Riku Haataja vs T de Vos (1988)

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Riku Haataja vs T de Vos
EUR corr (1988) (correspondence)
King's Gambit: Accepted. Hanstein Gambit (C38) · 1-0

ANALYSIS [x]

FEN COPIED

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sac: 28.Rxa7	PGN: download \| view \| print	Help: general \| java-troubleshooting

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Mar-27-06		shaikh123: too easy to spot.

Mar-27-06		Capa15: 29. ... Kb8 30. Qa2

Mar-27-06		Ashram64: Rxa7 ...Qa2+ Qa8mate or use the rook

Mar-27-06		rya: fischer really didn't see that fight as hopeless. Fun puzzle, most of you that have been here for a while notice that you get better and better at these puzzles, seeing mating nets, traps, and sacs a hell of a lot easier than when you (and of course I) started. Just a thought next time you're compelled to bash a puzzle you once couldn't have solved if you had all day. And might I add "Omfg too ez get a better puzzle CG! LOL!!!111"

Mar-27-06		yataturk: saw it in the wiggle of an ear..

Mar-27-06		VinnyRoo2002: After 29...Qa6, where's the win? BTW, your analysis is incorrect ashram, Qa8 isn't mate. And I'm assuming you mean 29. Qa2+ instead of Ra1 check, in which case I think 29...Qa6 is winning for black.

Mar-27-06		Infohunter: This one practically played itself. Nice to have a break, though; hence, good choice for a Monday puzzle.

Mar-27-06		ReikiMaster: 29.Qa2+? Qa6.

Mar-27-06		yataturk: <VinnyRoo2002: After 29...Qa6, where's the win?> Qa2 is played at some point after RxQ

Mar-27-06		kevin86: Am I missing something? If 29...♔b8 30 ♖a8+ ♔c7 31 ♖xc8 ♖xc8 and black has two rooks for the queen!

Mar-27-06		yataturk: <kevin86: Am I missing something? > 31 Ra7+ i think

Mar-27-06		inad: Kevin: 32. Bb7 wins for white

Mar-27-06		crafty: 29. ... ♔b8 30. ♕a2 ♗e3+ 31. ♔h1 ♕b7 32. ♗xb7 ♔c7 33. ♕a7 ♖a8 34. ♗xa8+ ♔c8 35. ♕b7+ ♔d8 36. ♕e7+ ♔c8 37. ♗b7+ ♔b8 38. ♖a8# (eval Mat09; depth 11 ply; 250M nodes)

Mar-27-06		steamengine: If 29...Kb8, then 30. Qa2 Qb7 31. Bxb7 Kxb7 32. Qa7+ Kc6 (or Kc8) 33. Qxf7, and white has all these connected passed pawns, and is also a little up in material. I think this is the best for black. If 30. ... Qa6, then after RxQ and KxR, and Qa2+, the white Q will go to b7 and checkmate the black king.

Mar-27-06		inad: crafty: can you do the 29. ... Qa6 variation

Mar-27-06		dzechiel: <VinnyRoo2002> After 29...Qa6 comes 30 Rxa6+ Kxa6 31 Qa2+ Kb5 32 Qb2+ Ka5 (32...Ka4 33 Qb4#) 33 Qb4+ Ka6 34 Qa4#.

Mar-27-06		Fezzik: The final position in this game is more difficult than the starting position in the Geller-Kapengut problem from yesterday! This was a correspondence game, and the tactics in these types of games are notoriously tricky. First of all, after 29...Qa6 30.Ra6+ Ka6 31.Qa2+ Kb5 32.Qb2+ eventually leads to mate either with Qb4# or Qa5#, depending on how Black wants to end the game. Secondly... (and this is much more difficult to work out all the way to mate) White has a clear win after 29...Kb8: 29...Kb8 30.Ra8+ Kc7 31.Rxc8+ Rxc8 32.Bb7! doesn't really threaten the rook so much as the mate (Qc6+ followed most likely by a mate on e7!). All of this is much harder to visualize than the variations in the Geller game from yesterday. In that game, the great difficulty was finding the key move. Here, the challenge was to realise the power of the queen. This is a very cool position that I will use with my students!

Mar-27-06		crafty: 29...♕a6 30. ♖xa6+ ♔xa6 31. ♕a2+ ♔b5 32. ♕b2+ ♔a6 33. ♕a3+ ♔b5 34. ♕b4+ ♔a6 35. ♕a4# (eval Mat06; depth 11 ply; 10M nodes)

Mar-27-06		chessgames.com: This puzzle proved to be just a little more intricate than we had first imagined, but like Infohunter said, it plays itself out.

Mar-27-06		Fezzik: Mea culpa! I said in the 29...Qa6 line that White mates on a5 or b5. I should have said a4 or b5. This is all far more complex than Sunday's puzzle. I love it though!

Mar-27-06		Fezzik: User: chessgames.com Thank you, chessgames.com, for giving us such a variety of games to ponder! It's very difficult to keep coming up with interesting positions, and even more difficult to try to rate them in order of difficulty. Overall, you do a fantastic job! Keep it up, PLEASE!

Mar-27-06		DP12: I agree with Fezzik's line although I should add that black might play 31...K:c8 but 32.Qa2 should win. I also thought that 30.Ra8+ Kc7 31. Ra7+ Kb8 Qa2 is also winning for white.

Mar-27-06		chesstoplay: dzechiel has it. The trick is to use the White Queen back and forth on the a and b files until Black is mated. CT art is a good training program for these basic problems that always show up on Monday and Tuesday. I still have not gotten a complete week in a row yet. The weeks when I get a Sunday but missed, say a Wednesday, make me want to do more chess. Chess is special that way, win or lose, I want to still do more chess.

Mar-27-06		Cogano: Thanks to you <cg.com> I must be learning quite a bit as I immediately saw the move & its follow-up moves. I'm really happy at my progress. Now if only I'd get better with Saturday & Sunday puzzles too. Thank you <cg.com>. Most obliged to you. :)

Mar-27-06		chesstoplay: My thanks, too, cg.com. I love your site and recommend it to all my players. I especially like that you actually communicate with us. Keep up the great work creating more chess interest.

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