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explanations...

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a

omnipresent

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hi all!
I figured there are probably enough kind, good chess players with time on their hands to answer my simple questions.
Occasionally, I use a database (www.chesslab.com). It's not of much use though, since mostly I fail to see the motives behind moves made by professional players. I came across one game (random clicking, no reference to any of my games), and I have several moves I don't understand, so maybe someone can explain. Here's the pgn:
1. e4 Nf6
2. Nc3 e6
3. d3 d5
4. f3 dxe4
5. fxe4 Bb4
6. Bd2 O-O
7. Qf3 Nc6
8. Qg3 g6
9. Be2 Nd4
10. O-O-O Nxe2+
11. Ngxe2 Nh5
12. Qf2 e5
13. Ng3 Nxg3
14. hxg3 h5
15. a3 Bg4
16. Rde1 Bxc3
17. Bxc3 f6
18. d4 g5
19. dxe5 fxe5
20. Bxe5 Rxf2
21. c3 Rxg2
22. Ref1 h4
23. gxh4 gxh4
24. Bf6 Qd2+

So here the questions:
1. Why is move 18 by black g5? I can't spot any motive for that, it's puzzling me.
2. Is move 20 by whiteBxe5 a blunder or is there a reason he gives away his queen?
3. Why is move 21 by white c3? Why doesn't he move a rook to threaten black's queen?
4. Why does black take the g2 pawn in move 21? Why doesn't he move his queen to d2 right away? (that question goes for all the moves until he does)
5. Why does white move the rook to f1 on 22? why not d1?

Ok, loads of questions... thanks to whoever can answer them for me 😉

X
Cancerous Bus Crash

p^2.sin(phi)

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Originally posted by angie88
hi all!
I figured there are probably enough kind, good chess players with time on their hands to answer my simple questions.
Occasionally, I use a database (www.chesslab.com). It's not of much use though, since mostly I fail to see the motives behind moves made by professional players. I came across one game (random clicking, no reference to any of my gam ...[text shortened]... o f1 on 22? why not d1?

Ok, loads of questions... thanks to whoever can answer them for me 😉
In order:

1. 18. ... g5 isn't the right move. Qd6 seems better.
2. It's a blunder.
3. Not only does 21. c3 not threaten anything it allows a mate in two (which black misses 21. ... Qd2+ 22. Kb1 Qxb2🙄. Moving a rook to threaten the queen doesn't work. 21. Rd1 Bxd1 22. Rxd1 Qe8 and white has lost the exchange for nothing. The right move here is to resign.
4. Because black is an idiot.
5. My point about d1 earlier holds true here. Ref1 allows mate in two again. Which black misses again.

This game wasn't played by professional players under classical conditions. A lightning game perhaps?

a

omnipresent

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Originally posted by XanthosNZ
In order:

1. 18. ... g5 isn't the right move. Qd6 seems better.
2. It's a blunder.
3. Not only does 21. c3 not threaten anything it allows a mate in two (which black misses 21. ... Qd2+ 22. Kb1 Qxb2🙄. Moving a rook to threaten the queen doesn't work. 21. Rd1 Bxd1 22. Rxd1 Qe8 and white has lost the exchange for nothing. The right move here is to r ...[text shortened]... ame wasn't played by professional players under classical conditions. A lightning game perhaps?
Thanks a lot 🙂
why exactly is 18. Qd6 better?

And I just tried to find info on the players, but nothing comes up. beside the game, it says:
Haidar,R-Herron,D *0-1*1995*E Lansing ch-Ml clsUnr
unfortunately, I don't really know what all of it means...

X
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Originally posted by angie88
Thanks a lot 🙂
why exactly is 18. Qd6 better?

And I just tried to find info on the players, but nothing comes up. beside the game, it says:
Haidar,R-Herron,D *0-1*1995*E Lansing ch-Ml clsUnr
unfortunately, I don't really know what all of it means...
Compare:

18. ... Qd6 19. dxe5 fxe5 20. Qe3
to
18. ... g5 19. dxe5 fxe5 20. Qe3

In the first white threatens nothing as the d pawn is defended by the queen. Black still holds the f file and his queen is safe on d6 (thanks to the bishop attacking d1).

In the second white threatens the d pawn bringing the rook to d8 to defend it. This allows white to take the open f file with his rook and bear down on the king.

The information you gave me. First are the players of the game, white listed first. Then the result, a win to black. Then the year it was played. E Lansing is the location (It's in Michigan). The rest I'm not so sure about.

clsUnr perhaps means it was an unrated game. I'm not at all sure about ch-Ml.

I don't have this game in my database but do have 21 games by a Duncan Herron (no idea if it's the same person).

M

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Originally posted by angie88
Thanks a lot 🙂
why exactly is 18. Qd6 better?

And I just tried to find info on the players, but nothing comes up. beside the game, it says:
Haidar,R-Herron,D *0-1*1995*E Lansing ch-Ml clsUnr
unfortunately, I don't really know what all of it means...
18. ... g5 wasn't that good because it opens up the kingside, doesn't develop the backrow (Qd6 does leave the rooks connected for instance), doesn't threaten anything on the white king. After dxe fxe, white could have gained a tempo with Qc5 (instead of losing her).
Qd6 instead prevents also that maneuver.

But Qd6 isn't the only move. Black could have tried exd Bxd a5 and start an initiative.

I wouldn't concentrate ytoo much on this game, it was not well played by either side (for whatever reason: patzers, blitz, ...). 4.f3 is already a rather strange move.

a

omnipresent

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ok, cool. Thanks a lot guys 😀

L

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Wow this was a bad game lol 😛

But 18...Qd6 seems to lose to Bb4
So maybe 18...Exd4 or 18...Re8 is better...?

a

omnipresent

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Originally posted by LordOfTheChessboard
Wow this was a bad game lol 😛
my luck of course 😉

X
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p^2.sin(phi)

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Originally posted by LordOfTheChessboard
Wow this was a bad game lol 😛

But 18...Qd6 seems to lose to Bb4
So maybe 18...Exd4 or 18...Re8 is better...?
Nope.

18. ... Qd6 19. Bb4? Qxd4 20. Qxd4 exd4 21. Bxf8 Kxf8 and black is fine.

L

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Originally posted by XanthosNZ
Nope.

18. ... Qd6 19. Bb4? Qxd4 20. Qxd4 exd4 21. Bxf8 Kxf8 and black is fine.
uhm he loses material!?

You mean he still has drawing chances?

X
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Originally posted by LordOfTheChessboard
uhm he loses material!?

You mean he still has drawing chances?
White's bad pawn structure (doubled isolated pawns and an isolated pawn) and the extra pawn are enough compensation for the exchange. I call it even.

White would hold the advantage if dxe5 was played instead of Bb4. Hence I gave it a question mark.

no1marauder
Naturally Right

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The game was played in the Beginners section of the 1995 Michigan Class and M/E. Both players were rated around a 1000. http://www.uschess.org/msa/XtblMain.php?199501150440.6-20108630

a

omnipresent

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Originally posted by no1marauder
The game was played in the Beginners section of the 1995 Michigan Class and M/E. Both players were rated around a 1000. http://www.uschess.org/msa/XtblMain.php?199501150440.6-20108630
😳
well to my defense-I didn't really have a way of knowing... I just somehow assumed they wouldn't put beginner's games into a public database... just my luck again, that of all those games I had to pick that one 😕
But thx No1... how did ya find that info? Google wasn't much help to me when I looked.

no1marauder
Naturally Right

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Originally posted by angie88
😳
well to my defense-I didn't really have a way of knowing... I just somehow assumed they wouldn't put beginner's games into a public database... just my luck again, that of all those games I had to pick that one 😕
But thx No1... how did ya find that info? Google wasn't much help to me when I looked.
Since the game was played in the US, I assumed it was rated by the US Chess Federation. If you go to their website at http://www.uschess.org/ and then go to the Members section, you can do a search of a members name that will show you all the tournaments they've played in since 1991. I just entered "Haidar" and looked for someone from Michigan, then pulled his tourney history and there it was. Some day you'll even be able to pull up mine!

F
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London

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Originally posted by no1marauder
Since the game was played in the US, I assumed it was rated by the US Chess Federation. If you go to their website at http://www.uschess.org/ and then go to the Members section, you can do a search of a members name that will show you all the tournaments they've played in since 1991. I just entered "Haidar" and looked for someone from Michigan, then pulled his tourney history and there it was. Some day you'll even be able to pull up mine!
Well, you'll have to tell us your real name...or should we just ask for "the marauder"? 😉

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