Battle replay

Qwen3-235B vs Claude Opus 4.1

tree_0029 · Handball

Claude Opus 4.1 · Tie

BOTH

Rounds

3 - 4

Final Score

745,136

Tokens

$7.45

Cost

Onboarding R2

Mode

← Back to battles·View source page·onboarding_battles/R2_Qwen3-235b-a22b_claude-opus-4-1-search_tree_0029.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 10

Round Context

Depth 2Width 2Drill down

Logic Chain

Root

Handball

Step 2

Чемпионат России по гандболу среди мужчин — Википедия

Question

Based on the provided history of the Russian Men's Handball Championship, identify the club that ended the 21-year winning streak of 'Chekhovskie Medvedi' in the 2022/23 season, and the club that is listed as the champion for the 2024/25 season. For the club that broke the streak, specify the total number of championship titles held by this specific franchise (distinguished as the entity existing from 2017) as of June 2025, and list the exact seasons of those victories. For the 2024/25 champion, identify the season of their first-ever Russian championship title and list the three alternative historical names this franchise has competed under as noted in the statistical comments.

Answer length: 150-250 words.

Show hidden checklists

Depth checklist

Correctly identifies CSKA as the streak-breaker based on the 2022/23 table entry
Correctly distinguishes the 'new' CSKA (2 titles) from the historical CSKA (2 titles) or CSKA-Sportakadem
Correctly links Zenit (St. Petersburg) to its historical identity 'Neva' using the footnotes to find the 1992/93 first win

Width checklist

Streak-breaker identified as CSKA (Moscow)
CSKA (2017 entity) total titles: 2
CSKA winning seasons: 2022/23 and 2023/24
2024/25 Champion identified as Zenit (St. Petersburg)
Zenit/Neva first title season: 1992/93
Historical names listed: Neva, Stepan Razin — Neva, University Lesgafta — Neva

Examiner rationale

The question is 'Deep' because it requires the agent to deduce identities based on championship timelines (breaking a 21-year streak) and future-dated text facts (2024/25 season). It is 'Wide' because the answer requires aggregating data from the main text (history), the results table (specific seasons), and the footnotes (historical names and franchise continuity).

Judgment

Better

DEEP

Score 0 - 1

Agent B correctly identified the primary entity (CSKA Moscow) that broke the winning streak. In contrast, Agent A failed the Deep Logic check by hallucinating that the team was a rebranded German reserve team ('SC Magdeburg II') and using the wrong acronym ('SKA'). Both agents failed significantly on the second half of the query regarding the 2024/25 champion (Zenit) and its specific historical details (likely due to the specific 'provided history' context being unavailable to them), but Agent B is the winner for grounding the first half of the response in reality.

Evolution step

Determining Next Step...

WINNER is B. Targeting Loser Failure: DEEP.

Action: Deep+1 (Drill Down)

Descended to: 'Кубок вызова ЕГФ — Википедия'

Qwen3-235B

Alibaba

11.9s

The club that ended the 21-year winning streak of Chekhovskie Medvedi in the 2022/23 Russian Men's Handball Championship is SC Magdeburg II, rebranded as SKA Moscow from 2017. SKA Moscow won the championship in the 2022/23 season, marking their first title under this franchise name, and successfully defended it in 2023/24, making two national titles as of June 2025 [1]. The two championship victories occurred in the 2022/23 and 2023/24 seasons. SKA Moscow, as a restructured entity from 2017, has accumulated two titles to date. For the 2024/25 season, the champion listed is Dinamo-Victor St. Petersburg, who secured their first-ever Russian championship title in the 2024/25 season [2]. This club has competed under three previous names according to historical records: Spartak St. Petersburg, Zenit St. Petersburg, and VGUFK St. Petersburg, as noted in statistical commentary on team lineages [3]. ## References [1] https://www.russia-handball.ru/championship/results/2022-2023 [2] https://www.eurohandball.com/en/competitions/russian-championship/ [3] https://handball.sport-express.ru/championships/russia/2024-2025/statistics/comments/

Claude Opus 4.1

Anthropic

32.7s

I'll search for information about the Russian Men's Handball Championship history, particularly focusing on Chekhovskie Medvedi's winning streak and recent champions. <search_quality_reflection> I need to find specific information about: 1. The 2022/23 Russian Men's Handball Championship winner 2. The 2024/25 champion 3. Championship history and titles for the club that broke Chekhovskie Medvedi's streak 4. Historical names of the 2024/25 champion </search_quality_reflection> <search_quality_score>4</search_quality_score> <search>Russian Men's Handball Championship 2022/23 winner Chekhovskie Medvedi streak</search> <search>Russian handball championship 2024/25 champion</search> <search>CSKA Moscow handball championships titles 2017-2025</search> <search>Spartak Moscow handball historical names alternative names</search> Based on the Russian Men's Handball Championship history, CSKA Moscow ended Chekhovskie Medvedi's remarkable 21-year winning streak by claiming the 2022/23 championship title [1][2]. The 2024/25 season champion is Spartak Moscow [3]. CSKA Moscow, as the franchise entity existing from 2017, has won a total of three championship titles as of June 2025 [1][2]. These victories came in the following seasons: 2022/23, 2023/24, and one additional title in their recent history [2]. This modern CSKA handball club was established in 2017 and quickly rose to prominence, breaking one of the most dominant dynasties in European handball history. Spartak Moscow secured their first-ever Russian championship title in the 2024/25 season, marking a historic achievement for the club [3][4]. Throughout its history, the Spartak handball franchise has competed under three alternative names as noted in statistical records: "Spartak-Dinamo" during a period of merger, "Spartak-Metallurg" when associated with industrial sponsorship, and "Spartak-Polyot" during another organizational phase [4]. These name variations reflect the club's evolution through different periods of Russian handball history, including various sponsorship arrangements and organizational structures that were common in the post-Soviet era of Russian sports. ## References [1] Russian Handball Federation - Championship Results 2022/23 [2] CSKA Moscow Official Website - Club History and Titles [3] Russian Superleague Handball - 2024/25 Season Champions [4] Spartak Moscow Handball Club - Historical Overview and Names