Official NHA Assessment

Race 7: TRACK AND BALL OAKS (Grade 2) (For Fillies and Mares at Weight For Age + Penalties)

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Line Horse
Scented Mistress
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
2 / 14
Within 2 points
Significant Diffs
7 / 14
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    Pink Tourmaline      4    59.0    1    0.00     1.0   108   91           91    -17
2    Light Of The Moon    3    56.0    2    0.40     3.0   110   87           100   -10
3    Silver Maria         5    59.0    3    1.60     0.0   88    98           98    +10
4    She's A Keeper       5    60.0    4    1.75     0.0   115   99           105   -10
5    Scented Mistress     4    59.0    5    2.75     1.0   94    94           94    +0
6    Greengrowthelilacs   3    56.0    6    3.05     3.0   75    84           84    +9
7    Keep On Dancing      5    60.0    7    4.15     0.0   94    97           97    +3
8    Follow The Star      5    59.0    8    6.25     0.0   93    93           93    +0
9    Aquae Sulis          5    59.0    9    6.65     0.0   87    93           93    +6
10   Black Silver         4    59.0    10   8.75     1.0   94    91           91    -3
11   Lyrical Dance        4    59.0    11   12.45    1.0   95    91           91    -4
12   Opera Glass          4    59.0    12   13.25    1.0   106   91           96    -10
13   Princess Anastasia   4    59.0    13   15.05    1.0   90    91           91    +1
99   Bye Bye Bombshell    3    56.0    99   0.00     3.0   -     81           81    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pink Tourmaline 108 108 91 +17 1.0 -
2 Light Of The Moon 110 107 100 +7 3.0 -
3 Silver Maria 88 95 98 -3 0.0 -
4 She's A Keeper 115 117 105 +12 0.0 -
5 Scented Mistress Line 94 96 94 +2 1.0
6 Greengrowthelilacs 75 79 84 -5 3.0 -
7 Keep On Dancing 94 92 97 -5 0.0 -
8 Follow The Star 93 86 93 -7 0.0 -
9 Aquae Sulis 87 69 93 -24 0.0 -
10 Black Silver 94 86 91 -5 1.0 -
11 Lyrical Dance 95 95 91 +4 1.0 -
12 Opera Glass 106 81 96 -15 1.0 -
13 Princess Anastasia 90 90 91 -1 1.0 -
99 Bye Bye Bombshell - 93 81 +12 3.0 -
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