2歳馬ゾロアストロ、G1馬プレイディヴェーグと互角の動き!陣営「G1級」評価の真相に迫る

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2025.05.242026.02.27

Analysis by AI

目次

  1. I. Introduction: The Stirring of a Superstar – Zoroastro’s Shocking ‘G1-Class’ Assessment
  2. II. Profiles of the Protagonists: The Story of Two Stablemates
  3. III. The Decisive Moment: Zoroastro vs. Playdieuvegue – An Examination of the Joint Training Session

I. Introduction: The Stirring of a Superstar – Zoroastro’s Shocking ‘G1-Class’ Assessment

A. Beacon of Excitement: A Two-Year-Old’s Astonishing Joint Training Session

The horse racing world is abuzz with electrifying news: Zoroastro, an unraced two-year-old, has reportedly demonstrated performance equal to that of active G1 winner Playdieuvegue (known internationally as Brede Vague) in a joint training session. This report immediately captivated Paper Owner Game (POG) enthusiasts. For an unraced youngster to match an accomplished veteran, particularly a G1 titleholder, is highly unusual and strongly indicates immense potential. This report will meticulously analyze the profiles of the horses involved, using this astonishing training information as a foundation, to thoroughly examine the credibility of the ‘G1-class’ assessment circulating from the stable.

B. The Significance of Early Assessment: Why This News Matters

Accurately gauging a two-year-old’s ability before their debut remains a perpetual challenge for both racing professionals and fans. While bloodline, physical conformation, and early training content offer some clues, assessing the true potential of an unraced horse is difficult. In such a scenario, a joint training session with an accomplished, high-caliber horse serves as an invaluable litmus test of their capabilities. Specifically, the fact that Zoroastro showed no inferiority against a G1 winner, as observed here, is a powerful indicator of his extraordinary potential.

Furthermore, when this assessment comes from highly respected professionals in the racing world, such as jockey Christophe Lemaire and trainer Keisuke Miyata, the weight of their words is immeasurable. Their comments are not mere expressions of hope, but rather evaluations founded on concrete observations.

The early public disclosure of this information amplifies its impact, particularly from a POG perspective. POG is a game where participants select promising two-year-olds before their debut and compete based on their prize money earnings, making early talent discovery crucial for success. Naturally, exceptional training reports like Zoroastro’s instantly heighten his profile as a POG nominee. If the ‘G1-class’ evaluation proves true, Zoroastro would elevate his status from a mere ‘promising newcomer’ to a ‘leading contender’ for the classics, even before his debut.

Video Commentary:

II. Profiles of the Protagonists: The Story of Two Stablemates

A. Zoroastro: The Rising Star

1. Pedigree: A Blueprint for Excellence

Zoroastro boasts a pedigree truly befitting a champion. His sire is Maurice, a dominant force in G1 mile races during his career and a highly successful stallion. His dam is Almirena, whose sire is the legendary Deep Impact, considered the pinnacle of modern Japanese racing. This ‘Maurice x Deep Impact’ cross promises exceptional speed, explosive acceleration, and high adaptability to turf.

Delving further into his lineage, his dam, Almirena, secured three wins in the JRA, and his granddam is the German Oaks winner, Night Magic. This bloodline configuration also hints at stamina and an aptitude for top-class performance, providing a background truly worthy of G1 expectations. Whispers suggest, “This pedigree offers stability, and among this generation’s Maurice progeny, he is reportedly the most highly regarded.”

2. Early Physical and Mental Assessment: Qualities Beyond Pedigree

Even with an outstanding pedigree, a horse needs individual ability to achieve greatness. In this regard, Zoroastro has garnered extremely high praise from his connections.

Trainer Keisuke Miyata has lauded Zoroastro’s physique, describing him as a “well-built horse with significant muscle volume” and “quite the splendid conformation.” He also noted the colt’s “refined physique and light movement.” Regarding his athletic ability, Miyata remarked, “His agility when moving and his excellent stride suggest strong athletic prowess, and his motor skills appear excellent.” He further praised his “quick break from the gate,” indicating readiness for racing.

Most notably, jockey Christophe Lemaire expressed astonishment at Zoroastro’s mental maturity, commenting, “He’s like an adult horse,” “His mind and body didn’t look like a two-year-old’s,” and “He was calm both before and after the workout.” These statements underscore a poise and mental completeness far beyond his age. This extraordinary maturity provides a significant advantage for a young horse and is a crucial factor substantiating his G1-class evaluation. This mental maturity likely correlates directly with his ability to handle rigorous training alongside experienced veterans and learn effectively. Early in his career, this maturity should translate into rapid development and high-level performance.

3. POG Attention and Northern Farm’s Strategy

Zoroastro’s pedigree and pre-debut reputation have already made him a highly anticipated prospect within the POG community. Furthermore, it’s noteworthy that his producer, Northern Farm, plans his debut in a mile race during the opening week of the Tokyo Racecourse season. This strategic move by a prominent breeder to enter a promising colt in an early, high-profile race is a clear indication of their immense expectations. Experts note, “Northern Farm using a horse in the opening week’s Tokyo Mile for two-year-olds is strong evidence of their belief in its quality.” Legendary horses like Stelvio and Gran Alegria previously debuted on similar schedules, further highlighting the stable’s high hopes. His debut race is tentatively scheduled for June 7th, in a 2-year-old Newcomer race over 1600m on Tokyo’s turf.

The convergence of multiple positive factors is significant: an elite pedigree (Maurice x Deep Impact, with a G1-winning granddam), glowing assessments of his robust physique and athleticism from his trainer, top jockey comments on his extraordinary mental maturity, and Northern Farm’s strategic debut plan. This isn’t just a single piece of good news; it’s a combination of elements that unequivocally signals this horse as a top prospect. The presence of all these factors indicates a significantly higher probability of success compared to horses possessing only one or two strengths.

Table 1: Zoroastro – Pedigree and Key Assessments

FactorDetailsReferenceSireMauriceDamAlmirenaDam’s SireDeep ImpactGranddamNight Magic (German Oaks winner)TrainerKeisuke MiyataKey Physical Assessment“Quite the splendid conformation,” “Well-built horse with significant muscle volume”Key Ability Assessment“Appears to have good athletic prowess,” “Light movement”Jockey Comment (Lemaire)“He’s like an adult horse,” “His mind and body didn’t look like a two-year-old’s”POG Reputation“Reportedly the most highly regarded among Maurice progeny of this generation”Expected DebutEarly June, Tokyo Turf 1600m

This table provides a concise summary of Zoroastro’s essential information, helping readers quickly grasp his profile and the foundation of his high expectations.

B. Playdieuvegue: The Established G1 Benchmark

1. G1 Victory and a Distinguished Career

The joint training partner, Playdieuvegue, is an accomplished mare who already holds a G1 title. Her crowning achievement is her victory in the 2023 Elizabeth Queen Cup (G1), which unequivocally solidifies her status. Her consistent career record of 9 starts, 4 wins, and 2 second-place finishes (4-2-0-2-0-1) is impressive. A win rate of 44%, a place rate of 67%, and an in-the-money rate (top 5) of 89% clearly attest to her high capabilities. With prize money exceeding 267 million yen, she is undeniably a top-class mare.

2. Recent Form and Adaptability

Playdieuvegue made a triumphant return to racing after an almost year-long layoff, winning the Fuchu Himba Stakes before advancing to the Mile Championship (G1). Despite it being her first attempt at a mile race, she progressed in nearly the same position as the winner, finding a path through the field in the straight and finishing a strong 4th, with no time difference to the second-place horse. Experts praised her, stating, “Despite a pace that demanded endurance and her first mile race, she handled it perfectly,” showcasing her broad distance versatility and excellent current form. She also shares the same stable as Zoroastro, under trainer Keisuke Miyata.

Playdieuvegue is not merely a G1 winner; she is an active, top-class G1 mare who belongs to the same stable as Zoroastro and has recently demonstrated her competitiveness at G1 level, even in a new distance category. This fact means she serves as an exceptionally appropriate and rigorous benchmark for Zoroastro’s training. The comparison isn’t with a G1 winner past her prime or a horse from a different training environment; it’s a direct, contemporary comparison within the same system.

3. Key Characteristics and Considerations

Her turn of foot is so sharp it’s often described as ‘demonic,’ making her late-race surge a formidable weapon. While she has been flagged with “leg concerns” and “gate issues,” her track record suggests these challenges have been expertly managed by the stable. Her primary jockey is Christophe Lemaire, with whom she has secured three victories.

The fact that jockey Christophe Lemaire has achieved significant success with Playdieuvegue, including a G1 victory, lends unparalleled weight to his comments following his joint training session with Zoroastro (against Playdieuvegue). He is uniquely positioned to directly and thoroughly compare the feel and ability of both horses. This allows for a far more accurate relative assessment than that of an external observer or a jockey unfamiliar with either horse, greatly enhancing the credibility of Lemaire’s positive evaluation of Zoroastro.

Table 2: Playdieuvegue – G1 Profile and Key Achievements

FactorDetailsReferenceKey G1 Victory2023 Elizabeth Queen CupOther Key G2 Victory2024 Ireland Trophy FuchuCareer Record9 starts, 4 wins (4-2-0-2)Total Prize Money267.34 million yenNotable Recent PerformanceMile Championship (G1) 4th placeTrainerKeisuke MiyataKey Characteristic“Demonic turn of foot”Primary JockeyC. Lemaire (3 wins)

This table quickly demonstrates Playdieuvegue’s status as a top-class G1 racehorse. It provides readers with the necessary background to understand the significance of Zoroastro’s even performance against her.

III. The Decisive Moment: Zoroastro vs. Playdieuvegue – An Examination of the Joint Training Session

A. Reported Training Details: The Joint Workout

The crucial joint training session took place on the woodchip course at Miho Training Center (Miho W-Course). It involved two-year-old Zoroastro working alongside five-year-old G1 winner Playdieuvegue. Specific training times reported include, “Starting ahead of G1 mare Playdieuvegue (5-year-old Open class), Zoroastro maintained an even finish over 6 furlongs in 84.1 seconds, with a final furlong in 11.3 seconds, achieved effortlessly (馬なり).” Christophe Lemaire was riding Zoroastro during this session. While Playdieuvegue’s jockey was not specified, the significant point is Lemaire’s presence on the promising youngster.

The fact that Zoroastro *led* Playdieuvegue in their joint training session and still managed to finish “effortlessly” (馬なり) on even terms is more impressive than if he had simply sat behind her. Leading means setting the pace and taking the wind, which imposes a tougher burden, especially on a young horse. For a two-year-old to accomplish this against a G1 mare without being pushed to his limit (indicated by “effortlessly”) serves as a critical indicator of his strength and high ability. This detail elevates the “even” result far beyond a simple shared finish line.

B. Interpreting ‘Even’ (併入): What It Signifies

In horse racing, ‘Heinyu’ (併入), or an ‘even’ finish, generally refers to a situation where two or more horses cross the finish line almost simultaneously, with no clear advantage for either. In this particular instance, for an unraced two-year-old to finish even with an accomplished G1 winner, especially with the youngster setting the pace, represents an exceptionally positive outcome for Zoroastro.

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