Opening Report

Database: completo (4,011,859 games)
Report: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 (60 games)
ECO: C47a [Four Knights: Halloween Gambit]
Generated by Scid 3.6.25, 2008.09.03

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

1. Statistics and History

1.1 Statistics

                   Games     1-0     =-=     0-1    Score
-----------------------------------------------------------
 All report games     60      22       7      31    42.5%
-----------------------------------------------------------

1.2 Oldest games

1: 0-1(30) Heemskerk Jan Frederik -- Loman Rudolf J, 1890 [18]
2: 0-1(37) Frank Detlev -- Meyberg Nikolaus, 1992 [35]
3: 0-1(22) Mes -- Spoel, 1992 [33]
4: 1-0(16) Frank Detlev -- Drutjons Ernst, 1992 [25]
5: 0-1(38) Frank Detlev -- Homm Marc Michael, 1995 [27]

1.3 Newest games

1: 1-0(20) Go Benjamin 2180 -- Koes Richard 2003, 2007 [36]
2: 0-1(52) In 't Veld R 2116 -- Lacrosse M 2301, 2007 [28]
3: =-=(52) In 't Veld Rene 2116 -- Lacrosse Marc 2301, 2007 [28]
4: 1-0(32) Smirnov Alexander 2234 -- Kosolapov Petr, 2007 [23]
5: 1-0(20) Vazquez Gonzalez Jesus 2110 -- Garcia Serrano Jose M 1914, 2007 [19]

1.4 Current popularity

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

Once every X games  11994    ---     ---     ---     ---   136003   34582
Frequency in all years: once every 66864 games
In the 10 years to today: once every 37210 games (up 80% from all years)
In the 5 years to today: once every 32261 games (up 107% 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: 5 2000 80% Godden Daniel [7,13,21,22]
2: 4 1992-1996 50% Frank Detlev [1,25,27,35]
3: 3 2002-2007 67% 2381 Sigfusson Sigurdur [6,15]
4: 3 2003-2005 67% Nemeth Laszlo [5,11,32]
5: 2 2006-2007 50% 2185 Vazquez Gonzalez Jesus [19]
6: 2 2001-2005 25% 1940 Gaillard Bruno [18,37]

1.6 Most frequent players (Black)

1: 2 2000-2001 75% Ruijgrok Dennis [29]
2: 2 1998 50% Harms Friedhelm [4,16]
3: 1 2006100% 2532 Georgiev Vladimir [1]
4: 1 2002100% 2390 Tao Trevor [15]
5: 1 2007100% 2381 Bellin Robert [6]
6: 1 2001100% 2376 Ferguson Mark [37]

2. Ratings and Performance

2.1 Average ratings and performance

White rating: 2142 (18 games); White performance: 1952 (25% vs 2145)
Black rating: 2145 (18 games); Black performance: 2283 (69% vs 2142)

2.2 Games with highest average rating

1: 0-1(52) Sigfusson Sigurdur 2330 -- Bellin Robert 2381, 2007 [6]
2: 0-1(30) Navarrete Mendez Gonzalo 2146 -- Georgiev Vladimir 2532, 2006 [1]
3: 0-1(33) Goldsmith Alan 2247 -- Tao Trevor 2390, 2002 [15]
4: 1-0(17) Sigfusson Sigurdur -- Nohr Finn, 2005 [15]
5: =-=(7) Roeberg Frank 2259 -- Chandler Patrick 2289, 2002 [15]
6: 0-1(53) Vermaat M -- Tondivar Babak 2357, 2004 [34]
7: 0-1(29) Stevenson James 2151 -- Ferguson Mark 2376, 2001 [37]
8: 1-0(31) Sigfusson Sigurdur 2381 -- Schubert Hans Joach 2102, 2002 [15]

3. Result Trends

3.1 Result lengths and frequencies

                 Score      Game length             Frequency       
                          1-0    =-=    0-1    1-0     =-=     0-1  
 Report games    42.5%     27     35     32   36.6%   11.6%   51.6% 
 All games       53.9%     39     35     40   38.8%   30.2%   30.9%

3.2 Shortest wins (White)

1: 1-0(10) Owens Johnny -- Harms Friedhelm, 1998 [4]
2: 1-0(16) Frank Detlev -- Drutjons Ernst, 1992 [25]
3: 1-0(17) Sigfusson Sigurdur -- Nohr Finn, 2005 [15]
4: 1-0(17) Falcon David -- Hogan Douglas, 1999 [28]
5: 1-0(18) Godden Daniel -- Lorenti Domenico, 2000 [22]

3.3 Shortest wins (Black)

1: 0-1(7) Zedtler Uwe -- Wosch Arkadiusz J, 2002 [20]
2: 0-1(9) Angeli David 2117 -- Paine Kevin 1567, 2006 [31]
3: 0-1(12) Zedtler Uwe -- Winkler Andreas, 2002 [9]
4: 0-1(18) Andersson Paul -- McDonald Graham R, 2003 [37]
5: 0-1(19) Nemeth Laszlo -- Schmolei Michael, 2005 [5]

4. Moves and Themes

4.1 Move orders reaching the report position

There were 6 move orders reaching this position:
1: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 (47)
2: 1.e4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.Nxe5 (5)
3: 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Nxe5 (5)
4: 1.Nc3 e5 2.Nf3 Nc6 3.e4 Nf6 4.Nxe5 (1)
5: 1.e4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.Nxe5 (1)
6: 1.e4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.Nxe5 (1)

4.2 Moves from the report position

    Move   ECO       Frequency    Score  AvElo Perf AvYear %Draws
 1: Nxe5              60:100.0%   42.5%  2144  2191  2000   12%
_______________________________________________________________
TOTAL:                60:100.0%   42.5%  2144  2191  2000   12%

4.3 Positional Themes

Frequency of themes in the first 20 moves of each game:
Same-side castling: 23% White Isolated Queen Pawn: 2%
Opposite castling: 22% Black Isolated Queen Pawn: 22%
Kingside pawn storm: 28% White Pawn on 5/6/7th rank: 98%
Queens exchanged: 63% Black Pawn on 2/3/4th rank: 8%
Only one side has Bishop pair: 7% Open c/d/e file: 62%

4.4 Endgames

Material at the end of each game:
P BN R R,BN Q Q,BN Q,RQ,R,BN
Report games 0% 8% 7% 25% 0% 2% 3% 55%
All games 3% 10% 9% 25% 2% 4% 4% 43%

5. Theory Table

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5: +22 =7 -31 (25.5/60: 43%)
4567891011
1 Nxe5
Nxe5 		d4
Nc61 		e5
Ng82 		Bc43
d54 		Bxd5
Nge7 		Bg5
Qd7 		Bxe7
Bxe7 		a3
OO5 		8: 44%
2 ...
... 		...
... 		d5
Ne56 		f4
Ng67 		e5
Bb48 		exf69
Qxf6 		Qe2+
Kd8 		Qc4
Re8+10 		7: 57%
3 ...
... 		...
... 		...
... 		...
... 		...
Ng8 		d6
cxd611 		exd6
Qf612 		Nb5
Kd813 		6: 33%
4 ...
... 		...
Ng6 		e514
Qe715 		Bg516
h6 		Nd5
Qd8 		exf6
hxg5 		Qe2+
Be7 		OOO
d617 		8: 56%
5 ...
... 		...
... 		...
Ng8 		Bc418
d619 		Qf320
Qd7 		OO
dxe5 		dxe5
Bb421 		Rd1
Nxe522 		8: 56%
6 ...
... 		...
... 		...
... 		...
Bb4 		Qf3
Bxc3+23 		bxc3
Qe724 		OO25
Nh6 		Qh526
Qh427 		6: 50%
7 ...
... 		...
... 		...
... 		...
... 		...
Qe7 		OO
Bxc3 		bxc3
Nh6 		g428
OO29 		5: 40%
8 ...
... 		...
... 		...
... 		...
d5 		Bxd5
c630 		Bb331
Be6 		OO32
Qd733 		Ne4
OOO34 		7: 14%
9 ...
... 		...
... 		...
... 		...
... 		...
... 		...
Bb4 		OO35
Bxc336 		bxc3
N8e737 		5: 20%
  1. 5...d6 6.dxe5 dxe5 7.Bd3 Bc5 8.Bg5 c6 9.Qe2 h6 10.Bh4 Qe7 11.OOO Bd4 12.Nb1 b5 0-1(30) Navarrete Mendez Gonzalo 2146 -- Georgiev Vladimir 2532, 2006.
    5...Bb4 6.dxe5 Nxe4 7.Qd4 Bxc3+ 8.bxc3 f5 9.Bd3 Qe7 10.OO d6 11.exd6 Nxd6 12.Ba3 OO 1-0(23) Frank Detlev -- Remstedt Matthias, 1996.
    5...Neg4 6.f3 Nh6 7.e5 Nh5 8.Bc4 Qh4+ 9.Kf1 Bb4 10.f4 Bxc3 11.bxc3 OO 12.Ba3 Re8 1-0(30) Morrissey Kate -- Odhavji Vishal, 2004.

  2. 6...Nd5 7.Nxd5 d6 8.Bf4 Bf5 9.Bd3 Bxd3 10.Qxd3 dxe5 11.Bxe5 Qxd5 12.OOO Nb4 0-1(31) Morrissey Kate -- Selvanderan Kendra, 2004.

  3. 7.d5 Nxe5 8.Qe2 Qe7 9.Bf4 d6 10.OOO a6 11.Qe4 Ng6 12.Qxe7+ Bxe7 0-1(25) Daniel Silas -- Newton Hobart E, 2001.

  4. 7...Bb4 8.OO Bxc3 9.bxc3 d5 10.exd6 Qxd6 11.Re1+ Nge7 12.Qf3 OO =-=(18) Pettigrew William -- Smith Brian, 2002.
    7...d6 8.Qh5 g6 9.Qf3 Qe7 10.Bb5 1-0 Owens Johnny -- Harms Friedhelm, 1998.

  5. 12.Qd3 Rd8 0-1(19) Nemeth Laszlo -- Schmolei Michael, 2005.

  6. 6...Bb4 7.dxc6 Nxe4 8.Qd4 Qe7 9.Be3 f5 10.cxd7+ Bxd7 11.Be2 Bc5 12.Bh5+ Kd8 0-1(52) Sigfusson Sigurdur 2330 -- Bellin Robert 2381, 2007.
    6...Nb8 7.e5 Qe7 8.Qe2 Ng8 9.d6 cxd6 10.Nd5 Qxe5 11.Nc7+ Kd8 12.Nxa8 Nc6 =-=(21) Van der Meer Jeroem -- Printzlau Jacob, 2005.

  7. 7...Neg4 8.e5 Bc5 9.exf6 Nf2 10.fxg7 Qe7+ 11.Qe2 Rg8 12.Nb5 Kd8 1-0(28) Godden Daniel -- Howard Will, 2000.

  8. 8...Qe7 9.Be2 Ng8 10.OO Qc5+ 11.Kh1 d6 12.exd6 Bxd6 1-0(70) Kristoffersen Arne Skodvin -- Hansen Hakon E, 2003.
    8...Ne4 9.Nxe4 Bb4+ 10.c3 Ba5 11.d6 cxd6 12.Nxd6+ Kf8 1-0(31) Roosink T -- Bergkamp Michael, 2004.

  9. 9.Qd4 Bxc3+ 10.bxc3 Nh5 11.f5 Qh4+ 12.g3 0-1 Zedtler Uwe -- Winkler Andreas, 2002.

  10. 12.Be2 Bxc3+ =-=(44) Lefranc Benoit 2143 -- Guillet Richard 2126, 2001.

  11. 9...c6 10.g3 h5 11.h4 b5 12.Qd4 Bb7 1-0(23) Nemeth Laszlo -- Brunner Hermann, 2005.

  12. 10...Qb6 11.Qe2+ Kd8 12.f5 Bxd6 0-1(33) Passmoor Lee -- Arnold Lee, 1999.

  13. 12.Be3 Nxf4 1-0(24) Harms Friedhelm -- Moeckel Jean L, 1998; 12...Nh6 0-1(25) Godden Daniel -- Petters Paul, 2000.
    12.Bd2 Nxf4 0-1(20) Capelle Axel -- De Ruiter Danny, 2003.
    12.g3 a6 0-1(24) Breshears Clay -- Geib Steven, 1998.

  14. 6.Bd3 d6 7.OO Be7 8.Nd5 Be6 9.Nxe7 Qxe7 10.d5 Bd7 11.Re1 OO 12.Be3 Ne5 0-1(33) Embrechts Wim -- Legarda Iturrioz Jose Javier, 2002.

  15. 6...Bb4 7.exf6 Qxf6 8.Qe2+ Qe7 9.Be3 d5 10.h4 Nxh4 11.g4 Bxc3+ 12.bxc3 g5 0-1(33) Goldsmith Alan 2247 -- Tao Trevor 2390, 2002; 8.Qd3 OO 9.Be3 d5 10.OOO c6 11.Kb1 a5 12.Qd2 Re8 1-0(17) Sigfusson Sigurdur -- Nohr Finn, 2005; 8.Be3 d5 9.Qd3 c6 10.OOO OO 11.Kb1 Bg4 12.f3 Bf5 1-0(31) Sigfusson Sigurdur 2381 -- Schubert Hans Joach 2102, 2002.
    6...d6 7.exf6 =-= Roeberg Frank 2259 -- Chandler Patrick 2289, 2002.

  16. 7.f4 d6 8.Be2 dxe5 9.fxe5 Nd7 10.OO Nb6 11.a4 Qd8 12.Ne4 Be7 1-0(32) Barnabe Wagner -- Fernandes Milton C, 2000.
    7.Bc4 d6 8.Qf3 dxe5 9.Bb5+ Kd8 10.Nd5 Nxd5 11.Qxd5+ Qd6 12.Qxd6+ Bxd6 0-1(24) Moeckel Jean L -- Harms Friedhelm, 1998.

  17. 12.Re1 Be6 1-0(19) Mustafina Dinara -- Damia Angelo, 2005.

  18. 7.f4 Bb4 8.Bd3 d5 9.OO c6 10.f5 Qh4 11.Ne2 Nh6 12.fxg6 hxg6 =-=(70) Gaillard Bruno -- Lhost Geoffrey, 2005; 7...d5 8.Qf3 Bb4 9.g3 Bf5 10.Kd1 Bxc3 11.bxc3 Be4 12.Qg4 h5 0-1(30) Heemskerk Jan Frederik -- Loman Rudolf J, 1890.

  19. 7...c6 8.Qf3 d5 9.exd6 Be6 10.d5 Ne5 11.Qe2 Nxc4 12.dxe6 Nxd6 0-1(29) Vazquez Gonzalez Jesus 2185 -- Lopez De Turiso Jose Angel 2159, 2006.
    7...b5 8.Nxb5 Bb7 9.OO a6 10.Nc3 Bb4 11.f4 Bxc3 12.bxc3 Qh4 1-0(20) Vazquez Gonzalez Jesus 2110 -- Garcia Serrano Jose M 1914, 2007.

  20. 0-1 Zedtler Uwe -- Wosch Arkadiusz J, 2002.

  21. 10...Nxe5 11.Re1 Bd6 12.Bf4 f6 1-0(37) Godden Daniel -- Mills Mark, 2000.

  22. 12.Qg3 Qf5 1-0(18) Godden Daniel -- Lorenti Domenico, 2000; 1-0(18) Godden Daniel -- Domenico Lorenti, 2000.

  23. 8...f6 9.OO Bxc3 10.bxc3 d6 11.Re1 Kf8 12.Qd5 Qe8 1-0(32) Smirnov Alexander 2234 -- Kosolapov Petr, 2007; 9.Qd5 Qe7 10.Bd2 c6 11.Qf3 Bxc3 12.Qxc3 d5 0-1(48) Griggs James -- Szuveges Narelle 1901, 2003.

  24. 9...f6 10.OO d5 11.exd6 Qxd6 12.Re1+ N8e7 1-0(57) De Mooy Marco -- Kahn Evarth, 2003.

  25. 10.Bd2 d6 11.OO dxe5 12.Bb5+ Kd8 1-0(16) Frank Detlev -- Drutjons Ernst, 1992.

  26. 11.g3 OO 12.Qh5 d5 0-1(42) Passmoor Lee -- Bunyan Henry, 1999.

  27. 12.Qf3 OO 0-1(38) Frank Detlev -- Homm Marc Michael, 1995.

  28. 11.a4 OO 12.g3 d6 0-1(52) In 't Veld R 2116 -- Lacrosse M 2301, 2007; =-=(52) In 't Veld Rene 2116 -- Lacrosse Marc 2301, 2007.
    11.Qd3 OO 12.Bxh6 gxh6 1-0(17) Falcon David -- Hogan Douglas, 1999.

  29. 12.g5 Nh4 0-1(21) Gerritse Youri -- Ruijgrok Dennis, 2001.
    11...Nh4 12.Qg3 b6 =-=(39) Karta Milton -- Ruijgrok Dennis, 2000.

  30. 8...N8e7 9.Bb3 Nc6 10.Qf3 Qd7 11.Be3 Bb4 12.OOO Bxc3 0-1(52) Hoynck van Papendrecht F 2098 -- Van Weersel A 2155, 2006; 0-1(52) Van Papendrecht F Hoynck 2098 -- Van Weersel Arlette 2155, 2006; 9...Nf5 10.Ne2 c5 11.c3 cxd4 12.Nxd4 Bc5 0-1(50) Uzdin Sergey 1700 -- Schellen Anton 1600, 2006.

  31. 9.Be4 N8e7 0-1 Angeli David 2117 -- Paine Kevin 1567, 2006.

  32. 10.Bxe6 fxe6 11.Qg4 Qd7 12.Bd2 Bb4 1-0(38) Nemeth Laszlo -- Corallo John, 2003.

  33. 10...Bxb3 11.axb3 Qd7 12.Ne4 a6 0-1(22) Mes -- Spoel, 1992.

  34. 12.Be3 Kb8 0-1(53) Vermaat M -- Tondivar Babak 2357, 2004.

  35. 10.Qf3 Be6 11.Bd2 Bxc3 12.bxc3 N8e7 0-1(37) Frank Detlev -- Meyberg Nikolaus, 1992.

  36. 10...N8e7 11.Ne4 Nf5 12.c3 Be7 1-0(20) Go Benjamin 2180 -- Koes Richard 2003, 2007.

  37. 12.f4 h5 0-1(18) Andersson Paul -- McDonald Graham R, 2003; 0-1(29) Stevenson James 2151 -- Ferguson Mark 2376, 2001.
    11...Be6 12.f4 Qd7 0-1(60) Gaillard Bruno 1940 -- Vandervorst Jean Marc, 2001.