Official NHA Assessment

Race 4: RACEHORSE OWNERS ASSOCIATION FM 70 HANDICAP (F & M) (Fillies and Mares)

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Line Horse
Sing Girl Sing
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
4 / 15
Within 2 points
Significant Diffs
7 / 15
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    Dancing Girl         4    53.5    1    0.00     0.5   65    56           65    +0
2    Sing Girl Sing       3    60.0    2    2.00     0.5   72    72           72    +0
3    Isn't It Bliss       4    54.5    3    2.50     0.5   59    60           60    +1
4    Conker The World     4    50.5    4    3.25     0.5   52    52           52    +0
5    Stolen Kiss          3    61.5    5    3.35     0.5   75    73           73    -2
6    Shine A Light        4    61.5    6    4.10     0.5   73    73           73    +0
7    HereInAfter          4    60.5    7    4.60     0.5   71    70           70    -1
8    Rose Of Bayeux       3    57.0    8    8.35     0.5   66    63           63    -3
9    Florida Keys         4    55.0    9    8.60     0.5   60    59           59    -1
10   Forward March        4    58.5    10   8.85     0.5   67    66           66    -1
11   Madame Patrice       5    52.0    11   11.10    0.0   48    54           54    +6
12   Diamonds And Toads   4    59.0    12   11.20    0.5   68    67           67    -1
13   Tartan Dancer        5    53.5    13   11.30    0.0   57    57           57    +0
14   French Joy           3    56.0    14   12.30    0.5   64    61           61    -3
15   Intuitive            4    55.0    15   15.55    0.5   68    59           59    -9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dancing Girl 65 74 65 +9 0.5 -
2 Sing Girl Sing Line 72 62 72 -10 0.5
3 Isn't It Bliss 59 51 60 -9 0.5 -
4 Conker The World 52 57 52 +5 0.5 -
5 Stolen Kiss 75 79 73 +6 0.5 -
6 Shine A Light 73 71 73 -2 0.5 -
7 HereInAfter 71 72 70 +2 0.5 -
8 Rose Of Bayeux 66 77 63 +14 0.5 -
9 Florida Keys 60 54 59 -5 0.5 -
10 Forward March 67 62 66 -4 0.5 -
11 Madame Patrice 48 45 54 -9 0.0 -
12 Diamonds And Toads 68 66 67 -1 0.5 -
13 Tartan Dancer 57 47 57 -10 0.0 -
14 French Joy 64 61 61 ✓ Match 0.5 -
15 Intuitive 68 62 59 +3 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