Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 9 FEBRUARY MR 82 HANDICAP (Open)

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Line Horse
Jaspero
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
4 / 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    Sequoia              6    61.0    1    0.00     0.0   84    86           84    +0
2    Dowser               5    60.5    2    2.50     0.0   83    87           87    +4
3    Spin Doctor          3    61.0    3    2.75     4.0   84    80           80    -4
4    Jaspero              4    59.0    4    2.80     2.0   80    80           80    +0
5    Question Master      2    55.5    5    5.05     0.0   73    75           75    +2
6    Central City         5    59.5    6    5.15     0.0   81    83           83    +2
7    Magical Midlands     4    56.5    7    6.15     2.0   75    73           73    -2
8    Atkinson Grimshaw    4    54.5    8    9.90     2.0   76    69           69    -7
9    Lady Tiptree         3    58.0    9    10.65    4.0   78    72           72    -6
10   Spring High          4    58.5    10   39.65    2.0   79    77           77    -2
11   Jacob's Ladder       4    58.0    11   40.00    2.0   78    76           76    -2
99   El Romiachi          8    54.5    99   0.00     0.0   -     73           73    +0
99   Matsuyamo            2    58.0    99   0.00     0.0   -     80           80    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sequoia 84 99 84 +15 0.0 -
2 Dowser 83 84 87 -3 0.0 -
3 Spin Doctor 84 90 80 +10 4.0 -
4 Jaspero Line 80 76 80 -4 2.0
5 Question Master 73 70 75 -5 0.0 -
6 Central City 81 81 83 -2 0.0 -
7 Magical Midlands 75 79 73 +6 2.0 -
8 Atkinson Grimshaw 76 75 69 +6 2.0 -
9 Lady Tiptree 78 68 72 -4 4.0 -
10 Spring High 79 79 77 +2 2.0 -
11 Jacob's Ladder 78 73 76 -3 2.0 -
99 El Romiachi - 77 73 +4 0.0 -
99 Matsuyamo - 78 80 -2 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