Official NHA Assessment

Race 1: WSB WELCOMES YOU MAIDEN PLATE (For all Maidens)

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Line Horse
Silk Garden
Reference for assessment
Exact Matches
0 / 18
Calculated = Official
Close Matches
1 / 18
Within 2 points
Significant Diffs
14 / 18
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    Vava Vegas           5    60.0    1    0.00     0.0   -     77           6     +6
2    Silk Garden          3    57.5    2    1.00     6.0   60    60           60    +0
3    Wind Water           3    60.0    3    2.25     6.0   -     65           65    +65
4    Dungeons             2    60.0    4    2.50     4.0   68    69           69    +1
5    Desert Fox           3    60.0    5    4.25     6.0   74    65           65    -9
6    California Boy       3    60.0    6    4.50     6.0   -     65           65    +65
7    Blyde River          4    60.0    7    5.75     7.0   45    63           63    +18
8    Dontshootthebarman   5    60.0    8    5.95     0.0   -     77           77    +77
9    Northern King        3    60.0    9    6.00     6.0   52    65           65    +13
10   Lorna Lilly          3    53.5    10   6.75     6.0   55    52           52    -3
11   Global Heart         3    60.0    11   9.00     6.0   -     65           65    +65
12   Stella Et Clavis     2    60.0    12   10.25    4.0   71    69           69    -2
13   Midnight Verdict     3    60.0    13   14.00    6.0   -     65           65    +65
14   Mazatlan             3    60.0    14   14.25    6.0   -     65           65    +65
15   Tony Soprano         2    60.0    15   14.75    4.0   50    69           69    +19
16   Stella Brillante     2    60.0    16   16.00    4.0   62    69           69    +7
99   American Grayson     3    60.0    99   0.00     6.0   -     65           65    +0
99   Fiddleronthecliffs   3    58.5    99   0.00     6.0   -     62           62    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Vava Vegas - 58 6 +52 0.0 -
2 Silk Garden Line 60 56 60 -4 6.0
3 Wind Water - 89 65 +24 6.0 -
4 Dungeons 68 73 69 +4 4.0 -
5 Desert Fox 74 57 65 -8 6.0 -
6 California Boy - 53 65 -12 6.0 -
7 Blyde River 45 48 63 -15 7.0 -
8 Dontshootthebarman - 93 77 +16 0.0 -
9 Northern King 52 57 65 -8 6.0 -
10 Lorna Lilly 55 50 52 -2 6.0 -
11 Global Heart - 56 65 -9 6.0 -
12 Stella Et Clavis 71 64 69 -5 4.0 -
13 Midnight Verdict - 45 65 -20 6.0 -
14 Mazatlan - 58 65 -7 6.0 -
15 Tony Soprano 50 40 69 -29 4.0 -
16 Stella Brillante 62 57 69 -12 4.0 -
99 American Grayson - 84 65 +19 6.0 -
99 Fiddleronthecliffs - 76 62 +14 6.0 -
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