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Ponziani OpeningJaenisch Counterattack

C44For Black

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6

A line for Black. Every figure below is computed separately for each rating band, and every one carries its own sample size.

Win rate, Black
48.0%47.3%46.4%45.8%
Band 600, n = 10,473Band 1000, n = 40,196Band 1400, n = 24,764Band 1800, n = 35,106
Blunder rate
31.8%34.7%33.3%30.7%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
BCCC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.2%0.3%0.2%0.2%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60047.9%4.1%48.0%31.8%ply 6.010,473B
100049.2%3.6%47.3%34.7%ply 6.040,196C
140050.0%3.6%46.4%33.3%ply 6.024,764C
180050.0%4.3%45.8%30.7%ply 6.035,106C

Results by band

What it actually does, band by band.

All four bands are on the page. The one matching your rating is marked. Nothing here is averaged across bands.

600Your bandB at 600Blunder rate 31.8%, band median 44.6%

At 600, the Ponziani Opening: Jaenisch Counterattack scores 48.0% for Black across 10,473 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 31.8% include an early material blunder (22 games at 600).

1000Your bandC at 1000Blunder rate 34.7%, band median 42.9%

At 1000, the Ponziani Opening: Jaenisch Counterattack scores 47.3% for Black across 40,196 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 34.7% include an early material blunder (72 games at 1000).

1400Your bandC at 1400Blunder rate 33.3%, band median 40.0%

At 1400, the Ponziani Opening: Jaenisch Counterattack scores 46.4% for Black across 24,764 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 33.3% include an early material blunder (39 games at 1400).

1800Your bandC at 1800Blunder rate 30.7%, band median 36.4%

At 1800, the Ponziani Opening: Jaenisch Counterattack scores 45.8% for Black across 35,106 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 30.7% include an early material blunder (75 games at 1800).

Questions

Common questions about this page.

At 600, the Ponziani Opening: Jaenisch Counterattack scores 48.0% for Black across 10,473 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 31.8% include an early material blunder (22 games at 600).

At 1000, the Ponziani Opening: Jaenisch Counterattack scores 47.3% for Black across 40,196 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 34.7% include an early material blunder (72 games at 1000).

The Ponziani Opening: Jaenisch Counterattack (C44) is a line for Black. The main line runs 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6.