Official NHA Assessment

Race 4: GREYVILLE CONVENTION CENTRE MR 68 HANDICAP (Open)

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Line Horse
San Marzano
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
4 / 13
Within 2 points
Significant Diffs
7 / 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    Tom's Act            3    54.5    1    0.00     2.5   57    50           57    +0
2    San Marzano          3    52.5    2    0.50     2.5   53    53           53    +0
3    Tin Cup              3    59.5    3    0.70     2.5   67    67           67    +0
4    Fireflare            2    59.0    4    0.95     0.0   71    70           70    -1
5    Future Of Energy     5    60.0    5    1.55     0.0   68    71           71    +3
6    Lucretius            6    59.5    6    1.60     0.0   67    70           70    +3
7    Fine Admiral         3    59.0    7    2.60     2.5   66    63           63    -3
8    Wave Warrior         3    57.5    8    3.20     2.5   63    59           59    -4
9    Ravens Sword         3    55.5    9    7.60     2.5   59    52           52    -7
10   Flag Bearer          3    58.0    10   9.10     2.5   64    57           57    -7
11   Bunting              4    59.0    11   11.80    1.0   66    62           62    -4
12   Moon Harvest         2    55.0    12   17.70    0.0   61    56           56    -5
99   King Bavarian        5    52.0    99   0.00     0.0   -     50           50    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tom's Act 57 64 57 +7 2.5 -
2 San Marzano Line 53 53 53 ✓ Match 2.5
3 Tin Cup 67 74 67 +7 2.5 -
4 Fireflare 71 69 70 -1 0.0 -
5 Future Of Energy 68 55 71 -16 0.0 -
6 Lucretius 67 64 70 -6 0.0 -
7 Fine Admiral 66 73 63 +10 2.5 -
8 Wave Warrior 63 68 59 +9 2.5 -
9 Ravens Sword 59 53 52 +1 2.5 -
10 Flag Bearer 64 60 57 +3 2.5 -
11 Bunting 66 58 62 -4 1.0 -
12 Moon Harvest 61 55 56 -1 0.0 -
99 King Bavarian - 67 50 +17 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