Official NHA Assessment

Race 4: PLAY SOCCER 6, 10 AND 13 CLASSIFIED STAKES (For All Horses)

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Line Horse
Dj Junior
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
6 / 13
Within 2 points
Significant Diffs
2 / 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    Green Machine        3    58.0    1    0.00     3.5   77    69           69    -8
2    Dj Junior            3    58.5    2    1.10     3.5   75    75           75    +0
3    Special Star         2    58.0    3    3.85     0.0   81    78           78    -3
4    Bold Action          2    49.5    4    4.05     0.0   67    61           61    -6
5    Party Punch          3    50.0    5    4.85     3.5   58    53           53    -5
6    Cartagena            4    59.0    6    5.15     1.0   77    76           76    -1
7    Chabal               3    60.0    7    5.45     3.5   73    73           73    +0
8    Silver Flare         4    52.0    8    5.65     1.0   63    62           62    -1
9    Emerald City         2    56.0    9    5.85     0.0   71    72           72    +1
10   Romeo's Magic        7    58.0    10   7.35     0.0   71    76           76    +5
11   Play With Fire       4    57.5    11   7.40     1.0   77    73           73    -4
12   Nuclear Force        5    51.5    12   7.45     0.0   60    63           63    +3
99   Vixeninthevineyard   2    52.0    99   0.00     0.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Green Machine 77 81 69 +12 3.5 -
2 Dj Junior Line 75 75 75 ✓ Match 3.5
3 Special Star 81 79 78 +1 0.0 -
4 Bold Action 67 66 61 +5 0.0 -
5 Party Punch 58 57 53 +4 3.5 -
6 Cartagena 77 77 76 +1 1.0 -
7 Chabal 73 72 73 -1 3.5 -
8 Silver Flare 63 61 62 -1 1.0 -
9 Emerald City 71 69 72 -3 0.0 -
10 Romeo's Magic 71 69 76 -7 0.0 -
11 Play With Fire 77 77 73 +4 1.0 -
12 Nuclear Force 60 59 63 -4 0.0 -
99 Vixeninthevineyard - 62 64 -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