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Nick Maatman vs Etienne Goudriaan
15th Unive Open (2011), Hoogeveen NED, rd 1, Oct-14
King's Indian Defense: Orthodox Variation. Classical System Neo-Classsical Line (E99)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Nov-11-11  Whitehat1963: Definitely didn't figure this one out.
Nov-11-11  abuzic: The positions is very rich in complex variations.
33...Ne3! Maybe the only move that avoids loss and at the same time wins (win or lose)

33...Ne3 (White cannot take the Q):
34.Bxa6 Rxg2+
35.Kh1 Nf3
36.Ne7+ Kh7
37.Nh3 Bxh3
38.Rb1 Rxa2
39.Rb2 Rxb2
and black will mate with either ...Rh2 or ...Bg2.

Black can try to defend with:
34.Ne7+, now black has 4 choices:
A.34...Kf7, B.34...Kh7 (and wins after either),
<34...Kh8 loses to 35.Rxf8+ Kh7 36.Rf7;> and <34...Rxe7 loses to 35.Bxa6>.

A.34...Kf7
A1.35.Rb1 Rxg2+ 36.Kh1 Bxe7 and there is no effective continuation for white (37.Bxa6 Nf3 will mate soon;

A2.35.Bh5+ Kf6 36.Rxf8+ Kxe7;
A3.35.Kh1 f3 36.Nd3 Qxd3 37.Bxd3 fxg2+ 38.Qxg2 <38.Kg1 Nf3+ 39.Kf2 g1Q+ 40.Ke2 Rg2+ 41.Kxf3 Bg4#> 38...Rxg2);

B.34...Kh7 35.Rxf8 Rxg2+ 36.Kh1 Be8! and white is defenceless: 37.Ng8 Rxf2 38.Bxa6 Rxa2; 37.Rg8 Rxf2 38.Bxa6 Rxa2; 37.Bxa6 Nf3 and will mate soon;37.Ng6 Nf3 38.Rh8+ Kg7 39.Qa1 Qxe2.

White after 33...Ne3 can also try:
34.Nxe5 Rxg2+
35.Kh1 dxe5
36.d6+ Kg7
37.Rb1 (37.Rd8 Be8 38.Qb2 cxd6 39.cxd6 Qxa5 40.Qb1 Qxd8) 37...Nhf5
38.exf5 Qc6
39.Bf1 Rxf2+
40.Kg1 Rxa2.

or 34.Kh1 f3
35.Nxe5 fxg2+
36.Kg1 dxe5
37.d6+ Rf7
38.Nh3 Nf3+
39.Kf2 Bxh3
40.Rb1 Qxa5
41.Qxa5 Nd1+
42.Rxe1 Ne1+
43.Bf3 <(43.Kxe1 Bh6 44.Qa8+ Kg7 45.Qg8+ Kxg8 46.Bc4 g1Q+ 47.Ke2 Qe3#; 43.Kg1 Rf1+ 44.Kh2 Rh1+ 45.Kg3 g1Q+ 46.Kh4 Bf1#)> 43...Rxf3+
44.Ke2 g1Q
45.Qa2+ Kh8
46.Rxe1 Re3+
47.Kd1 Qxe1+
48.Kc2 Qc3+
49.Kb1 Re1#

White actually played 34.g4 and was mated in 4.

Nov-11-11  Patriot: I'm impressed so many got this. I thought 33...Ne3 was very tough to find. I'm not confident in seeing this during a game where time is much more limited.

The queen is hanging and there is always a possibility of a spite check with ...Rxf8+ or ...Ne7+ but those moves don't seem to have any influence. I looked at more forcing lines first, like Nf3+ or Nxf2. Eventually I came around to the quiet 33...Ne3, seeing that 34.Bxa6 Rxg2+ 35.Kh1 Nf3 threatens mate on h2 and g1. I didn't delve into 34.g4 (ran out of time!).

Nov-11-11
Premium Chessgames Member
  morfishine: Black's position is so strong, he can let his Queen go. Black commences the final attack with <33...Ne3> overrunning the White position like a heavy cavalry charge from the Napoleonic era. Primary threat is 34...Rxg2+ with mate to follow. White has no adequate way to defend <g2>.

If white captures the queen then:

(1) 34.Bax6 Rxg2+ 35.Kh1 Nf3 and Black threatens mate at <g1> & <h2>. White cannot defend both:


click for larger view

After the spite check 36.Rxf8+ white will soon be mated

If White tries the desperate 34.g4 to keep the g-file closed, then Black has the key-move <34...Nf3+>:

(2) 34.g4 Nf3+! (this move, once found, forces mate) If now 35.Bxf3 Qf1+ 36.Kh2 Rh7+ 37.Nh3 Rxh3 mate


click for larger view

In the line 34.g4 Nf3+ if white declines capturing the knight with 35.Kh1 then 35...Rh7+ 36.Nh3 Rxh3 mate

This sure was an exciting way to start off Friday

Nov-11-11  King Sacrificer: If White tries defending the back rank with the Rook and free his Bishop;

33...Ne3
34.Rb1 Rxg2+
35.Kh1 Rxf2
36.Rg1+ Ng2


click for larger view

Black doesn't have mate threats anymore but the next move will be taking the Bishop at e2, so White has to trade Queens;

37.Bxa6 Rxa2

and White loses another piece here, eventually losing the game.

Nov-11-11  PeterB: Does 33....Nf2 also work? I checked a number of variations and they are similar to the 33....Ne3 lines!
Nov-11-11  sevenseaman: < morfishine: Black's position is so strong, he can let his Queen go. Black commences the final attack with <33...Ne3> overrunning the White position like a heavy cavalry charge from the Napoleonic era. Primary threat is 34...Rxg2+ with mate to follow. White has no adequate way to defend <g2>.>

An admirable confident demeanor, I'll say! One sees in a trice that White can ill-afford to go for Black's Q. His B cannot abdicate its defensive obligations in the tactically important area around his K where most of the action is likely to unfold.

BTW after I had signed in my solution, out of sheer curiosity I again took out 'Jalopy' and fed it the position. I was pleasantly surprised when in less than a minute, it gave me <33...Ne3>. When it is that fast I feel assured the move is unlikely to be wrong.

Encouraged, I asked for the White response, giving it all the time. After presumably a thoughtful consideration lasting about 5 minutes it went for the Black Q.

And I switched it off, returning it to its permanent roost.

Life with 'Jalopy' is a different kind of fun. Sometimes out of its creaking bones it regurgitates a good move, and then says, 'thats enough for the day man, I am no slave'.

Nov-11-11
Premium Chessgames Member
  agb2002: The material is even.

White threatens 34.Bxa6.

Every black piece can attack the white castle immediately except the DSB. The g2 square looks very weak. This suggests 33... Ne3:

A) 34.Bxa6 Rxg2+ 35.Kh1 Nf3 - + with the double threat 36... Rg1# and 36... Rh2# (36.Ne7+ Kf7 37.Nh3 Rxa2, etc.)

B) 34.g4 Bxg4

B.1) 35.Bxa6 Bh3+

B.1.a) 36.Kh1 Bg2+ 37.Kg1(h2) Nf3#.

B.1.b) 36.Kh2 Nf3+ 37.Kxh3 (37.Kh1 Rg1#) 37... Rg3#.

B.1.c) 36.Ng4 Rxg4+

B.1.c.i) 36.Kf2 Rg2+ 37.Ke1 Nf3#.

B.1.c.ii) 36.Kh1 Nf3 37.Rb1 (37.Qa(b)1 Bg2#) 37... Bg2+ 38.Qxg2 Rh7+ and mate next.

B.1.c.iii) 36.Kh2 Nf3+ and mate next.

B.2) 35.Bxg4 Qf1+ 36.Kh2 Qg2#.

B.3) 35.Nxg4 Rxg4+

B.3.a) 36.Bxg4 Qf1+ 37.Kh2 Nxg4#.

B.3.b) 36.Kf2 Rg2+ 37.Ke1 Nf3+ 38.Bxf3 Qf1#.

B.3.c) 36.Kh1 Nf3 37.Rb1 Rh4#.

B.3.d) 36.Kh2 Rg2+ 37.Kh3 (37.Kh1 Nf3 38.Bxf3 Qf1#) 37... Rxe2 - +.

C) 34.g3 Rxg3+

C.1) 35.Kh1 Rg2 (35... Nf3 36.Rb1 Qc8 doesn't look clear)

C.1.a) 36.Bxa6 Nf3 as in A.

C.1.b) 36.Bd1 Qf1#.

C.1.c) 36.Nd3 Qxd3 37.Bxd3 Rxa2 - +.

C.2) 35.Kh2 Rg2+ 36.Kh1 Nf3 37.Bxf3 Qf1#.

D) 34.Ne7+ Kf7 doesn't seem to save White.

Nov-11-11
Premium Chessgames Member
  morfishine: <sevenseaman> Whats really sharp here is the way the Black Queen "sees through" white's Bishop on <e2> hungrily targeting the <f1> square. I'll have to play through the whole game later to see how white ended up like this.

Looks like lots of solvers got the correct answer: should be an exciting weekend!

Nov-11-11
Premium Chessgames Member
  chrisowen: As the Nick bate c5 Ne3 man Goodriaan a popular Dutck I forget it is?

J Van Oosterom vs G Timmerman, 1996

Nod again heh any rememberance

I I coddle an egg ill afford queen lace fashion g6 back yo yo net it double g4 h4 'anemy of my anemy' g2 pop red blood cells pumping it ardens in ol land rh7 to lip the king owzthat...

Nov-11-11  newton296: yep ...Ne3 was on my radar but I couldnt find the follow up too 34)kh1

guess I missed that after ...Rxg2 Nh3 white can play Bxh3 preventing white from playing Qxg2 Q sac back for R +N

I 'm getting smoked this week!

guess I gotta work on my atatcks

Nov-11-11  BOSTER: My question is: Was the black attack really so irresistible?

Can black win if white play move "c5" one move before <POTD>, playing 31.Nxg4 with an idea to bring the white queen for protection g2 pawn and the king? After 31...hxg4 32.c5 we have such position


click for larger view

Nov-11-11  Rook e2: Funny, I know both players!
Nov-11-11  scormus: I cannot take any credit for finding 33 ... Ne3 because I had no idea what W should do. So many options but the only reply I seriously considered was 34 Bxh6.

I will remark that I was surprised to see how low the players were rated, this looked to me quite a sophisticated game, with W holding his own against the higher rated player until very near the end.

I always like these KID games with pawn storms on opposite wings.

Nov-11-11  sevenseaman: <BOSTER> <My question is: Was the black attack really so irresistible?

Can black win if white play move "c5" one move before <POTD>, playing 31.Nxg4 with an idea to bring the white queen for protection g2 pawn and the king? After 31...hxg4 32.c5 we have such position > (Diag.)

<BOSTER> I analysed the position when c5 is played one move earlier. White has no chance.

Try this http://www.chessvideos.tv/endgame-t... link. Crafty goes through White defenses like a knife through butter. It should satisfy your curiosity.

Nov-11-11
Premium Chessgames Member
  morfishine: <BOSTER> On your comment: <Can black win if white play move "c5" one move before <POTD>, playing 31.Nxg4 with an idea to bring the white queen for protection g2 pawn and the king? After 31...hxg4 32.c5 we have such position> Interesting observation. In your variation, white has sacrificed a knight. Blacks keeps up the attack with <32...Qxe2 33.Qxe2 gxf3 34.Qf2 Nxg2 35.Rxf8+ Kxf8 36.Kf1 Ne3+ 37.Ke1 Nxe4>


click for larger view

Nov-11-11  sevenseaman: <scormus> <So many options but the only reply I seriously considered was 34 Bxh6.

I will remark that I was surprised to see how low the players were rated, this looked to me quite a sophisticated game, with W holding his own against the higher rated player until very near the end.

I always like these KID games with pawn storms on opposite wings.>

You have not gone on to list your findings. I was hoping you'd say <34. Bxa6> is the dumbest defense White can put up. Which, sadly it is.

<34. Bxa6> reply gives White no relief at all. It only helps Black finish White off a tad quicker.

Lowly rated may be, but the game fascinates and ends up being quite an entertaining pearl.

Nov-11-11  stst: Looks too simple to me - maybe it's a big miss!
33... Ne3
34.BxQ Rxg2+
35.Kh1 Nf3 with Rg1# or h2# next

White's pieces are out of touch for a escue(If 36.Ne7+, Kf7 with no more checks.)

Nov-11-11  M.Hassan: "Difficult" Black to play 33...?
Sides are equal.

It is Black's move and he can not save the Queen. She is in a desparate condition and the most she can do is to exchange herself with a Bishop or a Knight. Black has to attack and can start by moving the g knight to open way for the Rook attack that will follow:

33...........Ne3
34.Bxa6 Rxg2+
35.Kh1(the only square)....Nf3

Now Black King is in desparate condition and the mate is next move by Rh2# If 36.Nd3 Rg1#
Time to check

Nov-11-11  UnsoundHero: I found a trap that black needs to avoid: 33 c5 Ne3 34 Ne7+ Kf7? 35 Bh5+ Kxe7 36 cxd6+ cxd6 37 Bd8 mate.
Nov-12-11  goldrgr: Nice puzzle.
g2 pawn is vulnerable, white's queen is off from protecting her king, center is closed, other major pieces are off also. From these weaknesses, sacrifices are necessary and speed up the attack by opening up the king's cover with 33) ... Ne3!
if 34) Bxa6 then Rxg2+, 35) Kh1 Nf3! winning.
Black has not much choices.
34) Bg4 is met by Qf1+!
34) Rb4 is met by Qxb4! winning a rook
34) Bb4 is met by Nf3+!
34) Qa1 is met by Rxg2+ then 35)... Qxe2 winning the bishop 34) Qc4 is met by Qxc4 35) Bxc4 Nf3+! winning
34) Nd3 is met by Rxg2+ 35) Kh1 Qxd3 winning a knight [36) Bxd3 Rxa2!] 34) Ng4 is met by Rxg4! Black must force his moves or else he loses his queen. 35) Bxg4 Qf1+ 36) Kh2 Nxg4+ 37) Kh3 Qh1# 0-1
Nov-12-11  scormus: <sevenseaman: <34. Bxa6> reply gives White no relief at all. It only helps Black finish White off a tad quicker.>

why I cant take any credit ... and I never considered 34 g4.

I'm part way looking to see where W went from = to clearly lost. About move 30 game had reached the cusp, one slip and youre in the bottom of the ravine. What makes this game, in fact the whole line so interesting.

Nov-12-11
Premium Chessgames Member
  kevin86: The sharp queen sac is brilliant!
Nov-12-11
Premium Chessgames Member
  morfishine: <UnsoundHero> On your comment: <I found a trap that black needs to avoid: 33 c5 Ne3 34 Ne7+ Kf7? 35 Bh5+ Kxe7 36 cxd6+ cxd6 37 Bd8 mate> Startling, but if 34...Rxe7 (instead of 34...Kf7?) then 35.Bxa6 Nhxg2 36.Rxf8+ Kxf8 37.cxd6 cxd6 38.Bb4 Rg7 39.Bxd6+ Kg8 40.Bxe5 Ne1+ 41.Kh2 Rh7+ 42.Nh3 Rxh3+ 43.Kg1 Nf3+ 44.Kf2 Rh2+ 45.Kxf3 Rxa2 and Black wins:


click for larger view

Nov-14-11  Peter Nemenyi: <PeterB: Does 33....Nf2 also work? I checked a number of variations and they are similar to the 33....Ne3 lines!>

According to Fritz 33...Nxf2 loses. The main problem is that in this line White can give the queen back for rook and knight with an easily won game, e.g. 34. Bxa6 Rxg2+ 35. Kf1 Nxe4 (Nf3 is no better) 36. Qxg2+ Nxg2 37. Kxg2.

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