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Later Kibitzing> |
| Jul-17-12 | | random1: black has finally gained a clear advantage |
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Jul-17-12
 | | whiteshark: Down goes Mateusz B., with flying colours. |
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Jul-17-12
 | | chessgames.com: OK, that's it for today. Please note that tomorrow is a rest-day; the action continues on Thursday, July 19, at 9:15am USA/Eastern. Hope to see you back for more! |
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Jul-17-12
 | | Check It Out: whoa.. |
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Jul-17-12
| | Check It Out: Thanks for the live games, CG! |
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| Jul-17-12 | | ajile: <Marmot PFL: <ajile> Then Ra1 Bb5 Ra3+ win the h pawn (or the dark sq bishop)> Good call. Looks like he figured out the method. |
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| Jul-17-12 | | I Love You: What if Bartel takes the pawn, hxg4? |
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Jul-17-12
 | | Marmot PFL: < I Love You> Then Bg5+ wins the B on d2 |
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| Jul-17-12 | | I Love You: Thanks <Sir Marmot> |
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| Jul-17-12 | | ajile: <Marmot PFL:>
Beat me to it.
:o)
g4 clears the g5 square for the skewer. |
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Jul-17-12
 | | Ghuzultyy: Wow he won! |
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Jul-17-12
 | | karnak64: Wonderful stuff. Thanks, chessgames, for the triple-bill. |
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| Jul-17-12 | | blazerdoodle: Going into a game down with Bishops against rooks is a talent I don't have, and for a while I thought Bartel could hold on for the draw, but somewhere in those first twenty moves, he got a disadvantage that could only rectified with a draw. That was, is mean, uh, to be a question. Whew. What game. |
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Jul-17-12
 | | OBIT: In the distant future, when ten-piece tablebases are available, our children's children will learn that the position at move 70 is a draw with best play, but only because it takes Black 320 moves to force an exchange or pawn move to a simpler win. |
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Jul-17-12
 | | sevenseaman: Wow, I couldn't have won it in a lifetime! You got to put your brains out on a table and see how it works. |
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Jul-17-12
 | | Gregor Samsa Mendel: So was 108 Bd2 the fatal blunder, because it allowed black to advance the g-pawn? Or was white already lost at this point? |
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Jul-17-12
| | Marmot PFL: White is already lost, as black threatens Ra2, which 108 Bd2 tried to prevent. Black is kind of in zugzwang as the KB can't move without losing material, 108 Kd3 loses to Ra2 when Bb5 is not possible, if 108 Kf3 Ra2 and the threat of Ra3 prevents Bb5, and if the DSB moves, say 108 Bg7 then Ra2 109 Bb5 Ra3+ wins h3. I am not sure if 102 Kc2 (stopping Rb3) would have held, but after 102 Bg4 it seems white is lost. |
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Jul-17-12
 | | Eyal: <So was 108 Bd2 the fatal blunder, because it allowed black to advance the g-pawn? Or was white already lost at this point?> Position after 107...Kd5:
click for larger viewApparently White is already lost here, because without Bd2 Black is going to play Ra2 and win one of the pawns, e.g. 108.Kd3 Ra2 and there's no Bb5 (whereas 108.Kf3 Ra2 109.Bb5 Ra3 wins the bishop on c3); 108.Be1 Ra2 109.Bb5 Ra3+ followed by Rxh3. Running it by Houdini, the decisive mistake was 102.Bg4 (Kc2 instead should hold the fort) - that's where the evaluation jumps in favor of Black; before that, it remains stable for 40 moves (since move 62 - after Kf3?? Naiditsch missed an opportunity to finish the game by 62...Rc7! winning one of White's bishops). |
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Jul-17-12
| | Gregor Samsa Mendel: <Marmot>, <Eyal>--Thanks. |
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Jul-17-12
| | Eyal: Must have been very depressing for Bartel, who is having a rather nightmarish tournament, especially considering that when 108...g4! came it was already getting close to 50 moves since the previous pawn move (70...g5). |
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Jul-17-12
 | | twinlark: <Gregor Samsa Mendel: So was 108 Bd2 the fatal blunder, because it allowed black to advance the g-pawn? Or was white already lost at this point?> White was already lost by this point. It was probably technically drawn until White incautiously played <102. Bg4??> allowing Black a game-winning tempo by pinning the bishop with <102...Rb3!>: 
click for larger viewthreatening to win instantly with <103...Bf6>. White has to unpin which gives Black the time to threaten first the a-pawn, positioning himself to take the 7th rank and then the h-pawn after the King squeezes White's LSB off the protection of one of these pawns. Bartel plays the only move to protect the h-pawn with <107. Bf1> and then hastens the end with <108. Bd2>, but he was already lost by then, for example: if instead after <107...Kd5>:
click for larger viewWhite players <108. Kd3>, then <108...Ra2> and White's King blocks the LSB from protecting the a-pawn. If <108. Kf3 Ra2> threatens both the a-pawn and to fatally pin the DSB. Incidentally, <62. Kf3? Rc7!> followed by <63...Rd7> would have forced instant resignation. |
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Jul-17-12
| | twinlark: <Eyal>
You beat me to it. Never mind, we came to the same conclusion. |
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Jul-18-12
 | | milanmaheshwari: dont understand why the pawn was not taken? can any one explain pls |
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| Jul-18-12 | | pajaste: repeating whoa... one for the 10-piece tablebases? |
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Jul-18-12
| | twinlark: <milanmaheshwari: dont understand why the pawn was not taken? can any one explain pls> If <110. hxg4 Bg5+> wins the bishop. |
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