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dalbertz
Member since Apr-27-06 · Last seen May-23-13
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   dalbertz has kibitzed 1335 times to chessgames   [more...]
   Mar-23-13 Carlsen vs Radjabov, 2013 (replies)
 
dalbertz: <Why spend a tempo on this when it would always be available to a later check anyway?> Save a tempo for later when it's more important? Seems like both are playing a waiting game right now, waiting for something to crack. But it seems to me that Carlsen has all the pressure ...
 
   Mar-07-13 Louis F Stumpers (replies)
 
dalbertz: <Sneaky: <dalbetz> <So the answer is both guess $50 and that's the price agreed.> I think you've been led astray. If I was the seller, and I knew you were going to bid $50, I would then bid $100. 75% of the time you'd pay $50 and 25% of the time you'd pay $100 for an
 
   Mar-03-13 Kenneth Rogoff (replies)
 
dalbertz: (1) The intellectual stance that a missionary might take on a given issue. (2) The sexual meaning. (3) The location or physical stance assumed by a missionary.
 
   Nov-23-10 The World vs N Pogonina, 2010 (replies)
 
dalbertz: < OhioChessFan: <dalbertz suggests: 33.h4 Ra3 34. Nc4 Ba4 35. Qd2 Bxd1 36. Nxa3 Bb3 37. Qc3 Bd5 38. Nc2 g6 39. Nb4 Kg7 40. Nxd5 cxd5 41. Bf1 e5 42. dxe5 Nxe5 43. Nxe5 Bxe5 > I've got my engine running on other things, but 40. Ng5 looks playable.> A definite improvement,
 
   Nov-18-10 World Blitz Championship (2010) (replies)
 
dalbertz: Did anyone else notice how much trouble Carlsen had playing against anyone named "Boris"? :)
 
   Jul-16-10 O De la Riva Aguado vs Ermenkov, 2008 (replies)
 
dalbertz: <23. Qh3 (thus threatening mate 24. Qh8# the next move, with the help of the pawn sitting on f6. Note that Black has no meaningful checks in reply, and all it's pieces are cut-off). Am I missing something huge here?> 23. Qh3 Qxg5+ 24. Kb1 Qxf6 and the h8 square is covered.
 
   Jun-14-10 Nigel Short (replies)
 
dalbertz: Well done, GM Short. And thanks for all the Chessbucks! :)
 
   May-07-10 Battle of the Brains 3, 2009 (replies)
 
dalbertz: team white If 28...Qb8 someone might want to take a look at 29.Bc4 [DIAGRAM] It attacks the knight twice and prevents black from putting the rook on a2. Would that be of any use?
 
   May-06-10 Anand vs Topalov, 2010 (replies)
 
dalbertz: <Train: <Tablebase draw.> That doesn't mean that Topalov finds all the right moves.> Correct. There are losing moves for Black in the tablebase.
 
   Apr-16-10 E Schallopp vs Blackburne, 1887 (replies)
 
dalbertz: <<What about 47...Re5+! instead of 47...Rh4+?> Then <48.Rg5>. Either Black exchanges, or he retreats his rook and white remove his own rook from the g file. In both cases the black king isn't stalemated anymore.> 48.Rg5 would be an illegal move, since white would ...
 
(replies) indicates a reply to the comment.

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 77 OF 77 ·  Later Kibitzing>
Mar-25-09
Premium Chessgames Member		  kutztown46: 10. Rd1 Qe7 11. Na2 Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 21/22-ply


click for larger view

Analysis by Fritz 10:

1. = (-0.04): 14...Nc5 15.Nc3 Re8 16.Rb1 Be5 17.e4 Bg4 18.f3 Ne6 19.Be3 Nxd4 20.Bxd4 Bxd4+ 21.Rxd4 Qc5 22.Qf2 Be6 23.Rbd1

2. = (0.09): 14...Be5 15.Nf5 Qc5 16.Nc3 Nb6 17.Be3 Qb4 18.Ne4 Nxe4 19.Bxe4 Nc4 20.Bd4 Bxf5 21.Bxf5 g6 22.Bxe5 Nxe5

==

3. = (0.11): 14...Bc7 15.Be3 Ng4 16.Nf5 Qf6 17.Bd4 Nde5 18.e4 Bxf5 19.exf5 Rad8 20.Nc3 Rxd4 21.Rxd4 Nf3+ 22.Bxf3 Qxd4

4. = (0.13): 14...Ne5 15.Bf4 Rd8 16.Rac1 Nh5 17.Bd2 Bc7 18.Bc3 Nf6 19.Nf5 Qe6 20.Rxd8+ Bxd8 21.e4 Bb6

5. = (0.16): 14...Bb8 15.Nf5 Qc5 16.Qxc5 Nxc5 17.Ne7+ Kh8 18.Nxc8 Rxc8 19.Be3 Nxa4 20.b3 Nb2 21.Rdb1 a4 22.bxa4 Nxa4

6. = (0.17): 14...Nb6 15.e4 Re8 16.Be3 Bd7 17.f3 Rac8 18.Bf2 c5 19.Nb5 Bb8 20.Nac3 Qe5 21.Rac1

7. = (0.25): 14...Nb8 15.Be3 Re8 16.Nf5 Bxf5 17.Qxf5 Nbd7 18.Rac1 Rad8 19.Qxa5 Ra8 20.Qf5 Rxa4 21.Nc3 Raa8 22.Bd4 Bc5

8. ² (0.37): 14...Bc5 15.Nf5 Qe6 16.h3 Re8 17.Nc3 Bf8 18.Bf4 Ne5 19.e4 Bd7 20.Be3 Nc4 21.Bd4 Rad8

9. ± (0.75): 14...g6 15.Bg5 Re8 16.Rac1 Be5 17.e4 Nf8 18.f4 Bxd4+ 19.Rxd4 Ne6 20.Bxf6 Qxf6 21.Rd2 Qg7

10. ± (0.89): 14...Bb4 15.Nxb4 axb4 16.e4 Qc5 17.Bf4 Qxc2 18.Nxc2 Re8 19.f3 Nc5 20.Nxb4 Be6 21.a5 Nb3 22.Ra3 Rxa5

Mar-25-09  zanshin: ~~~~~ MARKER ~~~~~

Black alternates:

10…h6, Nb6, Qb6

11…Nb6

12…Re8

13...Re8, h6, Rd8

14…none

Mar-27-09
Premium Chessgames Member		  kutztown46: 10...Qe7 11. Na2 Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 Nc5 15. b3 21-ply


click for larger view

Analysis by Fritz 10:

1. = (-0.14): 15...Nce4 16.f3 Nc5 17.e4 Re8 18.Bb2 Na6 19.Rd3 Bd7 20.Rc1 Rac8 21.Rcd1 Be5 22.Qd2

2. = (-0.13): 15...Na6 16.Nf5 Bxf5 17.Qxf5 Be5 18.Rb1 Rfd8 19.Bd2 Nc5 20.Qc2 Bd6 21.Nc3 Ne6 22.Ne4 Nd4 23.Qd3

3. = (-0.13): 15...Re8 16.Bb2 Nce4 17.e3 Bd7 18.Nc3 Nxc3 19.Bxc3 Bb4 20.Bxb4 Qxb4 21.Rac1 Bg4 22.f3 Bd7

4. = (-0.13): 15...Bd7 16.Ba3 Rfe8 17.Nf5 Bxf5 18.Qxf5

5. = (-0.11): 15...Rd8 16.Bb2 Nce4 17.e3 Bd7 18.Rac1 Re8 19.Nc3 Nxc3 20.Qxc3 Bg4 21.Bf3 Bb4 22.Qc2 Bxf3 23.Nxf3 Rad8

6. = (-0.03): 15...Bg4 16.h3 Bd7 17.Nc3 Rfe8 18.Ba3 Rad8 19.Rd2 h5 20.Rad1 Nce4 21.Bxd6 Nxd6 22.e4 c5

7. = (0.05): 15...Be6 16.b4 axb4 17.Nxb4 Bd7 18.Bb2 Nce4 19.Nd3 Rfc8 20.e3 b6 21.Nb3 b5 22.Nd2 Bf5 23.Nxe4

8. = (0.05): 15...Kh8 16.Ba3 Re8 17.Nc3 Bd7 18.Nf5 Bxf5 19.Qxf5

9. = (0.10): 15...h6 16.Ba3 Nce4 17.Bxd6 Nxd6 18.Qc5 Nf5 19.Qxe7 Nxe7 20.Nc3 Rd8 21.Rac1 Nf5 22.Nf3 Be6 23.e4 Ne7

10. = (0.16): 15...h5 16.Ba3 Nce4 17.Bxd6 Nxd6 18.Nc3 Re8 19.Qd3 Nde4 20.Nxe4 Nxe4 21.Rac1 Nf6 22.e3 h4 23.Nf5

Mar-27-09  zanshin: <After 10...Qe7 11.Na2>


click for larger view

[+0.01] d=22 11...Bd6 12.Qxc4 e5 13.Qc2 Re8 14.Nc3 h6 15.e4 Bb4 16.h3 exd4 17.Nxd4 Nc5 18.f3 Na6 19.g4 (4:43.32) 1921920kN

[+0.19] d=22 11...Nb6 12.Ne5 Bd6 13.Bg5 h6 14.Bxf6 Qxf6 15.Nxc4 Nxc4 16.Qxc4 Rd8 17.Nc3 Qe7 18.Ne4 Bc7 (5:09.47) 2098756kN

[+0.39] d=22 11...e5 12.dxe5 Nxe5 13.Nxe5 Qxe5 14.Nxb4 axb4 15.Qxc4 Be6 16.Qxb4 Qxe2 17.Bg5 Qg4 18.Qxg4 Nxg4 19.a5 f6 20.Bf4 Rad8 21.Re1 Bb3 22.h3 Ne5 23.a6 bxa6 24.Rxa6 (5:41.01) 2300010kN

[+0.47] d=22 11...Re8 12.Nxb4 Qxb4 13.Bd2 Qb3 14.Qxb3 cxb3 15.Ra3 b6 16.Ne5 Nxe5 17.dxe5 Nd5 18.Rxb3 Ba6 19.Rc1 Bxe2 20.Rxc6 Bd1 21.Ra3 Rab8 22.Rc1 Be2 23.Bxd5 exd5 24.Be3 b5 25.axb5 (5:41.01) 2300010kN

[+0.44] d=21 11...c5 12.Nxb4 axb4 13.dxc5 Nxc5 14.Bf4 Ra6 15.Qxc4 Nxa4 16.Qd4 Nd5 17.Bd2 Qc5 18.e4 Qxd4 19.Nxd4 Nxb2 20.exd5 Nxd1 21.Rxd1 exd5 22.Bxb4 Rd8 23.f4 Bg4 24.Rb1 g6 (3:45.36) 1545167kN

[+0.45] d=21 11...Rd8 12.Nxb4 Qxb4 13.Bd2 Qb3 14.Qxb3 cxb3 15.Be1 Nd5 16.e4 Ne7 17.Rd3 h6 18.Rxb3 Nf6 19.Re3 Ng4 20.Rd3 (2:47.26) 1129777kN

[+0.51] d=21 11...h6 12.Nxb4 Qxb4 13.Bd2 Qb3 14.Qxb3 cxb3 15.Ra3 b6 16.Rc1 Ba6 17.Ne5 Nxe5 18.dxe5 Nd7 19.Bxc6 Rad8 20.Bc3 Bxe2 21.Bxd7 Rxd7 22.Rxb3 Rb8 23.Bxa5 Rd1 24.Rxd1 Bxd1 25.Rxb6 Rxb6 26.Bxb6 Bxa4 (4:04.04) 1676973kN

[+0.54] d=21 11...Ra6 12.Nxb4 Qxb4 13.Bd2 Qb3 (4:27.02) 1817819kN

[+0.65] d=21 11...Nd5 12.Qxc4 Bd6 13.e4 N5b6 14.Qb3 h6 15.Be3 Bc7 16.Nc1 Qb4 17.Qa2 Nf6 18.Nd3 (4:34.26) 1863822kN

[+0.73] d=21 11...Ra7 12.Nxb4 Qxb4 13.Bd2 Qb3 14.Qc1 h6 15.Be1 Qb6 16.Qxc4 Ra8 17.b4 (4:34.26) 1863822kN

Mar-28-09  zanshin: ~~~~~ MARKER ~~~~~~~

Black Alternates Forum

11…Nb6

12…Re8

13...Re8, h6, Rd8

14…none

15...Bg4, Bd7, Re8, Nce4

Mar-29-09
Premium Chessgames Member		  hoodrobin: Possibly:
11.Na2 Bd6 12.Qxc4 e5 13.Qc2 <Re8> 14.Nc3 h6 15.e4 Bb4 16.h3 exd4 17.Nxd4 Nc5 =
Mar-31-09  zanshin: ~~~~~~ MARKER ~~~~~

Black alternates:

11…Nb6

12…Re8

13...Re8, h6, Rd8

14…none

15…Bg4, Bd7, Re8, Nce4

Apr-01-09  zanshin: <Overnight run; Rybka 3; after 11…Bd6 12. Qxc4>


click for larger view

[+0.00] d=22 12...e5 13.Qc2 h6 14.Nxe5 Nxe5 15.dxe5 Qxe5 16.Nc3 Qe7 17.Be3 Re8 18.Bd4 Be5 19.e4 Bxd4 20.Rxd4 Bg4 21.f3 (9:18.46) 5618270kN

[+0.00] d=21 12...h6 13.Qc2 e5 14.Nxe5 Nxe5 15.dxe5 Qxe5 16.Nc3 Qe7 17.Be3 Re8 18.Bd4 Be5 19.e4 Bxd4 20.Rxd4 Bg4 21.f3 (5:54.36) 4244507kN

[+0.00] d=22 12...Re8 13.Nh4 Qf8 14.e4 e5 15.Nf5 Nb6 16.Qb3 Bc7 17.dxe5 Be6 18.Qc3 Bxf5 19.exf6 Bxe4 20.Bxe4 Rxe4 21.Be3 Qe8 22.Qc2 Qe6 23.Nc3 Rb4 (10:58.28) 6359073kN

[+0.05] d=22 12...Rd8 13.Qc2 e5 14.Be3 Ng4 15.dxe5 Ndxe5 16.Bb6 Re8 (12:10.27) 6865636kN

[+0.12] d=22 12...Bc7 13.Qc2 e5 14.Nc3 exd4 15.Nxd4 Nc5 (12:36.11) 7044942kN

[+0.21] d=21 12...Ra6 13.Be3 Re8 14.Nc1 h6 15.Nd3 Ng4 16.Qc1 Ra8 17.Qd2 Nxe3 18.Qxe3 f6 19.Nd2 (7:34.25) 4925932kN

[+0.27] d=21 12...Rb8 13.Qc2 Re8 14.Bd2 Ra8 15.Nc1 e5 16.e4 exd4 17.Nxd4 Nc5 18.f3 Rd8 19.Nce2 Be5 (8:17.50) 5228998kN

[+0.27] d=21 12...Kh8 13.Nh4 Nb6 14.Qc2 Re8 15.e4 e5 16.dxe5 Bxe5 17.Be3 Bc7 18.Bc5 Qe6 19.b3 Nxe4 20.Re1 Nxc5 (8:17.50) 5228998kN

[+0.31] d=21 12...Nb6 13.Qc2 Nbd7 14.Nh4 h6 15.e4 Bc7 (8:52.22) 5420325kN

[+0.36] d=21 12...Bb8 13.b4 Rd8 14.Qb3 e5 15.b5 Bd6 16.bxc6 bxc6 17.Qc2 Ba6 18.dxe5 Nxe5 19.Nd4 Bc5 20.Be3 Ba7 21.Nf5 Qc7 22.Nc3 (8:17.50) 5228998kN

Apr-02-09
Premium Chessgames Member		  kutztown46: 11...Bd6 12. Qxc4 e5 13. Qc2 exd4 14. Nxd4 Nc5 15. b3 Rd8 16. Bb2 21/22-ply


click for larger view

Analysis by Fritz 10:

1. = (-0.11): 16...Nce4 17.e3 Bd7 18.Rac1 Re8 19.f3 Nc5 20.e4 Na6 21.Rd3 Rad8 22.Rcd1 Bc7 23.R3d2 Bb6

2. = (-0.05): 16...Re8 17.e4 Na6 18.Rd2 Bd7 19.Rad1 Bc7 20.h3 Rad8 21.Ne2 Be5 22.Nd4 Qc5 23.Bc3 Bc7 24.Nf3 Be6 25.Rxd8 Bxd8

3. = (0.00): 16...Bg4 17.h3 Bd7 18.e3 Re8 19.Rac1 Nce4 20.Nc3 Nc5 21.Nce2 Nce4 22.Nc3

4. = (0.00): 16...Qc7 17.e4 Bf8 18.h3 Qb6 19.Rab1 Re8 20.Re1 Bd7 21.Bc3 Qc7 22.Rbd1 Qb6 23.Rb1

==

5. = (0.03): 16...Bd7 17.e4 Be5 18.Rac1 Na6 19.h3 Re8 20.Bc3 Nb4 21.Nxb4 axb4 22.Bb2 Bd6 23.Nf5 Bxf5

6. = (0.03): 16...Na6 17.h3 Bc7 18.Rac1 Bd7 19.e3 Be5 20.e4 Re8 21.Bc3 Nb4 22.Nxb4 axb4 23.Bb2 Bd6 24.Nf5 Bxf5

7. = (0.07): 16...Qe8 17.e4 Bf8 18.Re1 Be6 19.h3 Rd7 20.Bc3 Rdd8 21.Rab1 Kh8 22.Rbd1 Rxd4 23.Rxd4

8. = (0.12): 16...Qf8 17.Rac1 Re8 18.h3 Qe7 19.Nf5 Bxf5 20.Qxf5 Nce4 21.Nc3 g6 22.Qf3 Ng5 23.Qd3 Rad8

9. = (0.12): 16...Be6 17.Rac1 Bg4 18.h3 Bd7 19.e3 Nce4 20.Nc3 Nxc3 21.Qxc3 Re8 22.Qd2

10. = (0.17): 16...Rf8 17.Rac1 Re8 18.e4 Qf8 19.Re1 Na6 20.h3 Bc7 21.Bf1 Bd7 22.Rcd1 Bb6 23.e5

Apr-02-09
Premium Chessgames Member		  Tabanus: More "idea" lines

11...Bd6 12.Qxc4 e5 13.Qc2 Re8 14.e4 exd4 15.Nxd4 Nc5

16.Nf5 Bxf5 17.exf5 Rad8 18.Be3 Na6

16.f3 h5 17.Bg5 Be5 18.Nc3 Bxd4 19.Rxd4 Ne6 20.Bxf6 Qxf6 21.Rdd1 Qe7 22.e5 Nc5

Apr-03-09  zanshin: <Overnight run; Rybka 3; after 11...Bd6 12.Qxc4 e5 13.Qc2>


click for larger view

[+0.00] d=21 13...exd4 14.Nxd4 Nc5 15.Nc3 Be5 16.Nf3 Bd6 17.Nd4 Be5 18.Nf3 Bd6 19.Nd4 Be5 20.Nf3 Bd6 21.Nd4 Be5 22.Nf3 Bd6 23.Nd4 Be5 24.Nf3 Bd6 25.Nd4 Be5 26.Nf3 Bd6 27.Nd4 Be5 28.Nf3 Bd6 (11:59.24) 5245612kN

[+0.05] d=21 13...Rd8 14.Be3 Ng4 15.Bg5 f6 16.Bd2 exd4 17.Nxd4 Nc5 18.Be1 Ne5 19.Nc3 g6 20.Ne4 (13:30.45) 5842401kN

[+0.07] d=21 13...Re8 14.e4 h6 15.Nc3 Bb4 16.Rb1 exd4 17.Nxd4 Nb6 18.h3 Rd8 19.Ra1 Re8 20.Rd3 Nc4 (13:01.24) 5618061kN

[+0.07] d=20 13...h6 14.e4 Rd8 15.Nc3 Bc7 16.Be3 exd4 17.Nxd4 Ne5 18.h3 Nc4 19.Bf4 Bxf4 (4:04.05) 1792243kN

[+0.14] d=20 13...Bc7 14.b3 exd4 15.Nxd4 Nb8 16.Bb2 Re8 17.Rab1 Bg4 18.Rd2 Na6 (5:13.56) 2264959kN

[+0.18] d=20 13...Kh8 14.Nc3 exd4 15.Nxd4 Nc5 16.e4 Bd7 17.f3 Rad8 18.Nce2 Bc7 19.Bf4 Bb6 (9:53.07) 4392713kN

[+0.20] d=20 13...Ra6 14.dxe5 Nxe5 15.Nxe5 Bxe5 16.Be3 Re8 17.Nc1 Bd6 18.Nb3 Ra8 19.Bd4 h5 20.Qd2 (7:34.53) 3485077kN

[+0.22] d=20 13...Bb8 14.b3 Bd6 15.Nc3 Bb4 16.e4 exd4 17.Nxd4 Re8 18.Bb2 g6 19.f3 Rd8 (5:27.57) 2355463kN

[+0.25] d=20 13...Ng4 14.Nc3 exd4 15.Ne4 Bc7 16.Nxd4 Ndf6 17.Ra3 Nxe4 18.Bxe4 h6 19.h3 Nf6 20.Bg2 Nd5 21.Bxd5 (10:56.33) 4838873kN

[+0.26] d=20 13...Rb8 14.Be3 exd4 15.Nxd4 Ne5 16.Nb3 Ra8 17.Rxd6 Qxd6 18.Bc5 Qc7 19.Bxf8 Kxf8 20.Rd1 Be6 21.Nac1 Qe7 22.Nc5 Bd5 (6:28.55) 3047755kN

Apr-03-09  zanshin: ~~~~~~ MARKER ~~~~~~


click for larger view

Black Alternates:

12…Re8
13...Re8, h6, Rd8
14…none
15…Bg4, Bd7, Re8, Nce4
16…Nce4, Re8

Apr-04-09  zanshin: <Deep run; Rybka 3; after 11...Bd6 12.Qxc4 e5 13.Qc2 exd4 14.Nxd4>


click for larger view

[+0.00] d=20 14...Nc5 15.Be3 Ng4 16.Nxc6 bxc6 17.Rxd6 Nxe3 18.Qxc5 Nxg2 19.Kxg2 Qe4 20.Kg1 Bh3 21.Qxc6 Qxe2 22.Qb5 Qe4 23.Qc6 Qe2 24.Qb5 Qe4 25.Qc6 Qe2 26.Qb5 Qe4 27.Qc6 Qe2 28.Qb5 Qe4 29.Qc6 Qe2 (2:59.59) 1343437kN

[+0.07] d=20 14...Ne5 15.Nc3 Bb4 16.h3 Rd8 17.Bf4 h6 18.g4 Ng6 19.Bg3 h5 20.Nf5 (3:10.10) 1412746kN

[+0.10] d=20 14...Be5 15.Nf3 Bc7 16.Be3 Bb6 17.Bd4 Re8 18.Nc1 h6 19.e3 Bxd4 20.Nxd4 Nc5 (4:08.40) 1808280kN

[+0.14] d=20 14...Bc7 15.b3 Nb8 16.Bb2 Na6 17.Rd2 Qc5 18.Rad1 Qxc2 19.Nxc2 Nc5 20.Nc1 (4:08.40) 1808280kN

[+0.19] d=20 14...Nb8 15.Bd2 Rd8 16.Bc3 Bc7 17.b4 (4:42.46) 2025710kN

[+0.24] d=19 14...Nb6 15.Nc3 (2:40.15) 1076107kN

[+0.24] d=19 14...Bb8 15.Nc3 (2:40.15) 1076107kN

[+0.32] d=19 14...Bc5 15.Nc3 (2:40.15) 1076107kN

[+0.35] d=19 14...g6 15.Bg5 Re8 16.Nc1 Kg7 17.e4 h6 18.Bd2 Bc7 19.Nd3 Rd8 (2:40.15) 1076107kN

[+0.87] d=19 14...Bb4 15.Nxb4 axb4 16.e4 Re8 17.a5 Nc5 18.f3 Na6 19.Be3 h6 20.Rd2 Qe5 21.Bf4 Qh5 22.Bd6 (2:59.59) 1343437kN

Apr-05-09
Premium Chessgames Member		  Tabanus: My previous "idea" line was unsuccessful. Next: is

12...e5 13.Qc2 Re8 14.e4 h6 15.Nc3 Bc7 16.d5 cxd5 17.exd5 <e4>

playable? The following lines are not very heavily tested.

A. 18.Nxe4 Qxe4 19.Qxc7 Nxd5 20.Qd6 N7f6 21.Nh4* Qe6 22.Qxe6

[22.Bxd5 Qxd6 23.Bxf7+ Kxf7 24.Rxd6 Re1+ 25.Kg2 Ra6 26.Nf3 Rxd6 27.Nxe1 Rd1 -0.20/21]

[22.Rxd5 Qe1+ 23.Bf1 Nxd5 24.Qxd5 Bh3 25.Ng2 Bxg2 26.Kxg2 Rad8 27.Qb5! =]

[22.Qc5 b6 23.Qd4 Bb7 =]

22...Bxe6 =

B. 18.Nh4 Ne5 19.Nxe4 Nxe4 20.Bxe4

[20.Qxe4 Bg4 21.d6 Nf3+ 22.Bxf3 Qxe4 23.Bxe4 Bxd1 24.Bxb7 Rab8 25.dxc7 Rxb7 26.Bd2 Bg4 27.Bxa5 Rxb2 28.Ng2 Ra8 29.Be1 Rb7 30.Ne3 Be6 (30...Bc8 31.Nd5 Kh7 32.Rc1 Rxa4 33.Ne7 Ra8 =) 31.Rc1 Kf8 32.f4 f5 33.Rc5 Ke7 0.00/24]

20...Bg4 21.f3 Rac8 22.Qb3 Bd7 =

*21.Qa3 may be better.

Apr-05-09  zanshin: <Deep run; Rybka 3; after 11...Bd6 12.Qxc4 e5 13.Qc2 exd4 14.Nxd4 Nc5 15.b3>


click for larger view

[+0.00] d=19 15...Bg4 16.h3 Bd7 17.Ba3 Rad8 18.Rac1 Nfe4 19.e3 Rfe8 20.Nc3 Na6 21.Bxd6 (4:57.12) 2886661kN

[+0.00] d=19 15...Nce4 16.f3 Nc5 17.e4 Rd8 18.Be3 Ncxe4 19.fxe4 Ng4 20.Bf2 Nxf2 21.Qxf2 Bc5 22.Rac1 (7:10.22) 3733307kN

[+0.06] d=19 15...Bd7 16.Ba3 Rfd8 17.Rac1 Nfe4 18.Nc3 Na6 19.Bxd6 Nxd6 20.e4 Nb4 21.Qe2 f6 (5:40.32) 3164943kN

[+0.09] d=19 15...Na6 16.Bb2 Bc7 17.Rac1 Bg4 18.Rd2 Rad8 19.e4 Be5 20.h3 (7:47.10) 3987386kN

[+0.10] d=19 15...Re8 16.Ba3 g6 17.Rac1 Nce4 18.Bxd6 Nxd6 19.Qc5 Nfe4 20.Bxe4 Nxe4 21.Qxe7 Rxe7 22.f3 Ng5 23.Kf2 Ne6 (5:03.53) 2927888kN

[+0.10] d=19 15...g6 16.Ba3 Re8 17.Rac1 Nce4 18.Bxd6 Nxd6 19.Qc5 Nfe4 20.Bxe4 Nxe4 21.Qxe7 Rxe7 22.f3 Ng5 23.Kf2 Ne6 (5:23.44) 3043798kN

[+0.10] d=19 15...h5 16.Ba3 Re8 17.Rac1 Nfe4 18.f3 Qg5 19.fxe4 Nxe4 20.Bxe4 Bxa3 (5:28.36) 3083633kN

[+0.10] d=19 15...Be6 16.b4 axb4 17.Nxb4 Bd7 18.Nd3 (6:43.08) 3560606kN

[+0.18] d=18 15...h6 16.Ba3 Re8 17.Rac1 Nfe4 18.e3 Bd7 19.Ne2 Nxf2 20.Rxd6 Nh3 (1:37.28) 612577kN

[+0.19] d=18 15...Rd8 16.Bxc6 Be6 17.Nxe6 Qxe6 18.Bf3 Rac8 19.Nc3 Nxb3 20.Rb1 Nxc1 21.Rbxc1 b6 22.Qd2 g6 23.Nd5 Rxc1 24.Qxc1 (2:58.13) 1488845kN

Apr-06-09
Premium Chessgames Member		  kutztown46: 12...e5 13. Qc2 exd4 14. Nxd4 Nc5 15. b3 Rd8 16. Bb2 Bg4 17. h3 22-ply


click for larger view

Analysis by Fritz 10:

1. = (0.00): 17...Bd7 18.Nc3 Re8 19.e3 Rad8 20.Ba3 Qe5 21.Nf3 Qe7 22.Nd4

2. = (0.16): 17...Bc8 18.Nc3 Be5 19.Nf3 Bd6 20.e3 Be6 21.Nd4

3. = (0.22): 17...Be6 18.b4 axb4 19.Nxb4 Bd7 20.a5 Nce4 21.Nd3 c5 22.Nf3 Be6 23.Nf4 Bxf4 24.gxf4 Rxd1+ 25.Qxd1 Rd8 26.Qc2 Bf5 27.Qc4

4. ± (1.11): 17...Bh5 18.Nf5 Qf8 19.Bxf6 gxf6

Apr-08-09
Premium Chessgames Member		  kutztown46: 13. Qc2 exd4 14. Nxd4 Nc5 15. b3 Rd8 16. Bb2 Nce4 17. e3 21/22-ply


click for larger view

Analysis by Fritz 10:

1. = (-0.09): 17...Bc5 18.h3 Bb6 19.Rac1 h5 20.Re1 Ng5 21.h4 Nh3+ 22.Kf1 Bg4 23.Nc3 Re8 24.f3 Bxd4 25.exd4

2. = (-0.06): 17...Bd7 18.Nc3 Nxc3 19.Bxc3 Be5 20.Rd3 Nd5 21.Bxd5 cxd5 22.Qd2 b6 23.Nf3 Bxc3 24.Rxc3 Qe4 25.Nd4 Rdc8

3. = (0.00): 17...Bc7 18.Nc3 Nxc3 19.Qxc3 Bg4 20.f3 Bd7 21.e4 Bb6 22.Kh1 Bc5 23.Qc2 Bb4 24.Ne2 Ne8 25.Rd3 Nc7

4. = (0.00): 17...Ng5 18.Nf5 Bxf5 19.Qxf5 Nge4 20.Nc3 g6 21.Nxe4 gxf5 22.Nxf6+ Kf8 23.Nxh7+ Kg8 24.Nf6+ Kf8 25.Nh7+

5. = (0.00): 17...h5 18.Nc3 Nxc3 19.Bxc3 Bb4 20.Bb2 Bg4 21.Rd3 h4 22.f3 Bd7 23.Rad1 Bd6 24.Qd2 Bb4 25.Qc2

6. = (0.01): 17...h6 18.Rac1 Ng5 19.e4 Bc7 20.Kh1 Bb6 21.f3 Nh3 22.Rd2 Nf2+ 23.Kg1 Nh3+ 24.Kf1 c5

7. = (0.05): 17...Qe8 18.h3 Bf8 19.Nc3 Nc5 20.Rac1 Be6 21.Rb1 Bc8 22.Ra1 Bd7 23.Nce2 Nce4

8. = (0.08): 17...Kh8 18.Rac1 Re8 19.f3 Nc5 20.e4 Na6 21.Qd2 Bc7 22.Kh1 Rd8 23.Qg5 Ng8 24.Qxe7 Nxe7 25.Nc3 Bb6 26.Nce2

==

9. = (0.10): 17...Nc5 18.h3 Bd7 19.Nc3 Rac8 20.Ba3 b6 21.Rac1 h5 22.Nf3 Be6 23.Rb1 Nd5 24.Nd4 Nxc3

10. = (0.11): 17...Re8 18.Nc3 Nxc3 19.Bxc3 Be5 20.e4 Bg4 21.f3 Bd7 22.Rac1 c5 23.Nb5 Bxc3 24.Qxc3 Bxb5 25.axb5 b6

Apr-09-09  zanshin: <Overnight run; Rybka 3; after 13.Qc2 exd4 14.Nxd4 Nc5 15.b3 Rd8 16.Bb2>


click for larger view

[+0.00] d=21 16...Nce4 17.e3 Ng5 18.Nf5 Bxf5 19.Qxf5 Nge4 20.Nc3 g6 21.Nxe4 gxf5 22.Nxf6 Kf8 23.Nxh7 Ke8 24.Nf6 Kf8 25.Nh7 Ke8 26.Nf6 Kf8 27.Nh7 Ke8 28.Nf6 Kf8 29.Nh7 Ke8 30.Nf6 Kf8 31.Nh7 Ke8 (11:28.34) 4515388kN

[+0.00] d=21 16...Bg4 17.h3 Bd7 18.Nc3 Re8 19.Rd2 Rad8 20.Rad1 Bxg3 21.fxg3 Qe3 (13:12.28) 5197095kN

[+0.07] d=21 16...Re8 17.Rac1 Bd7 18.e4 Na6 19.Re1 Bc5 20.e5 Nd5 21.Be4 g6 22.Bxd5 cxd5 (13:53.01) 5468503kN

[+0.10] d=21 16...Bd7 17.e4 Be5 18.Rac1 Na6 19.h3 Rac8 20.f4 Bb8 21.Nc3 (14:56.00) 5902604kN

[+0.09] d=20 16...Be6 17.Rac1 Rd7 18.Nxe6 Nxe6 19.Bc3 Nc7 20.e4 Be5 21.Bxe5 Qxe5 22.f4 Qe7 23.Rxd7 Nxd7 24.Rd1 (7:13.44) 2803856kN

[+0.12] d=20 16...Qe8 17.e4 Bf8 18.Nc3 h5 19.h3 h4 20.gxh4 Qe5 21.Nde2 Rxd1 22.Rxd1 Qh5 23.e5 Bf5 24.Qd2 (7:13.44) 2803856kN

[+0.16] d=20 16...Qc7 17.Nc1 Bg4 18.Nd3 Nxd3 19.Rxd3 Bh5 20.e4 Bg6 21.f3 Nd7 22.Rd2 (7:41.12) 3004328kN

[+0.17] d=20 16...Ng4 17.e4 Ne5 18.Nf5 Bxf5 19.exf5 h6 20.Rac1 Rd7 21.f6 gxf6 22.Bh3 Rdd8 23.Bf5 (8:52.24) 3509634kN

[+0.18] d=20 16...Na6 17.Rd2 Nb4 18.Nxb4 Bxb4 19.Rd3 Qc5 20.Rad1 Qxc2 21.Nxc2 Rxd3 22.Rxd3 Be7 23.Nd4 g6 24.Re3 Bc5 (8:08.07) 3202553kN

[+0.19] d=20 16...Qf8 17.Rac1 Qe8 18.e4 Bf8 19.Nc3 Na6 20.h3 h6 21.Qe2 Nc5 (9:27.34) 3795659kN

Apr-09-09
Premium Chessgames Member		  Tabanus: 13.Qc2 exd4 14.Nxd4 Nc5 15.b3 Re8 16.Ba3 Nfe4 17.Rac1 Bd7 18.Bxe4 Nxe4 19.Bxd6, Rybka WinFinder 26-ply

1. = (0.00): 19...Qxd6 20.Nc3 Nxc3 21.Qxc3 Qe5 22.Rd3 h6 23.Rcd1 Bh3 24.R1d2 Rad8 25.Re3 Qd5 26.Nf3

2. = (0.00): 19...Nxd6 20.Qc5 f6 21.Nc3 Nf7 22.Qxe7 Rxe7 23.Rd2 Bh3 24.Rcd1 Rae8 25.Nf3 Be6 26.Nd4

Apr-10-09
Premium Chessgames Member		  kutztown46: 13. Qc2 exd4 14. Nxd4 Nc5 15. b3 Rd8 16. Bb2 Nce4 17. e3 h6 18. Nc3 22-ply


click for larger view

Analysis by Fritz 10:

1. = (0.05): 18...Nxc3 19.Bxc3 Bb4 20.Bxb4 axb4 21.Nf5 Bxf5 22.Qxf5 Rxd1+ 23.Rxd1 Rd8 24.Rxd8+ Qxd8 25.Bf1 Qe7 26.Qc8+ Kh7 27.h3 g6 28.Bd3 Kg7

2. = (0.12): 18...Ng5 19.Nf5 Bxf5 20.Qxf5 Bb4 21.Ne2 Nge4 22.Rac1 Rd2 23.Rxd2 Bxd2 24.Rd1 Rd8 25.Qf4 Qb4 26.Bxe4 Nxe4 27.Qe5 f6 28.Qe6+ Kh8 29.Bd4

3. ² (0.59): 18...Nxf2 19.Qxf2 Ng4 20.Qf3 Qxe3+ 21.Qxe3 Nxe3 22.Rd2 Nxg2 23.Kxg2 Bb4 24.Rad1 Bg4 25.Nf3 Rxd2+ 26.Rxd2 Re8 27.Rd3 Bf5

4. ± (0.87): 18...Nc5 19.Bxc6 Bg4 20.Bf3 Bxf3 21.Nxf3 Rac8 22.Rac1 Qe6 23.Nd4 Qh3 24.f3 g6 25.Qg2 Qxg2+ 26.Kxg2 Be5 27.Rb1 Ne6

Apr-14-09  zanshin: <Overnight run; Rybka 3; after 13.Qc2 exd4 14.Nxd4 Nc5 15.b3 Rd8 16.Bb2 Nce4 17.e3>


click for larger view

[+0.00] d=21 17...Ng5 18.Nf5 Bxf5 19.Qxf5 Nge4 20.Nc3 g6 21.Nxe4 gxf5 22.Nxf6 Kf8 23.Nxh7 Kg8 24.Nf6 Kf8 25.Nh7 Kg8 26.Nf6 Kf8 27.Nh7 Kg8 28.Nf6 Kf8 29.Nh7 Kg8 30.Nf6 Kf8 31.Nh7 Kg8 32.Nf6 Kf8 (13:05.37) 8533057kN

[+0.00] d=21 17...Bc5 18.Rd3 Bb6 19.Nc3 Ng5 20.Nf5 Bxf5 21.Rxd8 Rxd8 22.Qxf5 h6 23.Rd1 Rxd1 24.Nxd1 Qd6 25.Qc2 Qe6 (13:42.23) 8797399kN

[+0.00] d=20 17...Bc7 18.Nc3 Ng5 19.Nf5 Qc5 20.Rxd8 Bxd8 21.Nd4 Nh3 22.Kh1 Bb6 23.f3 Qe5 24.Nd1 (10:28.00) 7509294kN

[+0.00] d=20 17...h6 18.Nc3 Ng5 19.Kh1 Bb4 20.h4 Bxc3 21.Qxc3 Nge4 22.Bxe4 Qxe4 23.f3 Qg6 24.Ne2 Nd5 25.Qd4 c5 (10:39.36) 7590665kN

[+0.09] d=20 17...g6 18.f3 Ng5 19.Qc3 Bh3 20.Bxh3 Nd5 21.Nf5 Nxh3 22.Kg2 Nxc3 23.Nxe7 Bxe7 24.Bxc3 Ng5 25.e4 Ne6 26.Rxd8 Bxd8 27.h4 Nc5 28.Rb1 Bc7 (11:14.18) 7787497kN

[+0.09] d=20 17...Nc5 18.Nc3 Re8 19.Rd2 Na6 20.Rad1 Bc7 21.Nf5 Bxf5 22.Qxf5 Be5 23.Qb1 g6 (11:30.16) 7904186kN

[+0.09] d=20 17...Re8 18.Nc3 Nc5 19.Rd2 Na6 20.Rad1 Bc7 21.Nf5 Bxf5 22.Qxf5 Be5 23.Qb1 g6 (11:30.16) 7904186kN

[+0.12] d=20 17...Bd7 18.Nc3 Nc5 19.Rac1 Re8 20.Ba3 Nce4 21.Bxd6 Nxd6 22.Nce2 h6 23.Nf4 (11:43.04) 7984547kN

[+0.15] d=20 17...Qe8 18.f3 Ng5 19.e4 Bc7 20.Nc1 Bb6 21.Nce2 h6 22.Kh1 (11:43.04) 7984547kN

[+0.15] d=20 17...Kh8 18.Nc3 Nxc3 19.Bxc3 Bb4 (12:35.35) 8323982kN

Apr-20-09
Premium Chessgames Member		  patzer2: Perhaps since RV's Rybka 3 is currently showing 15...Bd7 fully equal and strongest at 27-ply, I'd suggest the analysis here could use an update to compare 15...Bd7 to 15...Rd8.
Jun-30-09
Premium Chessgames Member		  nimh: I invite you to take part in Rybka forum team KO-Tournament 24h move, engines allowed.

http://rybkaforum.net/cgi-bin/rybka...

Jun-30-09
Premium Chessgames Member		  dalbertz: <nimh> Sounds like fun. I've registered over there and posted to join a team.
Jul-05-09
Premium Chessgames Member		  nimh: It will start on Monday. Be sure to check rybkaforum at least twice a day, in case you've forgotten.
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Deep Fritz 13
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