Official NHA Assessment

Race 7: 4RACING THANKS AND APPRECIATES STIDOLPH RACING MR 68 HANDICAP (Open)

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Line Horse
Coming In Hot
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
8 / 12
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    Ampersand            2    59.0    1    0.00     7.0   85    78           85    +0
2    Coming In Hot        3    58.0    2    0.25     10.5  69    69           69    +0
3    Runway Bomb          2    58.0    3    0.50     7.0   78    76           76    -2
4    Written In Stone     9    54.0    4    3.00     0.0   56    82           82    +26
5    Life Goes On         7    55.0    5    3.25     0.0   58    84           84    +26
6    Time Is Ticking      3    58.5    6    3.50     10.5  65    70           70    +5
7    Smelting             7    52.0    7    3.80     0.0   50    78           78    +28
8    Arilena              6    58.5    8    4.50     0.0   65    91           91    +26
9    Rockingthetimeaway   3    57.0    9    5.20     10.5  62    67           67    +5
10   Treaty               2    52.0    10   7.45     7.0   50    64           64    +14
11   Tuscan Gold          2    61.0    11   8.75     7.0   70    82           82    +12
12   Rock On Captain      3    53.5    12   9.50     10.5  54    60           60    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ampersand 85 83 85 -2 7.0 -
2 Coming In Hot Line 69 76 69 +7 10.5
3 Runway Bomb 78 86 76 +10 7.0 -
4 Written In Stone 56 67 82 -15 0.0 -
5 Life Goes On 58 54 84 -30 0.0 -
6 Time Is Ticking 65 60 70 -10 10.5 -
7 Smelting 50 52 78 -26 0.0 -
8 Arilena 65 75 91 -16 0.0 -
9 Rockingthetimeaway 62 62 67 -5 10.5 -
10 Treaty 50 48 64 -16 7.0 -
11 Tuscan Gold 70 84 82 +2 7.0 -
12 Rock On Captain 54 57 60 -3 10.5 -
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