Official NHA Assessment

Race 5: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 75 HANDICAP (Open)

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Line Horse
Cotton Ron
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
7 / 11
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    Dontshootthebarman   5    62.0    1    0.00     0.0   79    79           79    +0
2    Shot Of Courage      3    53.5    2    0.20     6.0   70    50           60    -10
3    Cotton Ron           6    58.0    3    0.80     0.0   71    71           71    +0
4    Northern Warrior     7    55.0    4    1.10     0.0   65    65           65    +0
5    Bless Me Fred        6    56.0    5    1.25     0.0   70    67           67    -3
6    Arverni Princess     2    57.5    6    2.15     4.0   78    62           68    -10
7    Anotherdayinafrica   6    52.0    7    2.90     0.0   59    59           59    +0
8    Trafalgar Square     6    53.5    8    3.70     0.0   62    62           62    +0
9    Will O Me            2    48.0    9    3.95     4.0   55    43           45    -10
10   Rhythm               2    59.5    10   9.05     4.0   82    66           72    -10
99   Mask On              3    60.0    99   0.00     6.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dontshootthebarman 79 93 79 +14 0.0 -
2 Shot Of Courage 70 73 60 +13 6.0 -
3 Cotton Ron Line 71 59 71 -12 0.0
4 Northern Warrior 65 73 65 +8 0.0 -
5 Bless Me Fred 70 62 67 -5 0.0 -
6 Arverni Princess 78 67 68 -1 4.0 -
7 Anotherdayinafrica 59 49 59 -10 0.0 -
8 Trafalgar Square 62 69 62 +7 0.0 -
9 Will O Me 55 50 45 +5 4.0 -
10 Rhythm 82 67 72 -5 4.0 -
99 Mask On - 52 63 -11 6.0 -
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