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| Jun-10-06 | | Milo: I had al wazir's finish. |
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| Jun-10-06 | | The17thPawn: Only my second Saturday ever. <Al Wazir> you were definitely in my head on this one. I had the Rd6+ line as my solution as well. I don't think its as pretty as Navara's solution but it works. |
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| Jun-10-06 | | drnooo: a series of forcing moves is a series of forcing moves: the rook check at d6 is just as good here, absolute stranglehold, once I saw that did not look further. Still it is odd that Fritz apparently did not look at the queen check leading to an even better finish. |
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| Jun-10-06 | | Fezzik: drnooo,
Fritz missed 31.Qf5? Did you have it looking for just one line? I could see a computer preferring 31.Rd6+ to 31.Qf5 because the former doesn't drop a piece (the materialistic @#$@#%!s that they are), but not to see it at all? That seems strange. |
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| Jun-10-06 | | cotdt: no, navarra's line works best. |
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| Jun-11-06 | | notyetagm: <Honza Cervenka: Another pretty game of Czech number one.> Yes, a brilliant win by Navara. I really like how this guy plays chess. I absolutely adore his victory over Svidler from the Olympiad. His winning move in that game is 40 ♖x♗! and if 40 ... ♕x♖?, then White (Navara) executes an exquisite mate in 5 using the queen and knight working perfectly together. Also, since Navara has had great league results (6/6 in the 4NCL!), someone on his forum said that Navara will be rated 2713(!) on the next rating list. |
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| Jun-16-06 | | Mameluk: From an interview with Czech olympionics: Which of your olympic games do you find your best? Navara: ´Maybe Navara-Kozul game, because I demonstrated great preparation and understanding, which happens seldom to me (mainly the preparation part). Mainly Zbynek Hracek is responsible, because he recommended this line to me.´ This game is not only about final combination, but even analyzing with Fritz, Navara´s game looks flawless. And Kozul played this line already few times. |
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| Jun-16-06 | | euripides: <Mameluk> yes, this was the line that helped Kozul win the European championship this year. Navara's calm play reminds me of Leko's better games against the Sicilian. |
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| Jun-21-06 | | patzer2: White initiates the first of three sham sacrifices with 29. Rxe5+! to force the King into position for a mating attack. In the final position, it's mate after 31...Kxg7 32. Qg5+ Kf8 33. Rd8#. |
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| Jul-01-06 | | hesyrett: The position after 30...Kxf6 appeared in Shelby Lyman's syndicated chess column on Friday, June 30, 2006. Not having seen the game, I went for 31. Rd6+ because it either wins the Queen or mates. Note that Black can't retake the Knight after 31. Rd6+ Qe6 32. Nxe6 on account of mate in two. But 31. Qf5+, though less convincing, persuaded Kozul to resign! |
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Jul-02-24
 | | PawnSac: Well, I guess I'm the first here for the puzzle of the day. Just posted I guess. |
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Jul-02-24
 | | takebackok: First found 31. Rd6+ Ke7 32. Nf5+ & mate next, the weak back rank then led to 31. Qf5+ "can't touch this" knight or 32. Qg5+ & mate next. So black has to kiss queen bye and the game. |
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| Jul-02-24 | | Mayankk: My solution was 31 Rd6+ Ke7 32 Nf5+ Ke8 33 Qg8# ( 32 ... Kf8 33 Rd8#). Was the Queen sac (31 Qf5+) simply a complex solution to an easy puzzle ? |
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| Jul-02-24 | | Allderdice83: 31. Ne8+ is a clear win, though not as efficient as the text. I admit I totally didn't see, after 31. Qf5+ Kxf7, that 32. Qg5+ was mate next move. Ugh. However, after 31. Ne8+ Ke7 (only move) 32. Qg5+ Kf8 (or 32 ... Ke6? 33. Qf6#, 32 ... Kxe8? 33. R(or Q) d8#, or 32 ... f6? 33. Qxf6+ Kxe8 34. Rd8#), White can simply take the rook with 33. Nxc7, eliminating the threat on c2 and threatening Rd8#. Black's only defense is to give up the queen with 33 ... Qxc7 34. Rd8+ Qxd8 35. Qxd8, and White has an easy win with Q vs. R. |
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| Jul-02-24 | | King.Arthur.Brazil: Seems easy, but OTB I don't know if one has pacience to find this: 31. Rd6+ Ke7 32. Nf5+ Kf8 33. Rd8#. |
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| Jul-02-24 | | mel gibson: I chose 31. Ne8+
Black is crushed in many lines.
Stockfish 16.1 says:
31. Qf5+ (31. Qf5+ (1.Qf5+ Ke7 2.Qxe5+ Qe6 3.Nf5+ Ke8 4.Qxc7 Qxa2+ 5.Kxa2 b3+ 6.cxb3 Kf8
7.Rd8+) +M7/131 12)
White wins_ mate in 7.
If I force SF to follow my choice:
31. Ne8+
(31. Ne8+ Ke7 (1. ... Ke7 2.Qg5+ Kf8 3.Nxc7 Qxc7 4.Rd8+ Qxd8 5.Qxd8+ Kg7 6.Qxa5 Kf6
7.Qxb4 Rxh2 8.Qd6+ Kf5 9.Qd3+ Kf6 10.a4 Ke7 11.Qd5 Rh1+ 12.Ka2 f6 13.a5 Rh4
14.Qc6 Rd4 15.a6 Rd6 16.Qxd6+ Kxd6 17.a7 e4 18.a8Q Ke5 19.Qb8+ Kd5 20.Qf4
Kd4 21.Qxf6+ Kd5 22.Qe7 e3 23.Qxe3 Kd6 24.Qe4 Kc5 25.Qe5+ Kc6 26.b4 Kb7
27.Qc5 Ka8 28.Qe7 Kb8 29.Qf7 Kc8 30.b5 Kb8 31.b6) -M31/50 646) White wins _ mate in 31.
I also tested another line.
31. Rd6+
(31. Rd6+ Qe6 (1. ... Qe6 2.Nxe6 Ke7 3.Ra6 Rd7 4.Ng7 Rh5 5.Nxh5 Kd8 6.Ra8+ Ke7
7.Qg5+ Ke6 8.Qf6+ Kd5 9.Rxa5+ Kd4 10.Qxe5+ Kc4 11.b3+) -M10/85 29) White wins _ mate in 10. |
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| Jul-02-24 | | whiteshark: <31.Qf5+!>, and that's it. |
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| Jul-02-24 | | TheaN: I'd say both 31.Qf5+ and <31.Rd6+> count today, given this is #6 vs #10 with best play. In both cases Black will have to play Qe6 soon (on the former the second move, the latter the direct answer) to prevent even quicker mates, and that just surrenders ♕:♘ so both would lead to resignation. |
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Jul-02-24
 | | Teyss: Hi Mayankk & King.Arthur.Brazil,
I also went for the same line 31.Rd6+ but looking at Black's different defences saw he could interpose 31...Qe6 32.Nxe6 fxe6 after which I just thought "Done." 
click for larger view I completely missed the mate in 3 that follows: 33.Qxe6+ Kg5 34.Qxe5+ Kg4 35.Rd4# or 33...Kg7 34.Qf6+ Kg8 35.Rd8# Hence Black cannot take the Knight after which the material imbalance is even bigger and SF says it's #9. But the best solution remains 31.Qf5+ which is #6 instead of 31.Rd6+ which is #10. |
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Jul-02-24
| | Teyss: Hi TheaN,
We posted at the same time, I wasn't trying to make a "better" post than yours, which would be difficult generally speaking ;-) |
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| Jul-02-24 | | saturn2: 31.Rd6 Ke7 (Qe6 I dont discuss) 32. Nf5+ mate soon |
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Jul-02-24
 | | chrisowen: Laps to dim q chunky Qf5 glock hoh adagio nug bid Qf5 bah x |
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| Jul-02-24 | | King.Arthur.Brazil: Hi Tess. You are right, as usual, however let me tell that I didn't see Qe6+ either, I was playing 33. Rxe6+ Kf7 34. Qg6+ Kf8 35. Re8# which is direct. Indeed, I check out the solution, or SF lines or others persons commentary, but never feel bad to miss the solution. And maybe I never did a 5/7's week, or more, nor intend to. As heading to 70y soon, I feel good to reach one solution, even if is not the "best", although sometimes I criticize some game moves. For me, it is my pleasure to be with CG everyday and talking to you. That's it. |
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| Jul-02-24 | | alshatranji: What was Black thinking with 27...Ke7? It seems like suicide. |
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| Jul-03-24 | | FM David H. Levin: <alshatranji: What was Black thinking with 27...Ke7? It seems like suicide.> Perhaps Black felt that he'd simply suffocate if White were given time to play 28.Qf3 and 29.g4, and that Black therefore gambled that White wouldn't find the game's 29.Rxe5+, without which I believe the piece would be won back (owing to the overload of White's queen after 28...Qc4) and Black's survival chances might improve a tiny bit. |
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sac: 29.Rxe5+
