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Jens Kristiansen vs Bo Jacobsen
DEN-ch (1976), Aarhus DEN, rd 10, Apr-??
Modern Defense: Two Knights Variation (B06)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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sac: 12.Bxf7+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Jan-24-07  nimzo knight: What after 13.. Nxe5 14. Qxf6+ Kg8
Jan-24-07  chessmoron: Got it in 5 secs. Quicker than the previous one.
Jan-24-07  goldfarbdj: I considered Bxf7+, but didn't see the followup of Nxe5+. I thought the answer was going to be Nd5 -- though looking at that now, I think it fails to Nxd5.
Jan-24-07  goldfarbdj: nimzo knight: 15. Qxe5 with an easy win.
Jan-24-07  Fisheremon: <goldfarbdj: nimzo knight: 15. Qxe5 with an easy win.> or 15.Rd8 if you prefer attacking.
Jan-24-07  Fezzik: I love the actual finish to this game. Those who nit-pick and find other "easy" wins miss the beauty of the attack that was played without the aid of a computer.

Kudos to Jens Kristiansen!

Jan-24-07  dzechiel: Found the bishop sac followed by the knight check after about a minute. There was all kinds of good stuff in the position.
Jan-24-07  James Bowman: Nice finish, I found the first three moves easy enough but did not see it to the finished smothered mate, although in actual play I think I too would have ended there as the previouse moves were almost instinctive. I hope to develope the abillity to calculate that deep into a position. I also have a long way to go to be able to get to the starting position of this puzzle ;o]
Jan-24-07  Deefstes: There's something about a smothered mate that I just always find aesthetically pleasing.
Jan-24-07  prinsallan: Nice one, and got it easily. Very forcing moves.
Jan-24-07  Marco65: I found it difficult. Many variations to calculate. I saw everything up to 17.Qxf6+ and stopped satisfied of having gained two pawns, didn't imagine there was a forced mate. The other variations:

a) 13...Nxe5 14.Qxf6+ Kg8(e8) 15.Rd8(+)

b) 13...Kg8 14.Qe6+ Kg7 15.Qf7#

c) 13...Ke8 14.Qe6+ Be7 [14...Kd8 15.Nf7+ Kc7 16.Bf4+ and mate] 15.Bxf6 Kd8 [15...Nxf6 or 15...Kf8 16.Qf7#] 16.Rxd7+ and mate

Jan-24-07  dakgootje: _O_

Very nice puzzle all in all!

Jan-24-07  Tactic101: Yeah. I saw the bishop sac and also the waiting move Qe6. The rest is kind of instinctive. Very good puzzle.
Jan-24-07  alphee: I got the first moves but nothing really good after 14.♕xf6+ as my continuation for Black was different: 12. ♗xf7+ ♔xf7 13. ♘xe5+ ♘xe5 14. ♕xf6+ ♔g8 15. ♕xe5 ♕c5 16. ♕xc5 ...and I didn't go any further. Obviously the first move had to be a check as the white queen was under attack and could not do much alone.
Jan-24-07  ianD: Not that dificult. Bxf7 is intuitively the right move which I spotted instantly. Took me a minute to confirm white is better in all lines.
Jan-24-07  KingV93: Bxf7+! My all time favorite move, it means you get to sit on the edge of your chair for the rest of the game ! :)
Jan-24-07  jaaron11: Great puzzle. A truly one-sided game. It's not often that you see a forced mate sequence starting at move 12.
Jan-24-07  chopin4525: Altough white has a huge advantage I don't think this is a forced mate because if you evaluate the position you'll see that after 12.Bxf7+,Kxf7 13.Nxe5+,Nxe5(even if white is still better black can hold the position for a while)14.Qxf6+,Kg8 15Qxe5,Qc5(Here I thought I got the solution but then I saw the game and I was doubtful so I analysed the position with deep junior 10 and I found that my line was the best,junior also continue as follows...) 16.Bf6,Qxe5 17.Bxe5,Bh6+ 18.Kb1,Be6 19.Bxh8 and now white is winning!What do you think?^_^
Jan-24-07
Premium Chessgames Member
  playground player: I'd still like to know what happens to players who get addicted to computer assistance and then have to play a game without it.
Jan-24-07  kevin86: <jaaron11> Early mate announcements are not rare at all. I have even seen a game with a mate announcement longer than the amount of moves played before it.

I answered only the first two moves of this one,but I think I could have come up with the rest. A whimsical finish with black's pieces forced to smother the king to "protect" him.

Jan-24-07  chopin4525: playground player: I'd still like to know what happens to players who get addicted to computer assistance and then have to play a game without it.

Altough I really appreciate your subtle irony have you ever heard with whom radjabov trains himself?No?I have pity on you :)

Jan-24-07  Tomlinsky: <I'd still like to know what happens to players who get addicted to computer assistance and then have to play a game without it.>

If they are not using their brains they will gain nothing. If they are using their brains they will improve. It's a limitless resource for refinement at a personal level or a crutch, there is a choice.

Jan-24-07  nimzo knight: 11..Bf8 is definitely a mistake. But what are other options of black, which white must evaluate before playing Qd6. I think 11.. Qb4 is a possibility. Of course main purpose of Qd6 is to stop black from castling.
Jan-24-07  jaaron11: <kevin86> True enough at the lower levels. I meant that it's rare to see a forced mate among players who are rated high enough for their games to be posted on this site.
Jan-24-07  Kruglov: <Marco65: c) 13...Ke8 14.Qe6+ Be7 [14...Kd8 15.Nf7+ Kc7 16.Bf4+ and mate] 15.Bxf6 Kd8 [15...Nxf6 or 15...Kf8 > or 15...Qd8 <16.Qf7#] 16.Rxd7+ and mate>

Good analysis, thanks. There are few more variations of this line. 16...Qc5 [16...Qb4 17.Na2 Qc5] 17.Nxd7 Bxd7 (forced, Queen is under attack and she has to protect e7) 18.Rxd7 and mate

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