Database: 31-XII-2010 (4,399,153 games) Report: 1.g3 e5 2.Bg2 d5 3.b4 (23 games) ECO: A00v [Benko Opening] Generated by Scid 4.2.2, 2011.02.15 Dada Gambit rmblkans opo0zpop 0Z0Z0Z0Z Z0Zpo0Z0 0O0Z0Z0Z Z0Z0Z0O0 PZPOPOBO SNAQJ0MR 0.1 Statistics and History 0.1.1 Statistics Games 1:0 1 2 : 1 2 0:1 Score All report games 23 6 8 9 43.4% 0.1.2 Oldest games 1: 0:1(23) Larsen Olafsson, Beverwijk 1959 5 2: 0:1(11) Robin Forman Shipman, 1977 12 3: 0:1(11) Forman Shevelev, 1977 12 4: 1:0(21) Schirmer Hess Adolf, 1986 6 5: 0:1(37) Lorinczi Retek Spassky, 1988 2 6: 0:1(37) Lotzien Speer, 1988 2 7: 0:1(16) Resoy Tore Brondbo Ivar, 1991 15 8: 0:1(16) Resy Tore Brndbo Ivar, 1991 15 0.1.3 Newest games 1: 1:0(16) Cupina Ibrahim Ludwig, 2005 8 2: 1 : 1 11 (46) Zayadeh Resa Tobias, 2002 3: 0:1(13) Groth Detlef Coyne David, 2001 9 4: 1 : 1 3 (29) Kermeen Robert Engelen, 2000 5: 1 : 1 13 (44) Groth Detlef Frost Lionel B, 1999 6: 1:0(37) Zayadeh 1206 Eisenhauer Erik 1062, 1999 5 7: 1:0(28) Bussemer Karsten Bemstaedt Rainer, 1999 5 8: 1 : 1 3 (34) Villwock 2138 Mueller Sandy, 1999
0.1.4 Current popularity Year 1800-99 1900-49 1950-69 1970-79 1980-89 1990-99 2000-09 Once every X games 159448 81785 118961 122667 480982 Frequency in all years: once every 191267 games In the 10 years to today: once every 784576 games (down 75% from all years) In the 5 years to today: once every 0 games (no change from all years) In the 1 year to today: once every 0 games (no change from all years) 0.1.5 Most frequent players (White) 1: 3 1991 50% Resoy Tore 3,13,15 2: 2 1999 2002 75% 1206 Zayadeh, Raphael 5,11 3: 2 1999 2001 25% Groth Detlef 9,13 4: 2 1991 0% Resy Tore 10,15 5: 1 1999 50% 2138 Villwock, Martin 3 6: 1 1959 0% Larsen, Bent 5 0.1.6 Most frequent players (Black) 1: 1 1999 0% 1062 Eisenhauer Erik 5 2: 1 1988 100% Spassky, Boris V 2 3: 1 1959 100% Olafsson, Fridrik 5 4: 1 1991 0% Neukirch, Detlef 7 5: 1 1988 100% Speer, Albrecht 2 6: 1 1977 100% Shevelev 12 0.2 Ratings and Performance 0.2.1 Average ratings and performance White rating: 1672 (2 games); White performance: 2061 (100% vs 1062) Black rating: 1062 (1 games); Black performance: 1479 (25% vs 1672) 0.2.2 Games with highest average rating 1: 0:1(23) Larsen Olafsson, Beverwijk 1959 5 2: 1 : 1 4 (30) Slipak Sorokin, 1993 3: 0:1(37) Lotzien Speer, 1988 2 4: 0:1(37) Lorinczi Retek Spassky, 1988 2 5: 1 : 1 1 (34) Barillaro Vincenzi, 1993 6: 1:0(81) Resoy Tore Forsberg, 1991 13 7: 1:0(32) De Wit Harm Neukirch, 1991 7 8: 1 : 1 11 (46) Zayadeh Resa Tobias, 2002
0.3 Result Trends 0.3.1 Result lengths and frequencies Score Game length Frequency 1 1:0 : 1 1 0:1 1:0 : 1 0:1 Report games 43.4% 35 31 26.0% 34.7% 39.1% All games 53.9% 39 35 40 38.6% 30.5% 30.7% 0.3.2 Shortest wins (White) 1: 1:0(16) Cupina Ibrahim Ludwig, 2005 8 2: 1:0(21) Schirmer Hess Adolf, 1986 6 3: 1:0(28) Bussemer Karsten Bemstaedt Rainer, 1999 5 4: 1:0(32) De Wit Harm Neukirch, 1991 7 5: 1:0(37) Zayadeh 1206 Eisenhauer Erik 1062, 1999 5 0.3.3 Shortest wins (Black) 1: 0:1(11) Robin Forman Shipman, 1977 12 2: 0:1(11) Forman Shevelev, 1977 12 3: 0:1(13) Groth Detlef Coyne David, 2001 9 4: 0:1(16) Resoy Tore Brondbo Ivar, 1991 15 5: 0:1(16) Resy Tore Brndbo Ivar, 1991 15 0.4 Moves and Themes 0.4.1 Move orders reaching the report position There were 4 move orders reaching this position: 1: 1.g3 e5 2.Bg2 d5 3.b4 (13) 2: 1.g3 d5 2.Bg2 e5 3.b4 (5) 3: 1.b4 d5 2.g3 e5 3.Bg2 (3) 4: 1.g3 d5 2.b4 e5 3.Bg2 (2) 0.4.2 Moves from the report position Move ECO Frequency Score µelo Perf µyear % Draws 1 Bxb4 16: 69.5% 46.8% 1991 19% 2 Nf6 4: 17.3% 50.0% 1996 100% 3 c6 2: 8.6% 0.0% 1988 0% 4 Nc6 1: 4.3% 50.0% 1993 100% Total 23:100.0% 43.4% 1992 35% 0.4.3 Positional Themes Frequency of themes in the first 20 moves of each game:
Same-side castling: 70% White Isolated Queen Pawn: 9% Opposite castling: 0% Black Isolated Queen Pawn: 0% Kingside pawn storm: 9% White Pawn on 5/6/7th rank: 57% Queens exchanged: 26% Black Pawn on 2/3/4th rank: 39% Only one side has Bishop pair: 0% Open c/d/e file: 39% 0.4.4 Endgames Material at the end of each game: p BN R R BN Q Q BN QR QR BN Report games 0% 0% 4% 22% 4% 0% 4% 65% All games 3% 9% 9% 25% 2% 4% 4% 43%
0.5 Theory Table 1.g3 e5 2.Bg2 d5 3.b4: +6 =8 9 (10/23: 43%) 3 4 5 6 7 8 9 10 1 b4 Bb2 a3 Nf3 OO c3 d3 Nbd2 3: 17% c6 1 f6 Bd6 Ne7 a5 Be6 OO Nd7 2 2... Bb2 c4 3 Qb3 Qxc4 Qc2 Nf3 OO 4: 50% Nf6 Bd6 c6 dxc4 Be6 Nbd7 OO Qe7 4 3... c4 Qb3 cxd5 Nc3 dxc6 Nf3 OO 5: 80% Bxb4 Nf6 5 Be7 6 c6 OO Nxc6 Rb8 Be6 7 4......... Bb2 8 Bxe5 Qb2 9 Qxe5 Qb2 3: 33%...... Nc6 Be6 OO Nxe5 dxc4 Bd5 10 5...... Qb3 cxd5 Qd3 e3 fxe3 Ke2 3: 17%... Ne7 Nbc6 11 Nd4 Nxd5 Nxe3 Nf3+ Nxg1+ 12 6...... cxd5 Qb3 a3 Qxb7 Bxd5 Qc6 3: 67%...... Nxd5 13 Be6 Bc5 Nd7 Rb8 Rb6 14 7.................. Bb2 Qc6 2: 0%............... Nb6 N8d7 OO 15 1 3...Nc6 4.b5 Nd4 5.Bb2 Nxb5 6.Bxe5 Nf6 7.Nf3 Bd6 8.OO OO 9.Bb2 c6 10.d3 Re8 11.Nbd2 Bg4 12.a4 Nc7 13.Re1 Nd7 14.Rb1 Nc5 15.c4 Qd7 16.d4 N5a6 17.c5 Bf8 18.Ne5 Rxe5 19.dxe5 Ne6 20.Nb3 Naxc5 1 2 : 1 2 (34) Barillaro Vincenzi, 1993. 2 11.Nb3 a4 12.Nbd2 Qe8 13.c4 Qh5 14.Rc1 Bg4 15.Re1 Rfd8 16.Qc2 Nf8 17.c5 Bc7 18.Nb1 d4 19.Nbd2 Nd5 20.Nc4 Ne6 0:1(37) Lorinczi Retek Spassky, 1988; 0:1(37) Lotzien Speer, 1988. 3 5.a3 a5 6.b5 a4 7.d3 Nbd7 8.Nd2 c5 9.c4 d4 10.Ngf3 OO 11.OO Nb6 12.Ng5 h6 13.Nge4 Nxe4 14.Nxe4 f5 15.Nxd6 Qxd6 16.Qc2 f4 17.Rad1 Rb8 18.Bc1 Qg6 19.Kh1 Qh5 20.gxf4 exf4 1 : 1 (34) Villwock 2138 Mueller Sandy, 1999. 5.b5 OO 6.c4 d4 7.d3 a6 8.Nd2 Nbd7 9.Nh3 Rb8 10.Ng5 c5 11.OO Be7 12.Nge4 Nxe4 13.Bxe4 f5 14.Bd5+ Kh8 15.e3 f4 16.exd4 exd4 17.Qe2 Nf6 18.Bf3 Bd6 19.Ne4 Bh3 20.Rfe1 Nxe4 1 : 1 (29) Kermeen Robert Engelen, 2000. 5.e3 OO 6.Ne2 Re8 7.a3 c6 8.OO a5 9.c3 axb4 10.cxb4 Bf5 11.d4 Nbd7 12.Nbc3 Nb6 13.dxe5 Bxe5 14.Nd4 Bg6 15.Nf3 Bd6 16.Nd2 Be5 17.Nf3 Bc7 18.Nd2 Bf5 19.Qb3 Be5 1 : 1 Resoy Tore Larsen Bjorn, 1991. 4 11.d3 Nd5 12.a3 a5 13.bxa5 Rxa5 14.Nbd2 N5b6 15.Bc3 Rxa3 16.Rxa3 Bxa3 17.Nxe5 Nxe5 18.Bxe5 Bd5 19.Bd4 Bxg0.Kxg2 Nd5 1 : 1 (30) Slipak Sorokin, 1993. 5 4...Be6 5.Bb2 Nc6 6.f4 Nge7 7.Nf3 d4 8.Nxe5 Nxe5 9.fxe5 OO 10.Qc2 Ng6 11.Bxb7 Rb8 12.Be4 f5 13.Bd3 Nxe5 14.OO Bc5 15.Ba3 Qd6 16.Bxc5 Qxc5 17.Qc1 f4 18.gxf4 Nxd3 19.exd3 Bh3 20.Rf3 Qh5 0:1(23) Larsen Olafsson, Beverwijk 1959; 5.Qb3 Qd6 6.a3 dxc4 7.Qxb4 Qxb4 8.axb4 c6 9.Bb2 Nd7 10.Nf3 f6 11.Na3 Ne7 12.Rc1 b5 13.e4 a5 14.Bc3 a4 15.OO OO 16.Rfd1 Rfd8 17.d3 cxd3 18.Rxd3 Ra7 19.Bd2 Rc8 20.Rdc3 Nb6 1:0(37) Zayadeh 1206 Eisenhauer Erik 1062, 1999. 4...c6 5.Qb3 Bc5 6.cxd5 Qd6 7.Ba3 Ne7 8.dxc6 Nbxc6 9.Bxc5 Qxc5 10.Nc3 Qb4 11.Qxb4 Nxb4 12.Rb1 Nbc6 13.Nf3 OO 14.OO b6 15.Nxe5 Bb7 16.d4 Rfd8 17.Rfd1 Rac8 18.Nb5 Ba6 19.Nxc6 Nxc6 20.d5 Ne5 1:0(28) Bussemer Karsten Bemstaedt Rainer, 1999. 6 5...Bd6 6.cxd5 OO 7.Bb2 c5 8.Na3 a6 9.Nc4 b5 10.Nxe5 c4 11.Qc2 Bb7 12.e4 Re8 13.Ngf3 Nbd7 14.Nxd7 Nxd7 15.OO Ne5 16.Nxe5 Bxe5 17.Bxe5 Rxe5 18.d4 cxd3 19.Qxd3 Rc8 20.Rfd1 Qd6 1:0(21) Schirmer Hess Adolf, 1986. 7 11.Qa4 Nd5 12.Bb2 Nb6 13.Qc2 f5 14.d3 f4 15.Ne4 fxg3 16.hxg3 Nd4 17.Qd2 Rc8 18.Rac1 Nxf3+ 19.Bxf3 Bxa0.Qa5 Rxc1 1:0(32) De Wit Harm Neukirch, 1991.
8 6.cxd5 Nd4 7.Qa4+ b5 8.Qd1 Nxd5 9.e3 Nc6 10.Nc3 Bxc3 11.dxc3 Be6 12.a4 bxa4 13.Qxa4 Qd7 14.Ba3 Nxc3 15.Qxc6 Rb8 16.Qxc3 1:0 Cupina Ibrahim Ludwig, 2005. 9 8.Bc3 dxc4 9.Qb2 Bxc3 10.Nxc3 Qd6 11.Nf3 Rab8 12.OO Rfd8 13.Rfd1 b5 0:1 Groth Detlef Coyne David, 2001. 10 11.Nf3 c5 12.a3 Ba5 13.Nc3 Re8 14.OO Bc6 15.Qa2 b5 16.Qc2 Qe7 17.Rfe1 Rad8 18.Rad1 b4 19.Nb1 Bd5 20.Qa4 Bb6 0:1(34) Resy Tore Saga Kristian, 1991. 11 5...Bd6 6.cxd5 OO 7.Na3 c6 8.dxc6 Nbxc6 9.e3 Be6 10.Qb1 a6 11.Ne2 f5 12.Nc2 f4 13.exf4 exf4 14.Nxf4 Bxf4 15.gxf4 Qd6 16.d4 Rae8 17.OO Bd5 18.Ba3 Qd7 19.Bxd5+ Qxd5 20.Ne3 Qh5 1 : 1 (46) Zayadeh Resa Tobias, 2002. 12 11.Rxg1 Bg4+ 0:1 Robin Forman Shipman, 1977; 0:1 Forman Shevelev, 1977. 13 5...OO 6.Qb3 Bd6 7.Bb2 Nd7 8.d4 exd4 9.Bxd4 Nf5 10.Bc3 Qe7 11.Nd2 Nc5 12.Qc4 b5 13.Qxb5 Ba6 14.Qa5 Rab8 15.Kf1 Rfe8 16.Bf3 Rb5 17.Qa3 Reb8 18.Re1 R5b6 19.Qc1 Na4 20.Ba1 Nb2 1:0(81) Resoy Tore Forsberg, 1991; 6...Na6 7.a3 Bd6 8.Nc3 Nc5 9.Qc2 c6 10.dxc6 Nxc6 11.Nf3 Bg4 12.OO Bxf3 13.exf3 Nd4 14.Qa2 Qf6 15.Ne4 Nxe4 16.fxe4 Rac8 17.Bb2 Rc2 18.Qb1 Ne2+ 19.Kh1 Rxd0.Rd1 Qh6 1 2 : 1 2 (44) Groth Detlef Frost Lionel B, 1999. 14 11.Qa8 Rb8 12.Qc6 Rb6 13.Qa8 1 2 : 1 2 Ganesan Arasu Gross Wilhelm, 1995. 15 11.a4 Rb8 12.Ba3 Bd4 13.Nc3 Re8 14.e3 Nc4 15.Nge2 Bxc3 16.Nxc3 Nf6 0:1 Resoy Tore Brondbo Ivar, 1991; 0:1 Resy Tore Brndbo Ivar, 1991.