Official NHA Assessment

Race 8: NEXT TURFFONTEIN RACEMEETING SUNDAY 08 MAY MR 80 HANDICAP (Open)

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Line Horse
Call Me Master
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
8 / 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    Catchthegreenlight   3    52.0    1    0.00     2.0   64    56           64    +0
2    Call Me Master       8    52.0    2    1.00     0.0   64    64           64    +0
3    Qunetra              4    56.5    3    2.20     0.5   73    71           71    -2
4    Secret Is Ours       4    57.5    4    2.50     0.5   75    72           72    -3
5    Calibre Crest        3    58.0    5    3.00     2.0   80    70           70    -10
6    Sir Tallin           3    55.0    6    4.00     2.0   74    63           64    -10
7    Tattenham Hill       3    55.5    7    5.10     2.0   75    63           65    -10
8    Twin Turbo           4    59.5    8    6.50     0.5   79    74           74    -5
9    Zuzan                3    61.5    9    7.00     2.0   87    75           77    -10
10   Absolute Value       3    54.0    10   9.25     2.0   72    60           62    -10
11   Bally Magic          6    54.0    11   9.65     0.0   72    64           64    -8
12   Sea Ways             4    59.5    12   10.00    0.5   79    74           74    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Catchthegreenlight 64 68 64 +4 2.0 -
2 Call Me Master Line 64 65 64 +1 0.0
3 Qunetra 73 83 71 +12 0.5 -
4 Secret Is Ours 75 66 72 -6 0.5 -
5 Calibre Crest 80 74 70 +4 2.0 -
6 Sir Tallin 74 70 64 +6 2.0 -
7 Tattenham Hill 75 79 65 +14 2.0 -
8 Twin Turbo 79 88 74 +14 0.5 -
9 Zuzan 87 98 77 +21 2.0 -
10 Absolute Value 72 84 62 +22 2.0 -
11 Bally Magic 72 60 64 -4 0.0 -
12 Sea Ways 79 60 74 -14 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