Official NHA Assessment

Race 4: BETONTAB.CO.ZA MR 70 HANDICAP (Open)

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Line Horse
Emaline
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
8 / 13
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Masterful            6    58.0    1    0.00     0.0   66    70           66    +0
2    Paris Opera          4    59.5    2    0.25     1.5   69    70           70    +1
3    Emaline              4    59.0    3    1.00     1.5   73    73           73    +0
4    FirstAmongEquals     4    58.5    4    1.10     1.5   67    72           72    +5
5    Wind Sock            3    58.5    5    1.15     2.5   73    70           70    -3
6    Angry Warrior        3    62.0    6    1.25     2.5   80    77           77    -3
7    Global Ash           4    59.0    7    2.25     1.5   68    72           72    +4
8    Winter Vacation      4    55.5    8    2.35     1.5   61    64           64    +3
9    Red Bishop           5    50.5    9    2.45     0.0   52    57           57    +5
10   Chauels Camelot      4    55.5    10   3.95     1.5   61    63           63    +2
11   Maestro Sonador      4    52.5    11   4.20     1.5   55    57           57    +2
12   Toureiro             5    54.5    12   7.95     0.0   59    63           63    +4
13   Joint Effort         5    61.0    13   18.70    0.0   72    76           76    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Masterful 66 65 66 -1 0.0 -
2 Paris Opera 69 66 70 -4 1.5 -
3 Emaline Line 73 67 73 -6 1.5
4 FirstAmongEquals 67 54 72 -18 1.5 -
5 Wind Sock 73 68 70 -2 2.5 -
6 Angry Warrior 80 70 77 -7 2.5 -
7 Global Ash 68 61 72 -11 1.5 -
8 Winter Vacation 61 55 64 -9 1.5 -
9 Red Bishop 52 50 57 -7 0.0 -
10 Chauels Camelot 61 53 63 -10 1.5 -
11 Maestro Sonador 55 52 57 -5 1.5 -
12 Toureiro 59 66 63 +3 0.0 -
13 Joint Effort 72 59 76 -17 0.0 -
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