Official NHA Assessment

Race 7: WORLD SPORTS BETTING SYCAMORE SPRINT (Grade 3) (For Fillies and Mares)

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Line Horse
Rachel Wall
Reference for assessment
Exact Matches
3 / 12
Calculated = Official
Close Matches
6 / 12
Within 2 points
Significant Diffs
0 / 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    Perfect Miracle      3    52.0    1    0.00     3.5   93    91           91    -2
2    Frozen Fantasy       3    56.0    2    0.50     3.5   96    99           99    +3
3    Rachel Wall          2    58.0    3    1.50     2.5   105   105          105   +0
4    Poblano              3    58.0    4    2.25     3.5   100   103          103   +3
5    Vanakkam             2    52.0    5    3.15     2.5   93    93           93    +0
6    Chrome Tourmaline    4    61.5    6    3.55     4.0   107   109          109   +2
7    Komati River         3    54.5    7    5.95     3.5   93    96           96    +3
8    Song Of Myself       3    58.0    8    6.45     3.5   100   103          103   +3
9    Calantha             4    55.5    9    7.95     4.0   95    97           97    +2
10   Little Ballerina     2    60.0    10   9.75     2.5   104   109          109   +5
11   Sonic Jet            3    58.5    11   19.00    3.5   101   104          104   +3
99   Glastonbury          2    52.5    99   0.00     2.5   -     94           94    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Perfect Miracle 93 96 91 +5 3.5 -
2 Frozen Fantasy 96 98 99 -1 3.5 -
3 Rachel Wall Line 105 105 105 ✓ Match 2.5
4 Poblano 100 100 103 -3 3.5 -
5 Vanakkam 93 93 93 ✓ Match 2.5 -
6 Chrome Tourmaline 107 107 109 -2 4.0 -
7 Komati River 93 93 96 -3 3.5 -
8 Song Of Myself 100 100 103 -3 3.5 -
9 Calantha 95 95 97 -2 4.0 -
10 Little Ballerina 104 104 109 -5 2.5 -
11 Sonic Jet 101 101 104 -3 3.5 -
99 Glastonbury - 94 94 ✓ Match 2.5 -
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