Official NHA Assessment

Race 8: #THISISRACING CLASSIFIED STAKES (F & M) (For F & M with nett rating of 71 and below)

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Line Horse
Keepingthepeace
Reference for assessment
Exact Matches
4 / 17
Calculated = Official
Close Matches
8 / 17
Within 2 points
Significant Diffs
4 / 17
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    Meeneera             4    56.0    1    0.00     0.5   62    59           59    -3
2    Shine A Light        4    60.0    2    0.10     0.5   71    67           67    -4
3    Rose Of Bayeux       3    54.0    3    0.60     0.5   61    60           60    -1
4    Keepingthepeace      4    60.0    4    2.35     0.5   69    69           69    +0
5    Absolutely Fab       4    54.0    5    2.60     0.5   57    57           57    +0
6    Tamil Tiger          4    56.0    6    2.85     0.5   60    61           61    +1
7    Izhiestia            5    54.0    7    3.10     0.0   54    58           58    +4
8    Miss Otis            3    56.5    8    4.60     0.5   67    60           60    -7
9    Bat Out Of Hell      4    60.0    9    5.10     0.5   71    67           67    -4
10   Rosa Dourada         2    54.5    10   5.20     0.0   77    57           67    -10
11   Anatura              5    60.0    11   5.95     0.0   70    68           68    -2
12   Vic Falls            3    60.0    12   6.45     0.5   70    67           67    -3
13   Onnetilia            2    50.0    13   7.45     0.0   70    48           60    -10
14   Miss Venezuela       4    58.0    14   9.20     0.5   65    63           63    -2
15   Forward March        4    58.0    15   12.45    0.5   65    63           63    -2
16   Sparkling Flame      3    56.0    16   12.95    0.5   62    59           59    -3
99   Colorama             6    54.0    99   0.00     0.0   -     56           56    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Meeneera 62 52 59 -7 0.5 -
2 Shine A Light 71 71 67 +4 0.5 -
3 Rose Of Bayeux 61 77 60 +17 0.5 -
4 Keepingthepeace Line 69 66 69 -3 0.5
5 Absolutely Fab 57 51 57 -6 0.5 -
6 Tamil Tiger 60 58 61 -3 0.5 -
7 Izhiestia 54 52 58 -6 0.0 -
8 Miss Otis 67 59 60 -1 0.5 -
9 Bat Out Of Hell 71 65 67 -2 0.5 -
10 Rosa Dourada 77 67 67 ✓ Match 0.0 -
11 Anatura 70 68 68 ✓ Match 0.0 -
12 Vic Falls 70 64 67 -3 0.5 -
13 Onnetilia 70 64 60 +4 0.0 -
14 Miss Venezuela 65 63 63 ✓ Match 0.5 -
15 Forward March 65 62 63 -1 0.5 -
16 Sparkling Flame 62 59 59 ✓ Match 0.5 -
99 Colorama - 54 56 -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