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Sanan Sjugirov vs Ivan Cheparinov
European Championship (2009), Budva MNE, rd 2, Mar-07
Caro-Kann Defense: Advance. Short Variation (B12)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-18-21  Refused: 21.Bxf5 has to be the move.
a)21...gxf5 22.Qxf5 looks horrible
a1)22...Rdf8 just trying to avoid getting k.o. 23.Rxd5, I don't see an immediate kill but that position is asking a lot from black.

a2)22...Rh7 23.Rxd5 works again

a3)22...Bf8 23.Bg5 that shouldn't be survivable

however I fail to see a clear path to victory if Black simply capture on e5

b)22...Nxe5 white is somewhat better with the bishop pair and the safer king but this is hardly more than + = or ±

Apr-18-21
Premium Chessgames Member
  al wazir: I'll bite. What happens after 23...Rxd5 ?

I'm guessing the continuation is 24. Qxf7+ Kh8 25. Qxd5 h4 (25...Nxe5 26. Bd4 Bd6 27. Rf5 Re7 28. Rxh5+ Kg7) 26. Bd4 Nxd4 27. Qxd4 Rh5 28. e6+ Kg8 29. Qg4+ Rg5 30. Qxh4 Qc6.

Now what?

Those two connected king-side passed ♙s look pretty good, but black has an extre piece. The endgame isn't a slam dunk.

Apr-18-21  stacase: Getting the first two moves on a Sunday is always good (-:
Apr-18-21  Refused: < al wazir: I'll bite. What happens after 23...Rxd5 ? I'm guessing the continuation is 24. Qxf7+ Kh8 25. Qxd5 h4 (25...Nxe5 26. Bd4 Bd6 27. Rf5 Re7 28. Rxh5+ Kg7) 26. Bd4 Nxd4 27. Qxd4 Rh5 28. e6+ Kg8 29. Qg4+ Rg5 30. Qxh4 Qc6.>

Too cheap. You will just get slaughtered on the back rank and end up mated.

24.Qe8+ Kg7 25.Rf7+ Kg6 26.Qg8+ Rg7 27.Qxg7#

Apr-18-21  Cheapo by the Dozen: If 22 ... R(d)f8, the engine thinks White's advantage is only +0.73. That kind of thing is why I didn't try very hard to work this out in depth.

I did get the first two moves, which hinge on the fact that all ways of defending f7 have significant drawbacks, either losing material or blocking Black's king from escaping via f8.

Apr-18-21  Walter Glattke: 21.Bxf5 gxf5 22.Qxf5 Rdf8 23.Rf3 wins, 22.-Rh7 23.Qxf7+ Kh8 24.Qd6 Qxe5 "glattfishly"" -0.28, 23.Rf3 Qxf3?? 24.Rg3+ Kh8 25.Bd4! /23.Rf3 Bh4 -0.28
Apr-18-21  Walter Glattke: correction: 23.-Qxe5, not Qxf3
Apr-18-21
Premium Chessgames Member
  opus: The Humanity!

33. Bh6 Qxd5 34. cxd5 Rg6 35. Bf4 Nc6 36. Ra8+ Kh7 37. Rc8 Nd4 38. d6 Bxd6 39. Bxd6 Nxe6 40. Re8 Nd4 41. Bf4 Rg8 42. Re7+ Rg7 43. Rxg7+ Kxg7 44. Be3 Ne2 45. Bf4 f5 46. g3 b5 47. Kg2 Nd4 48. Kf2 Ne6 49. h4 Nxf4 50. gxf4 b4 51. a3 bxa3 52. bxa3 Kf6 53. Ke3 Ke6 54. Kd4 Kd6 55. Kc4 Kc6 56. a4 Kb6 57. Kb4 Kb7 58. a5 Ka7 59. Kb5 Kb8 60. a6 Ka8 61. Kb6 Kb8 62. a7+ Ka8 63. Ka6

Draw

Apr-18-21  Brenin: As in yesterday's POTD, the first couple of moves were easy to see, but this time the outcome was far from clear. It looks as though Black was finding an adequate defence (although 27 ... fxe6 might have been preferable to f6) until the unfortunate blunder 32 ... Rg7.
Apr-18-21  goodevans: <opus> 33...Qxd5 34.cxd5 Rg6 <35.Rxe7> Rxh6 36.d6 Nc6 37.d7 wins for White.
Apr-18-21  goodevans: Many similarities to yesterday's puzzle. White is a pawn down but has the opportunity to trade a minor for three pawns to leave the Black K vulnerable.

There are some differences though. To start with, there are more Black defences to check than yesterday and maybe it's not quite as clear that White will get the third pawn (e.g. defeating 22...Bh4 requires a bit of thought). What's more, the Black K's predicament is nowhere near as bad as in yesterday's POTD and after 22...Rh7 it's tempting (but wrong) to play 23.Qxf7+ (I'd probably have gone wrong there but I didn't even consider 22...Rh7).

All in all, a more fitting weekend puzzle than yesterday's even if the first couple of moves are a little too obvious.

Apr-18-21  1g1yy: <Davolni: what a nice game!!!!>

~Decade late on the response, but yep!

< An Englishman: Good Evening: Another speculative sacrifice and the question once again becomes, do you have the courage to attempt it?>

I for one am glad there's players out there (like myself last night even) who will take a shot at it on a gut feeling. If there's no games in your history that don't go down to KP KP, life would be pretty boring!

I played one "sorta" like this last night. And while I got myself into a position that was solidly losing according to the analysis, I did end up winning. (not sure the opponent didn't resign a winning position). But it was complicated, and WAY more fun than the boring frontal attack games I play.

Apr-18-21
Premium Chessgames Member
  chrisowen: Brusher ivory guv Bxf5 hocums arc fun mufti v aid fluffs brash brick again jam jangle on the wain quite tosca clues paddy faved its beaky cum this garrulous witz nod vim guv handle fridge divide into fifths totups div auld difficult aka it is a lottery Bxf5 cuff.
Apr-18-21  RandomVisitor: AFter 20...exf5, the best that 21.Bxf5 can accomplish under best play is a draw


click for larger view

Stockfish_21041512_x64_modern:

<72/80 3:29:20 -0.00 21.Bxf5> gxf5 22.Qg3+ Kf8 23.Rxf5 Ke8 24.b4 Qc8 25.Rdf1 Qe6 26.b5 Na5 27.Rxf7 Rf8 28.Rxf8+ Bxf8 29.Qh4 Be7 30.Bg5 Kd7 31.Bxe7 Qxe7

Apr-18-21
Premium Chessgames Member
  agb2002: White has the bishop pair for a bishop, a knight and a pawn.

Black threatens Nxe5.

I've considered Bxf5, Bf4 and Qg3 but haven't found a relatively clear path of action.

Since 21.Qg3 is met with 21... h4 and 21.Bf4 with 21... Qd7 (21... Nxe5 22.Bxf5 gxf5 23.Qg3+) I'd probably try Rde1 or Bxf5 if my opponent looked even more nervous.

Apr-18-21  dhotts: This is not a puzzle!...All Black had to do is play the obvious 22...Nxe5! (capture a pawn while protecting f7) and Black is coasting to a victory; instead Black plays the less optimum move of 22...Rh7 which still leaves Black with an equal game...Not a puzzle at all with White to move.
Apr-18-21
Premium Chessgames Member
  drollere: i had 21. Bxf5 gxf5, 22. Qg3+ Kf8, 23. Rxf5 and either Qf4 or Rdf1 depending on the reply.
Apr-18-21
Premium Chessgames Member
  al wazir: < Refused: Too cheap. You will just get slaughtered on the back rank and end up mated. 24.Qe8+ ...> (I think you mean <25. Qe8+.>)

Of course! Why didn't I see that? Thanks.

Apr-18-21
Premium Chessgames Member
  chrisowen: Now I am happy for f5 it is tragedy rg7 however ie now.
Apr-18-21  King.Arthur.Brazil: I followed the game, and get right with the first moves: 21. ♗xf5... 22. ♕xf5... I didn't see {23. Rxd5). I thought 23.e6?! which seems not so good. However, I wonder about 23...♖xd5 24. ♕xf7+ ♔h8 25. ♕xd5 ♕xe5 where Black pieces seem less tied up than in the game. Also, I didn't like 28... b6,I preferred 28...♘e5 when the ♖ at d7, must find another way, for example: 29. ♖d4 ♕g8 30. ♖h4 ♕g6. White tried to obtained a position of Black zugswang with 32.c4. So, Black answer must be 32...♕xd5 33. cxd5 ♗d6 34.♖a8+ ♔g7 ♖a6. Maybe, Black still have chances to tie the game. The move 32...♖g7 was a gross error, since it allowed 33.♗h6 from which Black cannot move without losing something. 33...♖g8 34.♖xe7 or the worst move is 33...♖h7?? 34.♖a8+ ♕xa8} 35.♕xa8+ ♗f8 36.♕xf8#. Therefore, Black must played: 33...♕xd5 34. ♗xg7+ ♔xg7 35. cxd5 ♔f8. Maybe can play a little more before resign.

This game is "my face". Sometimes, it seems that you have all the cards, but after the sacrifice, the lines are unclear and the opponent suddenly seem to have more chances of survive than you go to victory. When you think that you will not succeed, he makes a bad move and resigns without reason! lgs

Apr-18-21
Premium Chessgames Member
  ajk68: I ran the Chessgames lab on the position for 1 hour. It continues differently than the game line.

1) =0.00 (37 ply) 21.Bxf5 gxf5 22.Qg3+ Kf8 23.Rxf5 Ke8 24.b4 d4 25.Qg7 Rf8 26.e6 Bf6 27.Rxf6 dxe3 28.exf7+ Ke7 29.Qg5 Rxd1+ 30.Rf1+ Kd7 31.Qf5+ Ke7 32.Qg5+

2) -0.63 (37 ply) 21.Rde1 Qd7 22.Bc2 Qe6 23.h3 a6 24.Re2 b5 25.Qg3 h4 26.Qf2 Rd7 27.Rfe1 Na5 28.Bd4 Rb7 29.Qf4 Nc6 30.Bf2 b4 31.Kg1 Rbb8 32.Rd1 bxc3 33.bxc3 Na5 34.Qd4 Rbd8 35.Qd3 Bg5 36.Bb3 Nxb3 37.axb3 Bf4 38.b4 Bxe5 39.Bd4 Bxd4+ 40.Qxd4+ Qf6

3) -0.62 (36 ply) 21.b4 Qc8 22.Bf4 f6 23.Rde1 d4 24.b5 dxc3 25.Bxf5 Qxf5 26.bxc6 g5 27.Qg3 h4 28.Qxc3 gxf4 29.cxb7 Kh6 30.exf6 Bxf6 31.Qc7 h3 32.Qxf4+ Qxf4 33.Rxf4 Rd6 34.Rb1 hxg2+ 35.Kxg2 Rb8 36.Kh1 Be7 37.Ra4 Rb6 38.Rxb6+ axb6 39.Ra7 Kg5 40.a4 Kf4 41.Kg2 Bd6 42.a5 bxa5 43.Ra6 Rg8+ 44.Kf1 Bc7 45.Ra8

Apr-18-21
Premium Chessgames Member
  ajk68: The line above from the computer analysis does look superior to the game line. Qg3+ breaks the connection of the rooks. It also also for more protection of the e-file pawn after Rxf5.
Apr-18-21
Premium Chessgames Member
  drollere: <ajk68: The line above from the computer analysis does look superior to the game line. Qg3+ breaks the connection of the rooks. It also also for more protection of the e-file pawn after Rxf5.>

hey! that's my line!

Apr-18-21
Premium Chessgames Member
  ajk68: In line #1 above, I found 23. Ke8 curious. Upon examination, it does look necessary. Lots of threats if black doesn't make this move.
Apr-18-21
Premium Chessgames Member
  ajk68: <drollere: hey! that's my line!>

You win! I haven't seen anybody else post that one.

Per my comment above, I think the only response to Rxf5 is Ke8. If you saw that, then you are really playing well.

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