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[Event "Jaenisch 4.d3 with 8...Bd7"]
[Site "Chesspub"]
[Date "2016.05.29"]
[Round "?"]
[White "4.d3"]
[Black ""]
[Result "*"]
[EventDate "2016.05.29"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d3 fxe4 5.dxe4 Nf6 6.O-O d6 7.Nc3 Be7 8.Qd3 Bd7 9.Qc4 {Trying to induce black in to giving up castling rights.} 
    ( 9.Be3 a6 10.Bxc6 Bxc6 
        ( 10...bxc6 11.Qc4 Rf8 
            ( 11...Qc8 12.Ng5 Rf8 13.f4 exf4 14.Bxf4 h6 15.Nf3 Qb7 16.e5 Nd5 17.Bd2 {(＋/ = ) Looks a bit better for white.} )
        12.Ng5 Qb8 
            ( 12...h6 13.Ne6 Bxe6 14.Qxe6 {(＋/ = ) White should be somewhat better positionally now that black has lost his light squared bishop.} )
        13.Ne6 Rf7 {Is probably not so bad for black.} )
    11.Qc4 Qc8 
        ( 11...Ng4 12.Rad1 Qd7 13.Bc1 Bf6 14.a4 {(＋/ = ) Sees white's pieces somewhat better placed.} )
    12.a4 h6 
        ( 12...Rf8 13.Ng5 Bd7 14.f4 h6 15.Nf3 {(＋/ = ) With some pressure.} )
    13.b4!? g5 14.Nd2 Kf8 15.Qd3 Kg7 16.f3 Be8 {(=) to (＋/ = ) Black remains solid.} )
    ( 9.a4 O-O 10.Bc4+ Kh8 11.Ng5 Qe8 12.Ne6 Bxe6 13.Bxe6 Nd4 
        ( 13...Nb4 14.Qe2 c6 15.Bb3 {(＋/ = ) Is perhaps slightly preferable for white.} )
    14.Bh3 Rd8 15.Be3 d5 16.exd5 Nxd5 17.Nxd5 Rxd5 18.Qe4 Qc6 19.c3 Nb3 20.Rae1 {(=) to (＋/ = ) Should be OK for black somehow.} )
    ( 9.a3 O-O 10.Ng5 Kh8 11.Bc4 Qe8 12.Ne6 Bxe6 13.Bxe6 Nd4 14.Bh3 Rd8 {Planning d5 simplifying the position and it is not easy to see what white should do.} )
    ( 9.Bc4 Na5 10.Ng5 Nxc4 11.Qxc4 Rf8 12.Be3 
        ( 12.f4 c6 13.fxe5 dxe5 14.Be3 Qc8 15.Ne2 h6 16.Nf3 Qc7 {Looks OK for black.} )
        ( 12.Ne6 Bxe6 13.Qxe6 Qd7 14.Qb3 O-O-O {Also should be fine for black.} )
    12...c6 13.Ne6 Bxe6 14.Qxe6 Qd7 15.Qb3 Ng4 16.Bd2 O-O-O {Can hardly be so bad for black.} )
9...Rf8 
    ( 9...Na5!? 10.Bxd7+ Qxd7 11.Qe2 Nc6 12.Rd1 O-O 13.b4 {(＋/ = ) Looks comfortable for white.} )
10.b4 
    ( 10.Bd2 a6 11.Bxc6 Bxc6 12.a4 Bd7 {(=) It is hard to put pressure on black.} )
    ( 10.Ng5 Nd4 11.Bxd7+ Qxd7 12.Be3 c5 {(=) Black is OK.} )
    ( 10.Rd1 Qc8 11.Qb3 a6 12.Be2 Nd8 13.Nd5 Ne6 {(=) Black keeps a fair degree of solidity in his position.} )
    ( 10.a4 a6 11.Bxc6 Bxc6 
        ( 11...bxc6 12.b4 {(＋/ = ) Should lead to a more comfortable middlegame for white.} )
    12.Ng5 Bd7 13.Be3 Qc8 
        ( 13...h6 14.Ne6 Bxe6 15.Qxe6 Qd7 16.Qc4 Qc6 17.Qd3 {(＋/ = ) Black is a bit passive.} )
    14.f4 h6 15.Nf3 Ng4 16.Bd2 Be6 17.Qe2 
        ( 17.Nd5 c6 18.Nc7+ Qxc7 19.Qxe6 Qb6+ 20.Kh1 Nf2+ 21.Rxf2 Qxf2 22.Qb3 b5 23.axb5 cxb5 24.Qd5 Rd8 25.Qc6+ Kf7 26.Qd5+ Ke8 27.Qc6+ Kf7 28.Qd5+ Ke8 {(=)} )
    17...Qd7 18.Nd5 O-O-O 19.h3 Nf6 20.Nxe7+ Qxe7 21.fxe5 dxe5 22.Qe3 {(=) to (＋/ = ) Looks like it should not be better for white though he is a small bit more comfortable.} )
    ( 10.Nd5!? a6 11.Bxc6 bxc6 12.Ne3 {I do not think is much for white. Black will keep a fairly solid position long and exhanging a minor piece like this should not really benefit white.} )
10...a5!? 11.Bxc6 Bxc6 12.b5 Bd7 13.a4 Qc8 {(=) to (＋/ = ) White has the making of a bind but it is not clear if setting this up is enough to gain advantage.} *