Official NHA Assessment

Race 7: COLLEGIANS SPORTS CLUB MR 75 HANDICAP (Open)

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Line Horse
Beechamwood Boy
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
6 / 8
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    Queen's Wood         3    57.5    1    0.00     6.0   75    58           75    +0
2    Beechamwood Boy      6    59.0    2    0.10     0.0   73    73           73    +0
3    Northern Warrior     7    58.0    3    0.20     0.0   74    71           71    -3
4    Zooberi              2    58.0    4    1.20     4.0   79    63           69    -10
5    Gunsmoke             3    51.0    5    5.60     6.0   62    45           52    -10
6    Son Of Zeus          3    59.0    6    6.60     6.0   73    61           63    -10
7    Rugger Bugger        3    58.5    7    8.10     6.0   80    60           70    -10
8    Ice Kingdom          2    57.5    8    9.80     4.0   78    62           68    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Queen's Wood 75 74 75 -1 6.0 -
2 Beechamwood Boy Line 73 84 73 +11 0.0
3 Northern Warrior 74 73 71 +2 0.0 -
4 Zooberi 79 78 69 +9 4.0 -
5 Gunsmoke 62 68 52 +16 6.0 -
6 Son Of Zeus 73 81 63 +18 6.0 -
7 Rugger Bugger 80 77 70 +7 6.0 -
8 Ice Kingdom 78 80 68 +12 4.0 -
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