Official NHA Assessment

Race 7: BETONTAB.CO.ZA MR 74 HANDICAP (Open)

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Line Horse
Red Bishop
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
6 / 13
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    Teofilia             5    61.5    1    0.00     0.0   77    73           77    +0
2    Born A Star          3    55.5    2    0.25     3.0   71    55           61    -10
3    Global Ash           4    59.0    3    2.50     2.0   72    66           66    -6
4    Ferrari Ice          4    57.5    4    3.00     2.0   74    63           64    -10
5    Fast Draw            5    55.5    5    3.75     0.0   65    62           62    -3
6    Red Bishop           5    50.5    6    4.00     0.0   52    52           52    +0
7    Wangan Midnight      4    53.0    7    5.25     2.0   60    52           52    -8
8    Coffee Break         3    54.0    8    5.75     3.0   69    52           59    -10
9    Jet Mirage           3    58.5    9    8.00     3.0   78    61           68    -10
10   War Jewel            5    59.0    10   10.25    0.0   72    68           68    -4
11   Jaquar Cat           3    53.5    11   12.50    3.0   68    51           58    -10
12   Great Guy            5    52.5    12   12.60    0.0   57    55           55    -2
13   Grey Princess        6    58.5    13   16.10    0.0   71    67           67    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Teofilia 77 73 77 -4 0.0 -
2 Born A Star 71 64 61 +3 3.0 -
3 Global Ash 72 61 66 -5 2.0 -
4 Ferrari Ice 74 102 64 +38 2.0 -
5 Fast Draw 65 63 62 +1 0.0 -
6 Red Bishop Line 52 50 52 -2 0.0
7 Wangan Midnight 60 57 52 +5 2.0 -
8 Coffee Break 69 65 59 +6 3.0 -
9 Jet Mirage 78 100 68 +32 3.0 -
10 War Jewel 72 59 68 -9 0.0 -
11 Jaquar Cat 68 46 58 -12 3.0 -
12 Great Guy 57 54 55 -1 0.0 -
13 Grey Princess 71 56 67 -11 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