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Feb-22-05
 | | An Englishman: Good Evening: Seraph88, I think Swiderski outplayed Marshall for much of the game. How often have you seen Marshall lagging so far behind in development? Even toward the end, a Queen & Knight are usually better than Queen & Bishop--especially with those weak Queen side pawns. But Marshall always seemed to have a trick or two up his sleeve. |
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| Feb-22-05 | | mrvocab: The position Black finds his knight in is called "tsuji," which is Japanese for "good move." Usually, in a tsuji position, the knight is on an edge square, like d1 in this game, and an opposing bishop is three squares away, on a square of the opposing color. Here, bishop on d4 would be a pure tsuji. The bishop alone ties down the knight by covering b2, c3, e3, and f2. Since White's bishop can't move to d4, and since the King covers e3 and f2, it is sufficient for the bishop to cover b2 and c3 by advancing the c-pawn. I believe the term "tsuji" is borrowed from Shogi, the Japanese chess variant. |
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| Feb-22-05 | | soberknight: Problem composers call the trapping of a piece "Domination." |
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| Feb-22-05 | | be3292: Gee <mrvocab>, I lived in Japan for a year, and I thought that tsuji meant when you run for the back door because the husband is coming in the front door, and you discover there is no back door. Tsuji! |
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| Feb-22-05 | | erikcu: Welcome to the OK coral. I was looking for a total coral with the bishop at first, but then realized that the king could just take that knight. I'm glad this was a bit easier than yesterday's. |
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| Feb-22-05 | | erikcu: Yeah, wow I just looked at the whole game. What a sucker punch. What is that term for getting hung by your own rope? |
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| Feb-22-05 | | Backward Development: Yeah, too bad I recognize this one from "Combinations: The Heart of Chess."
A Classic example of "A Sting in The Tail" |
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| Feb-22-05 | | your brilliance: <ericku> Perhaps the term you seek is "hoist by his own petard." A petard was an explosive filled metal cone attached to city walls and gates to bring them down. If you got stuck on your own petard in the process of attaching it to the enemy's gates, you were indeed in deep yogurt! |
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| Feb-22-05 | | Nickisimo: That really stinks when you think you have a clever tactic only to realize that it didn't quite work out the way you'd hoped. Poor Swiderski. |
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| Feb-22-05 | | MoonlitKnight: The notation on move 28 could have read "Set a trap which my opponent fell into." |
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| Feb-22-05 | | EyesofBlue: Stop the world I want to get off.... actually got one right. |
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| Feb-22-05 | | Shubes82: I have seen a decent amount of position like this, involving the knight venturing to the edge of the board to grab a piece. It is usually against 1700 rated players or less, as they fail to calculate far enough to see exactly how things will turn out. My advice would be careful calculation when attempting any manuever than puts a knight at any edge of the baord, epecially deep in enemy territory. I expected better from Swiderski! |
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Feb-22-05
 | | kevin86: There is an endgame trap where a bishop can completely lock in a knight:When the knight is on a side square-and the bishop is three squares away,the bishop can guard all 4 of the knights possible move eg. d4-opposing  a4 or d1This game is a variation of the theme.
It looks like blacks calvary flew into a piece of flypaper-how's that for a mixed metaphor? |
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| Feb-22-05 | | Seraphina: In this case it seemed fairly "obvious". Of course, there are GMs who simply stop calculating far enough (I think there is a Timman-Karpov game with that theme in it)... Anyway, Schues, Swiderski has had time now to mull over his error! |
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Feb-22-05
 | | notyetagm: 32 c4 and 33  e2 and the trapped knight goes bye-bye. |
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Feb-22-05
| | notyetagm: <You've got to be really careful when you leave a knight at the edge of the board or with no retreat at the end of a tactical sequence.> If the knight gets trapped, then you may end up losing material. Marshall's opponent thinks he has won a pawn but ends losing a knight, not a good trade. |
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| Feb-22-05 | | MindlessOne: such a simple endgame idea. This one was almost too easy |
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| Feb-22-05 | | sinthetiq: neat trap! |
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| Feb-22-05 | | aw1988: <Looks like Swideski calculated exactly 3 moves deep before deciding on 29. Qxg2+.> I couldn't agree more. |
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Feb-22-05
 | | beenthere240: After Marshall's simplification beginninng with 26. Rbd1, black suddenly finds himself in a tricky situation after 29. Qxd1. White threatens mate a backrow mate and black's knight is loose.
29. ...h6 drops the knight to 30. Qd8+ and31 Q-d3.
29....Qc8 protects everything, but after 30. Qa4, the knight has to retreat and black's hope for a win looks bleak.
29. Q-e8 isn't very pretty, either, eg 30. Qe2 threatening the knight and black's queen. Of course both these queen moves are better than 29....Qg2+, but I think I can understand how black, who must have been hoping for a win, went wrong. |
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| Feb-22-05 | | DP12: To say he calculated three moves is a bit oversimplification sometimes we just overlook some simple move in the middle of our long sequence after all I doubt he was not worried about the knight and was probably was thinking something deep like Nxd1 Ke2 Nb2 Bb8 a6 Ba7 etc. He was satisfied in this line and then stopped thinking about white's other moves. |
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Feb-22-05
| | beenthere240: As I look into the position, I'm not sure that black isn't losing anyway. If 29....Qc8, 30 Qb3 is a better idea than in my previous post since it forces 30....Nxd5, which gives white a dominating position assuring at least a draw. |
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| Feb-26-06 | | LluviaSean: Oh wow...the knight got schooled!! |
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| Jul-29-09 | | WhiteRook48: 29...Qxg2+
looks like he didn't know "a knight on the rim is grim" |
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| Jan-09-10 | | bengalcat47: Looks like this could be another example of a Marshall "swindle!" |
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sac: 28.Rd1