Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 21 FEBRUARY MR 74 HANDICAP (Open)

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Line Horse
Havana Grey
Reference for assessment
Exact Matches
0 / 16
Calculated = Official
Close Matches
2 / 16
Within 2 points
Significant Diffs
11 / 16
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    Strata               4    58.5    1    0.00     5.0   71    76           71    +0
2    Munchkin             5    58.0    2    0.50     0.0   70    85           85    +15
3    Havana Grey          3    59.0    3    0.75     4.5   78    78           78    +0
4    Sweet And True       3    58.0    4    1.50     4.5   76    76           76    +0
5    Captain Tik Tok      5    60.0    5    2.50     0.0   74    89           89    +15
6    Bytheliteofthemoon   4    59.0    6    3.25     5.0   72    77           77    +5
7    Seattle Ripper       2    54.5    7    3.75     3.0   63    72           72    +9
8    Ravilious            3    57.0    8    3.80     4.5   74    74           74    +0
9    Fredericos Passion   3    58.5    9    3.90     4.5   77    77           77    +0
10   Wordsworth           7    56.5    10   4.00     0.0   67    82           82    +15
11   See You In A Bit     4    58.5    11   5.25     5.0   71    76           76    +5
12   Cruzador             6    57.5    12   6.50     0.0   69    84           84    +15
13   Resurgence           4    50.5    13   8.00     5.0   63    60           60    -3
14   Jackson Misissippi   6    53.0    14   9.25     0.0   60    75           75    +15
15   Strawberry Stinger   2    52.0    15   10.50    3.0   65    67           67    +2
99   Greenlight Express   3    55.0    99   0.00     4.5   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Strata 71 74 71 +3 5.0 -
2 Munchkin 70 65 85 -20 0.0 -
3 Havana Grey Line 78 68 78 -10 4.5
4 Sweet And True 76 77 76 +1 4.5 -
5 Captain Tik Tok 74 72 89 -17 0.0 -
6 Bytheliteofthemoon 72 70 77 -7 5.0 -
7 Seattle Ripper 63 59 72 -13 3.0 -
8 Ravilious 74 81 74 +7 4.5 -
9 Fredericos Passion 77 70 77 -7 4.5 -
10 Wordsworth 67 65 82 -17 0.0 -
11 See You In A Bit 71 67 76 -9 5.0 -
12 Cruzador 69 61 84 -23 0.0 -
13 Resurgence 63 57 60 -3 5.0 -
14 Jackson Misissippi 60 58 75 -17 0.0 -
15 Strawberry Stinger 65 62 67 -5 3.0 -
99 Greenlight Express - 68 70 -2 4.5 -
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