Official NHA Assessment

Race 8: TOTE FOR THE WIN CLASS 4 (Open. Benchmark at 60.0kg = 80)

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Line Horse
Jazz Festival
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 9
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    Terminator           4    60.0    1    0.00     6.0   80    67           67    -13
2    Jazz Festival        5    56.5    2    3.30     0.0   73    73           73    +0
3    Golden Rule          3    59.0    3    3.40     8.5   79    61           69    -10
4    Down By The River    2    59.5    4    4.00     0.0   79    79           79    +0
5    Global Movement      6    53.5    5    5.50     0.0   67    66           66    -1
5    Clintostar           2    52.0    5    5.50     0.0   80    63           70    -10
7    Master Bomber        3    56.0    7    5.80     8.5   73    54           63    -10
8    Teatime Tipple       2    55.5    8    7.70     0.0   71    70           70    -1
9    Got The Word         2    52.5    9    12.70    0.0   64    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 Terminator 80 86 67 +19 6.0 -
2 Jazz Festival Line 73 70 73 -3 0.0
3 Golden Rule 79 99 69 +30 8.5 -
4 Down By The River 79 95 79 +16 0.0 -
5 Global Movement 67 65 66 -1 0.0 -
5 Clintostar 80 80 70 +10 0.0 -
7 Master Bomber 73 71 63 +8 8.5 -
8 Teatime Tipple 71 69 70 -1 0.0 -
9 Got The Word 64 52 64 -12 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