Official NHA Assessment

Race 9: NEXT VAAL MEETING THURSDAY 6 JULY MR 68 HANDICAP (Open)

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Line Horse
Nothingelsematters
Reference for assessment
Exact Matches
1 / 17
Calculated = Official
Close Matches
4 / 17
Within 2 points
Significant Diffs
3 / 17
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    William Iron Arm     2    58.5    1    0.00     0.0   88    66           88    +0
2    Nothingelsematters   5    60.5    2    2.25     0.0   73    73           73    +0
3    Luthuli              5    58.5    3    3.75     0.0   69    67           67    -2
4    Arden Park           3    53.5    4    5.00     2.0   55    52           52    -3
5    Tree Fairy           3    56.5    5    5.20     2.0   65    58           58    -7
6    We Are The Logans    2    58.0    6    5.30     0.0   87    65           77    -10
7    Batik                3    53.5    7    6.25     2.0   60    52           52    -8
8    Rattle Bag           6    59.5    8    7.00     0.0   72    68           68    -4
9    Skyfull              2    54.5    9    8.75     0.0   61    58           58    -3
10   Gregor Macgregor     4    59.5    10   9.50     1.0   67    66           66    -1
11   English Primrose     3    54.0    11   10.25    2.0   56    53           53    -3
12   Storm Jewel          3    54.0    12   12.00    2.0   56    53           53    -3
13   Oyster King          5    55.5    13   13.25    0.0   58    60           60    +2
14   Da Capo              3    53.0    14   35.00    2.0   54    51           51    -3
99   Let There Be Light   4    58.0    99   0.00     1.0   -     63           63    +0
99   Della's Sword        3    56.0    99   0.00     2.0   -     57           57    +0
99   Parker Getrix        4    52.0    99   0.00     1.0   -     51           51    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 William Iron Arm 88 111 88 +23 0.0 -
2 Nothingelsematters Line 73 73 73 ✓ Match 0.0
3 Luthuli 69 74 67 +7 0.0 -
4 Arden Park 55 53 52 +1 2.0 -
5 Tree Fairy 65 54 58 -4 2.0 -
6 We Are The Logans 87 73 77 -4 0.0 -
7 Batik 60 57 52 +5 2.0 -
8 Rattle Bag 72 71 68 +3 0.0 -
9 Skyfull 61 54 58 -4 0.0 -
10 Gregor Macgregor 67 63 66 -3 1.0 -
11 English Primrose 56 58 53 +5 2.0 -
12 Storm Jewel 56 48 53 -5 2.0 -
13 Oyster King 58 50 60 -10 0.0 -
14 Da Capo 54 50 51 -1 2.0 -
99 Let There Be Light - 59 63 -4 1.0 -
99 Della's Sword - 56 57 -1 2.0 -
99 Parker Getrix - 56 51 +5 1.0 -
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