Official NHA Assessment

Race 6: GALLOP TV CLASS 5 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 70)

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Line Horse
Jane's Vision
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
6 / 12
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    Mystic Dancer        2    60.5    1    0.00     5.0   81    74           74    -7
2    Dawn Surprise        4    58.5    2    0.05     9.0   67    62           62    -5
3    Grue Of Ice          6    48.0    3    2.05     0.0   50    59           59    +9
4    Jane's Vision        2    57.0    4    2.35     5.0   67    67           67    +0
5    Nile The Boss        4    52.0    5    3.25     9.0   53    49           49    -4
6    Amen Corner          2    56.5    6    3.85     5.0   78    66           68    -10
7    Captain's Pride      2    60.0    7    4.45     5.0   80    73           73    -7
8    Ruby Claire          3    55.0    8    4.50     7.5   60    58           58    -2
9    Ilha Da Orange       4    63.0    9    4.70     9.0   76    71           71    -5
10   Poetic Princess      3    57.0    10   7.70     7.5   64    62           62    -2
11   Shipindani           3    61.0    11   8.40     7.5   72    70           70    -2
99   Galla Vanting        2    50.0    99   0.00     5.0   -     53           53    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mystic Dancer 81 85 74 +11 5.0 -
2 Dawn Surprise 67 79 62 +17 9.0 -
3 Grue Of Ice 50 53 59 -6 0.0 -
4 Jane's Vision Line 67 65 67 -2 5.0
5 Nile The Boss 53 52 49 +3 9.0 -
6 Amen Corner 78 76 68 +8 5.0 -
7 Captain's Pride 80 81 73 +8 5.0 -
8 Ruby Claire 60 52 58 -6 7.5 -
9 Ilha Da Orange 76 75 71 +4 9.0 -
10 Poetic Princess 64 61 62 -1 7.5 -
11 Shipindani 72 69 70 -1 7.5 -
99 Galla Vanting - 54 53 +1 5.0 -
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