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Subject: Re: Very Interesting Position- Take A Look !

Author: Kurt Utzinger

Date: 12:58:04 02/02/06

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On February 02, 2006 at 13:06:38, George Speight wrote:

>
>In Round 15 that i just posted in the tournament, a very interesting position
>arose in the last game between Hiarcs 10 and Junior 9. (See the game) After move
>33, Hiarcs 10 saw a line with a sac that would turn a basically even game into a
>7 point advantage and basically Junior was busted. Was it an extaordinary find
>by Hiarcs- probably doubtful, but i dont have the time to plug other engines in
>to see if they would recognize it. The astounding thing to me is that Junior 9
>never anticipated the line, and never evaluated it. Basically he never saw it
>coming. He still saw the game as even. He was floored by Hiarcs 34 move! The
>main point here being that i saw it coming, and believe me my chess game is no
>better than 1900. Would appreciate any thoughts on this sequence, and why Junior
>just didnt see it. Thanks and regards, George


Just give Junior 9 some more time
[D]8/1p1q3k/p1b1pBp1/4P2p/Pn6/1P2Q3/4K1PP/RB1r4 b - - 0 1

Analysis by Junior 9:

33...h4 34.Bxg6+ Kxg6 35.Rxd1
  +-  (2.86)   Depth: 3   00:00:00
33...b5 34.Bxg6+ Kxg6 35.Rxd1
  +-  (2.84)   Depth: 3   00:00:00
33...b6 34.Bxg6+ Kxg6 35.Rxd1
  +-  (2.78)   Depth: 3   00:00:00
33...Nc2 34.Bxc2 Rxa1 35.Qg5 Bb5+ 36.axb5 Qxb5+ 37.Bd3
  µ  (-1.24)   Depth: 3   00:00:00
  ±  (0.93)   Depth: 6   00:00:00  9kN
33...Rxb1 34.Rxb1 Qd5 35.Rf1 Qxg2+ 36.Qf2 Bf3+ 37.Ke1
  ²  (0.66)   Depth: 6   00:00:00  18kN
33...Be4 34.Bxe4 Rxa1 35.Bxg6+ Kg8 36.Bb1 Kf7 37.Qh6 Ra2+ 38.Bxa2 Qd3+ 39.Ke1
Qc3+ 40.Kf2 Qd4+ 41.Ke2 Qb2+ 42.Kf3 Qxa2
  =  (0.24)   Depth: 6   00:00:00  29kN
  ±  (1.24)   Depth: 15   00:00:32  35132kN
33...Nc2 34.Bxc2 Rxa1 35.Bxg6+ Kg8 36.Bb1 Bb5+ 37.axb5 Kf7 38.Bg6+ Kg8 39.Bc2
axb5 40.Qg5+ Kf8 41.Qh6+ Kg8 42.Qh8+ Kf7
  ²  (0.37)   Depth: 15   00:00:51  55048kN
  +-  (3.76)   Depth: 16   00:02:14  142479kN
33...Rxb1 34.Rxb1 Qd5 35.Rg1 a5 36.Be7 Nc2 37.Qf4 Nd4+ 38.Kf2 Nf5 39.g4 hxg4
40.Bd6
  ±  (1.05)   Depth: 16   00:03:00  196043kN
  ±  (1.05)   Depth: 16   00:03:00  196043kN

(Utzinger,  02.02.2006)

[Event "WWIII- 06"]
[Site "?"]
[Date "2006.02.02"]
[Round "?"]
[White "Hiarcs 10"]
[Black "Junior 9"]
[Result "1-0"]
[ECO "D27"]
[PlyCount "77"]
[EventDate "2006.01.20"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2
Qc7 9. Nc3 Bd6 10. dxc5 Bxc5 11. b3 Bd7 12. Bb2 O-O 13. Nd2 Be7 14. Rfc1 Rad8
15. Nce4 Nxe4 16. Nxe4 Qa5 17. f4 Qf5 18. Bd3 Qa5 19. Bc3 Nb4 20. Qg4 g6 21.
Qh3 h5 22. Qg3 Bc6 23. Bb1 Rd7 24. Nf6+ Bxf6 25. Bxf6 Rd2 26. e4 Rfd8 27. Qe3
Rd1+ 28. Rxd1 Rxd1+ 29. Kf2 Qc7 30. Ke2 Qd7 31. f5 Kh7 32. fxg6+ fxg6 33. e5
Be4 34. Bxe4 Rxa1 35. Bxg6+ Kg8 36. Bb1 Kf7 37. Qf3 Ra2+ 38. Bxa2 Kf8 39. Bb1
1-0

Hiarcs 10 - Junior 9, WWIII- 06 2006
8/1p1q3k/p1b1pBp1/4P2p/Pn6/1P2Q3/4K1PP/RB1r4 b - - 0 1

Analysis by Rybka 1.0 Beta 32-bit:

33...Nc2 34.Bxc2
  µ  (-0.87)   Depth: 3   00:00:00
  +-  (1.78)   Depth: 5   00:00:00
33...Rxb1 34.Rxb1
  ±  (0.75)   Depth: 5   00:00:00
33...Be4 34.Bxe4 Rxa1 35.Bxg6+ Kg8 36.Qg5
  =  (0.00)   Depth: 5   00:00:00
  ±  (1.00)   Depth: 8   00:00:01  36kN
33...Nc2 34.Bxc2 Rxa1 35.Bxg6+ Kg8 36.Bc2 Bb5+ 37.axb5 Qxb5+ 38.Bd3
  ±  (0.74)   Depth: 8   00:00:01  50kN
  +-  (3.56)   Depth: 10   00:00:06  188kN
33...Rxb1 34.Rxb1 Bxg2 35.Rd1 Bd5 36.Qd2 a5 37.Kf2 Qc6 38.Kg3
  ±  (1.07)   Depth: 10   00:00:09  294kN
  ±  (0.97)   Depth: 14   00:02:25  5192kN

(Utzinger,  02.02.2006)


Hiarcs 10 - Junior 9, WWIII- 06 2006
8/1p1q3k/p1b1pBp1/4P2p/Pn6/1P2Q3/4K1PP/RB1r4 b - - 0 1

Analysis by Fritz 9:

33...Rd4
  ²  (0.29)   Depth: 7/19   00:00:00  50kN
  +-  (8.54)   Depth: 7/27   00:00:00  142kN
33...Kg8 34.Qh6 Qh7 35.Qxh7+ Kxh7 36.Kxd1 Bxg2 37.a5 Bd5 38.Ra3 Bf3+ 39.Kd2 Nd5
  +-  (8.29)   Depth: 7/27   00:00:00  146kN
  +-  (5.89)   Depth: 7/32   00:00:00  324kN
33...Bf3+ 34.gxf3 Rxb1
  +-  (5.84)   Depth: 7/32   00:00:00  329kN
  +-  (4.62)   Depth: 7/36   00:00:00  367kN
33...Nc2 34.Bxc2 Rxa1 35.Qg3 Qe8 36.Qg5 Bb5+ 37.axb5 Qxb5+ 38.Bd3 Ra2+ 39.Ke3
  +-  (4.62)   Depth: 7/36   00:00:00  371kN
  ±  (0.96)   Depth: 8/40   00:00:01  597kN
33...Be4 34.Bxe4 Rxa1 35.Bxg6+ Kg8 36.Bb1 Kf7 37.Qg5 Ra2+ 38.Ke1 Nd3+ 39.Kf1
Rf2+ 40.Kg1 Rxf6 41.Qxf6+ Ke8 42.Qh8+ Ke7 43.Qh7+ Kd8 44.Qxd3 b5 45.Bc2 bxa4
  ±  (0.96)   Depth: 8/40   00:00:01  692kN
  +-  (5.55)   Depth: 10/55   00:00:03  2068kN
33...Rxb1 34.Rxb1 Nd5 35.Qd2 b5 36.Bg5 bxa4 37.bxa4 Qf7 38.Rf1 Qa7 39.Bf4 Qb6
40.a5 Qa7
  +-  (5.41)   Depth: 10/55   00:00:03  2073kN
  ±  (1.06)   Depth: 15/40   00:02:05  86116kN

(Utzinger,  02.02.2006)


Hiarcs 10 - Junior 9, WWIII- 06 2006
8/1p1q3k/p1b1pBp1/4P2p/Pn6/1P2Q3/4K1PP/RB1r4 b - - 0 1

Analysis by Shredder 9 UCI:

33...Rxb1
  =  (0.25)   Depth: 1/2   00:00:00
  ±  (0.98)   Depth: 1/3   00:00:00
33...Bxg2 34.Bxg6+ Kxg6 35.Rxd1
  -+  (-2.24)   Depth: 1/3   00:00:00
  +-  (3.72)   Depth: 2/4   00:00:00
33...Rxb1 34.Rxb1 Bxg2
  +-  (3.71)   Depth: 2/4   00:00:00
  ±  (1.22)   Depth: 2/5   00:00:00
33...Nc2 34.Bxc2 Rxa1 35.Qg5 Bb5+ 36.axb5 Qxb5+ 37.Bd3 Ra2+ 38.Ke3 Qc5+ 39.Ke4
Qd5+ 40.Ke3
  ±  (1.21)   Depth: 2/5   00:00:00
  ±  (1.20)   Depth: 6/27   00:00:00  26kN
33...Be4 34.Bxe4 Rxa1 35.Bxg6+ Kg8 36.Bb1 Ra2+ 37.Bxa2 Qh7 38.Qg3+ Kf7 39.Bb1
Qh6
  ±  (1.19)   Depth: 6/27   00:00:00  36kN
  +-  (6.64)   Depth: 11/36   00:00:08  2104kN
33...Nc2 34.Bxc2 Rxa1 35.Bxg6+ Kg8 36.Bc2 Bb5+ 37.Kf3 Kf7 38.axb5 Rf1+ 39.Ke2
Rh1 40.Bg6+ Kg8 41.Qd3 Qxd3+
  +-  (6.63)   Depth: 11/38   00:00:09  2537kN
  +-  (4.22)   Depth: 11/39   00:00:13  3634kN
33...Rxb1 34.Rxb1 Qd5 35.Rg1 Nc2 36.Qd3 Nd4+
  +-  (4.21)   Depth: 11/39   00:00:13  3712kN
  +-  (1.65)   Depth: 15/41   00:01:49  29376kN

(Utzinger,  02.02.2006)


Hiarcs 10 - Junior 9, WWIII- 06 2006
8/1p1q3k/p1b1pBp1/4P2p/Pn6/1P2Q3/4K1PP/RB1r4 b - - 0 1

Analysis by Hiarcs 10:

33...Be4 34.Bxe4 Rxa1 35.Bxg6+ Kg8 36.Bb1 Nd5 37.Qg5+ Kf8
  =  (0.09)   Depth: 7/24   00:00:00
  ±  (0.95)   Depth: 7/24   00:00:00  71kN
33...Rxb1 34.Rxb1 Qd5 35.Rf1 Nc2 36.Qd3 Nd4+ 37.Ke1 Qc5 38.Qc4 Qxc4 39.bxc4 Bxg2
40.Rf4 Nf5
  ±  (0.95)   Depth: 7/24   00:00:01  127kN
  ±  (1.08)   Depth: 12/36   00:00:39  5535kN
33...Kg8 34.Qg5 Bb5+ 35.axb5 Qxb5+ 36.Kxd1 Qf1+ 37.Kd2 Qf2+ 38.Kc3 Qc5+ 39.Kb2
Qd4+ 40.Ka3 Nc2+ 41.Bxc2 Qxa1+ 42.Kb4 Qd4+ 43.Ka5 Qc3+ 44.Kb6 Qb4+ 45.Kc7 Qc5+
  ±  (1.07)   Depth: 12/39   00:01:41  13717kN
  ²  (0.63)   Depth: 13/40   00:03:12  26177kN

(Utzinger,  02.02.2006)










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