Official NHA Assessment

Race 4: RACING240 MR 66 HANDICAP (Open)

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Line Horse
Chroniclesofnania
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
5 / 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  
------------------------------------------------------------------------------------------------------------------------
1    Golden Grey          4    59.5    1    0.00     6.0   65    49           65    +0
2    Chroniclesofnania    5    54.5    2    1.25     0.0   55    55           55    +0
3    Potent Captain       4    59.0    3    1.50     6.0   64    51           54    -10
4    Dumisani             5    59.0    4    4.00     0.0   64    61           61    -3
5    Globetonic           6    61.5    5    4.75     0.0   69    65           65    -4
6    Mister Whistle       4    55.0    6    5.00     6.0   56    40           46    -10
7    Future Of Energy     5    51.0    7    8.50     0.0   56    44           46    -10
8    Above The Horizon    2    59.0    8    9.75     0.0   81    60           71    -10
9    Bob                  3    57.0    9    10.25    8.5   60    39           50    -10
10   Queen Of Jazz        2    58.0    10   13.00    0.0   71    58           61    -10
11   Global Banker        4    52.0    11   14.25    6.0   55    34           45    -10
99   Pisces               2    55.0    99   0.00     0.0   -     52           52    +0
99   Midwicket            3    60.5    99   0.00     8.5   -     46           46    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Golden Grey 65 64 65 -1 6.0 -
2 Chroniclesofnania Line 55 60 55 +5 0.0
3 Potent Captain 64 54 54 ✓ Match 6.0 -
4 Dumisani 64 60 61 -1 0.0 -
5 Globetonic 69 77 65 +12 0.0 -
6 Mister Whistle 56 52 46 +6 6.0 -
7 Future Of Energy 56 55 46 +9 0.0 -
8 Above The Horizon 81 86 71 +15 0.0 -
9 Bob 60 52 50 +2 8.5 -
10 Queen Of Jazz 71 63 61 +2 0.0 -
11 Global Banker 55 55 45 +10 6.0 -
99 Pisces - 56 52 +4 0.0 -
99 Midwicket - 67 46 +21 8.5 -
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