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Basheer Al Qudaimi vs Bassem Amin
World Rapid Championship (2014) (rapid), Dubai UAE, rd 6, Jun-17
Scotch Game: Mieses Variation (C45)  ·  0-1
ANALYSIS [x]

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find similar games 2 more B Al Qudaimi/B Amin games
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Kibitzer's Corner
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Mar-24-16
Premium Chessgames Member
  agb2002: <Once> I agree, word for word. Chess itself wouldn't be so interesting without the unexpected and the surprise.
Mar-24-16  The Kings Domain: Nice puzzle. The two black rooks at white's backyard are appealing.
Mar-24-16  saturn2: I got it until blacks 28 move but then I choose 29.. Reh5 instead of 29...Ree1(?) which I did not even consider.
Mar-24-16  morfishine: Thats what I saw <27...d3> 28.Bd3 Rh1+ 29.Kg2 Ree1

*****

Mar-24-16  stacase: Knowing the remove the defender theme for this week's puzzles was key to realizing that White's Bishop was a thorn in the side of an otherwise mating attack. A simple Pawn sacrifice 27...d3 cleared the way nicely.
Mar-24-16  wooden nickel: The pre-winning move was 26... d4! leading to 27.Na4 and the puzzle position.


click for larger view

Does 27... f5 also win? ...
28.Kg2 Re6 29.Bd3 Reh6


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Mar-24-16  Coriolis: The last two moves brings to mind a Woody Allen quote
Mar-24-16
Premium Chessgames Member
  patzer2: After I looked at the game and saw the game move 29...Ree1?, I thought for a second my Thursday's puzzle solution 27...d3 28. Bxd3 Rh1+ 29. Kg2 Reh5! (diagram below)


click for larger view

might have been a mistake. However, there is no mistake as any White move is met by mate on Black's next move with 30...R5h2#.

The mistake was the game move 29...Ree1?, which allows White to prolong the game with difficult drawing chances after 30. f4 Rh3 31. Kh2 (-0.55 @ 31 depth, stockfish 6).

According to the computers, White's decisive mistake was 25. Rc2? allowing 25...hxg3 (-2.55 @ 25 depth, Deep Fritz 15).

Instead, the computers initially recommend 25. Nd1 to (-1.36 @ 29 depth, Stockfish 5SE).

However, in exploring 25. Nd1 move-by-move with the computer in greater depth, White loses after 25. Nd1 hxg3 26. hxg3 d4! 27. Bxg4 Rh1+ 28. Kg2 Ree1 29. f4 Rhg1+ 30. Kh2 f5 31. Bf3 d3 32. a4 d2 33. Rb1 Kc7 34. a5 a6 35. Ra1 d6 36. Be2 c5 37. bxc5 dxc5 38. Rb1 Kd6 39. Rb6+ Kd5 40. Bf3+ Kc4 41. Nb2+ Kc3 42. Rd6 Kxb2 43. Rxd2+ Kc3 44. Rd5 c4 45. Bg2 Kb2 (-6.45 @ 23 depth, Deep Fritz 15).

So we need to look for an earlier improvement, perhaps in the opening.

In the opening, instead of <11. g3> allowing 11...0-0-0 = (-0.06 @ 30 depth, Stockfish 071015), the computer move 11. Bb2 = to (+0.42 @ 28 depth, Stockfish 5SE) as in M Ebeling vs S Nyysti, 2012 appears to be slightly better for White.

Mar-24-16
Premium Chessgames Member
  paulalbert: My solution also was 29...... Reh5 . Saw the d3 idea immediately. When I saw actual move Ree1 in game, I thought "oh no, overlooked some incredible defensive idea by white after Reh5" , but as pointed out by others, Ree1 does not force mate and not clear who wins. I didn't even look at Ree1 as a possible candidate.
Mar-24-16  Halldor: My first try had 29 Ree1, which doesn't mate, so I looked for a while for some other lines before I found the improvement 29 Reh5! which nails it.
Mar-24-16
Premium Chessgames Member
  alfiere nero: First time ever I solved the Thursday puzzle, just past midnight. Then I read the first comment left there: ...f3 would save the game. Like everyone else I wondered what happened. Could it be that White ran out of time? It was "Rapid" chess: doesn't that make a difference? (Sorry for my ignorance, I'm only a beginner.)
Mar-24-16
Premium Chessgames Member
  dlw214: To offramp: The problem is that Black missed a forced 2 move checkmate after playing d3.
Mar-24-16
Premium Chessgames Member
  doubledrooks: 27...d3 28.Bxd3 Rh1+ 29.Kg2 R5h5 threatening R5h2 mate works for me.
Mar-24-16
Premium Chessgames Member
  thegoodanarchist: I <should> have gotten this Thursday puzzle, 27...?, but I did not.

I hang my head in shame

Mar-24-16
Premium Chessgames Member
  kevin86: It looks like the rook should have gone to h5 rather than e1 on the final move. Was that a mistake?
Mar-24-16
Premium Chessgames Member
  kevin86: It appears that rook to the first rank is actually favoring white while to the h-file is inescapable mate.
Mar-24-16
Premium Chessgames Member
  catlover: For what it's worth, here's what Stockfish came up with for the line 29...Ree1 (versus 29...Reh5):

30. f4 Rh3 31. Kf2 Ra1 32. Bf1 Rh1 33. Bg2 Rhc1 34. Rxc1 Rxc1 35. Be4 and it gives for white -(0.82) at depth 35/51.

So black still has an advantage but the win might be long and messy.

Mar-24-16
Premium Chessgames Member
  patzer2: <alfiere>< It was "Rapid" chess: doesn't that make a difference?> I think it makes all the difference. In rapid or blitz chess, players often play the first good looking move that comes to mind without considering alternatives. I'd guess Black felt pressed for time and made the 29...Ree1 move quickly, and then saw afterwards he had missed the stronger 29...Reh5!

I'd also venture it would have been difficult for White to find a saving line after 29...Ree1, even with the strong defense 30. f4 Rh3 31. Kf2 Ra1 -32. Nc3 /+ to (-1.28 @ 24 depth, Deep Fritz 15), as the computers initially evaluate it as a pawn plus advantage for Black.

However, if White can play with computer strength, a move-by-move look with Deep Fritz 15 shows the evaluation slowly decreasing to level after 29...Ree1 30. f4 Rh3 31. Kf2 Ra1 32. Nc3 Rh2+ 33. Ke3 Rxc2 34. Bxc2 Rxa3 35. Kd2 d5 36. Bd1 Ke7 37. Ne2 Kf6 38. Nc3 d4 39. Ne4+ Kg6 40. Nf2 f5 41. Nd3 Kf7 42. Bc2 Kf6 43. Ke2 a6 44. Kd2 Rc3 45. Ba4 Ke6 46. Bc2 Kd6 47. Kc1 Ke7 48. Kd2 Ke8 = (-0.24 @ 25 depth).

Mar-24-16  RTJR: So which is it? Did Amin actually play Ree1, and then the opponent foolishly resigned? Or did Amin actually play Reh5, and the above score is a typo?
Mar-24-16  StevieB: Not too bad today. Just a bit of careful planning is all that's necessary.
Mar-24-16  Virgil A: R5h5 is # in 1.
Mar-24-16  CHESSTTCAMPS: Black has a rook and two pawns for a bishop+knight, a slight material advantage, other things being equal, but other things are not equal. Black's rooks are mobile and coordinated, while the white pieces do not defend the king well. White threatens Bxg4, at least equalizing, but black must resist the temptation of 27... f5(??). Instead, black can finish the game with 27... d3! essentially forcing 28.Bxd3 (28.Rd2 dxe2+ 29.Rxe2 Rh1+ 30.Kg2 Rxe2 31.Kxh1 Ra2 is an easy win) Rh1+ 29.Kg2 R5h5 to be followed by 30... R5h2#!
Mar-24-16  Patriot: It was a bit tough for me. I quickly saw 27...d3 28.Bxd3 Rh1+ 29.Kg2 Ree1 30.f4 which became a real problem for me.

Then I tried changing the move order; 27...Rh1+ 28.Kg2 d3 which transposes.

I also looked at the unlikely 27...Rxe2 and 27...Rhe8.

Finally it dawned on me that 27...Rh1+ 28.Kg2 Reh5 would win if it wasn't for 29.Bxg4. So then I settled on 27...d3 28.Bxd3 Rh1+ 29.Kg2 Reh5 with a forced mate.

The question is, if time permitted and you had, let's say, 20 minutes left on the clock, why would you try to solve a "puzzle" if you had this position as black during a game? The answer is really the key in becoming a better player--not just a better puzzle solver. It's the fact that the white king is restricted by the pawn on g4, rooks bearing down on open files, and there's the advanced d-pawn. Danger is in the air, so look for something good!

Mar-24-16  Whitehat1963: Totally missed the simple but effective deflection.
Mar-24-16  Exploding: Dumb Basheer
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