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|Feb-21-17|| ||OhioChessFan: <33.Rb8 threatens mate>|
Amazing how strong the h4 Pawn and e5 Knight are in tandem. That is a pattern to commit to memory.
|Feb-21-17|| ||OhioChessFan: <33.Rb8 threatens mate, so …Kh6 34.Rh8+ Rh7 35.Rxh7 Kxh7 36.Kf1>|
You were dead won, but 33. Rb8 Kh6 34. Rh8+ Rh7 35. Nf7+ is quicker because it gets the Knight to d6 with tempo. Maybe 35..Kg6 36. c7 Bb7 37. Rxh7 Kxh7 38. Nd6 forces the Pawn home without all the King wandering.
click for larger view
|Feb-21-17|| ||Dionysius1: Good point. Being dead won is nice, but precision is so nice to find - I wish I'd seen 35 Nf7+ . Your point about how well the pawn and the knight work together, plus keeping an eye on both attacks (in this case the passed pawn and the mating net) are things I will really learn from. Very good of you to look over it with me. Best wishes|
|Feb-21-17|| ||OhioChessFan: What opening was this?|
|Feb-21-17|| ||Dionysius1: Queen's Gambit with a twist that reminded me a bit of a Cambridge Springs. 1.d4 d5 2.c4 c6 3.Nc3 d6 4.nf3 nf6 5.Bf4 Ned7 6.e3 Qa5 at which point I thought that if I could stop Bb4 the pin wouldn't have much power and played 7. c5. I know about it relieving tension in the centre and so on, but I got a lot of dark square control, and after Queens were exchanged on c3 I had a nice semi open b file and advanced a4-5-6 which stockfish quite approved of when I ran the game through. As they say, it was a lot easier for me to play than for my opponent and he wasn't vigorous enough.|
|Feb-21-17|| ||Dionysius1: Heck for anyone who wants it: 1.d4 d5 2. c4 c6 3.Nc3 e6 4.Nf3 Nf6 5.Bf4 Ned7 6.e3 Qa5 7.c5 Ne4 8.Qc2 Nf6 9.Bd3 Nxc3 10.Qxc3 Qxc3 11.bxc3 Be7 12.0-0 0-0 13.Rfb1 h6 14.h3 g5 15.Bh2 Ne4 16.Bxe4 dxe4 17.Ne5 f5 18.a4 Kg7 19.a5 f4 20.a6 b7xa6 21.Nxc6 Bf6 22.exf4 gxf4 23.Bxf4 Rf7 24. Nb4 Bxd4 25.Bxh6+ Kxh6 26.cxd4 Rb8 27.Nc6 Rxb1 28 Rxb1 Rc7 29.Ne5 Bb7 30.g3 Bd5 31.h4 Kh5 32.c6 rg7 33.Rb8 Kh6 34. Rh8+ Rh7 35.Rxh7 Kxh7. 36.Kf1 a5 37.Ke1 Kg7 38.c7 Bb7 39.Nc4 a4 40.Kd1 Kf6 41.Nd6 Black resigns|
|Feb-25-17|| ||Dionysius1: Whether democracy is a political or moral principle matters to me because I wouldn't want a morally wrong decision to be made by a democratic vote and have people say it couldn't be morally wrong because it was the decision of the majority. "Vox populi, vox dei" - the voice of the people is the voice of god - is sometimes cited to express this kind of thinking. I wonder when the media talk about a "vox pop" piece - where they interview people in the street - are they claiming that the expression applies to the expression of those interviewed? Why would they use half the latin tag if they didn't mean the rest of it?|
|Feb-25-17|| ||diceman: <Dionysius1:
I wonder when the media talk about a "vox pop" piece - where they interview people in the street - are they claiming that the expression applies to the expression of those interviewed? Why would they use half the latin tag if they didn't mean the rest of it?>
Are we pretending media is intelligent?
<voice of god>
Reserved for interviews with government officials.
|Feb-25-17|| ||diceman: <Dionysius1: A thought on the long-running speculation about how the old champions would do against the current ones. Would they even want to play the way the game is today?>|
I think a better test is the players
of today going back in time, and doing it the hard way.
|Feb-26-17|| ||Dionysius1: Good idea. I assume you mean they're not allowed to bring their 21st century knowledge with them (otherwise they'd likely slaughter the opposition). So they'd need to go back and learn the moves, then the strategies and techniques with what instruction there was available (books, recorded games, etc) and use only what talent they had to make themselves better than the opposition. So then the only difference would be their innate talent. If they are allowed to bring that back with them it will be interesting to see whether that is greater than it would have been in the 19th century. Have our pattern recognition skills improved? No idea. Our memory skills? Probably not imo: they were probably more reliant on them and used to using them then.|
|Feb-26-17|| ||diceman: Yes,
Computers have supplied them some easy answers.
Back in the day,
you had to figure out why you won/lost,
and if it was even real.
You had to refute your own innovation.
<Have our pattern recognition skills improved?>
...or do we even have them?
They've tested chess players and found the have good recognition when it comes to "chessy" positions. When it comes to random pcs. scattered over the board
they do as well as nonchess players
For example: you can remember pawns at:
f2,g3,h2, as a "fianchetto" formation.
If they are at a8,d1,f6, you dont have a pattern to work with.
(not to mention "illegal" positions like a pawn at d1)
|Mar-01-17|| ||Dionysius1: Of course 9though I've only just thought of it, the patterns that are useful to chess players involve 4 dimensions, not just 3. I mean it's not very useful to remember positions, it's what happens next that makes the difference. I wonder whether the 100,000 (suspiciously round figure that it is) takes that into account. If the significance of each starting position for a combination is as the start of 4 moves, then the 100,000 positions might resolve to 25,000 combinations for example.|
|Mar-12-17|| ||Dionysius1: I persuaded a friend to try out a variation on chess which I've been interested in for a while. I think it might be the most minimal change possible, and yet it does make things very different and interesting. Set up the pieces exactly as you would at the beginning of any normal game, and then just change seats with your opponent. You still have the colour you had when you set the pieces up, you're just sitting further away from them, and as you develop your pieces/move your pawns, they're coming towards you, not going away. I'd be interested in reading of any impressions people have if they've played this way.|
|Mar-12-17|| ||Dionysius1: Yesterday I examined a game I played last week which I was confident I should win and I only drew. |
Looking over it with a machine was horrible, but effective. I spent about a day promising myself to give chess up. How can I play soundly one day and make that many mistakes the next?
Fortunately I've just heard Peter Svidler say on a chat with Jan that it takes strong nerves to look your games over with a computer.
To illustrate what I mean (in case other patzers would like to chuckle to themselves, or promise themselves not to make such bad mistakes in their own games, here's an example.I was black
1. e4 c5 2. Nf3 d6 3. d4 ed 4.Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7.0-0 Be7 8. Re1 0-0 9. f4 b5 10. Bb3 Re8 11.e5 de 12.fe Nd5 13. Nxe5 exd5 14. Kh1
click for larger view
Here as black I should have been looking out for back row checks that I could use. From the second whitle played 14. Kh1 I should have been thinking "Ahah - he can't get his K off the back rank, not with the pawns at g2 and h2". Instead I got absorbed in middle of the board pieces and whether I was in a lot of danger around d6 and f7 (According to Stockfish I was)...14... Bb7 15. c3 Nc6. 16. Nf5 Be8 17. Bxd5 Qd7 18.Nd6 Bxd6 19. exd6 Re1+ 20. Qxe1 Qe4
By now I'm over the worst, but ...
click for larger view
Now I missed 21...Na5
Garn! The game drizzled on to a BOC with me a pawn up and I couldn't win it.
|Mar-12-17|| ||diceman: <Dionysius1:
I'd be interested in reading of any impressions people have if they've played this way.>
When I studied chess, played over games. I always tried to view the game from the winning side, if possible.
I cant tell if it made any difference.
(You have no A/B comparison)
...but I cant see how it would hurt.
While that just deals with the mechanics of learning,
the best actual experience comes if you play the openings you face.
|Mar-12-17|| ||Dionysius1: Thanks <diceman>. I found it really strange. |
It's one thing playing over the moves sitting where your opponent would have sat. It's another one creating a game in actual combat while sitting in your opponent's seat. It was both the feeling of being "behind enemy lines" and having your own side coming at you that was hard to get used to.
I didn't feel tempted to move the black pieces I was sitting behind, but I did have to remind myself that when the pieces nearest to me were in trouble, I was doing well.
We didn't try with clocks - reaching over for the other button (we still have clockworks) would have felt too extra weird.
|Mar-17-17|| ||OhioChessFan: <A thought on the long-running speculation about how the old champions would do against the current ones. Would they even want to play the way the game is today?>|
19th century chess was a lot more fun. White initiates a Kingside attack, Black handles it or not, game over. Just as sports is getting too much into scientific method and numbers crunching, likewise chess. I think. I mean, sports and chess are games. Do we really have to analyze them to death? I guess so, because people want to win games, and that's how you do it, but a lot of the charm of the particular game is lost in the process.
As for 20th century players, I suspect Alekhine and probably Botvinnik would love to have engines available for analysis and would fit right in.
|Mar-17-17|| ||Dionysius1: I think you're right. For example I've been doing a fair bit of tactics training recently and getting better at it. But I'm getting too caught up in the analysis, and not having as much fun. |
I love those moments when I'm surprised to discover some nice tactic, but being told there is one and to find it is a bit like going back to school and doing homework. I suppose in short for me there's no substitute for playing another human being and sharing the pleasure.
I like your point about Botvinnik, but I wonder about Alekhine. I read somewhere that he could get shirty if someone pointed out where he'd gone wrong, and was a bit prone to making stuff up. He mightn't have liked the computers, which are no respecters of persons!
|Mar-17-17|| ||diceman: <OhioChessFan:
a lot of the charm of the particular game is lost in the process.>
The problem with everything.
Like computer graphics in movies, vs actors.
<As for 20th century players, I suspect Alekhine and probably Botvinnik would love to have engines available for analysis and would fit right in.>
Frank Marshall probably wouldn't.
|Mar-22-17|| ||Dionysius1: I've been playing a lot of tactical puzzles on http://chesstempo.com/chess-tactics... and found something that will probably help my chess a lot if I can make the change. |
Up to about 1650 Glicko (a bit like Elo), I was solving everything on the basis of spotting what looked like a pretty move and investigating it. That would either solve the problem or put me on the right track.
Above that I've gone from solving everything to solving almost nothing. The real solutions turn out to be the messy looking moves and feel unsatisfying.
And my motivation for doing the puzzles has fallen like a stone.
It looks like if I'm going to be successful beyond 1650 (which seems like average club player level) I'm going to have to either:
a. look for ugly moves and hope that I come to see the beauty in them that at the moment I need as my reward for the effort
b. Think of playing better chess as less than an aesthetic exercise and more of a sport where the pleasure of winning is my justification.
That's less attractive I must say. Any suggestions please?
|Mar-24-17|| ||diceman: I always hated problems.
Liked stuff like, “What's the Best Move” by Larry Evans.
More about general chess, vs finding a “shot.”
The “problem” is, you're told something is there,
so you are looking for it.
In a real game you don't know when a “shot” will unfold.
|Mar-24-17|| ||Dionysius1: Isn't the idea that over time by solving lots of puzzles we become sensitized to the kind of positions where they arise. I like the idea of being able to say to myself in a live game: "Now here's the kind of position I've seen in puzzles. I bet there's a winning move somewhere".|
|Mar-24-17|| ||tpstar: <Dionysius1> Tactics are the tools of chess, and the better tactician typically wins. Moreover, tactics and strategy go hand in hand; a good tactic can often overcome a bad strategy, while a good strategy can only rarely overcome a bad tactic.|
I advise advanced juniors to practice 10 puzzles per day, then 100 per day if they are preparing for a tournament. Yes this becomes "homework" but it is also a fundamental part of improvement. Just like athletes lift weights and jump rope even though it has nothing to do with their sport, we practice solving puzzles to stay sharp and learn pattern recognition. <diceman> makes the point that all chess puzzles are contrived by definition; you know "something's there" so your analysis tree starts with checks and forcing moves. A great way to improve is to find decisive games in this database without any kibitzing comments yet, then figure out why they resigned. If you are unsure, you could post, "I think White wins with 40. Rf7+" and see if anyone concurs, or others have simply asked, "What's the finish?" and someone will invariably answer.
Another great way to improve is through posting your games in your chessforum for advice and analysis, looking for improvements. From your last diagram:
click for larger view
21 ... Rd8 wins a piece as White has a weak back rank; 22. Bb3 Qd1+! mates, or 22. c4 bxc4 doesn't help. White would probably get one Pawn for the piece with 22. Bxf7+ Kxf7 23. Be3 and now you don't want 23 ... Qd1+?? 24. Rxd1 Rxd1+ 25. Bg1. A pin against a mate threat is called a Terminal Pin, so the Bd5 is pinned against the potential mate threat on d1.
You could study puzzles by theme (Mate, Fork, Pin, Skewer) as a teaching tool; my students and I prepare puzzle sets based on our own games. If you don't like knowing the motif first (e.g. "Knight Fork" is a giveaway), there are mixed bag sets where you aren't told what to find.
User: WTHarvey has thousands of free mixed bag puzzles on his site. Good luck. =)
|Mar-25-17|| ||diceman: <Dionysius1: Isn't the idea that over time by solving lots of puzzles we become sensitized to the kind of positions where they arise.>|
One thing you also need to take into consideration,
the openings you play.
I was a positional player. Played the English with white.
Most of the Frank Marshall's of my day told me I was
probably “missing” tactics by playing positionally.
However, when run through the computer, my pre-computer
games show that I didn't miss much.
Today ( for fun) I've played 1.e4, King's Gambit, Danish Gambit,
Evans Gambit, Vienna.
After 1d4 :The Blackmar–Diemer Gambit.
With black: Englund Gambit, Latvian Gambit, Elephant Gambit.
Not because I think these things are great, but to see what I missed.
It's funny, because I see all the tactics I missed playing the English.
E5 to e6 pawn advance. Qh5+ tactics. The weakness of g6
after f7/h7 pawn moves. All these are characteristic of open
Typically in the English my bishop goes to g2
by move 3 or 4. If black responds bg7 there will
be no Qh5 tactics because of the g6 pawn.
(assuming your e2 pawn has moved)
So “tactics” change. In the English they become more about the
|Mar-25-17|| ||diceman: <tpstar:
A pin against a mate threat is called a Terminal Pin>
Sounds like terminology a Doctor would use.
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