Jun Ishikawa - Boss Battle [Challenge]
4K osu!mania chart for Jun Ishikawa - Boss Battle, mapped by ajmstyles: 37.84 difficulty, 1:06 long, 782 notes, ranked. Leaderboard of 0 players on Nascent.
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{{ view.keyCount }}K leaderboard
{{ $f.number(view.total) }} ranked players
Plays
{{ $f.number(view.total) }} {{ view.keyCount }}K {{ view.performance ? 'ranked plays' : 'plays' }}
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{{ view.titles.sub }} · [{{ view.play.chart.difficulty_name }}] by {{ view.play.chart.mapper }}
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Waiting for review
- {{ flag.message }} {{ $f.flag(flag) }}
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Staff · this play was rejected
Note: {{ view.play.review_note }}
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Replay
The replay for this play couldn't be loaded.
Download replay file{{ view.user.username }} {{ view.user.role }} restricted
{{ view.strongest.key_count }}K
Staff
{{ staffError }}
Restricted players disappear from every leaderboard and can't submit plays or reports.
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- {{ grade }}{{ $f.number(view.user.stats.grade_counts[grade]) }}
Key modes
| Mode | Rank | Percentile | Peak | Performance | Accuracy | Ranked plays | Time played |
|---|---|---|---|---|---|---|---|
| {{ mode.key_count }}K | {{ $f.standing(mode.global_rank, mode.ranked_players) || "—" }} | {{ $f.rank(mode.peak_rank) }} | {{ $f.performance(mode.performance) }} | {{ $f.accuracy(mode.accuracy) }} | {{ $f.number(mode.ranked_play_count) }} | {{ $f.playtime(mode.total_playtime_ms) }} |
{{ view.modes.length ? view.keyCount + 'K activity' : 'Activity' }}
{{ view.keyCount }}K history
Favorite charts
-
{{ entry.chart.artist }} - {{ entry.chart.title }} [{{ entry.chart.difficulty_name }}]
{{ entry.chart.key_count }}K · {{ $f.plural(entry.plays, 'play') }} · best {{ $f.accuracy(entry.best_accuracy) }} · last
No plays yet.
Stats
Everything happening on Nascent
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Plays per day
Popular this week
Nobody has played this week yet.
| Chart | Keys | Plays | Players |
|---|---|---|---|
| {{ entry.chart.artist }} - {{ entry.chart.title }} [{{ entry.chart.difficulty_name }}] | {{ entry.chart.key_count }}K | {{ $f.number(entry.plays) }} | {{ $f.number(entry.players) }} |
Plays by key mode
Grades
- {{ grade }}{{ $f.number(view.activity.grades[grade]) }}
{{ view.data.model.name }}
Scale
Dans at every rate
Nascent Benchmark
CalcTestList
2015 community vote
| Calculator | Nascent Benchmark | CalcTestList | 2015 vote | |||
|---|---|---|---|---|---|---|
| Agreement | Error | Agreement | Error | Agreement | Error | |
| {{ row.name }} | {{ row.scores.spearman.toFixed(3) }} | {{ row.scores.error.toFixed(3) }} | {{ row.calcTest.spearman.toFixed(3) }} | {{ row.calcTest.error.toFixed(2) }} | {{ row.community.spearman.toFixed(3) }} | {{ row.community.error.toFixed(3) }} |
Against Etterna MSD
Against osu! star rating
Difficulty to accuracy
Stronger players
Length, notes and holds
Jacks
Biggest contributors
Every weight
Weight adjustments
Charts
{{ $f.number(view.total) }} {{ route.params.status === 'all' ? 'charts' : 'ranked charts' }}
No charts match these filters.
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Source | Status | |||||
|---|---|---|---|---|---|---|---|
| {{ chart.artist }} - {{ chart.title }} [{{ chart.difficulty_name }}] | {{ chart.mapper }} | {{ chart.key_count }}K | {{ $f.length(chart.duration_ms) }} | {{ $f.number(chart.play_count) }} | {{ $f.source(chart) }} | {{ chart.status }} |
{{ view.titles.main }}
{{ view.titles.sub }}
[{{ view.chart.difficulty_name }}] by {{ view.chart.mapper }} {{ view.chart.status }} {{ $f.source(view.chart) }}
Staff
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Difficulty at {{ $f.rate(view.rate) }}
{{ $f.performance(view.difficulty) }}
{{ label }}
{{ value }}
Each player's best performance across every rate · {{ $f.number(view.board.total) }} players
Sign in
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Thanks, {{ view.username }}. Your email is verified and your plays will be submitted.
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Account
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Your data
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Signed in devices
| Device | Address | Last used | Actions |
|---|---|---|---|
| {{ $f.client(entry.client) }} this browser | {{ entry.ip }}••• |
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Staff
You're signed in as {{ user?.username }}, which can't review plays.
Review queue
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{{ view.status === 'reports' ? 'No open reports.' : 'No closed reports yet.' }}
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· reported by {{ report.reporter.username }}a deleted account
·
{{ report.user.username }} restricted
{{ report.chart.artist }} - {{ report.chart.title }} [{{ report.chart.difficulty_name }}] {{ report.chart.status }}
The reported item was deleted.
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Resolving or dismissing also closes the other open reports about the same {{ report.kind }}.
{{ report.status === 'resolved' ? 'Resolved' : 'Dismissed' }} by {{ report.resolved_by?.username ?? 'a deleted account' }}
Nothing here.
{{ play.chart.artist }} - {{ play.chart.title }} [{{ play.chart.difficulty_name }}]
{{ $f.accuracy(play.accuracy) }} · {{ $f.rate(play.rate) }} · {{ play.ranked ? $f.performance(play.performance) + ' performance' : 'Unranked' }}
- {{ flag.message }} {{ $f.flag(flag) }}
Note: {{ play.review_note }}