Section Ia1: 5...Ba5 6.d4 exd4 7.Qb3 Qf6 lines
[-0.15] d=28 5...Ba5 6.d4 exd4 7.Qb3 Qf6 8.0-0 Nge7* 9.cxd4 Bb6 10.e5 Qf5 11.Bd3**
*(a) [+0.00] d=31 8...Bb6 9.e5 Qg6*** 10.cxd4 Na5 11.Qc3 Nxc4 12.Qxc4 Qc6 13.Qe2 Ne7 14.Ba3 d6 15.exd6 cxd6 16.d5 Qd7 17.Re1 Bd8 18.Nc3 0-0 19.Rac1 Ng6 20.Qc4 Ba5
(b) [+0.00] d=27 8...Nge7 9.cxd4 Bb6 10.e5 Qf5 11.Ba3** Na5 12.Qa4 Nxc4 13.Qxc4 d6 14.exd6 Be6 15.Qa4+ Nc6 16.Nc3 O–O 17.dxc7 Rfc8 18.Rfd1 Bd7 19.Qb5 Rxc7 20.Qxf5 Bxf5 21.Rac1 Bg4 22.d5 Bxf3 23.gxf3 Nd4
(c) [+0.22] d=29 [8...d6] 9.cxd4 Bb6 10.Bb5 Kf8 (10...Bd7 11.Bg5) 11.Bxc6 bxc6 12.Re1 Be6 13.Qd3 Qd8 14.Nc3 Ne7 15.a4 Ba5
(d) [+0.14] d=30 [8...dxc3] 9.Bg5 Qg6 10.Nxc3 Bxc3 11.Qxc3 Nf6 12.e5 Ne4 13.Qe3 0-0 14.Bf4 d6 15.Bd5 dxe5 16.Nxe5 Nxe5 17.Bxe4 Ng4 18.Qd3 f5 19.Bd5+ Be6 20.Bxb7 Rad8 21.Qa3 Nf6 22.Rac1 Rd7 23.Rfd1 Rxd1+ 24.Rxd1
(e) [+0.17] d=31 [8...d3] 9.e5 Qg6 10.Rd1 Nge7 11.Bxd3 Qe6 12.Bc4 Qf5 13.Na3 a6 14.Nd4 Nxd4 15.cxd4 b5 16.Bxe7 bxc4
**[-0.02] d=25 11.Ba3 Na5 12.Qb5 Nxc4 13.Qxc4 d5 14.exd6 Be6 15.Qa4+ Nc6 16.Nc3 0-0 17.dxc7 Rfc8 18.Rfd1 Bd7 19.Qb5 Bxc7 20.Qxf5 Bxf5 21.Nb5 Na5 22.Rac1 Bf4 23.Rxc8+ Bxc8 24.Ne5 Bf5 25.g3 Bxe5
***[+0.00] d=31 9...Qg6 10.cxd4 Na5 11.Qc3 Nxc4 12.Qxc4 Ne7$ 13.Ba3 Qc6 14.Qe2 d5 15.exd6 cxd6 16.d5 Qd7 17.Re1 Bd8
$[+0.00] d=30 12...Ne7 13.Ba3 Qc6 14.Qe2 d5 15.exd6 cxd6 16.d5 Qd7 17.Re1 Bd8 18.Nc3 0-0
Section Ia2: 5...Ba5 6.d4 exd4 7.Qb3 [other] lines
(a) [-0.01] d=26 7...Qe7 8.0-0 Bb6 9.cxd4 Nxd4 10.Nxd4 Bxd4 11.Nc3 Nf6 12.Ba3 d6 13.Rad1 Bxc3 14.Qxc3 Qe5 15.Qc1 0-0 16.Bb2 Qe7 17.e5 Ng4 18.f4 Be6 19.Bd3 dxe5 20.h3 Nf6 21.Ba3 Qe8 22.fxe5 Nd5
(b) [+0.02] d=18 7...Nf6 8.Bxf7+ Kf8 9.0-0 dxc3 10.Ba3+ d6 11.Bd5 c2 12.Qxc2 Nxd5 13.exd5 Ne7 14.Nc3 Qe8
Section Ib: 5...Ba5 6.d4 exd4 7.0-0 lines
(a) [-0.23] d=30 7...Nf6 8.Ba3* d6 9.e5 Ne4 10.exd6 cxd6 11.Qe2 d5 12.Nxd4 Nxd4 13.cxd4 f5 14.Bb3 Kf7 15.f3 Nf6 16.Qd3 Re8 17.Nc3 Bxc3 18.Qxc3 Bd7 19.Qd2 Rc8 20.Rfe1 Qb6 21.h3 a6 22.Kf2 Bb5
* 8.e5 [-0.34] d=25 8...d5*** 9.exf6 dxc4 10.fxg7 Rg8 11.Re1+ Be6 12.Bg5 Qd5 13.Nbd2 Rxg7 14.Ne4 and now [-0.39] d=26 14...Rg6 (+0.00/26 14...Kf8 15.Bh6 Bg4 16.Nf6 Qf5 17.Bxg7+) 15.Nh4 Rxg5 16.Nf6+ Ke7** 17.Nxd5+ Rxd5 18.Qb1 Rad8 19.Rxe6+ fxe6 20.Qxh7+ Kd6 21.cxd4 Nxd4 22.Qe4 c5 and now -0.31/23 23.Nf3 needs to be explored further
**[-0.51] d=27 16...Ke7 17.Nxd5+ Rxd5 18.cxd4 Bxe1 19.Qxe1 Rad8 20.f4 Nxd4
*** (a) 8...Ne4 [+0.63] d=25 9.Re1 Nc5 10.Bg5 Ne7 11.Nxd4 h6 12.Bh4 g5 13.Bg3 Ne6 (b) 8...Ng4 [+0.53] d=25 9.Bg5 f6 10.exf6 Nxf6 11.Nxd4 d5 12.Bxf6 Qxf6 13.Bxd5 Nxd4 14.cxd4 c6 15.Qh5+
(b) [-0.08] d=30 7...Bb6 8.cxd4 d6 9.h3 Na5 10.Bd3 Ne7 11.Nc3 O-O 12.Rb1 h6 13.Re1 c6 14.Qc2 Be6 15.Na4 Bc7 16.Bd2 Rc8
(c) [+0.00] d=30 7...Nge7 8.cxd4 d5 9.exd5 Nxd5 10.Ba3 Be6 11.Bb5 Ndb4 12.Bxb4 Bxb4 13.Qa4 Be7 14.Bxc6 bxc6 15.Qxc6 Bd7 16.Qc4 O-O 17.Nc3 c5 18.Rfd1 cxd4 19.Qxd4 Bf6 20.Qxd7 Bxc3 21.Rac1 Qa5 22.a4 Rad8
(d)[+0.07] d=29 7...dxc3 8.Qb3 Qf6 9.Bg5 Qg6 10.Nxc3 Bxc3 11.Qxc3 Nf6 12.e5 Ne4 13.Qe3 Nxg5 14.Nxg5 Nd8 15.Qg3 Ne6 16.f4 Nxg5 17.fxg5 O-O 18.Qe3 b5 19.Bd5 c6 20.Bb3 d5 21.exd6 Be6 22.Qc5 Rad8
(e)[+0.07] d=29 7...d3 8.Qb3 Qf6 9.e5 Qg6 10.Rd1 Nge7 11.Na3 Qh5 12.Bxd3 O-O 13.Nc4 d6 14.exd6 cxd6 15.Rb1 Bc7 16.Bf4 Ne5 17.Be2 Qg4 18.Bg3 Nxc4 19.Bxc4 Nf5 20.h3 Qg6
(f)[+0.19] d=29 7...d6 8.Qb3 Qe7 9.e5 Nxe5 10.Nxe5 Qxe5 11.Bxf7 Kf8 12.cxd4 Qxd4 13.Bh5 Qf6 14.Nd2 Qe6 15.Nc4 Nf6 16.Bf3 Bb6 17.Ba3 Qf7 18.Rac1 Be6 19.Qa4 Bxc4 20.Rxc4 Rb8 21.Rf4 h5 22.Rd1 Re8
(g)[+0.42] d=29 7...a6 8.Qb3 Qf6 9.cxd4 Nge7 10.d5 b5 11.Bd3 Nd4 12.Nxd4 Qxd4 13.Bb2 Qb6 14.Bxg7 Rg8 15.Bc3 Ng6 16.Bxa5 Qxa5 17.g3 Nf4 18.Kh1 Qb6 19.Na3 Nxd3 20.Qxd3 c5 21.Qc3 d6
(h) [+0.42] d=26 7...h6 8.cxd4 Bb6 9.Qb3 Qe7 10.Ba3 d6 11.e5 Na5 12.Bb5 c6 13.Qb2 Qd8 14.exd6 Nf6 15.Re1 Be6 16.Bd3 O-O 17.Nbd2 Re8 18.Qc2 Nd5 19.Bc5 Nf4 20.Bh7 Kh8 21.Bf5 Kg8
(i) [+0.52] d=25 7...Bxc3 8.Nxc3 dxc3 9.Re1 h6 10.Ba3 Nge7 11.Qb3 O-O 12.Qxc3 Kh8 13.Rad1 d6 14.Bb2 f6 15.e5 Bg4 16.exf6 Rxf6 17.Rd3 d5 18.Ne5 Bf5 19.Nxc6 bxc6 20.Rde3 Ng6 21.Ba6 Kh7
Section Ic: 5...Ba5 6.d4 d6 lines
[-0.18] d=33 5...Ba5 6.d4 d6 7.Qb3 Qd7 8.dxe5 Bb6 9.a4* Na5 10.Qa2 Nxc4 11.Qxc4 Ne7 12.a5 Bc5 13.Nbd2 Ng6 14.0-0 0-0 15.Nb3 b6
*(a) 9.a4 is an innovation (1) [-0.16] d=32 9.a4 Na5 10.Qa2 Nxc4 11.Qxc4 Ne7 12.a5 Bc5 13.exd6 cxd6 14.0-0 0-0 15.Re1 Qc7 16.Be3 Be6 (2) [-0.24] d=32 9.a4 dxe5 10.a5 Bc5 11.Bg5 Nf6 12.Bxf6 gxf6 13.O-O O-O 14.Rd1 Qe7 15.Nbd2 Rb8 16.Qc2 Rd8 17.Nh4 Qe8 18.Nf5 Be6 19.Bd3 Ne7 20.Nb3
(b) [-0.24] d=32 9.Bb5 Nge7 10.c4 a6 11.Ba4 dxe5 12.O-O O-O 13.Nxe5 Qd4 14.Bb2 Qxe4 15.Nxc6 Nxc6 16.Nc3 Qg4 17.h3 Qh4 18.Nd5 Nd4 19.Bxd4 Bxd4 20.Rad1 c5 21.Nc7 Rb8 22.Nxa6 Ra8 23.Nc7 Ra5
(c) [-0.24] d=32 9.O-O Na5 10.Qb4 Nxc4 11.Qxc4 dxe5 12.Nxe5 Qe6 13.Bf4 Nf6 14.Nd2 O-O 15.Qe2 Re8 16.Rfe1 Ng4 17.Nxg4 Qxg4 18.Qxg4 Bxg4 19.Nc4 Bc5 20.a4 Be6 21.Na5 b6 22.Nc6 f6 23.h4 Kf7
(d) [-0.36] d=31 9.Nbd2 dxe5 10.O-O Na5 11.Qb4 f6 12.Bb5 Nc6 13.Qb3 a6 14.Be2 Na5 15.Qc2 Qf7 16.c4 Ne7 17.c5 Ba7 18.Nc4 Nxc4 19.Bxc4 Be6 20.Qa4+ Nc6 21.Bxe6 Qxe6 22.Be3 O-O 23.Rab1 Rab8 24.h3
(e) [-0.36] d=32 9.exd6 Na5 10.Qb4 Nxc4 11.Qxc4 and now -0.37/30 11...Qxd6 12.a4 Be6 13.Qe2 0-0-0 14.0-0 Ne7 15.a5 Bc5 16.a6 b6 17.Re1 Nc6 18.Be3 f6 19.Bxc5 Qxc5 20.Nbd2 Rhe8 21.Rad1 Kb8 22.h3 Bf7
Section II: 5...Be7 lines
[-0.03] d=30 6.d4 Na5 7.Bd3 exd4 8.cxd4 Nf6 9.Bd2 c6 10.Qa4 b6 11.0-0 0-0 12.Re1 d5 13.Nc3 h6 14.Ne5 Bb7 15.Rab1 Nc4 16.Bxc4 dxc4 17.Qxc4 b5 18.Qd3 Re8
Section III: 5...Bd6 lines
[-0.09] d=30 6.d4 Nf6 7.0-0 0-0 8.Re1 h6 9.Nbd2 exd4 10.cxd4 Bb4 11.Qb3 Be7 12.e5 Nh5 13.Bd5 a5 14.a3 Nf4 15.Be4 a4 16.Qe3 d5 17.exd6 Bxd6
Section IV: 5...other
[-0.02] d=25 [5...Bc5] 6.d4 exd4 7.0-0 Na5 8.cxd4 Bb6 9.Bd3 Ne7 10.Nc3 0-0
[+0.21] d=21 5...Bf8 6.d4 Na5 7.Bd3 d6 8.0-0 Nf6 9.dxe5 dxe5 10.Nxe5 Be6 11.Qc2 Bd6 12.Nf3 Nd7 13.Nbd2 0-0 14.e5 Nxe5 15.Nxe5
Section V: 4...Nxb4
[-0.01] d=30 4...Nxb4 5.c3 Nc6 6.d4 exd4 7.O-O Bb6 8.cxd4 d6 9.Nc3 Na5 10.Bd3 Ne7 11.h3 O-O 12.Rb1 h6 13.d5 c6 14.Qd2 Re8