[Comment "auto-generated from http://www.jesseo.com/chesspublishing/pgn.php?pgndata=1.d4%20d5%202.c4%20e6%203.Nc3%20c5%204.cxd5%20exd5%205.Nf3%20Nc6%206.dxc5%20Nf6%207.Be3!%20Be7%208.g3%20%26%23123;And%20here%20Ntirlis%20and%20Aagard%20stop%20their%20analysis%20cause%20black%20has%20problems%20regaining%20the%20pawn.%20But%20what%20about%20sacrifing%20it%20?%26%23125;%20(8.a3%200-0%209.b4%20b6!%20%26%23123;thematic.%26%23125;%2010.cxb6%20axb6%2011.g3%20(11.Nd4%20Ne5%2012.Bf4%20Nc4%2013.e3%20Bb7!%20(13..Rxa3%2014.Rxa3%20Nxa3%2015.Qb3%20Nc4%2016.Bxc4%20dxc4%2017.Qxc4)%20%26%23123;No%20good%20squares%20for%20the%20bishops%26%23125;%2014.Ndb5%20(14.Qb3%20Nh5)%20%26%23123;snatching%20the%20bishop%20pair.%26%23125;%20(14.Ncb5%20Nxa3!)%2014..Nxa3!%2015.Rxa3%20Rxa3%2016.Nxa3%20Bxb4%2017.Nb5%20Ne4)%20%26%23123;with%20a%20highly%20annying%20pin.%26%23125;%20(11.h3%20%26%23123;preventing%20the%20sortie%20but%20at%20the%20cost%20of%20time%26%23125;%2011..Re8%2012.g3%20Bd6!)%20%26%23123;white%20is%20busted%26%23125;%2011..Ng4!%2012.Nxd5%20(12.Bg2%20Nxe3%2013.fxe3%20Bf6)%2012..Nxe3%2013.fxe3%20Be6%2014.e4%20(14.Nxe7%20%26%23123;eleminating%20the%20bishop%20pair%20but%20developing%20black.%26%23125;%2014..Qxe7%2015.Bg2%20Rfd8%20(15..Rxa3))%2014..Bf6%2015.Rc1%20Bxd5%2016.Qxd5%20(16.exd5%20Ne7)%2016..Nd4%2017.Qxd8%20Rfxd8%2018.Kf2%20Nxf3%2019.exf3%20Rxa3)%208..0-0%209.Bg2%20Ng4!?%20%26%23123;The%20key!!%20Ng4%20to%20gain%20the%20bishop%20pair%20and%20destroy%20the%20white%20strucure.%20Seems%20to%20be%20a%20novelty%26%23125;%2010.Qxd5%20(10.Bd4%20Nxd4%2011.Qxd4%20Be6%2012.h3%20Nf6%20(12..Nh6!?)%2013.Ne5%20%26%23123;White%20should%20fight%20for%20the%20pawn,%20at%20least%20exchanging%20the%20one%20bishop.%26%23125;%2013..Qc7%2014.Nd3%20Rac8%2015.0-0%20Bxc5%2016.Nxc5%20Qxc5%2017.Qxc5%20Rxc5%2018.Rfd1%20%26%23123;And%20it%20seems%20black%20is%20suffering%20from%20the%20d5-weakness%20but%20there%20is%20a%20solution%20in%26%23125;%2018..Ne4!%2019.Nxd5%20(19.Nxe4%20dxe4)%20%26%23123;no%20problem.%26%23125;%2019..Bxd5%2020.b4%20Rb5%2021.a4%20Rxb4%2022.Rxd5%20Nc3%2023.Rd7%20Nxe2+%2024.Kf1%20Nd4)%20%26%23123;white%20is%20active%20enough%20to%20ensure%20equality%20but%20I%20would%20be%20suprised%20if%20black%20would%20get%20in%20trouble%20here.%26%23125;%20(10.Nxd5%20Nxe3%2011.fxe3%20(11.Nxe3%20Be6%2012.Qxd8%20Rfxd8%2013.a3%20Bxc5%2014.0-0%20Nd4%2015.Nxd4%20(15.Rfe1%20Nxf3+%2016.Bxf3%20Bd4)%2015..Bxd4%2016.Rab1%20Rd7%2017.Rfd1%20Rad8)%20%26%23123;and%20the%20bishop%20pair%20is%20compensationg%20the%20pawn.%26%23125;%2011..Bxc5%2012.Rc1%20Qd6)%2010..Nxe3%2011.fxe3%20Be6%2012.Qe4%20Bxc5%20%26%23123;And%20black%20has%20got%20the%20bishop%20pair%20and%20the%20longterm%20weakness%20on%20e3%20to%20play%20with.%20One%20example%20line.%26%23125;%2013.Rd1%20Qf6%2014.Nd4%20Rae8%2015.Qf4%20Qg6%2016.Nxc6%20bxc6%2017.Bxc6%20Rb8%2018.Be4%20Qh5%2019.Rd2%20Bb4%2020.0-0%20Bxa2)%20%26%23123;and%20black%20seems%20to%20have%20enough%20play%20for%20the%20pawn.%26%23125;"]
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.dxc5 Nf6 7.Be3! Be7 8.g3 {And here Ntirlis and Aagard stop their analysis cause black has problems regaining the pawn. But what about sacrifing it ?} (8.a3 0-0 9.b4 b6! {thematic.} 10.cxb6 axb6 11.g3 (11.Nd4 Ne5 12.Bf4 Nc4 13.e3 Bb7! (13..Rxa3 14.Rxa3 Nxa3 15.Qb3 Nc4 16.Bxc4 dxc4 17.Qxc4) {No good squares for the bishops} 14.Ndb5 (14.Qb3 Nh5) {snatching the bishop pair.} (14.Ncb5 Nxa3!) 14..Nxa3! 15.Rxa3 Rxa3 16.Nxa3 Bxb4 17.Nb5 Ne4) {with a highly annying pin.} (11.h3 {preventing the sortie but at the cost of time} 11..Re8 12.g3 Bd6!) {white is busted} 11..Ng4! 12.Nxd5 (12.Bg2 Nxe3 13.fxe3 Bf6) 12..Nxe3 13.fxe3 Be6 14.e4 (14.Nxe7 {eleminating the bishop pair but developing black.} 14..Qxe7 15.Bg2 Rfd8 (15..Rxa3)) 14..Bf6 15.Rc1 Bxd5 16.Qxd5 (16.exd5 Ne7) 16..Nd4 17.Qxd8 Rfxd8 18.Kf2 Nxf3 19.exf3 Rxa3) 8..0-0 9.Bg2 Ng4!? {The key!! Ng4 to gain the bishop pair and destroy the white strucure. Seems to be a novelty} 10.Qxd5 (10.Bd4 Nxd4 11.Qxd4 Be6 12.h3 Nf6 (12..Nh6!?) 13.Ne5 {White should fight for the pawn, at least exchanging the one bishop.} 13..Qc7 14.Nd3 Rac8 15.0-0 Bxc5 16.Nxc5 Qxc5 17.Qxc5 Rxc5 18.Rfd1 {And it seems black is suffering from the d5-weakness but there is a solution in} 18..Ne4! 19.Nxd5 (19.Nxe4 dxe4) {no problem.} 19..Bxd5 20.b4 Rb5 21.a4 Rxb4 22.Rxd5 Nc3 23.Rd7 Nxe2+ 24.Kf1 Nd4) {white is active enough to ensure equality but I would be suprised if black would get in trouble here.} (10.Nxd5 Nxe3 11.fxe3 (11.Nxe3 Be6 12.Qxd8 Rfxd8 13.a3 Bxc5 14.0-0 Nd4 15.Nxd4 (15.Rfe1 Nxf3+ 16.Bxf3 Bd4) 15..Bxd4 16.Rab1 Rd7 17.Rfd1 Rad8) {and the bishop pair is compensationg the pawn.} 11..Bxc5 12.Rc1 Qd6) 10..Nxe3 11.fxe3 Be6 12.Qe4 Bxc5 {And black has got the bishop pair and the longterm weakness on e3 to play with. One example line.} 13.Rd1 Qf6 14.Nd4 Rae8 15.Qf4 Qg6 16.Nxc6 bxc6 17.Bxc6 Rb8 18.Be4 Qh5 19.Rd2 Bb4 20.0-0 Bxa2) {and black seems to have enough play for the pawn.}