dark Travel          4    58.5    1    0.00     0.5   69    67           69    +0
2    Mirren               4    56.0    2    0.05     0.5   64    62           62    -2
3    Consol Queen         5    52.0    3    0.10     0.0   55    55           55    +0
4    Let There Be Light   4    61.5    4    2.80     0.5   75    75           75    +0
5    Winning Queen        6    50.5    5    3.10     0.0   50    54           54    +4
6    Stunning Kitten      5    56.5    6    4.60     0.0   65    64           64    -1
7    Last Cheer           5    59.0    7    7.60     0.0   70    69           69    -1
8    Nasiriyah            3    58.0    8    7.85     1.5   71    64           64    -7
9    Kiss To Dream        4    52.0    9    8.65     0.5   53    54           54    +1
99   Defender Of Rights   3    59.5    99   0.00     1.5   -     67           67    +0
99   Senescence           5    59.5    99   0.00     0.0   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dark Travel 69 72 69 +3 0.5 -
2 Mirren 64 67 62 +5 0.5 -
3 Consol Queen 55 52 55 -3 0.0 -
4 Let There Be Light Line 75 59 75 -16 0.5
5 Winning Queen 50 58 54 +4 0.0 -
6 Stunning Kitten 65 66 64 +2 0.0 -
7 Last Cheer 70 72 69 +3 0.0 -
8 Nasiriyah 71 46 64 -18 1.5 -
9 Kiss To Dream 53 54 54 ✓ Match 0.5 -
99 Defender Of Rights - 67 67 ✓ Match 1.5 -
99 Senescence - 71 70 +1 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