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Aug-01-16 | | Prosperus: an example of Loyd's clearance |
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Aug-01-16 | | thegoodanarchist: Davtian was like Cher - he only needed one name. |
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Aug-01-16 | | thegoodanarchist: < Jamboree: This game was played in 1966, but one of the players is rated 2359. Problem is, that's impossible, as the Elo system was not even first instituted until 1970, and the first ratings weren't published until '71 or '72.> That rating may have been generated in the 1970s and then retroactively applied to the player in a number earlier games, by a cg.com editor. |
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Aug-01-16 | | zb2cr: 29. Rh8+ does the job. |
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Aug-01-16 | | thegoodanarchist: <So in games prior to 1970, the "rating" field should either be left blank, or replace the question marks with dashes or hyphens or something that indicates that the field is irrelevant for that game.> The standard is to use <NA> or <N/A> |
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Aug-01-16 | | alfiere nero: Why didn't Davtian take the bishop on 28 ...? |
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Aug-01-16 | | griga262: < alfiere nero: Why didn't Davtian take the bishop on 28 ...?> Not eager to lose the Queen, I would imagine. |
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Aug-01-16 | | YetAnotherAmateur: I love Mondays: 29. Rh8+ and whether black responds with Bxh8 or Kg7, 29. Qh7# |
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Aug-01-16 | | Aleman: You've clearly failed the puzzle if you went for RG7. Need to play more like a Grandmaster would. |
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Aug-01-16
 | | OhioChessFan: <alfiere> The Pawn on f7 is pinned. If Black takes the Bishop with that Pawn, the Rook on a7 will capture Black's Queen on c7. |
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Aug-01-16 | | TheTamale: This is why I'm not a fan of the Sicilian defense. Weaker players see that it's a favorite among grandmasters and play it uncritically. Here Black systematically sets up an inferior position until a winning White attack is inevitable. Granted, this is the opinion of a pretty weak player (me), but that's how I see it... |
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Aug-01-16
 | | anthro: I don't understand the comment about ELO ratings being instituted around 1970. I had a rating as early as 1964 and assume that it was an Elo rating. I certainly remember the name Arpad Elo from that time. This was in the U.S, and perhaps there weren't international Elo ratings until later. Or maybe there were changes at higher level than my Class B. |
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Aug-01-16
 | | perfidious: < anthro: I don't understand the comment about ELO ratings being instituted around 1970. I had a rating as early as 1964 and assume that it was an Elo rating. I certainly remember the name Arpad Elo from that time. This was in the U.S, and perhaps there weren't international Elo ratings until later. Or maybe there were changes at higher level than my Class B.> There were USCF ratings at all levels as far back as the early 1950s. |
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Aug-01-16 | | Chess Dad: This was very easy, even for a Monday, although I didn't get the game continuation, I got the "other" mate in two. And after finding mate-in-two, I didn't even look for another. |
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Aug-01-16 | | Once: There is a cute move a little before the puzzle position. Here is the board after 27...Bf6 with white to play... click for larger viewWhite has a thundering attack along the h file, but black is trying hard to cover all the entry squares. That's when white uncorked 28. Bxg6!  click for larger viewThe white bishop can be captured by the f pawn or the black knight, but both fall short. 28...fxg6 drops the queen on c7. 28...Nxg6 allows 29. Bxf6  click for larger viewAnd black has no way to prevent mate with Rg7+ or the unnecessarily flashy reloader starting with Rh8+. Fritzie prolongs the agony with pointless checks but black is stuffed. A well played finish. Enjoyed that. |
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Aug-01-16 | | JASAHA: If this is about ratings.... In our local club it has been seen that since most of the players are low ranked, it would take a lifetime to get a decent rating. Besides club ratings are often based on rapid games. A former junior in our club once placed high (2nd I believe) in the nationals with a club rating of about 1700. It was then determined that he was a 2200 player. A similar thing happen to myself. I then stopped playing competitively in the club and stuck to casual play. Got tired of playing people who couldn't play basic endgames. |
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Aug-01-16 | | YouRang: <Once> That is a cute move. It's easy to overlook moves that allow a sacrificed piece to be captured multiple ways. Assuming black did in fact overlook <28.Bxg6!>, I can understand why the game lasted for 28 moves. I'm not sure why it made it all the way to move 30. Perhaps a case where black, having been impressed, deliberately allowed white the pleasure of finishing with mate? Anyway, 28.? may show up as a future Tuesday puzzle. :-) |
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Aug-01-16 | | kevin86: The rook is sacrificed so that the queen can enter for a mate. |
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Aug-01-16
 | | GoldenKnight: <Jamboree: This game was played in 1966, but one of the players is rated 2359. Problem is, that's impossible, as the Elo system was not even first instituted until 1970, and the first ratings weren't published until '71 or '72. There were a couple of national ratings systems in place before 1970, but they weren't based on the Elo system.> You are technically correct, although I'm not sure about your dates. I played my last tournament in 1969. When I first got into tournament chess in 1964 here in the San Francisco Bay Area, there were two rating systems in Northern California: George Koltanowski's Chess Friends of Northern California (CFNC) rating system, and the USCF rating system (you would be asked what your USCF rating was back then). When you played in a tournament the USCF system was in effect only if you played in the Expert/Master section, and the CFNC system was in effect for all others. I remember when Professor Arpad Elo was first developing the rating system for USCF, and, when it was first published my rating went from 1730 (USCF) to 1733 (Elo). Very close. <So, chessgames should remove white's rating from the game score.> In view of the above, I'm inclined to disagree with you on this and pretty much the rest of your comments. The old USCF ratings are still more than a reasonable indicator of one's true rating. |
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Aug-01-16
 | | Dionysius1: I prefer Rh7+ and mate next move, but only on aesthetic grounds of course. I hope I'm not missing anything :-)) |
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Aug-01-16 | | BOSTER: < a little before the puzzle position>.
When white forces were aiming on the black king side, black should think not about attack on the queen side playing 22...a5,
but about the protection the weakness on h7.
So, 22...Rf8-e8 , and Nf8 . |
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Aug-01-16
 | | GoldenKnight: <anthro: I don't understand the comment about ELO ratings being instituted around 1970. I had a rating as early as 1964 and assume that it was an Elo rating. I certainly remember the name Arpad Elo from that time.> He was just starting his work around that time, probably more like 1966. Please read my note above. |
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Aug-01-16 | | King.Arthur.Brazil: Monday puzz, oh happy day! Two seconds and two movies win immediately, you choose: 29.Rg7+ or Rh8+ ...any, 30.Qh7#. |
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Aug-01-16 | | King.Arthur.Brazil: PS: Sometimes I'd like to have a verygood English to understand which magic makes our friend Crisowen write so much about too simple movies... is he in a brain storm? |
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Aug-01-16 | | Nullifidian: 29. ♖g7+ or ♖h8+ followed by mate with the queen on h7 next move. |
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