Official NHA Assessment

Race 8: WORLD SPORTS BETTING MR 77 HANDICAP (Open)

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Line Horse
Sun Dazed
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
7 / 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    Silent Trigger       6    57.5    1    0.00     0.0   76    73           76    +0
2    Sun Dazed            6    59.5    2    1.50     0.0   80    80           80    +0
3    Tizona               3    58.5    3    2.00     1.5   78    75           75    -3
4    Que Shiraz           3    59.5    4    3.25     1.5   80    76           76    -4
5    Sky God              3    54.5    5    4.75     1.5   70    64           64    -6
6    Captain Dizzy        4    59.0    6    6.50     0.5   75    75           75    +0
7    All Lit Up           4    60.0    7    6.60     0.5   77    77           77    +0
8    Axl                  3    57.0    8    6.90     1.5   75    69           69    -6
9    Path Of Choice       5    59.5    9    8.40     0.0   76    77           77    +1
10   Admiralty Arch       3    59.0    10   11.65    1.5   79    73           73    -6
11   Fort Red             4    57.5    11   11.95    0.5   72    72           72    +0
12   Legitimise           4    56.5    12   19.70    0.5   70    70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silent Trigger 76 60 76 -16 0.0 -
2 Sun Dazed Line 80 64 80 -16 0.0
3 Tizona 78 83 75 +8 1.5 -
4 Que Shiraz 80 72 76 -4 1.5 -
5 Sky God 70 62 64 -2 1.5 -
6 Captain Dizzy 75 96 75 +21 0.5 -
7 All Lit Up 77 76 77 -1 0.5 -
8 Axl 75 84 69 +15 1.5 -
9 Path Of Choice 76 68 77 -9 0.0 -
10 Admiralty Arch 79 77 73 +4 1.5 -
11 Fort Red 72 66 72 -6 0.5 -
12 Legitimise 70 66 70 -4 0.5 -
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