Opening Report

Database: 7luglio2009 (4,265,469 games)
Report: 1.c4 e6 2.d4 b6 3.Nc3 Bb7 4.e4 f5 (5 games)
ECO: A40g [Queen's Pawn: English Defence, Hartlaub Gambit]
Generated by Scid 3.7, 2009.08.10

BR BN BQ BK BB BN BR
BP BB BP BP :: BP BP
BP :: BP :: ::
:: :: :: BP ::
:: WP WP WP :: ::
:: WN :: ::
WP WP :: WP WP WP
WR WB WQ WK WB WN WR

1. Statistics and History

1.1 Statistics

                   Games     1-0     =-=     0-1    Score
-----------------------------------------------------------
 All report games      5       5       0       0   100.0%
-----------------------------------------------------------

1.2 Oldest games

1: 1-0(66) Aldrich Jeff -- Brattin Brian, 1991 [1]
2: 1-0(28) Sapi Laszlo -- Jamrich Gyorgy, 1996 [5]
3: 1-0(44) Jaeger Erich [Neustadt -- Druck Klaus, 1999 [4]
4: 1-0(55) Djukic Sa 2137 -- Randjelovic D1 2076, 2006 [3]
5: 1-0(20) Mchedlishvili M 2583 -- Sabahi Cem, 2006 [2]

1.3 Newest games

1: 1-0(55) Djukic Sa 2137 -- Randjelovic D1 2076, 2006 [3]
2: 1-0(20) Mchedlishvili M 2583 -- Sabahi Cem, 2006 [2]
3: 1-0(44) Jaeger Erich [Neustadt -- Druck Klaus, 1999 [4]
4: 1-0(28) Sapi Laszlo -- Jamrich Gyorgy, 1996 [5]
5: 1-0(66) Aldrich Jeff -- Brattin Brian, 1991 [1]

1.4 Current popularity

Year               1800-99 1900-49 1950-69 1970-79 1980-89 1990-99 2000-09

Once every X games   ---     ---     ---     ---     ---   542691  945039
Frequency in all years: once every 853093 games
In the 10 years to today: once every 945039 games (down 9% from all years)
In the 5 years to today: once every 384693 games (up 122% from all years)
In the 1 year to today: once every 0 games (no change from all years)

1.5 Most frequent players (White)

1: 1 2006100% 2583 Mchedlishvili M [2]
2: 1 2006100% 2137 Djukic Sa [3]
3: 1 1996100% Sapi Laszlo [5]
4: 1 1991100% Aldrich Jeff [1]
5: 1 1999100% Jaeger Erich [Neustadt [4]

1.6 Most frequent players (Black)

1: 1 2006 0% 2076 Randjelovic D1 [3]
2: 1 1991 0% Brattin Brian [1]
3: 1 1996 0% Jamrich Gyorgy [5]
4: 1 1999 0% Druck Klaus [4]
5: 1 2006 0% Sabahi Cem [2]

2. Ratings and Performance

2.1 Average ratings and performance

White rating: 2360 (2 games); White performance: 3075 (100% vs 2076)
Black rating: 2076 (1 games); Black performance: 1361 (0% vs 2360)

2.2 Games with highest average rating

1: 1-0(55) Djukic Sa 2137 -- Randjelovic D1 2076, 2006 [3]
2: 1-0(20) Mchedlishvili M 2583 -- Sabahi Cem, 2006 [2]
3: 1-0(28) Sapi Laszlo -- Jamrich Gyorgy, 1996 [5]
4: 1-0(44) Jaeger Erich [Neustadt -- Druck Klaus, 1999 [4]
5: 1-0(66) Aldrich Jeff -- Brattin Brian, 1991 [1]

3. Result Trends

3.1 Result lengths and frequencies

                 Score      Game length             Frequency       
                          1-0    =-=    0-1    1-0     =-=     0-1  
 Report games   100.0%     42      0      0  100.0%    0.0%    0.0% 
 All games       53.9%     39     35     40   38.7%   30.3%   30.8%

3.2 Shortest wins (White)

1: 1-0(20) Mchedlishvili M 2583 -- Sabahi Cem, 2006 [2]
2: 1-0(28) Sapi Laszlo -- Jamrich Gyorgy, 1996 [5]
3: 1-0(44) Jaeger Erich [Neustadt -- Druck Klaus, 1999 [4]
4: 1-0(55) Djukic Sa 2137 -- Randjelovic D1 2076, 2006 [3]
5: 1-0(66) Aldrich Jeff -- Brattin Brian, 1991 [1]

3.3 Shortest wins (Black)

4. Moves and Themes

4.1 Move orders reaching the report position

There were 4 move orders reaching this position:
1: 1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 f5 (2)
2: 1.c4 b6 2.e4 e6 3.Nc3 Bb7 4.d4 f5 (1)
3: 1.d4 b6 2.c4 e6 3.Nc3 Bb7 4.e4 f5 (1)
4: 1.e4 e6 2.d4 b6 3.c4 Bb7 4.Nc3 f5 (1)

4.2 Moves from the report position

    Move   ECO       Frequency    Score  AvElo Perf AvYear %Draws
 1: exf5               4: 80.0%  100.0%              2002    0%
 2: Bd3                1: 20.0%  100.0%              1991    0%
_______________________________________________________________
TOTAL:                 5:100.0%  100.0%              2000    0%

4.3 Positional Themes

Frequency of themes in the first 20 moves of each game:
Same-side castling: 40% White Isolated Queen Pawn: 0%
Opposite castling: 0% Black Isolated Queen Pawn: 0%
Kingside pawn storm: 40% White Pawn on 5/6/7th rank: 80%
Queens exchanged: 40% Black Pawn on 2/3/4th rank: 20%
Only one side has Bishop pair: 0% Open c/d/e file: 80%

4.4 Endgames

Material at the end of each game:
P BN R R,BN Q Q,BN Q,RQ,R,BN
Report games 20% 0% 20% 40% 0% 0% 0% 20%
All games 3% 10% 9% 25% 2% 4% 4% 43%

5. Theory Table

1.c4 e6 2.d4 b6 3.Nc3 Bb7 4.e4 f5: +5 =0 -0 (5/5: 100%)
56789101112
1 Bd3
Nf6 		Bg5
Bb4 		f3
fxe4 		fxe4
OO 		Nf3
Qe8 		Qe2
d5 		e5
Ne4 		Rc1
Rxf31 		1: 100%
2 exf5
exf5 		d5
Bc5 		Bd3
Ne7 		Qh5+
g6 		Qh4
OO 		Nf3
Rf7 		OO
d6 		Ng5
Nc82 		1: 100%
3 ...
... 		Nf3
Bb4 		Bd3
Qe7+ 		Qe2
Qxe2+ 		Kxe2
Bxf3+ 		Kxf3
Nc6 		Ne2
OOO 		a3
Be73 		1: 100%
4 ...
... 		...
Nf6 		Be2
Ne4 		Qc2
Bb4 		OO
Bxc3 		bxc3
OO 		a4
a5 		Rb1
Ba64 		1: 100%
5 ...
... 		...
... 		Bd3
Qe7+ 		Qe2
Qxe2+ 		Kxe2
g6 		Re1
Kf7 		Kf1
Nc6 		Bf4
d65 		1: 100%
  1. 13.Bxe4 Rf8 1-0(66) Aldrich Jeff -- Brattin Brian, 1991.

  2. 13.Qh6 Re7 1-0(20) Mchedlishvili M 2583 -- Sabahi Cem, 2006.

  3. 13.b4 Bf6 1-0(55) Djukic Sa 2137 -- Randjelovic D1 2076, 2006.

  4. 13.Bd3 d5 1-0(44) Jaeger Erich [Neustadt -- Druck Klaus, 1999.

  5. 13.Ng5+ Kg8 1-0(28) Sapi Laszlo -- Jamrich Gyorgy, 1996.