Official NHA Assessment
Race 4: RACING240 FOR RACING. FOR YOU MR 72 HANDICAP (Open)
Line Horse
Puerto Plata (ARG)
Reference for assessment
Exact Matches
0 / 16
Calculated = Official
Close Matches
1 / 16
Within 2 points
Significant Diffs
11 / 16
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------ Pos Horse Age Weight Fin Lengths WFA Pre Race Rating New Adj ------------------------------------------------------------------------------------------------------------------------ 1 Harold The Duke 3 58.0 1 0.00 8.5 68 62 68 +0 2 Karoo Gold 3 59.0 2 0.25 8.5 72 64 64 -8 3 Puerto Plata (ARG) 3 58.5 3 1.00 8.5 69 69 69 +0 4 Alado's Pride 7 61.5 4 2.25 0.0 75 91 91 +16 5 Slainte Mhath 4 57.5 5 2.50 5.0 69 72 72 +3 6 San Quintin 6 54.5 6 3.00 0.0 61 75 75 +14 7 Head Gardener 3 55.5 7 4.25 8.5 63 59 59 -4 8 Downing Seven 5 64.0 8 4.75 0.0 80 91 91 +11 9 Walt Whitman 2 60.0 9 5.25 0.0 89 83 83 -6 10 Nothingelsematters 5 58.5 10 7.25 0.0 69 80 80 +11 11 Light Without 4 62.0 11 8.50 5.0 76 77 77 +1 12 Military Man 2 57.5 12 9.75 0.0 69 78 78 +9 13 Island Master 3 56.5 13 13.75 8.5 67 59 59 -8 14 Rastignac 4 58.0 14 22.50 5.0 70 69 69 -1 15 Crimson Comet 3 54.5 15 23.50 8.5 78 55 68 -10 99 The Inkosana 3 58.0 99 0.00 8.5 - 62 62 +0 ------------------------------------------------------------------------------------------------------------------------
Horse-by-Horse Comparison
| Pos | Horse | Pre-Rating | Official New | Calculated | Discrepancy | WFA (kg) | Line Horse | Calculation |
|---|---|---|---|---|---|---|---|---|
| 1 | Harold The Duke | 68 | 86 | 68 | +18 | 8.5 | - | |
| 2 | Karoo Gold | 72 | 67 | 64 | +3 | 8.5 | - | |
| 3 | Puerto Plata (ARG) Line | 69 | 68 | 69 | -1 | 8.5 | ||
| 4 | Alado's Pride | 75 | 73 | 91 | -18 | 0.0 | - | |
| 5 | Slainte Mhath | 69 | 81 | 72 | +9 | 5.0 | - | |
| 6 | San Quintin | 61 | 58 | 75 | -17 | 0.0 | - | |
| 7 | Head Gardener | 63 | 66 | 59 | +7 | 8.5 | - | |
| 8 | Downing Seven | 80 | 69 | 91 | -22 | 0.0 | - | |
| 9 | Walt Whitman | 89 | 88 | 83 | +5 | 0.0 | - | |
| 10 | Nothingelsematters | 69 | 73 | 80 | -7 | 0.0 | - | |
| 11 | Light Without | 76 | 71 | 77 | -6 | 5.0 | - | |
| 12 | Military Man | 69 | 65 | 78 | -13 | 0.0 | - | |
| 13 | Island Master | 67 | 67 | 59 | +8 | 8.5 | - | |
| 14 | Rastignac | 70 | 58 | 69 | -11 | 5.0 | - | |
| 15 | Crimson Comet | 78 | 72 | 68 | +4 | 8.5 | - | |
| 99 | The Inkosana | - | 67 | 62 | +5 | 8.5 | - |
Assessment Methodology
Calculation Steps:
- Identify Line Horse - consistent performer used as reference
- Calculate WFA Allowance based on age, distance, and month
- Apply Drag Adjustment for beaten margin
- Calculate Actual Weight Performance:
Weight - Drag - WFA - Compare to Line Horse to determine race rating
- 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