Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 26 OCTOBER MR 72 HANDICAP (Open)

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Line Horse
Brosnan
Reference for assessment
Exact Matches
1 / 16
Calculated = Official
Close Matches
4 / 16
Within 2 points
Significant Diffs
7 / 16
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    Life Goes On         7    51.5    1    0.00     0.0   57    66           57    +0
2    Beaded Gown          3    55.5    2    1.40     8.5   63    57           57    -6
3    Brosnan              2    61.5    3    1.75     5.5   75    75           75    +0
4    In The Ether         6    56.0    4    1.80     0.0   64    75           75    +11
5    Samoa                10   59.5    5    4.50     0.0   71    82           82    +11
6    Simply Magic         3    59.0    6    4.75     8.5   70    64           64    -6
7    Axel Collins         5    60.5    7    5.50     0.0   73    84           84    +11
8    Viva De Janeiro      5    60.0    8    6.75     0.0   72    83           83    +11
9    Raining Rubies       5    57.0    9    6.80     0.0   66    77           77    +11
10   Fulliautomatix       3    52.0    10   7.80     8.5   56    50           50    -6
11   Clean Living         2    52.0    11   10.25    5.5   64    56           56    -8
12   Care Taker           4    62.0    12   10.50    10.0  87    67           77    -10
13   Tanganga             2    58.5    13   11.00    5.5   69    69           69    +0
14   Sullenberger         5    62.0    14   20.75    0.0   76    87           87    +11
99   Mandalay             3    52.0    99   0.00     8.5   -     50           50    +0
99   Smelting             7    52.0    99   0.00     0.0   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Life Goes On 57 54 57 -3 0.0 -
2 Beaded Gown 63 58 57 +1 8.5 -
3 Brosnan Line 75 75 75 ✓ Match 5.5
4 In The Ether 64 63 75 -12 0.0 -
5 Samoa 71 64 82 -18 0.0 -
6 Simply Magic 70 67 64 +3 8.5 -
7 Axel Collins 73 55 84 -29 0.0 -
8 Viva De Janeiro 72 50 83 -33 0.0 -
9 Raining Rubies 66 75 77 -2 0.0 -
10 Fulliautomatix 56 66 50 +16 8.5 -
11 Clean Living 64 61 56 +5 5.5 -
12 Care Taker 87 76 77 -1 10.0 -
13 Tanganga 69 66 69 -3 5.5 -
14 Sullenberger 76 72 87 -15 0.0 -
99 Mandalay - 53 50 +3 8.5 -
99 Smelting - 52 67 -15 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