Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MR 80 HANDICAP (Open)

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Line Horse
Circle Of Grace
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
8 / 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    Dj Junior            3    59.0    1    0.00     9.0   78    74           78    +0
2    Leao Alado           2    57.5    2    1.75     0.0   77    92           92    +15
3    Circle Of Grace      4    54.0    3    2.00     5.0   75    75           75    +0
4    Whispers Of War (AU  7    56.0    4    3.00     0.0   72    88           88    +16
5    Birthright           4    60.0    5    4.50     5.0   82    84           84    +2
6    Hazlo Grande         3    58.5    6    5.00     9.0   77    73           73    -4
7    Douglas Dragon       3    57.5    7    6.50     9.0   77    71           71    -6
8    Eiger Sanction       3    60.5    8    7.50     9.0   83    77           77    -6
9    Global Impact        2    55.0    9    10.25    0.0   70    84           84    +14
99   Trident King         3    59.5    99   0.00     9.0   -     75           75    +0
99   Eiffel Tower         4    60.5    99   0.00     5.0   -     85           85    +0
99   The Octagon          2    52.0    99   0.00     0.0   -     78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dj Junior 78 79 78 +1 9.0 -
2 Leao Alado 77 77 92 -15 0.0 -
3 Circle Of Grace Line 75 51 75 -24 5.0
4 Whispers Of War (AUS) 72 64 88 -24 0.0 -
5 Birthright 82 95 84 +11 5.0 -
6 Hazlo Grande 77 74 73 +1 9.0 -
7 Douglas Dragon 77 89 71 +18 9.0 -
8 Eiger Sanction 83 79 77 +2 9.0 -
9 Global Impact 70 74 84 -10 0.0 -
99 Trident King - 65 75 -10 9.0 -
99 Eiffel Tower - 69 85 -16 5.0 -
99 The Octagon - 76 78 -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