Official NHA Assessment

Race 4: www.tabgold.co.za FM 65 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Rosy Lemon
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
9 / 13
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    You Deserve It       4    59.5    1    0.00     6.0   64    51           64    +0
2    Cerulean Dancer      2    57.5    2    1.90     0.0   61    62           62    +1
3    Rosy Lemon           5    57.0    3    2.40     0.0   60    60           60    +0
4    Princess Azariah     2    55.0    4    4.10     0.0   75    55           65    -10
5    Corner Crusade       3    58.0    5    4.70     8.5   61    43           51    -10
6    Miss Lialah          4    54.0    6    6.00     6.0   53    40           43    -10
7    Ingakara             5    55.0    7    6.10     0.0   55    54           54    -1
8    Rowins Dream         5    59.5    8    7.90     0.0   65    63           63    -2
9    Shell Seeker         3    60.0    9    8.20     8.5   65    47           55    -10
10   Drive By             6    56.0    10   9.30     0.0   57    56           56    -1
11   Chelsea Blue         3    58.5    11   13.00    8.5   63    44           53    -10
12   Forged In Ice        3    56.0    12   23.20    8.5   57    39           47    -10
99   Roy's Rocker         3    53.5    99   0.00     8.5   -     34           34    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 You Deserve It 64 67 64 +3 6.0 -
2 Cerulean Dancer 61 71 62 +9 0.0 -
3 Rosy Lemon Line 60 72 60 +12 0.0
4 Princess Azariah 75 62 65 -3 0.0 -
5 Corner Crusade 61 52 51 +1 8.5 -
6 Miss Lialah 53 65 43 +22 6.0 -
7 Ingakara 55 53 54 -1 0.0 -
8 Rowins Dream 65 48 63 -15 0.0 -
9 Shell Seeker 65 62 55 +7 8.5 -
10 Drive By 57 68 56 +12 0.0 -
11 Chelsea Blue 63 60 53 +7 8.5 -
12 Forged In Ice 57 57 47 +10 8.5 -
99 Roy's Rocker - 53 34 +19 8.5 -
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