Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION MR 75 HANDICAP (Open)

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Line Horse
Samthewiseman
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
7 / 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    King Of Venus        4    57.5    1    0.00     7.0   70    56           70    +0
2    Var Park             5    55.5    2    0.75     0.0   66    66           66    +0
3    Samthewiseman        5    52.5    3    3.25     0.0   60    60           60    +0
4    Circus Lights        5    56.0    4    3.75     0.0   67    67           67    +0
5    Stormy Seas          4    61.0    5    3.80     7.0   77    63           67    -10
6    Beaded Gown          3    55.5    6    4.25     6.0   66    54           56    -10
7    Pendragon            5    59.5    7    4.50     0.0   74    74           74    +0
8    Tayooba              2    61.0    8    5.25     4.0   77    69           69    -8
9    Super Agra           4    60.5    9    5.50     7.0   76    62           66    -10
10   Lang's Power         2    52.0    10   10.00    4.0   54    51           51    -3
99   Life Goes On         7    53.5    99   0.00     0.0   -     62           62    +0
99   Herecomestherain     4    60.0    99   0.00     7.0   -     61           61    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 King Of Venus 70 87 70 +17 7.0 -
2 Var Park 66 87 66 +21 0.0 -
3 Samthewiseman Line 60 52 60 -8 0.0
4 Circus Lights 67 64 67 -3 0.0 -
5 Stormy Seas 77 77 67 +10 7.0 -
6 Beaded Gown 66 58 56 +2 6.0 -
7 Pendragon 74 73 74 -1 0.0 -
8 Tayooba 77 68 69 -1 4.0 -
9 Super Agra 76 60 66 -6 7.0 -
10 Lang's Power 54 52 51 +1 4.0 -
99 Life Goes On - 54 62 -8 0.0 -
99 Herecomestherain - 55 61 -6 7.0 -
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