Official NHA Assessment

Race 7: TAKE A BET WINA NUMBA NUMBA MR 66 HANDICAP (Open)

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Line Horse
Written In Stone
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
5 / 15
Within 2 points
Significant Diffs
6 / 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    Tried And True       5    58.5    1    0.00     0.0   63    62           63    +0
2    Can't Catch Me       5    52.0    2    1.50     0.0   48    52           52    +4
3    Calida               2    61.0    3    3.25     0.0   69    69           69    +0
4    Written In Stone     9    58.5    4    4.00     0.0   63    63           63    +0
5    Count Your Chances   5    53.5    5    6.25     0.0   52    52           52    +0
6    King Rahul           4    56.5    6    6.50     4.5   68    49           58    -10
7    Northern Kitten      3    56.5    7    7.50     7.0   60    44           50    -10
8    Mariachi Madness     2    56.0    8    8.75     0.0   58    57           57    -1
9    Sail The Sky         4    58.0    9    11.75    4.5   63    52           53    -10
10   Kylie's Angel        3    60.0    10   12.25    7.0   67    51           57    -10
11   Miraculous Man       3    52.0    11   13.75    7.0   48    35           38    -10
12   Cartagena            4    57.0    12   15.75    4.5   61    50           51    -10
13   Micke's Bomb         4    60.5    13   17.75    4.5   68    57           58    -10
14   Captain Jim          3    57.0    14   20.25    7.0   66    45           56    -10
99   Dark Tide            5    53.5    99   0.00     0.0   -     52           52    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tried And True 63 75 63 +12 0.0 -
2 Can't Catch Me 48 58 52 +6 0.0 -
3 Calida 69 72 69 +3 0.0 -
4 Written In Stone Line 63 67 63 +4 0.0
5 Count Your Chances 52 51 52 -1 0.0 -
6 King Rahul 68 63 58 +5 4.5 -
7 Northern Kitten 60 67 50 +17 7.0 -
8 Mariachi Madness 58 57 57 ✓ Match 0.0 -
9 Sail The Sky 63 62 53 +9 4.5 -
10 Kylie's Angel 67 60 57 +3 7.0 -
11 Miraculous Man 48 45 38 +7 7.0 -
12 Cartagena 61 77 51 +26 4.5 -
13 Micke's Bomb 68 60 58 +2 4.5 -
14 Captain Jim 66 54 56 -2 7.0 -
99 Dark Tide - 53 52 +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