Official NHA Assessment

Race 3: ALL TO COME MAIDEN HANDICAP (F & M) (For Maiden F & M with 3 or more runs)

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Line Horse
County Kildare
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 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    Maggie Tee           3    54.0    1    0.00     5.0   57    52           57    +0
2    Miss Dora            3    59.5    2    0.10     5.0   68    63           63    -5
3    County Kildare       4    59.0    3    1.60     6.0   60    60           60    +0
3    Rowins Dream         5    55.5    3    1.60     0.0   60    65           65    +5
5    Time For Charity     5    60.0    5    2.10     0.0   69    74           74    +5
6    Chessade             3    52.0    6    5.50     5.0   35    48           48    +13
7    Jessie Bay           2    55.0    7    6.80     3.5   59    57           57    -2
8    Sundog               3    49.5    8    10.60    5.0   43    43           43    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Maggie Tee 57 55 57 -2 5.0 -
2 Miss Dora 68 58 63 -5 5.0 -
3 County Kildare Line 60 52 60 -8 6.0
3 Rowins Dream 60 48 65 -17 0.0 -
5 Time For Charity 69 61 74 -13 0.0 -
6 Chessade 35 36 48 -12 5.0 -
7 Jessie Bay 59 54 57 -3 3.5 -
8 Sundog 43 33 43 -10 5.0 -
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