Chess related: Knight endgames
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loreta
18-May-10, 03:38

Knight endgames
These are very tricky...

Today I played a blitz with Knight endgame. At that position there was a draw (because of repetition):


Last moves (before that position) were: 58. Kd7-d6 Nc5-e4+ 59. Kd7 Nc5+ 60. Kd6 =

I recovered that at 40th move position was:

Game went 40. a6 Nc5 41. a5 Nxa6 ...

Has White better issue?

baronderkilt
18-May-10, 07:27

What you should know about Knight endings ...
1.The Rook Pawns are the hardest for a Knight to stop. Convert to a passed Rp if you can.
2. They are very drawish
3. They seldom draw, at least in Class level otb tournaments ... and are ideal to steer toward vs a fast and sloppy player. In such case, I've never failed to win the N ending. And never have I claimed to be a great endgame player! Still I am never disappointed that this is one I choose for extra study. It's also a "winner" when it will draw for you instead of lose.
***
I reserve any comment on your positions at this time, being off-my-head sleepy~! But look forward to reading.
}8-)
lighttotheright
18-May-10, 08:11

Deleted by lighttotheright on 18-May-10, 08:12.
lighttotheright
18-May-10, 08:15

Interesting question...

Although those white pawns on the queen's side pose a threat, White's King and Knight are somewhat passive. White needs to create multiple threats to try to overwhelm Black's otherwise viable defense of the Queen-side.

The proper strategy maybe to push those pawns and perhaps tie down Black on that side of the board while attempting another viable attack on the King-side. This may include giving up material on the queen-side for position. Doing so could possibly transform this ending into a winning pawn game when knights come off the board.

The answer may come down to timing.

On the face of it, White should have enough but could easily make a mistake and throw the win away. If all effort is concentrated on the Queen-side push, then I wouldn't be surprised of a draw. White needs to drastically transform the position instead. This may require a lot of moves to maneuver.
loreta
18-May-10, 08:36

Deleted by loreta on 18-May-10, 10:08.
loreta
18-May-10, 10:08

Sorry
At first diagram - there is a White Knight at b4 !!!
lighttotheright
18-May-10, 11:33

Here's A sample endgame that I finally worked out:

After the mentioned 40. a6 Nc5 41. a5 Nxa6 (seems to be best anyway)...

42. Nd3 Kc7 43. Kf3 (imperative to get King active) Nb8

44.Nb4 Nd7 45.Kf4!! Kd6 46.Nd3 Nb8 47.g4 Kc7 48.Nb4 Nd7 49.a6 Kb6 50.Ke4 Nc5+ 51.Ke5 Kc7 52.f4! f6+ (pretty much strategically forced)

53.Kd4 Nb3+ 54.Kc3 Nc5 55.f5 (pushing the minority attack) e5

56.a7! (Keeping the Black King tied down to defense and relatively passive) Kb7

57.Nc6 (the king cannot take! & a pathway to winning position with Knight on e6) Ne4+

58.Kb4 (no good choices for Black from here on out; it progressively get worse for him)

If 58. ... Nf2, then the knight is out of position and the Black King will be overwhelmed on the queen-side. 58. ...h5 is not much better.

58. ...h5 59.gxh5 Nd6 60.Nd8+ Kxa7 61.Ne6 Nxf5 62.Nxg7!! (Black cannot take) Nh6 best 63. Kc5 the invasion begins ...f5 64.Ne6 Nf7 65.Kd5 f4 66.Nc5 f3 67.Nd3 and white holds to keep the win.




lighttotheright
18-May-10, 11:35

That line starts from the second diagram in the first post that was OK.
lighttotheright
18-May-10, 11:36

By the way,

I would not expect anyone to have found this win for white during a blitz game!