[Comment "auto-generated from http://www.jesseo.com/chesspublishing/pgn.php?pgndata=[Event%20%26quot;Chesspub%20Spanish%20Repertoire%26quot;]%0A[Site%20%26quot;%26quot;]%0A[Date%20%26quot;2016.01.10%26quot;]%0A[Round%20%26quot;?%26quot;]%0A[White%20%26quot;Jaenisch%20anti%205...Nf6%20suggestion%26quot;]%0A[Black%20%26quot;%26quot;]%0A[Result%20%26quot;*%26quot;]%0A[ECO%20%26quot;C63%26quot;]%0A[EventDate%20%26quot;2016.01.10%26quot;]%0A[Annotator%20%26quot;CBT%26quot;]%0A%0A1.e4%20e5%202.Nf3%20Nc6%203.Bb5%20f5%204.Nc3%20fxe4%205.Nxe4%20Nf6%20%26%23123;The%20mainline%20of%20the%20Jaenisch.%26%23125;%206.Qe2%20%26%23123;By%20defending%20the%20well%20placed%20knight%20white%20ensures%20that%20black%20at%20some%20point%20will%20be%20forced%20to%20play%20d5.%20There%20is%20also%20something%20to%20be%20said%20for%20delaying%20the%20exchange%20on%20f6%20as%20if%20this%20is%20done%20immediately%20on%20the%20fifth%20move%20black%20can%20take%20back%20with%20the%20queen,%20while%20if%20the%20exchange%20is%20delayed%20Qxf6%20will%20be%20impossible.%20The%20other%20capture%20gxf6%20is%20no%20disaster,%20yet%20it%20does%20somewhat%20loosen%20the%20kingside%20and%20black%27s%20development%20is%20not%20helped.%26%23125;%206...d5%20%0A%26nbsp;%20%26nbsp;%20(%206...Qe7%20%26%23123;Is%20an%20alternative%20but%20I%20doubt%20it%20equalises.%26%23125;%20)%0A7.Nxf6+%20%26%23123;Forces%20gxf6.%26%23125;%20%0A%26nbsp;%20%26nbsp;%20(%207.Nc3!?%20%26%23123;Trying%20to%20lure%20out%20the%20slightly%20weakening%20e5-e4%20is%20uncommon%20and%20interesting.%20Having%20checked%20the%20lines%20a%20bit%20I%20can%20say%20that%20I%20am%20reasonably%20happy%20about%20white%27s%20chances%20after%207...e4.%20The%20developing%207...Bg4!%20was%20something%20I%20did%20not%20manage%20to%20crack%20at%20all%20though.%26%23125;%20)%0A7...gxf6%208.O-O%20%0A%26nbsp;%20%26nbsp;%20(%208.d4%20%26%23123;Is%20fairly%20interesting%20also.%26%23125;%20)%0A8...Be7%20%26%23123;What%20I%20like%20conceptually%20about%208.0-0%20is%20that%20black%27s%20best%20replies%20seem%20to%20be%20either%20this%208...Be7%20or%208...Qe7;%20somewhat%20suboptimal%20looking%20moves%20imo.%26%23125;%20%0A%26nbsp;%20%26nbsp;%20(%208...Qe7%209.d4%20e4%2010.Nh4%20Bd7!?%20%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2010...f5%2011.c4!?%20a6%2012.Bxc6+%20bxc6%2013.g3%20%26%23123;Keeps%20some%20pressure%20for%20white.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2010...Bg7%2011.Qh5+!?%20Qf7%2012.Nf5!%20%26%23123;With%20annoying%20activity.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%2011.Qh5+%20Qf7%2012.Qxf7+%20Kxf7%2013.f3%20%26%23123;It%20makes%20sense%20to%20play%20this%20immediately%20as%20it%20becomes%20harder%20to%20make%20an%20impact%20when%20black%20has%20developed.%20That%20being%20said:%26%23125;%20%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2013.c3%20Rd8%2014.Be2!?%20Ne7%2015.g3%20Ng6%2016.Ng2%20Kg7%2017.f3%20%26%23123;(%3D)%20to%20(%EF%BC%8B/%20%3D)%20Is%20perhaps%20marginally%20more%20comfortable%20for%20white.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%2013...a6!?%20%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2013...Rd8%2014.Bxc6%20bxc6%2015.fxe4%20dxe4%2016.Be3%20%26%23123;Is%20comfortable%20for%20white.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%2014.Bxc6%20Bxc6%2015.fxe4%20dxe4%2016.Be3%20%26%23123;(%EF%BC%8B/%20%3D)%20I%20don%27t%20think%20black%20can%20be%20completly%20satisfied%20here.%20White%20has%20good%20pieces%20and%20can%20go%20for%20a%20doubling%20on%20the%20f-line%20or%20maybe%20c4%20at%20some%20point.%26%23125;%20)%0A9.d4%20e4%2010.Nd2%20O-O%2011.Nb3%20f5%2012.f3%20%26%23123;White%20has%20mild%20pressure%20which%20he%20in%20some%20cases%20can%20ramp%20up%20with%20c4.%20There%20are%20also%20ideas%20of%20playing%20against%20black%EF%BF%BDs%20unhappy%20light%20square%20bishop.%20I%20would%20expect%20that%20white%20in%20the%20coming%20couple%20of%20moves%20will%20be%20able%20to%20get%20a%20small%20advantage.%26%23125;%20*"]
[Event "Chesspub Spanish Repertoire"]
[Site ""]
[Date "2016.01.10"]
[Round "?"]
[White "Jaenisch anti 5...Nf6 suggestion"]
[Black ""]
[Result "*"]
[ECO "C63"]
[EventDate "2016.01.10"]
[Annotator "CBT"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Nf6 {The mainline of the Jaenisch.} 6.Qe2 {By defending the well placed knight white ensures that black at some point will be forced to play d5. There is also something to be said for delaying the exchange on f6 as if this is done immediately on the fifth move black can take back with the queen, while if the exchange is delayed Qxf6 will be impossible. The other capture gxf6 is no disaster, yet it does somewhat loosen the kingside and black's development is not helped.} 6...d5 
    ( 6...Qe7 {Is an alternative but I doubt it equalises.} )
7.Nxf6+ {Forces gxf6.} 
    ( 7.Nc3!? {Trying to lure out the slightly weakening e5-e4 is uncommon and interesting. Having checked the lines a bit I can say that I am reasonably happy about white's chances after 7...e4. The developing 7...Bg4! was something I did not manage to crack at all though.} )
7...gxf6 8.O-O 
    ( 8.d4 {Is fairly interesting also.} )
8...Be7 {What I like conceptually about 8.0-0 is that black's best replies seem to be either this 8...Be7 or 8...Qe7; somewhat suboptimal looking moves imo.} 
    ( 8...Qe7 9.d4 e4 10.Nh4 Bd7!? 
        ( 10...f5 11.c4!? a6 12.Bxc6+ bxc6 13.g3 {Keeps some pressure for white.} )
        ( 10...Bg7 11.Qh5+!? Qf7 12.Nf5! {With annoying activity.} )
    11.Qh5+ Qf7 12.Qxf7+ Kxf7 13.f3 {It makes sense to play this immediately as it becomes harder to make an impact when black has developed. That being said:} 
        ( 13.c3 Rd8 14.Be2!? Ne7 15.g3 Ng6 16.Ng2 Kg7 17.f3 {(=) to (＋/ =) Is perhaps marginally more comfortable for white.} )
    13...a6!? 
        ( 13...Rd8 14.Bxc6 bxc6 15.fxe4 dxe4 16.Be3 {Is comfortable for white.} )
    14.Bxc6 Bxc6 15.fxe4 dxe4 16.Be3 {(＋/ =) I don't think black can be completly satisfied here. White has good pieces and can go for a doubling on the f-line or maybe c4 at some point.} )
9.d4 e4 10.Nd2 O-O 11.Nb3 f5 12.f3 {White has mild pressure which he in some cases can ramp up with c4. There are also ideas of playing against black�s unhappy light square bishop. I would expect that white in the coming couple of moves will be able to get a small advantage.} *