Evgeny Alekseev vs Alexander Morozevich (2009)

Evgeny Alekseev vs Alexander Morozevich
Biel International Chess Festival (2009) · Caro-Kann Defense: Karpov Variation (B17) · 1-0

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explore this opening	find similar games	9 more E Alekseev/Morozevich games
sac: 53.Rxe5	PGN: download \| view	Help: general \| java-troubleshooting

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Jul-25-09		Fish55: 43...e6? looks like a case of Morozevich trying to hard to win. If black captures on d3 white can play e7.

Jul-25-09		I Like Fish: 55... hello...

Jul-25-09		supertimchan: I think 42..Be5 was inaccurate. If Moro played 42..Bg7, the e6 idea would have worked because the e file is open.

Jul-25-09		Jason Frost: If 42...Bg7 43...e6 white can just play 44. d6 with advantage 43...e6 (in the actual game) is just a bad blunder, missing that after 43...e6?? 44. dxe6 Qxd3+ 45. Qxd3 Rxd3 46 e7! the pawn can not be stopped from promoting. Wonder how much time Moro had on his clock.

Jul-26-09		ex0duz: <I Like Fish: 55... hello...> 55.. whatever. 56. Qxe5

Jul-26-09		Whitehat1963: Wednesday puzzle after 52...Qg5.

Jul-26-09		I Like Fish: ex.duz... hehe... good one...

Jul-26-09		Peligroso Patzer: <Jason Frost: * 43...e6 (in the actual game) is just a bad blunder, missing that after 43...e6?? 44. dxe6 Qxd3+ 45. Qxd3 Rxd3 46 e7! the pawn cannot be stopped from promoting. * > The variations are somewhat more complicated than the above comment suggests, but <43. ... e6?> was definitely a blunder (as was much-discussed on the tournament page: Biel International Chess Festival (2009)). The following lines show that after <44. dxe6!>, Black’s position was going to be difficult or outright lost in all variations: <44. ... Kg7> (I) Worse would be: 44...Rxd3 45.Qc8+ (Also winning for White would be: 45.e7 Bc7 46.Qxc7 Qe4 47.Ka2 Qa8 48.Qe5 Qe8 49.b3 a4 50.bxa4 , but 45. Qc8+ is the most accurate winning move.) 45...Kg7 (If here 45...Kh7 then 46.exf7 (but note that in this line pushing the e-pawn to the 7th does not work: 46.e7?? Rb3 and BLACK wins!).) 46.e7 Rb3 47.Qf8+ Kh7 48.Qh6+ Kg8 49.e8=Q (or R)#; (II) Also losing outright (after 44. dxe6!) would be: 44...Qxd3+ 45.Qxd3 Rxd3 46.e7 (the line given by <Jason Frost>). < 45.e7 Re8 46.Qd5 Rxe7 47.Re3 Qh2 48.Bd2 f6 49.gxf6+ Kxf6? >[Better would be: 49...Bxf6 50.Rxe7+ Bxe7 51.Bxa5±] <50.Qf3+ Kg7> (There is more resistance in 50...Qf4, but Black is still losing the exchange-down ending after: 51.Qxf4+ Bxf4 52.Rxe7 Bxd2 .) <51.Bc3 Qg1+ 52.Ka2 Qg5 53.Rxe5 Rxe5 54.Qd5 Kf6 55.Qd6+> 1–0

Jul-26-09		Jason Frost: <Peligroso Patzer> The variations are more complicated but for black it really doesn't matter. If black saw 43...e6 44. dxe6 Qxd3+ 45. Qxd3 Rxd3 46 e7! he would've stopped calculating the line there, since at 43... black has a slight but pretty obvious advantage, after 44. dxe6 and any move it's clear white gains at the very least significant counterplay. Of course with precise calculation we see that white is actually gaining a material advantage.

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