Official NHA Assessment

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

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Line Horse
Serpentine Fire
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
4 / 15
Within 2 points
Significant Diffs
9 / 15
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    Rosh Kedesh          5    61.5    1    0.00     0.0   83    86           86    +3
2    Serpentine Fire      3    57.0    2    2.60     1.0   77    77           77    +0
3    Skittles Skies       3    59.5    3    2.70     1.0   82    82           82    +0
4    Global Movement      6    55.5    4    4.50     0.0   71    74           74    +3
5    Red Mountain         4    53.5    5    4.55     0.5   75    69           69    -6
6    Honor Of Kings       3    60.5    6    5.15     1.0   84    82           82    -2
7    Ombudsman            3    58.5    7    5.40     1.0   80    78           78    -2
8    Pongola              5    54.5    8    5.65     0.0   69    72           72    +3
9    Jazz Cafe            3    60.0    9    7.05     1.0   80    81           81    +1
10   Teatime Tipple       2    56.0    10   8.05     0.0   72    75           75    +3
11   Run To Rio           4    54.0    11   10.25    0.5   68    70           70    +2
12   Sweeper Keeper       4    55.5    12   11.35    0.5   71    73           73    +2
13   Bom Bom              4    55.0    13   13.65    0.5   70    72           72    +2
99   Night Rocker         2    57.0    99   0.00     0.0   -     77           77    +0
99   Amor Fati            2    59.5    99   0.00     0.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rosh Kedesh 83 88 86 +2 0.0 -
2 Serpentine Fire Line 77 80 77 +3 1.0
3 Skittles Skies 82 96 82 +14 1.0 -
4 Global Movement 71 65 74 -9 0.0 -
5 Red Mountain 75 77 69 +8 0.5 -
6 Honor Of Kings 84 76 82 -6 1.0 -
7 Ombudsman 80 83 78 +5 1.0 -
8 Pongola 69 66 72 -6 0.0 -
9 Jazz Cafe 80 82 81 +1 1.0 -
10 Teatime Tipple 72 69 75 -6 0.0 -
11 Run To Rio 68 71 70 +1 0.5 -
12 Sweeper Keeper 71 67 73 -6 0.5 -
13 Bom Bom 70 64 72 -8 0.5 -
99 Night Rocker - 77 77 ✓ Match 0.0 -
99 Amor Fati - 92 82 +10 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