Pirc Defense: Roscher Gambit

White Gambit

Source Lichess

Playable-3%
All Ratings
Minimum Advantage-2.6%

White loses more often than wins at this level

Rating TrendPeak: +6.7% at 2500+
Win%47.1%
Games770K
Breakpoint (Overall)0-999
3.Nf3
Pirc Defense: Roscher GambitWhite Gambit
Rating
Time Control

Does Pirc Defense: Roscher Gambit work for White at All Ratings?

Snapshot

At All Ratings, Pirc Defense: Roscher Gambit gives White a -2.6% minimum advantage (90% confidence). This gambit underperforms at this level.

RatingMin AdvWhite WinDrawWhite LossGames
0-999-9.5%44.1%3.1%52.8%44K
1000-1199-5.6%46.1%2.9%51.1%85K
1200-1399-3.6%47.0%2.9%50.1%126K
1400-1599-3.7%46.8%3.1%50.1%151K
1600-1799-2.3%47.4%3.5%49.1%142K
1800-1999-1.3%47.7%3.8%48.5%113K
2000-2199-0.7%47.9%4.1%48.0%68K
2200-2499+2.7%49.4%4.8%45.8%36K
2500++6.7%51.6%5.7%42.7%5.4K
Full Opening StatsSee rating/time-control breakdowns for White on the opening stats page
Analyze Pirc Defense: Roscher Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

Is the Pirc Defense: Roscher Gambit sound?

The Pirc Defense: Roscher Gambit breaks at 0-999 overall (all time controls)—the first rating bracket where White no longer statistically wins more than loses. Below this rating, the gambit is viable for White. Note: breakpoints vary by time control—use the filters above for specific data.

What is the Pirc Defense: Roscher Gambit win rate?

The Pirc Defense: Roscher Gambit has a 47.1% (90% CI: 47.0%-47.2%) win rate for White overall, with a 3.4% draw rate and 49.5% loss rate. This is based on 770K games from Lichess.

What is the best rating to play the Pirc Defense: Roscher Gambit?

The Pirc Defense: Roscher Gambit performs best at 2500+, where White has a minimum advantage of +6.7%. This means we're 90% confident White wins at least 6.7 percentage points more than they lose at this rating.

Is the Pirc Defense: Roscher Gambit better in blitz or rapid?

Bullet (+-1.1% edge) outperforms Classical (+-16.9% edge) by 15.8 percentage points. Faster time controls typically favor gambits because opponents have less time to find accurate defenses.

Does the Pirc Defense: Roscher Gambit breakpoint vary by time control?

Yes, significantly. Breakpoints by time control: Bullet: 0-999, Blitz: 0-999, Rapid: 0-999, Classical: 0-999. "Never" means the gambit remains viable through all rating brackets in that time control. Faster time controls typically extend viability.

How sharp is the Pirc Defense: Roscher Gambit?

The Pirc Defense: Roscher Gambit is extremely sharp with only 3.4% draws—96.6% of games end decisively. This makes it an excellent choice when you need to play for a win rather than accept a draw.

Should I play the Pirc Defense: Roscher Gambit?

If you're below 0-999 overall, the Pirc Defense: Roscher Gambit is statistically favorable for White. Above that rating, opponents defend better and the gambit's edge disappears. Consider your typical opponents' level and the time control—faster games extend the gambit's viability.

How do I defend against the Pirc Defense: Roscher Gambit?

As Black, the Pirc Defense: Roscher Gambit becomes easier to defend at 0-999 and above. Key principles: accept the material but develop quickly, castle early, trade pieces to reduce attacking potential, and return material at the right moment to neutralize the initiative. In faster time controls, the gambit is harder to defend—consider declining or transposing if you're not prepared.

How reliable is the Pirc Defense: Roscher Gambit data?

This analysis is based on 770K games from Lichess. All statistics include 90% confidence intervals. Generally, 300+ games provide statistically meaningful results. Rating-specific and time-control-specific breakdowns have their own sample sizes shown in the table above.