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| Dec-15-09 | | Patriot: Using the "push/pull" method that <Once> referred to, I quickly saw that Rxh3+ is winning. It's interesting how many kibitzers failed to see that after 39...Qxf1+ 40.Qg1 is check and that 40...Qh3+ is illegal. I didn't realize 40.Qg1 was check either, but was only thinking black can simply trade down with 40...Qxg1+ 41.Kxg1 Nf3+ 42.Kf1 Nxe1 43.Kxe1 Kf6 and so I didn't fall for the 40...Qh3+ line. It seems that a check is hard to see whenever it involves interposing a piece to block a check. Likewise it isn't always easy to see that a defensive move creates it's own threats. |
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Dec-15-09
 | | doubledrooks: Like <Patriot>, I too missed that after 37...Rxh3+ 38. gxh3 Qxh3+ 39. Qh2 Qxf1+ 40. Qg1 is check, but I avoided the illegal 40...Qh3+ line and went for 40...Qxg1+ 41. Kxg1 Nf3+ 42. Kf2 Nxe1  . |
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| Dec-15-09 | | CHESSTTCAMPS: I noticed that 40.Qg1 was check when I worked out the solution but I forgot to include the + when I wrote it out. |
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| Dec-15-09 | | kevin86: I saw the rook sac in a shot. White must lose his queen for a rook or get mated. |
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| Dec-15-09 | | DarthStapler: Got it |
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| Dec-15-09 | | chesskidnate: you know black still wins but if you were white youre best chance would probably be hoping your opponent miscalculates and plays this line on the minor piece exchange 41... Nf3+ 42Kh1(youre gonna lose this game but if you wish you can play 42Kf1) Nxe1 43 c5 and hope youre opponents knight chases after the pawn or he plays Nf3 44c6 e3(Ne5?? 45 c7 and white wins) 45. c7 e2 46c8=Q e1=Q+ and hope that the queen gives you some counterplay and if your opponent chases your c pawn with their knight it will queen however of course chasing it with the king ensures black the win. also if 42.Kf1 Nxe1 43. c5 Nf3(Nd6?? c6 and the knight cant stop the pawn) 44 c6 Nd2+ 45 K moves Nc4 46 c7 Nb6 stops the pawn and of course again if the king chases the pawn its game over but it is probably better for white to try one of these lines rather than wait to die in the K+P endgame since if black messes up white wins or black can play a line that at least puts Qs back on the board |
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| Dec-15-09 | | YouRang: Solved quickly. Very often the puzzle is about forcing your opponent into a position where a winning tactic may be employed (skewer, pin, fork, etc.) Today's tactic is an all-time favorite -- the K+Q knight fork, and it is brought to you by the rook sac, <37...Rxh3+>! Of course, it then goes: 38.gxh3 Qxh3+ 39.Kg1, setting up the fork, 39...Ne2+  . |
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Dec-15-09
 | | Domdaniel: I'd like to see some research into the merits of looking at a position on a 3-D chessboard versus a 2-D computer screen (or printed diagram). I'm not talking about moving pieces around -- just visual calculation. There have been comments here sometimes about problems getting easier to solve if set up on the board. On a screen or diagram, especially in a sequence of captures, I sometimes mix up colors, like plan to capture a white pawn with a white queen. I'd never do that on a board. But on a board it's easier for a piece to be 'hidden' - a pawn lurking invisibly behind a queen, or a forgotten bishop on a distant square. Sometimes a ♗ can even look like a ♙. They've done lots of research into chessplayer memory and pattern recognition. This would be an interesting area too, IMO. |
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| Dec-15-09 | | cyclon: 37. -Rxh3+ 38.gxh3 (Kg1 Ne2+) Qxh3+ 39.Qh2 Qxf1+ 40.Qg1+ QxQ+ 41.KxQ Nf3+ 42.K- NxB 43.KxN Kf6, cufflinks. |
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| Dec-15-09 | | Halldor: I saw the fork pattern, but my line was 37... Rxh3+ 38 gxh3 Qxh3+ 39 Qh2 QxR+ 40.Qg1+, and now Black has won two pawns and can exchange Queens with an easy won endgame. |
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| Dec-15-09 | | desiobu: Rxh3+ trading into a winning endgame. |
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| Dec-15-09 | | David2009: Tuesday's puzzle E Gerigk vs H Teske, 2009 Black 37...? Black liquidates into a won ending with 37...Rxh3+ 38 gxh3 Qxh3+ 39 Qh2 Qxf1+ 40 Qg1 Qxg1+ 41 Kxg1 Nf3+ followed by Nxe1 and a won Pawn ending.
Time to check:
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A well-judged resignation. Unlike yesterday there is no wriggle room.
Like others, I did not spot that Qg1 is CHECK = luckily it doeesn't matter. |
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| Dec-15-09 | | BOSTER: No doubt that solving chess puzzles helps develop our visualisation, but this is not enough.
Deciding ONLY these puzzles this is the same like to read a last page of the interesting thrilling story.
Deciding ONLY these puzzles this is the same like to come in the theatre couple minutes before the end of the performance, or to come to the party when all have already left it. <CG> is really the huge, beautiful site and gives us a lot of possibilities.
But, my opinion, we are missing such opportunity.
I read yesterday all coments. <CG> represented the short game. Only 20 moves. Nobody! didn't ask: what was the mistake in this game? This is only a few moves after the opening. Maybe discussing all game we can improve our chess skill much more.
Are we really so ignorant and arrogant in chess? We are not the kids, they are very curious. We look like tired, retired people, and only any joke or funny story has a meaning for us, and most of us are happy to announce:"I have 6/7 this week". |
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Dec-15-09
 | | Once: <Domdaniel> Interesting thought. I read somewhere that the best way to practise at home is to get yourself exactly the same kind of board and pieces that you play with in the club, in tournaments, etc. Same size, pattern, colour, weight, etc. That way, your mind is more likely to accept new patterns and spot old ones. Of course, the flip side of this is that some GMs get so used to looking at a 2D set that they like to look at the 2D exhibition board in matches, even when they have a real set right in front of them. But the worst compromise of all for me is when chess software tries to do a 3D set. It may be old age, but I just can't get on with that sort of forced 3D. |
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Dec-15-09
| | Once: <BOSTER> A very valid point. The puzzles of the day do represent the final stage of a game - the conclusion to an attack. If we looked at nothing else we would get a very strange impression of chess. It would be a bit like a Hollywood version of reality. In the movies, every bullet fired by the hero hits something, and every shot fired at the hero misses (or only hits a shoulder). And every time a car pulls up at a building, there is always a parking space available. The same goes for puzzles of the day. With the rare exception of the occasional spoiler, every position contains a combination and every combination works, usually in spectacular style - eg a Monday queen sac. Real life ain't like that. But to be fair to the regular kibbitzers, the puzzle of the day is usually treated as just that ... a puzzle to be solved from the starting position onwards. If you want to see discussion of the other stages of a game, have a look at the Game of the Day instead (or as well), when the conversation tends to be more wide-ranging. Or... why not start a conversation topic of your own about a particular game? Just ask the question "where did black/ white go wrong in this game?" and I'm sure that you'll get a response. Or form your own opinion and see if others agree or disagree. After all, this site is what we make it. A few years ago, we were heavily into "First!" and "Got it in a nanosecond." We've moved on a fair way since then, but who's to say there isn't more room for growth? |
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Dec-15-09
 | | eternaloptimist: This is an easy tactic indeed starting w/ 37... ♖xh3+ to set up the ♘ fork. I solved it almost immediately. |
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| Dec-15-09 | | whiteshark: 2/2 and I feel that this is going to be my first 7/7 week. Well, 4/4 would break my personal record already. :D |
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| Dec-15-09 | | Patriot: <BOSTER> I agree with you in many ways. It can be very useful to at least go back a move or more before the puzzle position and look at the position from the other player's viewpoint. This is because puzzles present winning (sometimes drawing) combinations from an offensive viewpoint, whereas in an actual game tactics are used mostly for defense in determining whether a candidate you're considering is safe or not. However I don't think it's practical to discuss entire games on here and whether move A is better than B on move 12, and move 13, and all the way to move 40. That could amount to an entire book! But I do think it's a good idea to go back before the puzzle position and try to figure out what move was best and whether it also fails to a combination. I know exactly what you mean about jokes and stories--not that I'm against them--but it seems that a lot of people that I've run across need something entertaining to keep them interested, much like kids. Personally I prefer looking at puzzles as a learning experience and I don't need anything entertaining to do it. If I fail to solve a puzzle I ask myself "Why did I miss the winning move?" and take it as a serious lesson. This is sort of a "scientific" approach into my own thought process and how to fix it. Fixing one's own thought process has the potential of increasing your rating by hundreds of points. About arrogance...I feel this is one thing that holds most players back! Instead of taking good advice, they prefer to scrutinize GM's or any player stronger than them because it gives them a sense of superiority, as delusional as it is. In order to improve you must first check your ego at the door. |
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| Dec-15-09 | | dzechiel: <Once: ... Our opponent, who statistically has probably never seen a semi-naked woman ...> Hey! I represent that comment! |
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| Dec-15-09 | | Marmot PFL: <There have been comments here sometimes about problems getting easier to solve if set up on the board.> For me that was true once. Now it's been so long since i played OTB I might have forgot how to set up the pieces. |
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| Dec-15-09 | | YouRang: <Domdaniel> I recall that I used to have a terrible time visualizing 2D board diagrams correctly. But now, after having worked with them it for several years, it feels much more natural (in fact, I seldom see a real board anymore). So, it's just a matter of acclimation, IMO. |
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| Dec-15-09 | | WhiteRook48: 37...Rxg3
make the tuesday puzzles harder |
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| Dec-15-09 | | Tifeon: 37...Rxh3+ 38. gxh3 Qxh3+ 39. Qh2 Qxf1+ 40. Qg1+ Qxg1+ 41. Kxg1 Nf3+ 42. Kf1 Nxe1 43. Kxe1 Kf6 and Black wins pawn ending with ease. Yeah, it's more like Monday puzzle, because White's piece setup simply forces Black to do something forcing, or he will be under constant check from White Queen. |
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| Dec-15-09 | | turbo231: Finally a easy puzzle. |
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| Dec-16-09 | | patzer2: For the Tuesday December 15, 2009 puzzle solution, 37...Rxh3+! demolishes the White kingside pawns and simplifies to a won King and Pawn endgame. |
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