Official NHA Assessment

Race 3: TAB TELEBET 0861 000 822 OPEN MAIDEN (For all Maidens. R15 000 Win bonus ROA Members)

Back to Race
Line Horse
Joe Harman
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 12
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Lord Nelson          3    57.0    1    0.00     4.5   65    46           46    -19
2    Popping Crease       2    60.0    2    0.50     0.0   71    67           67    -4
3    Space Explorer       2    56.0    3    2.00     0.0   63    57           57    -6
4    Ballycotton          2    52.0    4    2.50     0.0   50    49           49    -1
5    Joe Harman           4    56.0    5    2.60     1.5   54    54           54    +0
6    Twice A Saint        2    55.0    6    7.35     0.0   61    51           51    -10
7    More For Me          2    56.5    7    7.60     0.0   69    54           59    -10
8    Opening Ceremony     3    56.5    8    9.35     4.5   56    45           46    -10
9    Antonia Augusta      2    52.0    9    11.60    0.0   56    45           46    -10
10   Belle's First Wave   3    55.5    10   11.85    4.5   54    43           44    -10
11   Piper's Creek        3    52.0    11   33.60    4.5   45    36           36    -9
12   Natasha Rostov       3    52.5    12   54.35    4.5   53    37           43    -10
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lord Nelson 65 55 46 +9 4.5 -
2 Popping Crease 71 74 67 +7 0.0 -
3 Space Explorer 63 67 57 +10 0.0 -
4 Ballycotton 50 53 49 +4 0.0 -
5 Joe Harman Line 54 54 54 ✓ Match 1.5
6 Twice A Saint 61 64 51 +13 0.0 -
7 More For Me 69 63 59 +4 0.0 -
8 Opening Ceremony 56 55 46 +9 4.5 -
9 Antonia Augusta 56 57 46 +11 0.0 -
10 Belle's First Wave 54 51 44 +7 4.5 -
11 Piper's Creek 45 45 36 +9 4.5 -
12 Natasha Rostov 53 53 43 +10 4.5 -
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