Jana Jackova Drops Karpov in 22 moves.

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

User avatar
AdminX
Posts: 6363
Joined: Mon Mar 13, 2006 2:34 pm
Location: Acworth, GA

Jana Jackova Drops Karpov in 22 moves.

Post by AdminX »

Jana Jackova Drops Karpov in 22 moves.

A very nice little short game you might enjoy! :wink:

Image

Jackova Jana - Karpov Anatoly [B43]

Snowdrops and Old-hands/Marianske Lazne (1) 2008

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Bd6 8. f4 Bc5 9. Nce2 Nc6 10. c3 d6 11. Kh1 Bd7 12. Qe1 O-O 13. Qh4 Rfe8 14. Nf3 e5 15. b4 Bb6 16. fxe5 dxe5 17. Ng5 h6 18. Rxf6 hxg5 19. Bxg5 Be6 20. Nf4 Ne7 21. Nd5 Qd7 22. Rh6 Ng6 1-0

Position after blacks 20th move:
[d]r3r1k1/1pq1npp1/pb2bR2/4p1B1/1P2PN1Q/2PB4/P5PP/R6K w 21
White to play, Can you find the move played? (No Looking)

Position after blacks 21st move:
[d]r3r1k1/1p1qnpp1/pb2bR2/3Np1B1/1P2P2Q/2PB4/P5PP/R6K w 22
White to play, Whats the best move? (No Looking)
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
Ted Summers
Cubeman
Posts: 644
Joined: Fri Feb 02, 2007 3:11 am
Location: New Zealand

Re: Jana Jackova Drops Karpov in 22 moves.

Post by Cubeman »

What she played in the game 22.Rh6 looks good on the surface.Because 22 ..Ng6 will lose to Nf6+ etc.
Cubeman
Posts: 644
Joined: Fri Feb 02, 2007 3:11 am
Location: New Zealand

Re: Jana Jackova Drops Karpov in 22 moves.

Post by Cubeman »

There are many good moves in that position 22.Nxb6 leads to over +4 also Rxe6 is over +4.But 22.Rh6 is the killer move.
I am surprised that Karpov would allow such a position with so many winning possibilities for his opponent.
Terry McCracken
Posts: 16465
Joined: Wed Aug 01, 2007 4:16 am
Location: Canada

Re: Jana Jackova Drops Karpov in 22 moves.

Post by Terry McCracken »

AdminX wrote:Jana Jackova Drops Karpov in 22 moves.

A very nice little short game you might enjoy! :wink:

Image

Jackova Jana - Karpov Anatoly [B43]

Snowdrops and Old-hands/Marianske Lazne (1) 2008

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Bd6 8. f4 Bc5 9. Nce2 Nc6 10. c3 d6 11. Kh1 Bd7 12. Qe1 O-O 13. Qh4 Rfe8 14. Nf3 e5 15. b4 Bb6 16. fxe5 dxe5 17. Ng5 h6 18. Rxf6 hxg5 19. Bxg5 Be6 20. Nf4 Ne7 21. Nd5 Qd7 22. Rh6 Ng6 1-0

Position after blacks 20th move:
[d]r3r1k1/1pq1npp1/pb2bR2/4p1B1/1P2PN1Q/2PB4/P5PP/R6K w 21
White to play, Can you find the move played? (No Looking)

Position after blacks 21st move:
[d]r3r1k1/1p1qnpp1/pb2bR2/3Np1B1/1P2P2Q/2PB4/P5PP/R6K w 22
White to play, Whats the best move? (No Looking)

I think Karpov was smitten by the young women but stopped short of being mated :wink:
User avatar
AdminX
Posts: 6363
Joined: Mon Mar 13, 2006 2:34 pm
Location: Acworth, GA

Re: Jana Jackova Drops Karpov in 22 moves.

Post by AdminX »

Hi Alex and Terry!

What I found interesting about the game was the following position:

Postion after blacks 17th move
[d]r3r1k1/1pqb1pp1/pbn2n1p/4p1N1/1P2P2Q/2PB4/P3N1PP/R1B2R1K w - - 0 18

Here in the world according to Rybka, whites has a +- 2.22 eval @ depth 18:

Analysis by Deep Rybka 3 64-bit:

18.Rxf6 gxf6[] 19.Nf3
+/= (0.50) Depth: 6 00:00:00 0kN
+/= (0.50) Depth: 10 00:00:00 22kN

18.Nxf7 Kxf7[] 19.Bxh6[] Qd8 20.Ng3[] Rh8 21.Bc4+[] Ke8 22.Nh5[] Qe7 23.Rxf6[] gxf6 24.Nxf6+ Kd8 25.Rd1[] Nd4 26.Qg5[] Rc8 27.Nd5[] Qxg5[] 28.Bxg5+[] Ke8[] 29.Nxb6 Rc6[] 30.cxd4 Bg4 31.Rf1 Rf8 32.Rxf8+ Kxf8 33.dxe5
+/= (0.70 !) Depth: 10 00:00:00 97kN
+- (2.22) Depth: 17 00:10:05 117mN


Jana played 18. Rxf6 which looks strong on the surface to my human eyes, but computers quickly show this leads small advantage for white with about an equal position on the board. Much better was the Sac on f7 with the knight (18. Nxf7) followed by the Bishop sac on h6 (19. Bxh6) in the Rybka variation! Clearly Karpov walked into a bad line of the Sicilian. Now if has was smitten by the young women only he knows and I don't think he will be telling us! :wink:
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
Ted Summers