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Later Kibitzing> |
| Apr-23-17 | | morfishine: Not much insanity going on here, just one strong move <22...Rxg2+> followed up by an even stronger move <23...Qe8> Very nice (and elegant as described by <Jonathan Sarfati>) ***** |
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| Apr-23-17 | | Walter Glattke: I have no FRITZ, but 23.-Qd5+ 24.f3! c5
25.Rf1 seems senseless. 25.-cxd4 26.Rxc8+ Bxc8 27.Qxd4 Qxa2? 28.Qxg7# |
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| Apr-23-17 | | 1stboard: Walter , thanks , missed f3 ..... |
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| Apr-23-17 | | 5hrsolver: <al wazir: Surely 29. Qc6 (to stop the black ♗ from occupying the long diagonal) would have made black's task harder. (If 29...Rd2, then 30. Qa8+ wins the ♗.)> If 29.Qc6 Then 29..Bd3 30.f3 Be4! 31.fe4 Rd2+ checkmates. |
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| Apr-23-17 | | Cheapo by the Dozen: I missed the ... Qe8 double threat. Absent seeing that, I'd have tried something with ... b5 and ... c5, using the kingside threats to recover to get to a position with equal material, a space advantage, and a nice pawn structure on the queenside plus some remaining kingside pressure. |
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| Apr-23-17 | | Walter Glattke: To the question of cheap of the dozen I found 22.-Kf7 23.Ng3 Qh8 25.h3 Bh4 26.Kh2 Bxg3+ 27.fxg3 Rh6 28.Rc3, and white will win Pc6 and match then. Only 22.-Rxg2+ 23.Kxg2 Qe8 helps. |
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| Apr-23-17 | | Walter Glattke: 28.h4 |
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| Apr-23-17 | | Walter Glattke: "B4" was 23.-c5+ 24.d5 Qxh5 25.e4 Qg4+ 26.Kh1, threatens d6 or Rg1 |
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Apr-23-17
 | | Jimfromprovidence: Side puzzle:
After the text 28...Rd8, white cannot play 29 Qc6 below. 
click for larger view However, if black had tried 27...Rd8, 28 Qxc6 is perfectly acceptable. 
click for larger viewExplain the difference in the two positions. |
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Apr-23-17
 | | Breunor: Jim,
Nice puzzle, but I think the post above by 5Hrsolver gives it away! The first case can finish with Rd2 while the second one can't. (I never would have gotten this on my own.) |
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Apr-23-17
| | Jimfromprovidence: <Breunor> <Jim, Nice puzzle, but I think the post above by <5Hrsolver> gives it away! The first case can finish with Rd2 while the second one can't. (I never would have gotten this on my own.)> I completely overlooked his post. Yeah, the opening up of the d file allows mate as <5Hrsolver> noted, or loses the queen in order to stop the mate. |
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| Apr-23-17 | | devere: After 26.Qd7 in the game, an easier win is 26...Qg4+ 27.Kh1 Qf3+ 28. Kg1 Bh4 
click for larger view |
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| Apr-23-17 | | ChessHigherCat: <devere: After 26.Qd7 in the game, an easier win is 26...Qg4+ 27.Kh1 Qf3+ 28. Kg1 Bh4> Hi Devere, did you look at the variations with 27. Kf1 instead of Kh1 and 28. Qxf5+ followed by the Qd3 blocking "la diagonale du fou" (if you're ever seen that dumb movie). I was just looking at a similar (if slightly crazier) line: After 27 Rg1 in the game, Be2 (threatening Qf3#). Unfortunately White can play Qxf8+ and then Kh1 and interpose the rook to prevent mate but it might be playable after protecting/moving the R on f8 |
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| Apr-23-17 | | morfishine: Yes, the intrusion of Black's WSB via <a6>. <d3> & <E4> is decisive Nicely noted
***** |
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Apr-23-17
 | | al wazir: <5hrsolver: If 29.Qc6 Then 29..Bd3 30.f3 Be4! 31.fe4 Rd2+>. You're right. Thanks. |
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| Apr-23-17 | | devere: <ChessHigherCat: <devere: After 26.Qd7 in the game, an easier win is 26...Qg4+ 27.Kh1 Qf3+ 28. Kg1 Bh4>
Hi Devere, did you look at the variations with 27. Kf1 instead of Kh1> 27...Ba6+ forces checkmate <and 28. Qxf5+ followed by the Qd3> 29...Bxf2+ forces checkmate |
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| Apr-23-17 | | ChessHigherCat: <devere> I see, 26.. Qg4+, 27. Kf1 Ba3+ 28. Ke1 Qe2#, de vere, that's pretty good |
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| Apr-23-17 | | BxChess: <devere: After 26.Qd7 in the game, an easier win is 26...Qg4+ 27.Kh1 Qf3+ 28. Kg1 Bh4 >
What is the reply to 29. Rd2?
29...c5 30. d5 seems to stop Black. |
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| Apr-23-17 | | The Kings Domain: Nice text move. Saw it first but didn't see 23) ... Qe8 so I decided on the safer 22) ... c5. Good game. |
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| Apr-23-17 | | devere: < BxChess: <devere: After 26.Qd7 in the game, an easier win is 26...Qg4+ 27.Kh1 Qf3+ 28. Kg1 Bh4 > What is the reply to 29. Rd2?
29...c5 30. d5 seems to stop Black.>
30...Qg4+ 31.Kh1 Rc7! 32.Qd6+ Re7 33.Rg1 Qf3+ 34.Rg2 Bxf2 
click for larger view Perhaps I was wrong about it being an "easier" win, but it is a win. |
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| Apr-24-17 | | wtpy: I missed Qe8. Nice sequence of moves beginning with h5. Indeed opening play and throughout very nice performance by black. |
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| Apr-24-17 | | patzer2: Here's my look at the Sunday puzzle (22...?) and game with the chessgames.com opening explorer and Deep Fritz 15: <1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 O-O 8. O-O Nbd7 9. Rd1> This is probably OK. However, my preference is the popular alternative 9. Bf4 as in the
drawn game E Inarkiev vs Karjakin, 2016 <9... b6 10. Bf4 Ba6 11. Ne5 Rc8 12. cxd5 Nxd5 13. Nc3 Nxe5 14. Bxe5 f6 15. Bf4 Nxf4 16. gxf4 f5 17. e3 Bb7 18. Rac1 Rf6 19. Qa4 Rg6 20. Ne2 a5 21. Ng3 h5 22. Nxh5?> This appears to be White's decisive error, allowing 22...Rxg2+! Instead, White can hold on with 22. e4 fxe4 23. Bxe4 Rh6 24. Qb3 Kh8 25. Qf3 Bd6 26. Rc3 Qf6 27. Bxc6 Bxc6 28. Rxc6 Rxc6 29. Qxc6 Qxf4 30. Qe4 Kg8 31. Qxf4 Bxf4 32. Rd3 Rg6 33. Kf1 h4 34. Ne2 Bxh2 35. Rh3 Bb8 36. Rxh4 = (0.00 @ 23 depth, Deep
Fritz 15)
<22... Rxg2+!> This move solves the Sunday, Apr 23, 2017 puzzle, initiating a double attack threat to win two pieces for the Rook. <23. Kxg2 Qe8!> This initiates the double attack which threatens 24...Qxh5 and 24...c5+
followed by Qxa4.
<24. Qb3> If 24. Ng3??, then 24...c5+ 25. e4 Qxa4  snares the Queen
with a discoverd check.
<24... Qxh5> Winning two minor pieces for the exchange is not so difficult. However, the technique for winning the game against strong play by White is extremely difficult. <25. Qxe6+ Kf8 26. Qd7 Ba6 27. Rg1 c5 28. dxc5?> This makes it a bit too easy for Black. Putting up much more
resistance is 28. h3 when play might continue 28...Rd8 29. Qc6 Bd3 30. f3 cxd4 31. exd4 Rd6 32. Qc8+ Bd8
33. Qb8 Qh6 34. Rc8 Qf6 35. Rd1 Be2 36. Rdc1 Ba6 37. R1c6 Qg6+ 38. Kf2 Rxc6 39. Rxc6 Qxc6 40. Qxd8+ Kf7 41. Qg5 (41. d5 Qc5+ 42. Kg2 Qe3 43. Qc7+ Kg6 44. Qc6+ Kh7 45. Qc2 Qxf4 46. b3 g6 47. Qc3 Bb7 48. Qe1 Qg5+ 49. Kh1 Bxd5  ) 41... Qe6 42. Qh5+ Kg8 43. Qg5 Qe2+ 44. Kg3 Qe1+ 45. Kh2 Qf2+ 46. Qg2 Qxg2+ 47. Kxg2 Kf7 48. Kf2 Ke6 49. Ke3 Kd5 50. h4 g6 51. a3 (51. b3 Bb5 52. a3 Ba6 53. a4 b5 54. axb5 Bxb5 ) 51... a4 (-79.95 @ 24 depth, Deep Fritz 15) <28... Rd8!> Now Black is winning easily. Deep Fritz 15 assesses 28...Rd8 29. Qe6 Qg4+ (-4.06 @ 20 depth) <29. Qe6 Qg4+ 30. Kh1 Bb7+ 31. c6 Qf3+ 32. Rg2 Rd1+ 0-1>
White resigns in lieu of 33. Rxd1 Qxd1+ 34. Rg1 Qf3+ 35. Rg2 Bxc6 36. Qc8+ Kf7 37. Qxf5+ Bf6 38. Qg6+ Ke7 39. h4 Qxf2 (-5.20 @ 20 depth, Deep Fritz 15) |
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| Apr-24-17 | | ChessHigherCat: <patzer2> Great analysis, thanks. You should write for some chess magazine (if you don't already) |
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| Apr-24-17 | | patzer2: <ChessHigherCat> Thanks! I don't write for any chess publications. Other than the opportunity for anyone to kibitz here, there's not much demand for retired class A players offering analysis of Master games. |
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| Apr-24-17 | | ChessHigherCat: <Patzer2> I'm so ignorant of tournament chess that I had to look up the definition of "Class A player": 1800–1999. I don't know if this is really true but it seems possible to me that somebody who lacked certain talents specific to tournament play (consistent level of skills regardless of mood swings, amount of sleep on a certain night, strong nerves, patience, ability to maintain intense concentration for hours, immunity to disturbing people/environmental factors, etc.) might have a low rating but superior analytic abilities than certain experts or even masters (I'm talking about you, not about me, since I've never even systematically studied the basic repertoire of openings, so I wouldn't stand a chance against any tournament player). |
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Kibitzing
sac: 22...Rxg2+