The Betting Essentials Book on Horse Racing by Warren Block

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The "winningest" trainers report - SPOTLIGHT and SNAPSHOT on John Blacker

BETTING ESSENTIALS CS says: It was refreshing to read Betting Essentials - you never stop learning.

 

Warren Block's Daily Report - Wednesday, 8 April 2026

  • The "winningest" trainers report - SPOTLIGHT and SNAPSHOT on John Blacker
  • Wizard Freebie - Wizard Watch report
  • Matrix - day by day analysis of Wednesday & Thursday racing
  • Wizard Ratings, Raceday, Matrix, and Selectives Results

 

Australia's "winningest" trainers last week - SPOTLIGHT and SNAPSHOT on John Blacker

Here is the list of trainers who trained at least a double at any of the Tab meetings last week, along with the jockeys for who rode the winners. This table is colour coded to highlight the outperformers and it is worth noting these stables and the combinations.

A key factor to be considered in selection-making is the stable, and the trainer-jockey combination. The Wizard weekly "winningest" trainer report is a valuable guide as to which stable/trainer and jockey-trainer combination is currently in form.

To add to this weekly insight, we SPOTLIGHT a particular stable and post an in-depth coverage of its record with different riders, over a period of two years. 

The Jockey/Trainer combinations that are included here are based on the following criteria: The Jockey/Trainer combination is listed when a jockey's record shows at least 2 wins when riding the Wizard top-rater, or at least 3 wins when riding the race favourite, or 4 wins if the runner is in the $2.00 to $5.90 odds range, for that stable. Also included are the overall percentage stats for the jockey when riding a Wizard top rater or race favourite, for any stable. Note, that these stats cover the rider's results in all races, irrespective of location.

Here is the SNAPHOT PROFILE of John Blacker (via ChatGPT, and other sources) which makes for some interesting reading.

Background

Tasmanian trainer John Blacker has built a long, successful career on foundations laid by his racing family, headed by his father, Tasmanian Hall of Fame horseman George Blacker. Growing up in that environment, John began as a trackwork rider for his father, learning to break in and educate young horses before taking out his own licence in his early twenties. The Blacker familys deep roots in Tasmanian racing, including brother Troys training involvement, helped shape Johns practical, horsefirst outlook and his comfort working with sizeable teams. youtube jkbracing squarespace+1

Current operations

Today John heads JKB Racing, one of Tasmanias most prolific stables, operating primarily from Longford. After a period training in Victoria, he returned home in 2013 and set up at Longford, taking advantage of its grass, sand and synthetic options. A southern satellite stable at Brighton, near Hobart, now complements his northern base and allows him to place horses efficiently across the Launceston, Hobart and Devonport programs while reducing travel stress. Jkbracing squarespace+2 youtube

Jockeys and riding combinations

The stable rotates jockeys according to form and availability but consistently leans on experienced locals riding out of Launceston and Hobart to execute stable tactics. Apprentices are also part of the JKB Racing strategy, with claims used to offset big weights in benchmarks and features when handicaps are against his horses. jkbracing+4

Feature race victories and notable horses

Johns record in Tasmanian feature races underlines his status as a premier trainer. His resume includes victories in the Tasmanian Derby, Tasmanian St Leger, Tasmanian Newmarket and multiple Devonport Cups (1998, 2010 and 2017), as well as Longford Cups in 1996, 2014, 2020 and 2021. Listed race wins such as the 2019 Conquering Stakes and the 2021 Tasmanian Guineas sit alongside interstate success, most notably Nuclear Frees 2006 Group 2 Tristarc Stakes at Caulfield during the Melbourne spring. Recent seasons with tallies of 68 and then 82 winners, plus backtoback trainers premierships, reflect not just headline horses but depth across the team. tasracing+3

Training philosophy and horse placement

Johns training style is grounded in horsemanship, fitness and astute placing of his horses. His background as a rider and breaker informs a focus on relaxed minds and robust bodies, with Longfords varied surfaces central to building that base. He is active at yearling sales around Australia, buying horses to suit Tasmanian conditions and building squads aimed at specific distances, tracks and calendar targets. John is prepared to sidestep seemingly simple races when weight or conditions are wrong and, conversely, to throw in a thriving horse at feature level when the setup looks ideal, as seen when he opts to avoid a 2YO handicap under a stiff impost and seek a more suitable assignment. Consistent high premiership finishes and a solid strike rate suggest a systematic approach that prioritises winning opportunities over mere participation. breedingracing+2 youtube jkbracing squarespace+1

(If you would like to see a particular trainer profiled in SPOTLIGHT let me know via Everyrace Support contact.)

 

Wizard Freebie - Wizard Watch report

The aim of the Wizard Watch report is to highlight on race-morning which horses have been the most significant firmers overnight and earlier on race-morning. This Wizard freebie is an extract of this report featuring some of the venues being covered today. The full report is available with the other Wizard "market sensitive" reports at 10:30am each day.

Wizard monitors race morning market trends over the first 3 hours of race day betting to determine which horses are anticipated to run above earlier pre-post expectations and which horses have had their higher probabilities confirmed.

Given the significance of this early/informed market action, the odds about the Wizard Watch Morning Movers naturally skew towards the shorter odds, but this is compensated by the strike rate. Double figure odds about successful Market Movers are rare, but each-way odds winners are backable.

 Click here for an explanation of Wizard Watch.

 

Matrix - day by day analysis of Wednesday & Thursday racing

The tables show the results for the past eight weeks for the day on which racing occurred. So, today being Wednesday, this Matrix DOW (Day of Week) report covers the past eight Wednesday and Thursday results. The day-after results are included so that they are available on race-eve, rather than only on race morning.

(The daily Matrix report aims to assist subscribers contain the number of bets to manageable proportions and improve the strike rate. The report is posted to our website between 10:30am and 10:45am each day with an update at 12 noon.)

 

Wizard Ratings, Raceday, Matrix, and Selectives results

We publish these full results daily so that subscribers can see the results of the Wizard's ratings options, and Report-content, and thereby formulate a selecting and betting strategy that suits them individually. The Wizard ratings should not be seen as "tips", rather as objective assessments that can be used to inform one's own judgement as to the relative chances of the runners in a race.

The full day-by-day results for Wizard (Wrat) top 4 rated runners, the Raceday Qualifier, and the Matrix (MaxR) 100 pointer, the MaxR top-two, the What-IF top-two Filtered, together with the Matrix W1+MaxR100 Selective qualifier, and the Matrix W1+*EO+MaxR100 Selective qualifier. Also included are the overall results for last week and the last four weeks. The 2024-2025 column shows the WRat results for the full racing season.

This results summary is colour coded so that it is easier for readers to track the relative performance of the Top Rated (blue) and Top-Two Rated (green) ratings options on a daily, and longer term, basis. The best overall qualifier (yellow) is highlighted. Also, the single runner options are grouped separately, as are the two-horse and multi-horse options results, again to make comparisons easier.

The following table shows this week's results of alternative options with respect to possible Matrix Selectives combinations, as well as weekly summaries. These combinations are accessible via the Wizard MATRIX report which is posted to our website between 10:30am and 10:45am each day.

(Key: The first of the two columns for each Selective combination shows number of qualifying races and the second column shows the strike rate. Headings: RWM is Raceday,Watch,Magic,  RWM 2/3 means two or three qualifying, Rday is Raceday report qualifier , Magic is Magic report qualifier, R/M is Raceday and Magic, WR1 is Wrat 100, MR1 is MaxR 100, Watch is a Watch report qualifier.)

The following table shows where the winner of each race run yesterday was rated by WRat, WMod, WHcp, and WExpk and was the qualifier in the Wizard Raceday Report. (Note: The Wrat [W] winner results report on both the top rated and top-two rated winners.) The Raceday Report winners under the Top Rated column are from those races where there was only one Raceday qualifier, and under the Top 2 Rated on the rare occasions where there were two qualifiers in a race.

Header: WMHER = WRat (W), WMod (M), WHcp (H), WExpk (E), Raceday (R).

For a full explanation of the table click: How to read the Wizard Ratings Results

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The formguide is supplied as downloadable and printable PDF files. Buying the Wizard also gives you access to the Wizard rewards program, featuring the Wizard archive and the ability to generate individualised Wizard Systems.

The Betting Essentials Book on Horse Racing by Warren Block

Wizard

The Wizard is an online formguide available every day from this website. It provides form and ratings for all Australian and New Zealand meetings covered by Tabcorp.

The formguide is supplied as downloadable and printable PDF files. Buying the Wizard also gives you access to the Wizard rewards program, featuring the Wizard archive and the Wizard Systems.

You also have access to the Wizard Race Fields, incredibly detailed form history and statistical content live on our site (which is also optimised for mobiles)

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