[Comment "auto-generated from http://www.jesseo.com/chesspublishing/pgn.php?pgndata=[Event%20%26quot;?%26quot;]%0A[Site%20%26quot;?%26quot;]%0A[Date%20%26quot;2017.??.??%26quot;]%0A[Round%20%26quot;?%26quot;]%0A[White%20%26quot;Nimzo%204.f3%20d5%26quot;]%0A[Black%20%26quot;main%20line%208.dxc5%20Qa5%26quot;]%0A[Result%20%26quot;*%26quot;]%0A[ECO%20%26quot;E25%26quot;]%0A[Annotator%20%26quot;Paul%20Cumbers%26quot;]%0A[PlyCount%20%26quot;48%26quot;]%0A[EventDate%20%26quot;2017.??.??%26quot;]%0A[EventType%20%26quot;team%26quot;]%0A%0A1.%20d4%20Nf6%202.%20c4%20e6%203.%20Nc3%20Bb4%204.%20f3%20d5%205.%20a3%20Bxc3+%206.%20bxc3%20c5%207.%20cxd5%20Nxd5%208.%0Adxc5%20Qa5%209.%20e4%20Nf6%20(9...%20Ne7%20%26%23123;In%20case%20you%20thought%20the%20more%20popular%209...Ne7%20was%0Aboring,%20check%20out%20Ingersol-Heinke,%20ICCF%20email%202013%20(inspired%20by%20Anand-Wang%20Hao,%0AWijk%20aan%20Zee%202011?):%26%23125;%2010.%20Be3%20O-O%2011.%20Qb3%20Qc7%2012.%20Bb5%20Nec6%2013.%20Ne2%20Na5%2014.%20Qb4%0Ae5%2015.%20Nd4%20$5%20Nbc6%2016.%20Qb2%20exd4%2017.%20cxd4%20f5%2018.%20O-O%20Bd7%2019.%20Be2%20Rae8%2020.%20d5%20Qe5%0A21.%20Rab1%20Qxb2%2022.%20Rxb2%20Ne5%2023.%20Bd4%20fxe4%2024.%20fxe4%20Rxf1+%2025.%20Bxf1%20b6%2026.%20cxb6%0Aaxb6%2027.%20Rxb6%20Nec4%2028.%20Bxc4%20Nxc4%2029.%20Rb4%20Nxa3%2030.%20Rb7%20Nc2%2031.%20Bc3%20Re7%2032.%20e5%0ARf7%2033.%20e6%20Bxe6%2034.%20Rb8+%20Rf8%2035.%20Rxf8+%20Kxf8%2036.%20dxe6%20g6%2037.%20Bf6%20Ke8%20%26%23123;%EF%BF%BD-%EF%BF%BD%26%23125;)%0A10.%20Be3%20O-O%2011.%20Qb3%20(11.%20Kf2%20%26%23123;After%20the%20alternative%2011.Kf2%26%23125;%20Nfd7%2012.%20Rb1%20Rd8%0A13.%20Rb5%20(13.%20Qb3%20%26%23123;Black%20players%20seem%20to%20know%20about%26%23125;%20Qc7%2014.%20Rd1%20Rf8%20$1%20$11)%0A13...%20Ne5%20$1%20$11%20%26%23123;I%27m%20surprised%20nobody%20has%20tested%2013...Ne5%26%23125;)%2011...%20Nfd7%2012.%20a4%0AQc7%2013.%20Qa3%20b6%2014.%20a5%20bxc5%2015.%20a6%20$5%20%26%23123;White%20is%20trying%20hard.%26%23125;%20(15.%20Nh3%20%26%23123;%0AYakovich%20gives%2015.Nh3%26%23125;%20Ba6%2016.%20Bxa6%20Nxa6%2017.%20Qa4%20Ne5%20%26%23123;etc.%26%23125;%20(%26%23123;but%20misses%26%23125;%2017...%0Ac4%20$1%20$11%20%26%23123;as%20seen%20in%20a%20handful%20of%20games%20more%20recently%26%23125;))%2015...%20c4%2016.%20Qa5%20Qxa5%0A17.%20Rxa5%20Nc6%20$1%2018.%20Ra2%20%26%23123;From%20this%20position,%20the%20majority%20of%20games%20have%20ended%0Ain%20draws.%26%23125;%20Nde5%20(18...%20Rb8%20%26%23123;is%20also%20annoying%20for%20White.%26%23125;)%2019.%20f4%20Ng4%2020.%20Bc1%20(%0A20.%20Bd2%20Rb8%2021.%20Bxc4%20e5%2022.%20f5%20%26%23123;could%20lead%20to%20an%20attractive%20idea%20for%20Black:%26%23125;%0ANf6%2023.%20Bd3%20Rd8%2024.%20Ke2%20g6%2025.%20fxg6%20hxg6%2026.%20Bg5%20Rb3%20$3%20%26%23123;,%20e.g.%26%23125;%2027.%20Bxf6%20Rxd3%0A$1%2028.%20Kxd3%20Nb4+%2029.%20Kd2%20Nxa2%20%26%23123;(%26lt;with%20counterplay%26gt;)%26%23125;)%2020...%20Nf6%20(20...%20Rb8%2021.%0ANh3%20Rb1%2022.%20Kd2%20$13%20%26%23123;might%20be%20more%20to%20White%27s%20liking%20(Wang%20Hao-Radjabov,%0AStavanger%202013).%26%23125;)%2021.%20e5%20Ne4%2022.%20Ra3%20(22.%20Bxc4%20%26%23123;White%20could%20go%20for%20BN%20v%20RP%20-%26%23125;%0ANxc3%2023.%20Rc2%20Ne4%2024.%20Bd3%20Nb4%2025.%20Bxe4%20Nxc2+%2026.%20Bxc2%20Bxa6%20%26%23123;,%20but%20his%20lack%20of%0Adevelopment%20looks%20suspicious.%26%23125;)%2022...%20Bd7%20%26%23123;followed%20by%20activating%20the%20rooks,%0Ameanwhile%20White%20is%20way%20behind%20on%20development.%20A%20key%20tactical%20idea%20for%20Black%20is%26%23125;%0A23.%20Bxc4%20Nb4%20$1%2024.%20cxb4%20Rfc8%20%26%23123;(%26lt;with%20compensation%26gt;)%20regaining%20the%20piece.%26%23125;%20*"]
[Event "?"]
[Site "?"]
[Date "2017.??.??"]
[Round "?"]
[White "Nimzo 4.f3 d5"]
[Black "main line 8.dxc5 Qa5"]
[Result "*"]
[ECO "E25"]
[Annotator "Paul Cumbers"]
[PlyCount "48"]
[EventDate "2017.??.??"]
[EventType "team"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8.
dxc5 Qa5 9. e4 Nf6 (9... Ne7 {In case you thought the more popular 9...Ne7 was
boring, check out Ingersol-Heinke, ICCF email 2013 (inspired by Anand-Wang Hao,
Wijk aan Zee 2011?):} 10. Be3 O-O 11. Qb3 Qc7 12. Bb5 Nec6 13. Ne2 Na5 14. Qb4
e5 15. Nd4 $5 Nbc6 16. Qb2 exd4 17. cxd4 f5 18. O-O Bd7 19. Be2 Rae8 20. d5 Qe5
21. Rab1 Qxb2 22. Rxb2 Ne5 23. Bd4 fxe4 24. fxe4 Rxf1+ 25. Bxf1 b6 26. cxb6
axb6 27. Rxb6 Nec4 28. Bxc4 Nxc4 29. Rb4 Nxa3 30. Rb7 Nc2 31. Bc3 Re7 32. e5
Rf7 33. e6 Bxe6 34. Rb8+ Rf8 35. Rxf8+ Kxf8 36. dxe6 g6 37. Bf6 Ke8 {�-�})
10. Be3 O-O 11. Qb3 (11. Kf2 {After the alternative 11.Kf2} Nfd7 12. Rb1 Rd8
13. Rb5 (13. Qb3 {Black players seem to know about} Qc7 14. Rd1 Rf8 $1 $11)
13... Ne5 $1 $11 {I'm surprised nobody has tested 13...Ne5}) 11... Nfd7 12. a4
Qc7 13. Qa3 b6 14. a5 bxc5 15. a6 $5 {White is trying hard.} (15. Nh3 {
Yakovich gives 15.Nh3} Ba6 16. Bxa6 Nxa6 17. Qa4 Ne5 {etc.} ({but misses} 17...
c4 $1 $11 {as seen in a handful of games more recently})) 15... c4 16. Qa5 Qxa5
17. Rxa5 Nc6 $1 18. Ra2 {From this position, the majority of games have ended
in draws.} Nde5 (18... Rb8 {is also annoying for White.}) 19. f4 Ng4 20. Bc1 (
20. Bd2 Rb8 21. Bxc4 e5 22. f5 {could lead to an attractive idea for Black:}
Nf6 23. Bd3 Rd8 24. Ke2 g6 25. fxg6 hxg6 26. Bg5 Rb3 $3 {, e.g.} 27. Bxf6 Rxd3
$1 28. Kxd3 Nb4+ 29. Kd2 Nxa2 {()}) 20... Nf6 (20... Rb8 21.
Nh3 Rb1 22. Kd2 $13 {might be more to White's liking (Wang Hao-Radjabov,
Stavanger 2013).}) 21. e5 Ne4 22. Ra3 (22. Bxc4 {White could go for BN v RP -}
Nxc3 23. Rc2 Ne4 24. Bd3 Nb4 25. Bxe4 Nxc2+ 26. Bxc2 Bxa6 {, but his lack of
development looks suspicious.}) 22... Bd7 {followed by activating the rooks,
meanwhile White is way behind on development. A key tactical idea for Black is}
23. Bxc4 Nb4 $1 24. cxb4 Rfc8 {() regaining the piece.} *