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Yue Wang vs Bu Xiangzhi
China Chess Kings (2015), Taizhou CHN, rd 1, Nov-25
Semi-Slav Defense: Botvinnik System (D44)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
Nov-25-15  Pulo y Gata: How about 18.Rxa5?
Nov-25-15  Shams: <Pulo y Gata> 18.Rxa5 Nc2+ 19.Kd1 Rxa5 20.Qxa5 Nxd4 looks good for Black.
Nov-25-15  shintaro go: Wonder how often is Nxg5 played in the top level. Seems dangerous for White given that the Kingside is wide open for attacks as in the case in this game
Nov-25-15  Shams: <shintaro go> <Wonder how often is Nxg5 played in the top level.>

Close to 100% of the time, I imagine. If <9.Bg3> instead White is just off a pawn. This insanely complex variation (with 9.Nxg5) was played a great deal in the 90s. To my knowledge it is Black and not White who tends to avoid this line.

Nov-25-15
Premium Chessgames Member
  perfidious: Another crazy line comes after 9.Nxg5 Nd5 10.Nxf7 Qxh4 11.Nxh8 Bb4, though White has scored heavily in this: Opening Explorer

Remember looking at an analysis of this in the British Chess Magazine in the 1980s and shaking my head in astonishment.

Nov-26-15  Pulo y Gata: <Nov-25-15
Premium Chessgames Member Shams: <Pulo y Gata> 18.Rxa5 Nc2+ 19.Kd1 Rxa5 20.Qxa5 Nxd4 looks good for Black.>

Thanks, Shams. In this line, there's 21.Qb4+ Kg7 22. Nxd4 Qxd4+ 23. Kc1 Qxf2 and with a likely draw.

The Botvinnik variation of Slav is one of the most analyzed opening variations with top GM advocates for both colors. It's quite exciting to see for spectators, but many lines probably have been analyzed to a draw.

Nov-26-15  EhsanBalani: If 27.Kc1, what would be then?
Nov-26-15  onur87: after 19...Rc8,despite two pawns down beautiful position to black!
Nov-26-15  Shams: <EhsanBalani> 27.Kc1 Qe3+ followed by a fatal check by the Bishop.
Nov-26-15  Atking: A relative new interesting approach: Black King is quite safe at f8 and the usual king side attack is still there.

19.f3 isn't appealing but 19.0-0 is even more detestable aftre a classical sacrifice on his line 19...Rxh2! 20.KxR Qh8+

Nov-27-15
Premium Chessgames Member
  HeMateMe: Wi and Bu can light people up in a hurry.
Nov-27-15  gokusano: Wang vs. Bu, or Bu vs. Wang. Whatever, the game was a sight to behold. An intense struggle over king hunting and Bu was successful.
Nov-28-15  Atking: 13.a4 seems more in purpose. On 13...b4 14.Ne4 Qf4 15.Qe2 and only now 16.g3
Nov-29-15  Naniwazu: <Atking> 19...Qf3 after White castles is a much stronger move, when Black has to give up heavy material to prevent mate.
Nov-29-15  PhilFeeley: <Naniwazu> By "Black" you meant "White", of course. What is the continuation after 20. Rf1?
Nov-30-15  Atking: It seems I confused few people. I meant on an eventual 19.0-0 then 19...Rxh2 as 20.KxR Qh8+ 21.Kg1 Qh1 mate. On 19.0-0 Qf3 20.d5 White can still fight a bit. Sorry English is my mother tongue.
Dec-02-15  Moszkowski012273: 22...Rh5 is a harrrrd move to spot!

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