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Ralf Hubert vs Gerard Welling
NRW league (1997), ?, Dec-14
English Opening: English Defense. General (A10)  ·  0-1

ANALYSIS [x]

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sac: 18...Nxh2 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-10-06  JustAFish: I saw up through 23 Rf2 but could not figure out what black could do after that. To me, the key is 23... Bf6!, which I failed to find. Hard puzzle for me.
Aug-10-06  Halldor: I used most of the time trying to find sth better than 18... ♘xh2 but couldn't, so I went for the line as in the game - forced until 23.♖f2, there I was stuck but decided that 23...♗f6 was the best since ♗x♘ was good for White (releasing the pressure), the bishop had to retreat anyway since there was no forcing move in sight - and it had time to go to h4. I didn't go any deeper and wasn't sure if I was on the right track.
Aug-10-06  eaglewing: <Peligroso Patzer> Yes. While in that case stronger, even without e4 your moves Bg4/Qf3 would win. Compared to Qg1/Rd3, they win in any case, they are more direct, so why Qg1?

Maybe because it is more beautiful to win by "Zugzwang"? Moves with the a and c-Pawns run out soon. B-Pawn move loses N and e-Pawn vanishes by fe + f5 by ef, and then Bf4 dissolves "Zugzwang" in exchange for a lost position. Or I did overlook even more in the Qg1/Rd3 line.

Aug-10-06  MyCatPlaysChess: I was able to solve the puzzle to 23... ♗f6 and even knew that ♗h4 was comming. What I got wrong was in not realizing that white had a mechanism to protect the ♖ on f2 with ♗f1 and ♗c1. I would say that seeing this defense for white and seeing how devestating 25... ♗f3 is constitutes a solution to today's problem.
Aug-10-06  EmperorAtahualpa: Like a couple of other kibitzers I also found this puzzle until move 23...Bf6. Very nice play by Welling! I believe Mr. Welling visits this site under the name <Gejewe>.
Aug-10-06  RandomVisitor: <melianas>Can white avoid his fate with a better 18th move, I think was what you were asking: 24-ply
1: R Hubert - G Welling, NRW league 1997


click for larger view

Analysis by Rybka 2.1c mp:

1. (-1.08): 18.Bxg4 Qxg4 19.f4 Bf6 20.Rc1 h5 21.Qd1 Qh3 22.Qe2 h4 23.Be1 g5 24.c5 hxg3

2. (-1.11): 18.e4 fxe4 19.Bxg4 Qxg4 20.Be3 Rd3 21.a4 Rfd8 22.Rde1 h5 23.a5 h4 24.Qe2 Qg6

(, 10.08.2006)

Aug-10-06  YouRang: Okay, I saw the line as played as far as 22. Rf2, with the rook pinned. Here, Black's attack seemed to stall a bit, although I did consider following up with 22...Bf6 with Bh4 in mind (there seemed to be little else to do).

I figured this had to be the start of the solution, but it was beyond me to 'prove' that this was winning. So, I'm not sure if I can say I got it or not. How far must one go?

Aug-10-06  patzer2: <Peligroso Patzer> <If 27. e4, the quiet move 27... Bg4 is devastating.> Great find! After 27. e4, 27...Bg4!! is indeed strong and decisive.

However, it's not exactly an unasuming and nonthreatening "quiet move," but is more of a devastating "clearance tactic," freeing up the f3 square for the Queen to create multiple unstoppable threats.

To illustrate the power of this strong clearance tactic, look at some of Black's winning options after 27. e4 Bg4!! 28. a4 Qf3!:


click for larger view

Analysis by Fritz 8:

1. (-15.37): 29.Bg2 Qxg2 30.Nd5 fxe4 31.Kd2 Bxf2 32.Kc3

2. (-#4): 29.Bd3 Rxd3 30.Qe2 Bxf2+ 31.Qxf2 Qd1+ 32.Nxd1 Rxd1#

3. (-#3): 29.exf5 Bxf2+ 30.Qxf2 Qd1+ 31.Nxd1 Rxd1#

5. (-#3): 29.c5 Bxf2+ 30.Qxf2 Rd1+ 31.Nxd1 Qxd1#

12. (-#2): 29.Nd5 Bxf2+ 30.Qxf2 Qd1#

13. (-#2): 29.Be3 Qxe3+ 30.Qe2 Bxf2#

14. (-#2): 29.Nb5 Rd1+ 30.Qxd1 Qxd1#

15. (-#2): 29.Nd1 Rxd1+ 30.Qxd1 Qxd1#

Aug-10-06  patzer2: <You Rang> <How far must one go?> I'd think seeing up to 24...Bh4 would be sufficient. The material is even at that point (guaranteed win of the exchange plus two extra pawns), but the positional advantages (development, space, piece coordination etc.) overwhelmingly favor Black.
Aug-10-06
Premium Chessgames Member
  kevin86: I missed this one:( . I was looking at the ossible sacs at e3 and d2-but not h2.
Aug-10-06  Castle In The Sky: Got it, I didn't play the combo all the way through, but had the first four moves. This puzzle fits in the tactical category of "deflection or distraction" during which the king leaves its safe haven and falls into a combination along the newly created open file.
Aug-10-06  dr.roho: i got it ! weeeeeeeeeeeeee!
Aug-10-06  dr.roho: well some of it. but i still like to go weeeeeeeeeeeeeeeeeeeeeeeee!
Aug-10-06  clausantos: I got the puzzle! Congratulations chessgames!
Aug-10-06
Premium Chessgames Member
  gawain: Saw 18 ... Nxh2 and the followup through ... Bf6 and Bh4 but not beyond that. Nice puzzle.
Aug-10-06  handro1104: How does Black win after 25 Nb5?
Aug-10-06  YouRang: <handro1104: How does Black win after 25 Nb5?> Are you referring to the main line that was played? If so, then 25. Nb5 is met by ...Qxf2#.
Aug-10-06  Fezzik: I was wondering why this is the second game I've found of Welling's in this section.

I hadn't heard of the Dutch Master (doesn't it sound cool to say it that way!) before visiting chessgames.com.

Black's ...Nxh2 had to be expected. I wonder what White missed to allow such a shot.

I stopped analysing at ...Qxg3 and noticed that Black can continue the attack on the pin and decided I would play it in a game. The material sacrificed is not great, and White's pieces are in complete disarray.

Of course, Black's finish was very nice!

Aug-10-06  melianis: Thank you <RandomVisitor> for the comp analysis.
Aug-10-06
Premium Chessgames Member
  thegoodanarchist: I find it interesting that I didn't get the solution after looking at the puzzle on the home page for about 30 seconds, but after playing throught the first 17 and 1/2 moves, I found Nxh2 in about 5 seconds.

In other words, once I got the "flow" of the game it was easier than solving it "cold."

Does anyone else have this experience?

Aug-10-06  Tariqov: Hmmm,didn't get it, i saw the Bf6-h4 maneuver but did it look like it was winning after White protects with say.. Bc1?? I don't think so(okay, maybe it was slightly better at that point but not clearly better) , i think many claim they got it but the real solution to the puzzle is 25...Bf3!!I'm sure most will not play this in a real game unless they saw Bf3! as before that point,the position is unclear,material may be equal but it is still unclear .

i saw until Bf6-h4 thing but discarded it because the position is unclear and i won't play it in a real game.Missed again:)

Aug-11-06
Premium Chessgames Member
  gawain: <thegoodanarchist> In other words, once I got the "flow" of the game it was easier than solving it "cold." Does anyone else have this experience?

Yes!!!

Aug-11-06  Fezzik: Tariqov,

You made an interesting point about 25...Bf3! I felt certain I was on the right path without actually seeing 25...Bf3.

But here's the problem for me with chess problems: I can see the general contours of the attack very quickly. I skim through the details and if I like what I see I proclaim to myself that I've solved it.

In a real game, I too would be racked with doubt. But I would spend twenty minutes instead of three or four, trying to prove that it works. I am pretty sure that having seen that the Rook on f2 was pinned that I would have also found Bf3.

As I stated earlier, Black had sacrificed very little to gain activity for all his pieces while White's pieces were bouncing around doing nothing. I still would have sacrificed in that position in a standard game.

Aug-11-06  patzer2: Surprisingly, the Opening Explorer indicates the most popular reply at Master level in this line is 4. a3 as in J Hellsten vs L Karlsson, 2006.

I wonder if 5...f6!? is an invention of Wellington's. Normally played here is 5...Nf6 6. e3 h6 7. Bh4 in the Queen's Indian mainline as in Nakamura vs L Bruzon, 2006. However, Wellington's 5...f6!? is a good option to get White out of the usual opening book.

White's 6. Bd2 is OK, but a playable alternative is 6. Bf4 as in Barsov vs Eric Girard, 2002.

Perhaps worth considering is 7. Qb3, since the complications after 7. d5 seem to be no problem for Black. One possibility is 7. Qb3 Qe7 8. a3 Bxc3 9. Bxc3 Nf6 10. e3 =.

Losing Quickly was 18. f4? to Black's brilliant 18...Nxh2!! However, Black still has a clear advantage after the better alternative 18. Bxg4 Qxg4 , after which White may still have difficulty holding the draw. For example after 18. Bxg4 Qxg4 19. f4 Bf6 20. Rc1 Rf7 21. b4 Rfd7 22. Be1 a6 to , Black has strong presure and White's survival chances don't look good.

Aug-11-06  Tariqov: oh,i guess you're right probably a intuitive sac or something, but you can't just say you would play Bf3 after seeing the position,that's simply wrong. Well i guess most important is to see the Bf6-h4 maneuver.
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