Official NHA Assessment

Race 8: NEXT TURFFONTEIN RACEMEETING WEDNESDAY 27 APRIL MR 72 HANDICAP (Open)

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Line Horse
Call Me Master
Reference for assessment
Exact Matches
1 / 17
Calculated = Official
Close Matches
6 / 17
Within 2 points
Significant Diffs
6 / 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    Leeson               3    56.0    1    0.00     3.5   71    52           71    +0
2    Ball Rolling         5    52.0    2    2.00     0.0   59    56           56    -3
3    Call Me Master       8    56.0    3    2.05     0.0   64    64           64    +0
4    Arlington Action     6    58.0    4    2.25     0.0   75    68           68    -7
5    Elusive Swann        4    56.0    5    2.30     1.5   72    60           62    -10
6    Tinder Dry           3    60.0    6    3.50     3.5   79    63           69    -10
7    Secret Giver         4    57.5    7    3.75     1.5   67    61           61    -6
8    Stunning Kitten      5    59.0    8    4.50     0.0   70    66           66    -4
9    Pottinger            3    58.5    9    5.50     3.5   76    57           66    -10
10   Clarkson             4    59.0    10   5.75     1.5   70    62           62    -8
11   Ablueazure           3    59.0    11   6.25     3.5   77    58           67    -10
12   Kurt's Approval      7    50.5    12   9.50     0.0   53    48           48    -5
13   Fort Wylie           4    52.0    13   11.50    1.5   52    48           48    -4
14   Keepingthepeace      4    60.0    14   11.75    1.5   72    64           64    -8
15   Ancient Rome         4    54.5    15   14.00    1.5   61    53           53    -8
16   Attentive            5    54.5    16   14.50    0.0   60    56           56    -4
99   Signals              4    52.0    99   0.00     1.5   -     48           48    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Leeson 71 72 71 +1 3.5 -
2 Ball Rolling 59 59 56 +3 0.0 -
3 Call Me Master Line 64 65 64 +1 0.0
4 Arlington Action 75 73 68 +5 0.0 -
5 Elusive Swann 72 72 62 +10 1.5 -
6 Tinder Dry 79 66 69 -3 3.5 -
7 Secret Giver 67 75 61 +14 1.5 -
8 Stunning Kitten 70 66 66 ✓ Match 0.0 -
9 Pottinger 76 70 66 +4 3.5 -
10 Clarkson 70 75 62 +13 1.5 -
11 Ablueazure 77 76 67 +9 3.5 -
12 Kurt's Approval 53 60 48 +12 0.0 -
13 Fort Wylie 52 43 48 -5 1.5 -
14 Keepingthepeace 72 66 64 +2 1.5 -
15 Ancient Rome 61 59 53 +6 1.5 -
16 Attentive 60 58 56 +2 0.0 -
99 Signals - 49 48 +1 1.5 -
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