Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MAIDEN PLATE (For all Maidens)

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Line Horse
Royale Jacket
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
7 / 11
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    Jaffa                3    59.0    1    0.00     5.0   -     63           6     +6
2    Royale Jacket        2    59.0    2    3.50     0.0   74    74           74    +0
3    Hat And Heels        3    56.0    3    4.80     5.0   -     57           57    +57
4    Space Mission        2    59.0    4    6.10     0.0   80    73           73    -7
5    Lance Alot           2    59.0    5    7.70     0.0   77    73           73    -4
6    Indian Spice         3    59.0    6    9.00     5.0   70    63           63    -7
7    King's Colour        2    59.0    7    10.50    0.0   64    73           73    +9
8    Light Of Liberty     4    60.0    8    99.99    2.5   -     70           70    +70
99   Milan's World        2    58.5    99   0.00     0.0   -     72           72    +0
99   One Of Those Days    3    59.0    99   0.00     5.0   -     63           63    +0
99   Eagles Rock          3    60.0    99   0.00     5.0   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Jaffa - 82 6 +76 5.0 -
2 Royale Jacket Line 74 74 74 ✓ Match 0.0
3 Hat And Heels - 75 57 +18 5.0 -
4 Space Mission 80 75 73 +2 0.0 -
5 Lance Alot 77 68 73 -5 0.0 -
6 Indian Spice 70 70 63 +7 5.0 -
7 King's Colour 64 62 73 -11 0.0 -
8 Light Of Liberty - - 70 -70 2.5 -
99 Milan's World - 72 72 ✓ Match 0.0 -
99 One Of Those Days - 81 63 +18 5.0 -
99 Eagles Rock - 47 65 -18 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