Official NHA Assessment

Race 8: WSB Race with the Best CLASS 4 (Open. Benchmark at 60.0kg = 80)

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Line Horse
El Rey Viene
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 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    Regulation           3    61.5    1    0.00     2.5   88    73           73    -15
2    Arverni King         5    61.0    2    1.30     0.0   87    82           82    -5
3    Chill In The Air     3    57.0    3    2.00     2.5   78    69           69    -9
4    El Rey Viene         5    55.5    4    2.25     0.0   71    71           71    +0
5    Bombers In The Sky   3    60.5    5    2.55     2.5   86    75           76    -10
6    Nocturnal Flight     3    58.5    6    2.95     2.5   77    70           70    -7
7    Papa C               6    52.5    7    3.25     0.0   73    63           63    -10
8    Riccardo             7    59.0    8    3.55     0.0   78    76           76    -2
9    Vila Vicosa          3    50.0    9    3.85     2.5   73    52           63    -10
10   Bad Medicine         3    58.0    10   4.05     2.5   81    68           71    -10
11   Harun Al Rashid      3    58.0    11   7.35     2.5   81    66           71    -10
12   Angel Of My Heart    3    52.0    12   10.05    2.5   62    54           54    -8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Regulation 88 105 73 +32 2.5 -
2 Arverni King 87 86 82 +4 0.0 -
3 Chill In The Air 78 82 69 +13 2.5 -
4 El Rey Viene Line 71 77 71 +6 0.0
5 Bombers In The Sky 86 84 76 +8 2.5 -
6 Nocturnal Flight 77 72 70 +2 2.5 -
7 Papa C 73 73 63 +10 0.0 -
8 Riccardo 78 68 76 -8 0.0 -
9 Vila Vicosa 73 74 63 +11 2.5 -
10 Bad Medicine 81 100 71 +29 2.5 -
11 Harun Al Rashid 81 80 71 +9 2.5 -
12 Angel Of My Heart 62 51 54 -3 2.5 -
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