Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Silvano's Song
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 12
Within 2 points
Significant Diffs
11 / 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    Roll Over Redrover   4    57.5    1    0.00     2.5   -     -            -     +0
2    Brave Viking         5    59.0    2    3.00     0.0   73    10           63    -10
3    Silvano's Song       3    59.0    3    7.25     4.0   -     -            -     +0
4    Kanimambo            5    59.0    4    7.75     0.0   -     8            8     +8
5    Free Movement        3    59.0    5    8.25     4.0   -     -            -     +0
6    Camlicourt           2    59.0    6    9.75     0.0   -     8            8     +8
7    Bye Bye Birdie       3    60.0    7    11.00    4.0   57    2            47    -10
8    Fish Eagle           5    59.0    8    12.25    0.0   73    8            63    -10
9    Equestrian Affair    2    59.0    9    12.50    0.0   74    8            64    -10
10   Captain Tik Tok      5    59.0    10   14.75    0.0   -     8            8     +8
11   Archimides           3    59.0    11   16.25    4.0   -     -            -     +0
12   Cash Slip            2    59.0    12   21.50    0.0   71    8            61    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Roll Over Redrover - 79 - +79 2.5 -
2 Brave Viking 73 72 63 +9 0.0 -
3 Silvano's Song Line - 74 - +74 4.0
4 Kanimambo - 59 8 +51 0.0 -
5 Free Movement - 81 - +81 4.0 -
6 Camlicourt - 66 8 +58 0.0 -
7 Bye Bye Birdie 57 57 47 +10 4.0 -
8 Fish Eagle 73 71 63 +8 0.0 -
9 Equestrian Affair 74 78 64 +14 0.0 -
10 Captain Tik Tok - 72 8 +64 0.0 -
11 Archimides - 70 - +70 4.0 -
12 Cash Slip 71 58 61 -3 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