Why Komodo is weak in tactical combination ?

Discussion of chess software programming and technical issues.

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neelbasant
Posts: 226
Joined: Sun Apr 01, 2012 7:57 pm

Why Komodo is weak in tactical combination ?

Post by neelbasant »

Here is game from my personal database.
Where Komodo 8 could not see a simple tactical combination ( may be too deep for human player) .


[pgn][Event "NEEL-PC, 120m/40+60m/20+30m"]
[Site "Mumbai"]
[Date "2015.03.04"]
[Round "2"]
[White "Stockfish 020315 64 POPCNT"]
[Black "Komodo 8 64-bit"]
[Result "1-0"]
[ECO "B43"]
[Annotator "0.25;0.14"]
[PlyCount "93"]
[TimeControl "40/7200:20/3600:1800"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 {Both last book move} 6.
Be2 {0.25/30 511} b5 {0.14/24 122} 7. a3 {0.28/31 127} Bb7 {0.07/27 403 (Nf6)}
8. f4 {0.10/33 267} d6 {0.14/25 169 (Nf6)} (8... Nf6) 9. Bf3 {0.24/28 138 (f5)}
Nd7 {0.05/24 90} 10. Qe2 {0.27/31 421} Nb6 {0.03/27 712 (Rc8)} 11. Bd2 {0.29/
30 199 (Be3)} Nc4 {0.08/25 437} 12. O-O-O {0.08/29 176} Nf6 {-0.08/25 209 (Be7)
} 13. Kb1 {0.32/31 169 (g4)} Be7 {-0.13/24 124} 14. g4 {0.10/29 121} Nd7 {-0.
07/25 256} 15. h4 {0.13/30 147 (g5)} O-O {-0.07/24 243 (Ndb6)} (15... Rc8) (
15... Ndb6) 16. g5 {0.16/29 157} Ndb6 {-0.03/24 157} 17. Rh3 {0.33/29 256} Rad8
{0.02/23 286 (Na4)} 18. Bg4 {0.34/29 140} Nxd2+ {0.14/24 187 (d5)} 19. Qxd2 {
0.36/31 144} Nc4 {0.13/25 103} 20. Qe2 {0.18/32 377 (Qf2)} Rfe8 {0.03/23 90
(d5)} 21. Nxe6 {1.89/33 171 (Rhd3)} fxe6 {0.13/26 59} 22. Bxe6+ {1.88/31 134}
Kh8 {1.15/25 129} 23. Bf5 {1.62/34 190} g6 {1.27/25 205} (23... Kg8 24. Nd5
Bxd5 25. exd5 Bf8 26. Bxh7+ Kxh7 27. Qh5+ Kg8 28. g6) 24. Bxg6 {1.65/33 209}
Qd7 {1.34/26 122} (24... hxg6 25. h5) 25. Rhh1 {1.74/34 153 (Qh5)} hxg6 {1.50/
26 410} 26. h5 {2.06/37 163} Kg7 {1.61/26 63} 27. Qf2 {2.36/35 156 (hxg6)} Qe6
{1.68/26 215 (Bxg5)} 28. hxg6 {2.48/38 209} Rh8 {1.77/25 70} 29. Qd4+ {2.81/39
233} Ne5 {2.38/26 69} 30. f5 {2.80/40 174} Qg8 {2.66/29 239} 31. f6+ {2.92/39
141} Bxf6 {2.63/29 64} 32. gxf6+ {2.58/38 138} Kxf6 {2.65/28 48} 33. Rhg1 {2.
67/40 180} Ke7 {2.63/28 137} 34. g7 {2.74/40 201} Rh7 {2.68/31 349} 35. Qb6 {
2.93/41 182} Bc6 {2.76/31 203} (35... Rxg7 36. Qxb7+ Rd7 37. Rxg7+ Qxg7 38.
Nd5+ Ke6 39. Qc8 Qf7 40. Qh8 Nc4 41. Qh3+ Ke5 42. Qg3+ Ke6 43. Qg4+ Ke5 44.
Qg5+ Ke6 45. Nf4+) 36. Rg5 {3.28/42 156} Rxg7 {3.02/32 399} 37. Qc7+ {3.98/42
207 (Rxe5+)} Rd7 {3.03/32 84} 38. Rxe5+ {4.32/44 241} dxe5 {3.04/30 60} 39.
Rxd7+ {4.79/39 253} Bxd7 {3.04/29 56} 40. Nd5+ {4.94/40 360} Kf7 {3.10/30 176}
41. Qxd7+ {10.29/40 190} Kg6 {3.13/29 83} 42. Qd6+ {15.46/41 194} Kg5 {3.08/28
72} 43. Qxe5+ {10.98/34 667} Kh6 {3.51/29 177} 44. Qf6+ {10.01/31 220} Kh7 {3.
71/30 109} 45. Qh4+ {12.55/36 121} Kg6 {4.40/30 83} 46. Ne7+ {18.17/38 125}
Rxe7 {4.46/30 55} 47. Qxe7 {21.82/37 132 adjud.} 1-0
[/pgn]

Here 17.Rh3 a mysteriously strong move(may be a novelty)
and 20.....Rfe8 a blunder which SF refutes instantly with Nxe6 and game over .

PS:- what if Komodo team could ( i wish) apply the tactical knowledge Stockfish has. I am sure if Mark will do in the future.
Komodo with its positional understanding plus tactical knowledge from Stockfish will be unbelievably strong.
( I am fan of both engines but not happy with Komodo's weakness as tactical engine)

neel
Vinvin
Posts: 5316
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Why Komodo is weak in tactical combination ?

Post by Vinvin »

May be it's a problem of king safety ...
User avatar
Evert
Posts: 2929
Joined: Sat Jan 22, 2011 12:42 am
Location: NL

Re: Why Komodo is weak in tactical combination ?

Post by Evert »

It's of course not as simple as "putting in tactical knowledge."

I think Don himself once addressed this point, a long time ago. The problem isn't that Komodo is weak tactically per se. What you see is a side-effect of its time-management and easy-move heuristic (for which we don't know exactly how it works in Komodo): it decides that the move it's been thinking on is good enough and makes it, saving some time for later. Every once in a while, this causes it to overlook that the move is actually bad, which it might have seen if it had thought about it for longer (but even that is not a guarantee). It's a trade-off: do you safe time on moves that look easy, or are you conservative and do you try to think about moves as long as you can. Somewhere there is a sweet spot where the occasional tactical miss is worth the extra time spent on other moves.

Note that this is something that Don said at some point, so it may not be as applicable to the current version of Komodo. What you're describing sounds like the same issue though, so perhaps it is. Either way, as I said, the solution is not a simple "addition of tactical knowledge."
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Why Komodo is weak in tactical combination ?

Post by zullil »

Evert wrote: ... causes it to overlook that the move is actually bad, which it might have seen if it had thought about it for longer
Maybe someone with Komodo 8 can let it analyze the following. How long until it "sees" that Re8 is losing. My guess is "not very long".

[d]3r1rk1/1bq1bppp/p2pp3/1p4P1/2nNPPBP/P1N4R/1PP1Q3/1K1R4 b - - 2 20
Dann Corbit
Posts: 12828
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Why Komodo is weak in tactical combination ?

Post by Dann Corbit »

Code: Select all

    Avoid move: 
    Best move (Komodo-8-64bit): e6-e5
    Not found in: 12:00
      2	00:00	       1,330	663,507	+0.61	d5 Bxe6 fxe6
      3	00:00	       3,167	1,054,471	+0.61	d5 Bxe6 fxe6 Nxe6
      4	00:00	       8,481	1,700,792	+0.15	d5 Bxe6 fxe6 Nxe6 Qd7 exd5
      4	00:00	      12,541	2,094,950	+0.19	Qb8 f5 e5 f6 gxf6
      5	00:00	      24,004	2,403,428	+0.09	Qb8 f5 d5 fxe6 dxe4 exf7+ Rxf7
      5+	00:00	      26,005	2,603,780	+0.41	d5
      5	00:00	      29,518	2,686,727	+0.45	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8
      6	00:00	      35,256	2,941,407	+0.48	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Qd3
      7	00:00	      43,680	2,914,467	+0.39	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Ka1
      8	00:00	      70,626	3,072,271	+0.49	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Qe4 Bc5 Ka1
      9	00:00	      93,938	3,132,467	+0.40	d5 Bxe6 dxe4 Bxc4 Qxc4 Qxc4 bxc4 Nf5 Rxd1+ Nxd1 Bc5 Nde3 f6
     10-	00:00	     195,066	3,146,672	+0.28	d5 e5
     10-	00:00	     317,967	3,148,378	+0.16	d5 exd5
     10	00:00	     466,601	3,152,771	+0.09	d5 exd5 Qxf4 Bxe6 fxe6 Nxe6 Qb8 Nxd8 Qxd8 Rf3 Rxf3 Qxf3 Bd6 Ka2
     11	00:00	     589,437	3,086,049	+0.15	d5 e5 Qb6 Qd3 b4 Na4 Qa5 Qb3 Rb8 axb4 Qxb4 Qxb4 Bxb4 c3
     12	00:00	   1,163,933	3,297,148	+0.23	d5 e5 Bc5 h5 h6 g6 Bc8 Ka2 Qb6 Qf2 Bd7 gxf7+ Rxf7 Rg3
     13	00:00	   1,599,074	3,438,710	+0.19	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Ka1 Rde8 Rf3 Qb7 Na2 Rf7
     14	00:00	   2,183,172	3,538,178	+0.18	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Ka1 Rde8 Rf3 Bd7 Rf2 Rc8 Qd3 b4 axb4
     15-	00:01	   4,954,286	4,212,561	+0.06	d5 e5
     15	00:01	   9,036,998	4,758,495	 0.00	d5 exd5 exd5 f5 Rfe8 Qf2 Bc5 f6 gxf6 Qxf6 Qb6 Qxb6 Bxb6 Bh5 Ne3 Rd3 Nc4 Rd1
     16	00:02	  13,011,113	5,277,972	+0.07	d5 exd5 exd5 f5 Bc5 f6 Rfe8 Qf2 gxf6 Qxf6 Qe5 Bh5 Qxf6 gxf6 Re5 Rg3+ Kf8 Be2 Rde8 Bxc4 dxc4 Rg7 Rh5
     17	00:04	  30,030,486	6,863,610	+0.05	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Rf3 Rde8 Ka2 Qe7 Qd3 Bxd4 Qxd4 b4 Nb1 Bd7 Nd2 Rc8
     18	00:07	  57,948,443	7,889,994	+0.16	d5 exd5 exd5 Qf2 Bd6 Nce2 Bc5 h5 Rfe8 h6 g6 Rhd3 Re4 Bf3 Rde8 c3 Re3 Rxe3 Nxe3 Re1 Bd6
     19	00:09	  81,314,841	8,467,013	+0.09	d5 exd5 exd5 Qf2 Bd6 Nce2 Bc5 h5 Rfe8 h6 g6 Rhd3 Re4 Bf3 Rde8 Bxe4 dxe4 Rc3 e3 Qh4 Be4 Nb3 Bd6 Ka2
     20	00:28	 273,173,833	9,477,238	 0.00	d5 exd5 exd5 h5 Kh8 Qf3 Qb6 Qd3 Bc5 Nce2 Rde8 Qc3 f6 g6 h6 Rhd3 Re4 Bf3 Rfe8 Bxe4 dxe4 Rh3 e3 Ka1 Be4 Qe1
     21	00:49	 483,814,101	9,749,833	 0.00	d5 exd5 Bc5 f5 exd5 f6 Rfe8 Qf2 Bc8 Bxc8 Qxc8 Rhd3 g6 Qf4 Bd6 Qf2 Bc5
     22	01:12	 722,521,152	10,022,135	 0.00	d5 exd5 exd5 h5 Kh8 Qf3 Rde8 Nce2 b4 axb4 Bxb4 Qd3 Re4 b3 Rfe8 bxc4 dxc4 Qg3 Qb6 Ka1 Qa5+ Kb1 Qb6
     23-	02:01	1,252,781,047	10,276,583	-0.12	d5 exd5
     23	02:09	1,337,784,808	10,296,910	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 Rxf6 Ne3 Rg1 Rfe8 Rg3 Nc4 Rg2 Ne3 Rg3
     24	03:23	2,100,969,220	10,304,946	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 h6 Kb2 Re5 Ne2 g5 Ng3+ Kg6 h5+ Kh7 Rf2 Bc6
     25	03:52	2,401,300,062	10,330,132	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 h6 Ne2 g5 Ng3+ Kg6 h5+ Kh7 Rf2 Re5 Kb2 Bc6 Rfd2
     26	04:37	2,872,331,641	10,338,462	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 Bc6 Kb2 a5 Rd1 Re6 Ne2 Rde8 Ng3+ Kh6 Rd4 Rd8 Ne2 Kh5
     27	08:35	5,366,656,006	10,404,387	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 Bc6 Kb2 a5 Rd1 Re6 Rd4 Re5 Ne2 Kh6 Nc3 Kh5
     28-	11:58	7,533,179,318	10,479,142	-0.12	e5 Nf5
   2015-03-05 3:38:31 PM, Time for this analysis: 00:12:00, Rated time: 24:00
Dann Corbit
Posts: 12828
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Why Komodo is weak in tactical combination ?

Post by Dann Corbit »

neelbasant wrote:Here is game from my personal database.
Where Komodo 8 could not see a simple tactical combination ( may be too deep for human player) .


[pgn][Event "NEEL-PC, 120m/40+60m/20+30m"]
[Site "Mumbai"]
[Date "2015.03.04"]
[Round "2"]
[White "Stockfish 020315 64 POPCNT"]
[Black "Komodo 8 64-bit"]
[Result "1-0"]
[ECO "B43"]
[Annotator "0.25;0.14"]
[PlyCount "93"]
[TimeControl "40/7200:20/3600:1800"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 {Both last book move} 6.
Be2 {0.25/30 511} b5 {0.14/24 122} 7. a3 {0.28/31 127} Bb7 {0.07/27 403 (Nf6)}
8. f4 {0.10/33 267} d6 {0.14/25 169 (Nf6)} (8... Nf6) 9. Bf3 {0.24/28 138 (f5)}
Nd7 {0.05/24 90} 10. Qe2 {0.27/31 421} Nb6 {0.03/27 712 (Rc8)} 11. Bd2 {0.29/
30 199 (Be3)} Nc4 {0.08/25 437} 12. O-O-O {0.08/29 176} Nf6 {-0.08/25 209 (Be7)
} 13. Kb1 {0.32/31 169 (g4)} Be7 {-0.13/24 124} 14. g4 {0.10/29 121} Nd7 {-0.
07/25 256} 15. h4 {0.13/30 147 (g5)} O-O {-0.07/24 243 (Ndb6)} (15... Rc8) (
15... Ndb6) 16. g5 {0.16/29 157} Ndb6 {-0.03/24 157} 17. Rh3 {0.33/29 256} Rad8
{0.02/23 286 (Na4)} 18. Bg4 {0.34/29 140} Nxd2+ {0.14/24 187 (d5)} 19. Qxd2 {
0.36/31 144} Nc4 {0.13/25 103} 20. Qe2 {0.18/32 377 (Qf2)} Rfe8 {0.03/23 90
(d5)} 21. Nxe6 {1.89/33 171 (Rhd3)} fxe6 {0.13/26 59} 22. Bxe6+ {1.88/31 134}
Kh8 {1.15/25 129} 23. Bf5 {1.62/34 190} g6 {1.27/25 205} (23... Kg8 24. Nd5
Bxd5 25. exd5 Bf8 26. Bxh7+ Kxh7 27. Qh5+ Kg8 28. g6) 24. Bxg6 {1.65/33 209}
Qd7 {1.34/26 122} (24... hxg6 25. h5) 25. Rhh1 {1.74/34 153 (Qh5)} hxg6 {1.50/
26 410} 26. h5 {2.06/37 163} Kg7 {1.61/26 63} 27. Qf2 {2.36/35 156 (hxg6)} Qe6
{1.68/26 215 (Bxg5)} 28. hxg6 {2.48/38 209} Rh8 {1.77/25 70} 29. Qd4+ {2.81/39
233} Ne5 {2.38/26 69} 30. f5 {2.80/40 174} Qg8 {2.66/29 239} 31. f6+ {2.92/39
141} Bxf6 {2.63/29 64} 32. gxf6+ {2.58/38 138} Kxf6 {2.65/28 48} 33. Rhg1 {2.
67/40 180} Ke7 {2.63/28 137} 34. g7 {2.74/40 201} Rh7 {2.68/31 349} 35. Qb6 {
2.93/41 182} Bc6 {2.76/31 203} (35... Rxg7 36. Qxb7+ Rd7 37. Rxg7+ Qxg7 38.
Nd5+ Ke6 39. Qc8 Qf7 40. Qh8 Nc4 41. Qh3+ Ke5 42. Qg3+ Ke6 43. Qg4+ Ke5 44.
Qg5+ Ke6 45. Nf4+) 36. Rg5 {3.28/42 156} Rxg7 {3.02/32 399} 37. Qc7+ {3.98/42
207 (Rxe5+)} Rd7 {3.03/32 84} 38. Rxe5+ {4.32/44 241} dxe5 {3.04/30 60} 39.
Rxd7+ {4.79/39 253} Bxd7 {3.04/29 56} 40. Nd5+ {4.94/40 360} Kf7 {3.10/30 176}
41. Qxd7+ {10.29/40 190} Kg6 {3.13/29 83} 42. Qd6+ {15.46/41 194} Kg5 {3.08/28
72} 43. Qxe5+ {10.98/34 667} Kh6 {3.51/29 177} 44. Qf6+ {10.01/31 220} Kh7 {3.
71/30 109} 45. Qh4+ {12.55/36 121} Kg6 {4.40/30 83} 46. Ne7+ {18.17/38 125}
Rxe7 {4.46/30 55} 47. Qxe7 {21.82/37 132 adjud.} 1-0
[/pgn]

Here 17.Rh3 a mysteriously strong move(may be a novelty)
and 20.....Rfe8 a blunder which SF refutes instantly with Nxe6 and game over .

PS:- what if Komodo team could ( i wish) apply the tactical knowledge Stockfish has. I am sure if Mark will do in the future.
Komodo with its positional understanding plus tactical knowledge from Stockfish will be unbelievably strong.
( I am fan of both engines but not happy with Komodo's weakness as tactical engine)

neel
It took Stockfish 7 minutes to find 17.Rh3 on my system (at ply 30):

Code: Select all

    Avoid move: 
    Best move (Stockfish-mingw-bleeding-edge): Rh1-h3
    Not found in: 12:00
     2/3	00:00	         351	27,000	+1.67	Be1 b4 axb4
     3/4	00:00	         876	54,750	+1.08	f5 exf5 exf5
     4/5	00:00	       4,519	196,478	+0.21	Bg4 e5 fxe5 dxe5
     5/6	00:00	       8,311	286,586	+0.34	Nb3 d5 Nd4 b4 axb4 Bxb4
     6/7	00:00	      11,114	317,542	+0.41	Be1 e5 fxe5 Nxe5 Nf5 Nxf3
     7/8	00:00	      14,377	359,425	+0.45	Be1 d5 exd5 Qxf4 dxe6 Bxf3 Nxf3
     8/9	00:00	      18,937	420,822	+0.45	Be1 b4 axb4 e5 Nf5 exf4 Nd4 a5
     9/13	00:00	      83,138	1,065,871	+0.48	Be1 e5 fxe5 dxe5 Nf5 Nxb2 Kxb2 Nc4+ Kb1 Bxa3 Bf2
    10/13	00:00	     123,645	1,224,207	+0.46	Be1 e5 fxe5 dxe5 Nf5 Nxb2 Kxb2 Nc4+ Kb1 Bxa3 Bf2 f6
    11/15	00:00	     314,056	1,594,192	+0.48	f5 Qc5 Bc1 Nxa3+ Ka1 b4 Na2 e5 bxa3 exd4 axb4
    12/17	00:00	     484,341	1,647,418	+0.31	f5 Qc5 Bc1 Nxa3+ bxa3 Qxc3 fxe6 fxe6 Rd3 Qc4 Bg4 d5 e5 Na4 Bxe6+ Kh8 Qe1
    13/22	00:01	   2,823,578	2,573,908	+0.24	Be1 d5 exd5 Qxf4 dxe6 Bxf3 Nxf3 b4 Rd4 Qf5 axb4 fxe6 Rxc4 Nxc4
    14/22	00:01	   3,642,026	2,625,829	+0.21	Be1 Rfc8 Bg4 Nxb2 Kxb2 Qc5 Nb1 Qc4 Ba5 Qxe2 Bxe2 Nc4+ Bxc4 Rxc4 h5 Bxe4 Rhf1
    15/24	00:03	   8,364,162	2,990,404	+0.29	h5 Nxd2+ Qxd2 Nc4 Qd3 Rfc8 Nde2 b4 axb4 Qb6 b3 Qxb4 h6 gxh6 Rxh6 e5 Bg4 Rc7 Nd5 Na3+ Ka1 Nxc2+ Kb1
    16/27	00:04	  15,521,299	3,650,352	+0.23	Na2 Nxd2+ Qxd2 Nc4 Qc1 Qc5 f5 Ne5 Bg2 a5 fxe6 b4 Nf5 Rae8 axb4 axb4 Qd2 fxe6 Nxe7+ Rxe7 Qxd6 Qxd6 Rxd6 Rf2 Rd8+ Kf7
    17/31	00:05	  20,364,707	3,832,995	+0.33	h5 Rfc8 Be1 e5 Nf5 exf4 g6 Bf6 Qh2 Ne3 Nxe3 fxe3 Qxd6 Nc4 Qxc7 Rxc7 Nd5 Bxd5 exd5 Bxb2 d6
    18/32	00:08	  35,056,245	4,459,514	+0.11	Bg2 Rfc8 Rh3 Nxd2+ Qxd2 Nc4 Qe2 Qb6 Qe1 b4 Na4 Qc7 axb4 Rab8 Rb3 d5 exd5 Bxd5 Bxd5 exd5 Nc3 Bxb4
    19/32	00:09	  44,005,588	4,740,448	+0.17	h5 Rfc8 Be1 e5 Nf5 exf4 Qg2 Ne3 Nxe3 fxe3 Bg4 Rd8 Bf5 Qc5 Bxh7+ Kxh7 g6+ Kg8 gxf7+ Kf8 h6 Bf6 hxg7+ Bxg7 Bh4 Qe5 Bxd8 Rxd8
    20/32	00:13	  64,152,317	5,046,595	+0.30	h5 Nxd2+ Rxd2 e5 Nf5 Nc4 Rd3 exf4 g6 Ne5 Nd5 Bxd5 Rxd5 Rfd8 gxf7+ Kxf7 Qd2 Bg5 Nd4 Kg8 Qg2 Bf6 Ne6 Qc4
    21/37	00:17	  98,665,808	5,973,229	+0.06	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 e5 Bxg5 exd6 Qd7 Bxb7 Qxb7 Qe4 Qxe4 Nxe4 h6 d7 Rfd8 Nxg5 hxg5 Ne7+ Kf8 Nc6 Ne3 Nxd8 Rxd8
    22/40	00:29	 218,186,696	7,546,579	 0.00	Bg2 Qc5 Nb3 Qc7 Nd4
    23/40	00:30	 233,273,862	7,676,259	 0.00	Bg2 Qc5 Nb3 Qc7 Nd4
    24/40	00:36	 289,749,551	8,030,529	 0.00	Bg2 Qc5 Nb3 Qc7 Nd4
    25/40	00:56	 481,579,509	8,634,635	+0.19	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 Qg2 Ne5 Nd5 Bxd5 Rxd5 Rfd8 Rh4 Rac8 h6 g6 Nxe7+ Qxe7 Rxf4 Rc5 Be2 Rdc8 Bd1 Rxd5 exd5 Nd7 Rf2 Ne5 Rf6 Rc5
    26/40	01:05	 566,932,726	8,759,370	+0.13	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 Qg2 Ne5 Nd5 Bxd5 Rxd5 Rfd8 Rh4 Rac8 h6 g6 Nxe7+ Qxe7 Rxf4 Rc5 Be2 Rdc8 c3 Rxd5 exd5 Re8 Rf2 Rd8 Bf1 Rc8
    27/46	01:39	 911,464,111	9,207,917	+0.24	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 e5 Bxg5 exd6 Qd7 Bxb7 Qxb7 Qe4 Qxe4 Nxe4 h6 d7 Rfd8 Nxg5 hxg5 Ne7+ Kh7 Nc6 Ne3 Nxd8 Rxd8 Kc1 g4 Kd2 Nc4+ Ke2 Ne5 Rd4 f3+ Kf2 Rxd7 Rxd7
    28/46	02:01	1,130,393,733	9,328,759	+0.32	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 e5 Rae8 Bxb7 Qxb7 Nd5 Kh8 Qg2 f3 Qg3 Nxe5 Rd4 Qd7 Nfxe7 Rxe7 h6 g6 Nxe7 Qxe7 Rhd1 f6 Rxd6 fxg5 R6d5 f2 Rxe5
    29/46	02:42	1,525,198,698	9,408,070	+0.25	h5 Nxd2+ Rxd2 Nc4 Rd3 e5 Nf5 exf4 e5 Bxg5 exd6 Qd7 Bxb7 Qxb7 Qe4 Qxe4 Nxe4 h6 Rg1 Ne5 Rd5 f6 Nc5 Rfd8 d7 f3 Rf1 Kf7 Nd6+ Ke7 b3 Bf4 Kb2 Nxd7 Nf5+ Ke8 Nxg7+ Kf7 Rxd7+ Rxd7
    30/46	07:04	4,175,965,734	9,843,125	+0.20	Rh3 d5 exd5 b4 axb4 exd5 Bc1 Bxb4 Na2 Rfe8 Qg2 Bc5 h5 Ne3 Bxe3 Rxe3 Nf5 Rxf3 Rxf3 d4 Nc1 Nc4 Nb3 Rc8 g6 hxg6 hxg6 Bxf3 Qxf3 Ne3 Nxe3 dxe3 gxf7+ Qxf7 Nxc5
    31/46	09:54	5,910,346,553	9,943,800	+0.24	Rh3 Rad8 h5 d5 e5 Nxd2+ Qxd2 b4 axb4 Bxb4 g6 Bxc3 Qxc3 Qxc3 bxc3 Na4 gxf7+ Kxf7 Bg4 Nc5 Rg3 Rb8 f5 Ne4 fxe6+ Kg8 Re3 Rfc8 Kc1 Rc7 Rf1 Ba8 e7 Rxe7 Be6+ Kh8 Ref3 Ree8 Rg1
   2015-03-05 3:50:36 PM, Time for this analysis: 00:12:00, Rated time: 12:00
Dann Corbit
Posts: 12828
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Why Komodo is weak in tactical combination ?

Post by Dann Corbit »

Dann Corbit wrote:

Code: Select all

    Avoid move: 
    Best move (Komodo-8-64bit): e6-e5
    Not found in: 12:00
      2	00:00	       1,330	663,507	+0.61	d5 Bxe6 fxe6
      3	00:00	       3,167	1,054,471	+0.61	d5 Bxe6 fxe6 Nxe6
      4	00:00	       8,481	1,700,792	+0.15	d5 Bxe6 fxe6 Nxe6 Qd7 exd5
      4	00:00	      12,541	2,094,950	+0.19	Qb8 f5 e5 f6 gxf6
      5	00:00	      24,004	2,403,428	+0.09	Qb8 f5 d5 fxe6 dxe4 exf7+ Rxf7
      5+	00:00	      26,005	2,603,780	+0.41	d5
      5	00:00	      29,518	2,686,727	+0.45	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8
      6	00:00	      35,256	2,941,407	+0.48	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Qd3
      7	00:00	      43,680	2,914,467	+0.39	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Ka1
      8	00:00	      70,626	3,072,271	+0.49	d5 Bxe6 fxe6 Nxe6 Qc8 exd5 Rde8 Qe4 Bc5 Ka1
      9	00:00	      93,938	3,132,467	+0.40	d5 Bxe6 dxe4 Bxc4 Qxc4 Qxc4 bxc4 Nf5 Rxd1+ Nxd1 Bc5 Nde3 f6
     10-	00:00	     195,066	3,146,672	+0.28	d5 e5
     10-	00:00	     317,967	3,148,378	+0.16	d5 exd5
     10	00:00	     466,601	3,152,771	+0.09	d5 exd5 Qxf4 Bxe6 fxe6 Nxe6 Qb8 Nxd8 Qxd8 Rf3 Rxf3 Qxf3 Bd6 Ka2
     11	00:00	     589,437	3,086,049	+0.15	d5 e5 Qb6 Qd3 b4 Na4 Qa5 Qb3 Rb8 axb4 Qxb4 Qxb4 Bxb4 c3
     12	00:00	   1,163,933	3,297,148	+0.23	d5 e5 Bc5 h5 h6 g6 Bc8 Ka2 Qb6 Qf2 Bd7 gxf7+ Rxf7 Rg3
     13	00:00	   1,599,074	3,438,710	+0.19	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Ka1 Rde8 Rf3 Qb7 Na2 Rf7
     14	00:00	   2,183,172	3,538,178	+0.18	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Ka1 Rde8 Rf3 Bd7 Rf2 Rc8 Qd3 b4 axb4
     15-	00:01	   4,954,286	4,212,561	+0.06	d5 e5
     15	00:01	   9,036,998	4,758,495	 0.00	d5 exd5 exd5 f5 Rfe8 Qf2 Bc5 f6 gxf6 Qxf6 Qb6 Qxb6 Bxb6 Bh5 Ne3 Rd3 Nc4 Rd1
     16	00:02	  13,011,113	5,277,972	+0.07	d5 exd5 exd5 f5 Bc5 f6 Rfe8 Qf2 gxf6 Qxf6 Qe5 Bh5 Qxf6 gxf6 Re5 Rg3+ Kf8 Be2 Rde8 Bxc4 dxc4 Rg7 Rh5
     17	00:04	  30,030,486	6,863,610	+0.05	d5 e5 Bc5 h5 h6 g6 Bc8 gxf7+ Qxf7 Rf3 Rde8 Ka2 Qe7 Qd3 Bxd4 Qxd4 b4 Nb1 Bd7 Nd2 Rc8
     18	00:07	  57,948,443	7,889,994	+0.16	d5 exd5 exd5 Qf2 Bd6 Nce2 Bc5 h5 Rfe8 h6 g6 Rhd3 Re4 Bf3 Rde8 c3 Re3 Rxe3 Nxe3 Re1 Bd6
     19	00:09	  81,314,841	8,467,013	+0.09	d5 exd5 exd5 Qf2 Bd6 Nce2 Bc5 h5 Rfe8 h6 g6 Rhd3 Re4 Bf3 Rde8 Bxe4 dxe4 Rc3 e3 Qh4 Be4 Nb3 Bd6 Ka2
     20	00:28	 273,173,833	9,477,238	 0.00	d5 exd5 exd5 h5 Kh8 Qf3 Qb6 Qd3 Bc5 Nce2 Rde8 Qc3 f6 g6 h6 Rhd3 Re4 Bf3 Rfe8 Bxe4 dxe4 Rh3 e3 Ka1 Be4 Qe1
     21	00:49	 483,814,101	9,749,833	 0.00	d5 exd5 Bc5 f5 exd5 f6 Rfe8 Qf2 Bc8 Bxc8 Qxc8 Rhd3 g6 Qf4 Bd6 Qf2 Bc5
     22	01:12	 722,521,152	10,022,135	 0.00	d5 exd5 exd5 h5 Kh8 Qf3 Rde8 Nce2 b4 axb4 Bxb4 Qd3 Re4 b3 Rfe8 bxc4 dxc4 Qg3 Qb6 Ka1 Qa5+ Kb1 Qb6
     23-	02:01	1,252,781,047	10,276,583	-0.12	d5 exd5
     23	02:09	1,337,784,808	10,296,910	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 Rxf6 Ne3 Rg1 Rfe8 Rg3 Nc4 Rg2 Ne3 Rg3
     24	03:23	2,100,969,220	10,304,946	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 h6 Kb2 Re5 Ne2 g5 Ng3+ Kg6 h5+ Kh7 Rf2 Bc6
     25	03:52	2,401,300,062	10,330,132	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 h6 Ne2 g5 Ng3+ Kg6 h5+ Kh7 Rf2 Re5 Kb2 Bc6 Rfd2
     26	04:37	2,872,331,641	10,338,462	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 Bc6 Kb2 a5 Rd1 Re6 Ne2 Rde8 Ng3+ Kh6 Rd4 Rd8 Ne2 Kh5
     27	08:35	5,366,656,006	10,404,387	 0.00	e5 Nf5 exf4 Qf2 g6 Nxe7+ Qxe7 Qxf4 Qe5 Rf3 Kg7 Qf6+ Qxf6 gxf6+ Kh6 Rg3 Rfe8 Rd4 Ne5 b3 Nxg4 Rxg4 Kh5 Rf4 Bc6 Kb2 a5 Rd1 Re6 Rd4 Re5 Ne2 Kh6 Nc3 Kh5
     28-	11:58	7,533,179,318	10,479,142	-0.12	e5 Nf5
   2015-03-05 3:38:31 PM, Time for this analysis: 00:12:00, Rated time: 24:00
Stockfish on the same position:

Code: Select all

    Avoid move: 
    Best move (Stockfish-mingw-bleeding-edge): d6-d5
    Not found in: 12:00
     2/2	00:00	         184	26,285	+0.24	e5 fxe5 dxe5
     3/3	00:00	         284	31,555	+0.24	e5 fxe5 dxe5
     4/5	00:00	         766	63,833	+0.33	e5 Nf5 exf4 Nxe7+ Qxe7
     5/6	00:00	       1,838	114,875	-0.42	e5 Nf5 exf4 a4 f6 Nxe7+ Qxe7 axb5 axb5
     6/7	00:00	       5,019	209,125	-0.53	d5 e5 Bc8 f5 exf5 Nxf5
     7/8	00:00	      12,674	333,526	-0.21	d5 exd5 Qxf4 Bf3 Ne5 Nc6 Bxc6 dxc6
     8/8	00:00	      25,603	449,175	-0.29	d5 exd5 b4 axb4 Qxf4 Bxe6 fxe6 Qxc4 exd5
     9/11	00:00	      84,392	861,142	-0.49	Rde8 Rf3 e5 Nf5 exf4 Nd5 Bxd5 Rxd5 f6 Nxe7+ Qxe7 Rxf4
    10/14	00:00	     158,859	986,701	-0.17	d5 Bxe6 Nxb2 Kxb2 fxe6 Nxe6 Qd6 Nxd8 Qxa3+ Kb1 Bxd8
    11/19	00:00	     277,132	1,159,548	 0.00	d5 f5 e5 f6 exd4 fxe7 Qxe7 exd5 Qxe2 Nxe2 Ne3 Rxd4 Nxg4
    12/19	00:00	     335,097	1,179,919	+0.22	d5 f5 e5 f6 exd4 Nxd5 Bxd5 fxe7 Qxe7 exd5 Qxe2 Bxe2 Rxd5 Bf3
    13/19	00:00	     720,645	1,498,222	-0.01	d5 exd5 Qxf4 Bxe6 fxe6 Nxe6 Qf2 Nxd8 Qxe2 Nxe2 Rxd8 Nf4 b4 Re1 Bf8 axb4 Bxb4
    14/21	00:00	   1,190,940	1,656,383	+0.03	d5 exd5 exd5 h5 Rfe8 Qf2 b4 axb4 Bxb4 Nb3 Na3+ bxa3 Bxc3 h6 g6 f5
    15/22	00:01	   2,231,386	1,971,189	-0.18	d5 exd5 exd5 h5 Rfe8 Qf2 b4 axb4 Bxb4 Nb3 Bxc3 Rxc3 Re4 Rd4 Bc8 Bxc8 Qxc8 h6
    16/24	00:02	   4,854,829	2,338,549	-0.35	d5 exd5 exd5 h5 Rfe8 Qf2 Qc5 Na2 Qb6 Nb4 h6 gxh6 Bxb4 axb4 Qxh6 Rdd3 Bc8 Bxc8 Rxc8 Nf5
    17/27	00:03	   8,998,180	2,946,358	-0.45	d5 exd5 exd5 h5 Rfe8 Qf2 Qc5 Na2 Qb6 Nc1 b4 axb4 Bxb4 Rb3 a5 Na2 Bc8 Bxc8 Rxc8
    18/27	00:03	  12,056,261	3,209,012	-0.30	d5 exd5 exd5 h5 Rde8 Qf2 Bc5 Be2 b4 axb4 Bxb4 h6 g6 Nb3 Bxc3 Rxc3 Re4 Bxc4 dxc4
    19/32	00:08	  33,590,308	4,078,968	-0.17	e5 Nf5 exf4 Qf3 d5 Nxd5 Bxd5 Qc3 f6 exd5 Bd6 Nxd6 Qxd6 Be6+ Kh8 Rf3 fxg5 hxg5 Qe5 Qd4 Qxg5
    20/33	00:09	  44,887,967	4,736,516	-0.34	Rde8 f5 exf5 Nxf5 g6 Nh6+ Kh8 Qh2 Ne5 Nd5 Bxd5 Rxd5 Qc4 Qg2 Nxg4 b3 Qc8 Nxg4 f5 exf5 Rxf5 Rhd3 Rxd5
    21/33	00:10	  50,328,508	4,911,535	-0.39	Rde8 f5 exf5 Nxf5 g6 Nh6+ Kh8 Qh2 Ne5 Nd5 Bxd5 Rxd5 Bd8 Qh1 f6 h5 f5 Be2 Bxg5 hxg6 Nxg6 Rc3 Qe7 Nxf5 Qxe4
    22/34	00:12	  64,262,923	5,333,907	-0.19	e5 Nf5 exf4 Qf3 g6 Nh6+ Kh8 Qxf4 f6 Qc1 fxg5 hxg5 Rde8 Nf5 Ne5 Rdh1 Rf7 Nxe7 Rfxe7 Be2 Rf7 Qd2 Qe7 Rh6 Qd8 Qd4 Kg8 Nd5 Qxg5
    23/34	00:13	  74,163,842	5,547,033	-0.21	e5 Nf5 exf4 Qf3 g6 Nh6+ Kh8 Qxf4 f6 Qc1 fxg5 hxg5 Rde8 Nf5 Ne5 Rdh1 Rf7 Nxe7 Rexe7 Be2 Rf2 Qd2 Rd7 R1h2 Qc5 Rxf2 Qxf2 Nd5 Bxd5
    24/37	00:15	  89,780,634	5,872,621	-0.10	e5 Nf5 exf4 Qf3 g6 Nxe7+ Qxe7 Qxf4 Qe5 Qg3 Bxe4 Qxe5 Nxe5 Nxe4 Nxg4 Rhd3 f5 gxf6 d5 Rxd5 Rxd5 Rxd5 Nxf6 Nxf6+ Rxf6 Ka2 Kg7 Rd7+ Rf7 Rxf7+ Kxf7 Kb3 h6 Kb4 g5
    25/39	00:20	 139,688,646	6,844,463	-0.27	e5 Nf5 exf4 Qf3 g6 Nh6+ Kh8 Qxf4 f6 Rdh1 Ne5 h5 fxg5 Qh2 Bf6 hxg6 Nxg6 Nf5 Nh4 Qd2 Rfe8 Nd5 Bxd5 Qxd5 Qc4 Nxh4 Qxd5 Ng6+ Kg8 exd5 hxg6 Be6+ Kf8
    26/42	00:29	 227,607,657	7,781,724	-0.49	e5 Nf5 exf4 Qf3 d5 Nxd5 Bxd5 Qc3 f6 exd5 Bc5 Nd4 Ne3 Rxe3 fxe3 Ne6 Qg3 Be2 Be7 Nxf8 Kxf8 Qd4 Qf2 gxf6 Bxf6 Qd3 Rd6 Rf1 Qxh4 Qxe3
    27/42	00:32	 256,971,357	7,942,982	-0.50	e5 Nf5 exf4 Qf3 d5 Nxd5 Bxd5 Qc3 f6 exd5 Bc5 Nd4 Ne3 Rxe3 fxe3 Ne6 Qg3 Be2 Be7 Nxf8 Rxf8 gxf6 Bxf6 Qb3 g6 d6+ Kg7 h5 gxh5 Qd3 h4 Rf1
    28/42	00:38	 317,294,031	8,261,789	-0.40	e5 Nf5 exf4 Qf3 d5 Nxd5 Bxd5 Qc3 f6 exd5 Bc5 Nd4 Ne3 Rxe3 fxe3 Ne6 Qg3 Be2 Be7 Nxf8 Rxf8 Qc6 Qd6 Rd3 fxg5 hxg5 Qe5 d6 Bxg5 d7 g6
    29/44	01:49	 978,587,861	8,965,368	-0.47	d5 exd5 exd5 h5 Rde8 g6 Bxa3 gxf7+ Qxf7 Be6 Rxe6 Nxe6 Re8 Ng5 Rxe2 Nxf7 Rg2 bxa3 Bc8 Ng5 Bxh3 Rxd5 Nxa3+ Ka2 Rxg5 fxg5 Nxc2 Kb3 Ne3 Rd6 Bg4 Rxa6 Bxh5 Nxb5
    30/44	02:11	1,195,537,638	9,075,184	-0.22	d5 exd5 Bxd5 Nxd5 exd5 h5 Rfe8 g6 Bxa3 gxf7+ Qxf7 Be6 Rxe6 Nxe6 Re8 bxa3 Qf6 Rb3 Rxe6 Qd3 Ne3 Rg1 Qxf4 Rc3 Re8 Rc6 Qh2 Re1 Qf2 Rc1 Qf5 h6 g6 Rxa6 Nc4 Qxf5
    31/46	02:54	1,601,552,816	9,174,115	-0.36	d5 exd5 Bxd5 Nxd5 exd5 h5 Rde8 g6 Bxa3 gxf7+ Qxf7 Be6 Rxe6 Nxe6 Re8 bxa3 Qf6 Rb3 Rxe6 Qd3 Ne3 Rg1 Qxf4 Rc3 Re8 Rc6 Qh2 Re1 Qf2 Re2 Qf1+ Ka2 d4 h6 gxh6 Rxh6 Qf7+ Qb3 Qxb3+ Kxb3
    32/54	04:51	2,724,355,584	9,366,102	-0.24	d5 exd5 exd5 h5 Bc5 g6 Bxd4 Rxd4 Rde8 Qd3 h6 Ka2 fxg6 hxg6 Qd6 Nxd5 Bxd5 Bf3 Ne5+ Bxd5+ Qxd5+ Rxd5 Nxd3 Rhxd3 Rxf4 Rd6 Rf6 Rxf6 gxf6 Rd7 Re3 Rf7 h5 Rh7 Re2 Kb3
    33/57	06:01	3,385,030,240	9,369,106	-0.36	d5 exd5 exd5 h5 Bc5 g6 Bxd4 Rxd4 Rde8 gxh7+ Kh8 Qf2 Qb6 Rhd3 b4 axb4 Qxb4 Nd1 Bc6 h6 g6 Bf3 Qb6 Rb3 Qa7 Rc3 Rc8 Rcd3 Kxh7 Qh4 Rg8 Qf6 Qc7 Bxd5 Bxd5 Rxd5
    34/57	07:02	3,978,770,913	9,429,082	-0.37	d5 exd5 exd5 h5 Bc5 g6 Bxd4 Rxd4 Rde8 gxh7+ Kh8 Qf2 Qb6 Rhd3 b4 axb4 Qxb4 b3 Qa3 Nd1 Rb8 Bf3 Qe7 Bxd5 Bxd5 Rxd5 Rfc8 Ne3 Na3+ Ka1 Qf6+ Ka2 Nb5 Nd1 Na3 Rd6 Rxc2+ Qxc2 Nxc2 Rxf6 gxf6
    35/57	09:51	5,671,540,256	9,593,398	-0.41	d5 exd5 exd5 h5 Bc5 g6 Bxd4 Rxd4 Rde8 gxh7+ Kh8 Qf2 Qc5 f5 Qe7 f6 Qxf6 Qxf6 gxf6 Rf3 Re1+ Ka2 Rc1 Bf5 Rh1 Bd3 Rxh5 Rxf6 Ne5 Bf5 Rd8 Be4 Rd7 Bxd5 Bxd5+ Nxd5 Nc4 Nf4 Rxd4 Nxh5 Rd2 Rxf7 Rxc2
   2015-03-05 4:02:37 PM, Time for this analysis: 00:12:00, Rated time: 24:00
neelbasant
Posts: 226
Joined: Sun Apr 01, 2012 7:57 pm

Re: Why Komodo is weak in tactical combination ?

Post by neelbasant »

361: Stockfish 020315 64 POPCNT - Komodo 8 64-bit, NEEL-PC, 120m/40+60m/20+30m
r4rk1/1bq1bppp/pn1pp3/1p4P1/2nNPP1P/P1N2B2/1PPBQ3/1K1R3R w - - 0 1

Analysis by Stockfish 6 64 POPCNT:

17.f5 Nxd2+ 18.Rxd2 e5 19.Nb3 Nc4 20.f6 Nxd2+ 21.Qxd2
= (-0.20) Depth: 6/8 00:00:00 14kN
17.Be1 e5 18.fxe5 Nxe5 19.Nd5 Nxd5 20.exd5 Nxf3
+/= (0.48) Depth: 7/9 00:00:00 20kN
17.Be1 g6 18.f5 gxf5 19.exf5 Bxf3 20.Qxf3 e5
+/= (0.40) Depth: 8/9 00:00:00 32kN
17.Be1 e5 18.fxe5 dxe5 19.Nf5 f6 20.Nxe7+ Qxe7 21.gxf6 Rxf6
+/= (0.26) Depth: 9/11 00:00:00 77kN
17.Be1 e5 18.fxe5 dxe5 19.Nf5 b4 20.axb4 Bxb4 21.Nd5 Nxd5 22.exd5
+/= (0.33) Depth: 10/14 00:00:00 115kN
17.Be1 Rfe8 18.Bh5 Qc5 19.f5 exf5 20.Nxf5 Nxb2 21.Bxf7+ Kxf7 22.Qh5+ Kg8 23.Kxb2
= (0.25) Depth: 11/14 00:00:00 259kN
17.h5 Nxd2+ 18.Qxd2 Nc4 19.Qd3 Rfc8 20.Nde2 b4 21.axb4 Qb6 22.Nd4 Qxb4 23.Nb3 e5
= (0.17) Depth: 12/16 00:00:01 860kN
17.h5 Nxd2+ 18.Qxd2 Nc4 19.Qh2 h6 20.Nce2 Kh8 21.c3 d5 22.e5 Qc5 23.g6 Nxb2 24.Kxb2
+/= (0.39) Depth: 13/19 00:00:01 1853kN
17.h5 Nxd2+ 18.Qxd2 Nc4 19.Qd3 e5 20.h6 g6 21.Nde2 Qc5 22.Nd5 Bxd5 23.Qxd5 exf4 24.Nxf4 Bxg5
= (0.03) Depth: 14/21 00:00:01 2972kN
17.Be1 d5 18.exd5 exd5 19.Qd3 Rae8 20.g6 Qxf4 21.gxh7+ Kh8 22.Nce2 Qh6 23.Bg3 Qxh7 24.h5 Qxd3
= (0.06) Depth: 15/21 00:00:02 5076kN
17.h5 Nxd2+ 18.Rxd2 Nc4 19.Rd3 e5 20.Nf5 exf4 21.g6 fxg6 22.hxg6 hxg6 23.Qh2 Kf7 24.Qh7 gxf5 25.Bh5+ Ke6 26.Qxg7 Ne5 27.Nd5
= (0.20) Depth: 16/25 00:00:02 7338kN
17.h5
+/= (0.30 ++) Depth: 17/25 00:00:03 10256kN
17.h5 Nxd2+
= (0.22 --) Depth: 17/25 00:00:03 10526kN
17.h5
+/= (0.33 ++) Depth: 17/25 00:00:03 10757kN
17.h5 Nxd2+
= (0.17 --) Depth: 17/28 00:00:03 10969kN
17.h5 Nxd2+ 18.Rxd2 Nc4 19.Rd3 e5 20.Nf5 exf4 21.g6 Ne5 22.gxh7+ Kh8 23.Nd5 Bxd5 24.Rxd5 g6 25.hxg6 fxg6 26.Nxe7 Qxe7 27.Rhd1 Rfe8 28.Rxd6 Nxf3 29.Qxf3
= (0.20) Depth: 17/28 00:00:03 12127kN
17.h5 Nxd2+
= (0.13 --) Depth: 18/29 00:00:03 15827kN
17.h5 Nxd2+
= (0.07 --) Depth: 18/29 00:00:04 17694kN
17.h5
= (0.13 ++) Depth: 18/29 00:00:04 17924kN
17.h5 Nxd2+ 18.Rxd2 Nc4 19.Rd3 e5 20.Nf5 exf4 21.Qg2 Ne5 22.Nd5 Bxd5 23.Rxd5 Rac8 24.g6 fxg6 25.hxg6 Rxf5 26.exf5 Nxf3 27.gxh7+ Kh8 28.Qxf3 Qxc2+ 29.Ka1
= (0.08) Depth: 18/29 00:00:04 18408kN
17.Be1
= (0.14 ++) Depth: 19/30 00:00:04 21649kN
17.Be1 Rac8
= (0.08 --) Depth: 19/30 00:00:06 34069kN
17.Be1
= (0.14 ++) Depth: 19/30 00:00:07 37483kN
17.Be1
+/= (0.28 ++) Depth: 19/30 00:00:08 45280kN
17.Be1 Rac8 18.Rd3 e5 19.fxe5 Nxe5 20.Rd1 Nxf3 21.Qxf3 Nc4 22.Nd5 Bxd5 23.exd5 Rfe8 24.Bg3 Ne5 25.Qb3 Qb6 26.Nf5 a5
= (0.18) Depth: 19/30 00:00:08 46327kN
17.Be1 Rae8
= (0.12 --) Depth: 20/30 00:00:09 50159kN
17.Be1 Rae8
= (0.05 --) Depth: 20/30 00:00:09 51750kN
17.Be1
= (0.12 ++) Depth: 20/30 00:00:09 53640kN
17.Be1 Rae8
= (0.04 --) Depth: 20/30 00:00:10 56502kN
17.Be1
= (0.15 ++) Depth: 20/30 00:00:10 59417kN
17.Be1 Rae8 18.Qd3 Rc8 19.h5 e5 20.Nf5 exf4 21.Qd4 Ne5 22.Nxe7+ Qxe7 23.h6 Rfe8 24.Qxb6 Nxf3 25.hxg7 Bxe4 26.Nxe4 Qxe4 27.Bc3 Rxc3 28.bxc3
= (0.08) Depth: 20/30 00:00:10 61293kN
17.Be1 Rae8
= (0.02 --) Depth: 21/30 00:00:12 72540kN
17.Be1
= (0.08 ++) Depth: 21/30 00:00:13 78214kN
17.Be1
= (0.17 ++) Depth: 21/30 00:00:14 85029kN
17.Be1 d5
= (0.10 --) Depth: 21/30 00:00:15 92616kN
17.Be1
= (0.20 ++) Depth: 21/30 00:00:15 93187kN
17.Be1 Rab8 18.f5 e5 19.f6 exd4 20.fxe7 Qxe7 21.Rxd4 Ne5 22.Bg2 Nbc4 23.Bh3 Rfe8 24.Rd1 Qc7 25.Nd5 Bxd5 26.Rxd5 a5 27.h5 b4 28.axb4 axb4
= (0.06) Depth: 21/30 00:00:19 120mN
17.Be1 Rab8
= (0.00 --) Depth: 22/32 00:00:27 173mN
17.Be1
= (0.06 ++) Depth: 22/32 00:00:28 182mN
17.Be1 Rab8
= (0.00 --) Depth: 22/32 00:00:29 185mN
17.Be1 Rab8 18.h5 e5 19.Nf5 exf4 20.Rg1 Rbe8 21.Bf2 Ne5 22.Bd4 Nbc4 23.Qf2 Qa5 24.Be2 Nxa3+ 25.bxa3 Qxa3 26.h6 b4 27.Nxe7+ Rxe7 28.hxg7 bxc3 29.gxf8Q+ Kxf8 30.Qxf4
= (0.00) Depth: 22/32 00:00:30 195mN
17.Be1
= (0.05 ++) Depth: 23/32 00:00:31 199mN
17.Be1
= (0.11 ++) Depth: 23/32 00:00:32 208mN
17.Be1
= (0.20 ++) Depth: 23/32 00:00:34 220mN
17.Be1 Rab8
= (0.13 --) Depth: 23/32 00:00:35 228mN
17.f5 e5 18.Nb3 Na4 19.Nxa4 bxa4 20.Nc1 d5 21.exd5 Rac8 22.Nd3 Nxa3+ 23.bxa3 Qxc2+ 24.Ka1 Qb3 25.Bb4 Bxb4 26.Nxb4 Qc3+ 27.Ka2 Qb3+ 28.Ka1
= (0.00) Depth: 23/33 00:00:49 327mN
17.h5
= (0.06 ++) Depth: 24/33 00:00:55 369mN
17.h5
= (0.12 ++) Depth: 24/33 00:00:56 373mN
17.h5
= (0.21 ++) Depth: 24/33 00:00:58 386mN
17.h5 Rfc8
= (0.13 --) Depth: 24/38 00:01:04 426mN
17.h5
= (0.24 ++) Depth: 24/40 00:01:06 442mN
17.h5 Rfc8
= (0.08 --) Depth: 24/41 00:01:11 475mN
17.h5
+/= (0.32 ++) Depth: 24/42 00:01:12 482mN
17.h5 Rfc8 18.g6 Nxb2 19.Kxb2 Qc5 20.gxf7+ Kxf7 21.Qd3 Nc4+ 22.Kb1 Nxd2+ 23.Rxd2 Qxc3 24.Bg4 Qxd3 25.Bxe6+ Kf8 26.cxd3 Rc3 27.Kb2 Rc5 28.Nf5 Bf6+ 29.Kb1 Rd8 30.Rc2 Rxc2 31.Kxc2 Bc8 32.Bxc8 Rxc8+ 33.Kd2 Rc3
+/= (0.34) Depth: 24/42 00:01:13 488mN
17.h5 Rfc8
+/= (0.28 --) Depth: 25/42 00:01:17 511mN
17.h5 Rfc8
= (0.22 --) Depth: 25/42 00:01:18 521mN
17.h5 Rfc8
= (0.12 --) Depth: 25/42 00:01:23 556mN
17.h5
= (0.20 ++) Depth: 25/42 00:01:25 568mN
17.h5 Rfc8 18.g6 Nxb2 19.Kxb2 Qc5 20.gxf7+ Kxf7 21.Qd3 Nc4+ 22.Kb1 Nxd2+ 23.Rxd2 Qxc3 24.Bg4 Qxd3 25.cxd3 Rc3 26.Bxe6+ Kf8 27.Kb2 Rc5 28.Nf5 Bf6+ 29.Ka2 Re8 30.Nxd6 Rxe6 31.Nxb7 Rc3 32.h6 Be7 33.hxg7+ Kxg7 34.Kb2 Rxa3 35.e5
= (0.15) Depth: 25/42 00:01:26 573mN
17.h5
= (0.21 ++) Depth: 26/44 00:01:28 586mN
17.h5 Rfc8 18.g6 Nxb2 19.Kxb2 Qc5 20.gxf7+ Kxf7 21.Qd3 Nc4+ 22.Kb1 Nxd2+ 23.Rxd2 Qxc3 24.Bg4 Qxd3 25.cxd3 Rc3 26.Bxe6+ Kf8 27.h6 g6 28.Kb2 Rc7 29.Rf1 Ke8 30.Re2 Rd8 31.Nf3 Bf6+ 32.d4 Ke7 33.f5
= (0.21) Depth: 26/44 00:01:32 619mN
17.h5 Rfc8
= (0.15 --) Depth: 27/44 00:01:38 657mN
17.h5
= (0.21 ++) Depth: 27/44 00:01:41 676mN
17.h5
+/= (0.31 ++) Depth: 27/44 00:01:50 737mN
17.h5 Nxd2+
= (0.23 --) Depth: 27/48 00:01:58 798mN
17.h5 Nxd2+ 18.Rxd2 Nc4 19.Rd3 e5 20.Nf5 exf4 21.Qg2 Rae8 22.Nd5 Bxd5 23.Rxd5 Rc8 24.c3 Kh8 25.Ka1 Rfd8 26.g6 h6 27.Bg4 Bf6 28.Qh3 Nxb2 29.Nxd6 Rxd6 30.Bxc8 Rxd5 31.exd5 Bxc3
= (0.08) Depth: 27/48 00:02:02 826mN
17.h5
= (0.15 ++) Depth: 28/48 00:02:07 860mN
17.h5
= (0.21 ++) Depth: 28/48 00:02:27 973mN
17.h5 Rfc8 18.g6 Nxb2 19.gxf7+ Kxf7 20.Bg4 Nxd1 21.Bxe6+ Kf8 22.Rxd1 Nc4 23.Bc1 Bf6 24.h6 Bxd4 25.Rxd4 Re8 26.f5 Rxe6 27.fxe6 Kg8 28.Rd1 Qe7 29.hxg7 Qxe6 30.Qd3 Qe5 31.Rg1 Rc8 32.Nd5 Bxd5 33.exd5
= (0.25) Depth: 28/48 00:02:47 1111mN
17.h5
+/= (0.32 ++) Depth: 29/48 00:04:07 1671mN
17.h5 Rfc8
= (0.25 --) Depth: 29/48 00:04:15 1731mN
17.h5
+/= (0.32 ++) Depth: 29/48 00:04:18 1753mN
17.h5 Rfc8 18.g6 Nxb2 19.gxf7+ Kxf7 20.Bg4 N6c4 21.Bxe6+ Ke8 22.Rde1 Qc5 23.Nb3 Nxd2+ 24.Qxd2 Qxc3 25.Qxc3 Rxc3 26.Kxb2 Rf3 27.h6 g6 28.Na5 Rb8 29.Nxb7 Rxb7 30.Bd5 Rb6 31.Bg8 Bf6+ 32.e5 dxe5 33.fxe5 Be7 34.Bxh7 Bxa3+ 35.Kb1 Bb4 36.Re4 Bf8 37.Ree1
+/= (0.28) Depth: 29/48 00:04:22 1777mN
17.h5 Rfc8 18.g6 Nxb2 19.gxf7+ Kxf7 20.Bg4 N6c4 21.Bxe6+ Ke8 22.Rde1 Qc5 23.Nb3 Nxd2+ 24.Qxd2 Qxc3 25.Qxc3 Rxc3 26.Kxb2 Rf3 27.h6 g6 28.Na5 Rb8 29.Nxb7 Rxb7 30.Bd5 Rb6 31.Bg8 Rxf4 32.Bxh7 Kf7 33.Reg1 d5 34.exd5 Rf3 35.Rf1 Rxf1 36.Rxf1+ Rf6 37.Rxf6+ Bxf6+ 38.Kb3 Be7 39.c3 Bc5 40.c4 bxc4+ 41.Kxc4 Bxa3
+/= (0.32) Depth: 30/48 00:04:38 1893mN
17.h5 Rfc8
+/= (0.26 --) Depth: 31/52 00:05:01 2050mN
17.h5 Rfc8 18.g6 Nxb2 19.gxf7+ Kxf7 20.Bg4 N6c4 21.Bxe6+ Ke8 22.Rde1 Qc5 23.Nb3 Nxd2+ 24.Qxd2 Qxc3 25.Qxc3 Rxc3 26.Kxb2 Rf3 27.h6 g6 28.Na5 Rb8 29.Nxb7 Rxb7 30.Bd5 Rb6 31.Bg8 Rxf4 32.Bxh7 Kf7 33.Reg1 g5 34.Bf5
+/= (0.26) Depth: 31/52 00:05:24 2217mN
17.h5 Nxd2+
= (0.20 --) Depth: 32/52 00:06:59 2888mN
17.h5 Nxd2+
= (0.14 --) Depth: 32/52 00:08:12 3405mN

(Basant, Mumbai 06.03.2015)
neelbasant
Posts: 226
Joined: Sun Apr 01, 2012 7:57 pm

Re: Why Komodo is weak in tactical combination ?

Post by neelbasant »

latest dev version finds it .


361: Stockfish 020315 64 POPCNT - Komodo 8 64-bit, NEEL-PC, 120m/40+60m/20+30m
r4rk1/1bq1bppp/pn1pp3/1p4P1/2nNPP1P/P1N2B2/1PPBQ3/1K1R3R w - - 0 1

Analysis by Stockfish 050315 64 POPCNT:

17.f5 Nxd2+ 18.Rxd2 e5 19.f6 exd4 20.fxe7
+/= (0.51) Depth: 6/8 00:00:00 14kN
17.f5 Nxd2+ 18.Rxd2 exf5 19.exf5 Nc4 20.f6 Nxd2+ 21.Qxd2 Bxf3
= (0.25) Depth: 7/9 00:00:00 18kN
17.Ncxb5 Nxd2+ 18.Rxd2 Qc8 19.Nxe6 fxe6 20.Nxd6 Bxd6 21.Rxd6
+/- (0.72) Depth: 8/10 00:00:00 45kN
17.Be1 e5 18.fxe5 Nxe5 19.Nf5 Nbc4 20.Bf2 Rfc8 21.Nd4
+/= (0.28) Depth: 9/12 00:00:00 94kN
17.Be1 e5 18.Nf5 exf4 19.Nxe7+ Qxe7 20.Bf2 Rfc8 21.Bd4 Re8 22.Qf2
= (0.17) Depth: 10/13 00:00:00 159kN
17.Be1 e5 18.Nf5 exf4 19.Qh2 Ne3 20.Rd3 Nxf5 21.exf5 Bxf3 22.Rxf3 d5 23.Qxf4 Qxf4 24.Rxf4
+/= (0.33) Depth: 11/15 00:00:00 254kN
17.Be1 Rfe8 18.Bg4 d5 19.g6 hxg6 20.h5 Bxa3 21.bxa3 gxh5 22.Rxh5 Qxf4
+/= (0.34) Depth: 12/16 00:00:00 614kN
17.Be1 Rae8 18.Qh2 d5 19.g6 dxe4 20.Nxe4 Bxe4 21.Bxe4 hxg6 22.h5 Nxb2 23.Kxb2
+/= (0.37) Depth: 13/17 00:00:01 984kN
17.h5 Nxd2+ 18.Qxd2 Nc4 19.Qd3 e5 20.h6 g6 21.Nde2 Qb6 22.Rdg1 Qe3 23.Qxe3 Nxe3 24.Nd5 Bxd5 25.exd5 exf4
+/= (0.38) Depth: 14/17 00:00:01 1996kN
17.h5 Rac8 18.h6 g6 19.Bg4 Nxb2 20.Nxe6 fxe6 21.Bxe6+ Kh8 22.Kxb2 Na4+ 23.Nxa4 Qxc2+ 24.Ka1 bxa4 25.e5 Rxf4 26.Bxc8 Bxc8
+/= (0.46) Depth: 15/21 00:00:02 3503kN
17.h5 Rac8
= (0.11 --) Depth: 16/26 00:00:03 8087kN
17.Bg4
= (0.22 ++) Depth: 16/26 00:00:03 9522kN
17.Bg4 Nxd2+ 18.Rxd2 e5 19.Nf5 Nc4 20.Rdd1 exf4 21.Nd5 Bxd5 22.exd5 Ne5 23.Rhf1 g6 24.Nxe7+ Qxe7 25.Rxf4 Rfe8 26.Rdd4 Nxg4 27.Qxg4 Qe1+ 28.Rd1
= (0.22) Depth: 16/26 00:00:04 9950kN
17.Rh3
+/= (0.28 ++) Depth: 17/26 00:00:04 11818kN
17.Rh3 Nxd2+
= (0.22 --) Depth: 17/26 00:00:04 13678kN
17.Rh3 Nxd2+
= (0.12 --) Depth: 17/26 00:00:05 14665kN
17.Rh3
= (0.20 ++) Depth: 17/26 00:00:05 15562kN
17.h5
+/= (0.41 ++) Depth: 17/26 00:00:05 16436kN
17.h5 Rac8 18.h6 g6 19.Bg4 e5 20.Bxc8 Rxc8 21.Nf3 Nxb2 22.Kxb2 Nc4+ 23.Kb1 Nxd2+ 24.Rxd2 Qxc3 25.Rd3 Qc4 26.fxe5 dxe5
+/= (0.42) Depth: 17/26 00:00:05 16673kN
17.h5 Rac8
+/= (0.36 --) Depth: 18/26 00:00:05 17183kN
17.h5 Rac8
+/= (0.29 --) Depth: 18/26 00:00:05 17427kN
17.h5 Rac8
= (0.20 --) Depth: 18/26 00:00:06 18943kN
17.Rh3
+/= (0.28 ++) Depth: 18/27 00:00:06 22671kN
17.Rh3 Nxd2+ 18.Qxd2 Nc4 19.Qe1 e5 20.Nf5 exf4 21.Ne2 Ne5 22.Nxf4 Rfc8 23.Nd4 Qd7 24.Rg3 Rc4 25.Nd5 Bxd5 26.exd5 Rac8
+/= (0.33) Depth: 18/27 00:00:07 24956kN
17.Rh3 Rad8
+/= (0.27 --) Depth: 19/27 00:00:08 30628kN
17.Rh3
+/= (0.33 ++) Depth: 19/27 00:00:08 31875kN
17.Rh3 Rad8
+/= (0.27 --) Depth: 19/27 00:00:08 32274kN
17.Rh3
+/= (0.35 ++) Depth: 19/27 00:00:09 36148kN
17.Rh3 Rad8
= (0.24 --) Depth: 19/27 00:00:10 37938kN
17.Rh3 Rad8 18.h5 d5 19.exd5 Nxd2+ 20.Qxd2 Nxd5 21.Bxd5 Bxd5 22.h6 g6 23.Re1 Bc5 24.Ne4 Bxe4 25.Rxe4 Bb6 26.Rd3 Rfe8 27.c3
+/= (0.29) Depth: 19/27 00:00:10 39369kN
17.Rh3 Rad8
= (0.22 --) Depth: 20/27 00:00:10 41198kN
17.h5
+/= (0.29 ++) Depth: 20/27 00:00:12 50343kN
17.h5
+/= (0.38 ++) Depth: 20/27 00:00:13 53113kN
17.h5 Rac8
+/= (0.30 --) Depth: 20/29 00:00:13 54238kN
17.h5 Rac8 18.Bg4 Nxb2 19.Nxe6 Qc4 20.Kxb2 fxe6 21.Kb1 e5 22.Qxc4+ Nxc4 23.Be6+ Kh8 24.Bxc8 Rxc8 25.Bc1 exf4 26.Bxf4 Nxa3+ 27.Kb2 b4 28.Nd5 Rxc2+ 29.Kb3 Bxd5+ 30.Rxd5
+/= (0.30) Depth: 20/31 00:00:14 55540kN
17.h5 Rac8
= (0.24 --) Depth: 21/32 00:00:14 59667kN
17.h5 Rac8
= (0.17 --) Depth: 21/32 00:00:15 63280kN
17.Rh3
= (0.24 ++) Depth: 21/32 00:00:17 76247kN
17.Rh3 Rad8
= (0.16 --) Depth: 21/32 00:00:20 89989kN
17.Rh3 Rad8 18.h5 Nxd2+ 19.Qxd2 Nc4 20.Qd3 e5 21.Nf5 exf4 22.Rg1 Rde8 23.Qd4 Ne5 24.g6 Bf6 25.Qxd6 Qxd6 26.Nxd6 Rb8 27.Nxb7 Rxb7 28.gxh7+ Kxh7 29.Nd5 Rd8 30.Nxf4
= (0.21) Depth: 21/32 00:00:20 91711kN
17.Rh3 Rad8
= (0.15 --) Depth: 22/32 00:00:21 96517kN
17.Rh3 Rad8
= (0.08 --) Depth: 22/32 00:00:24 111mN
17.Rh3
= (0.15 ++) Depth: 22/32 00:00:25 114mN
17.h5 Rac8 18.Bg4 Nxb2 19.Nxe6 Qc4 20.Nxf8 Nxd1 21.Rxd1 Qxe2 22.Nxe2 Rxf8 23.Nc3 Re8 24.Bc1 h6 25.Bf5 Nc4 26.gxh6 Bf6 27.Nd5 Bxd5 28.Rxd5 gxh6
= (0.07) Depth: 22/32 00:00:30 148mN
17.h5
= (0.13 ++) Depth: 23/33 00:00:33 162mN
17.h5 Rac8 18.Bg4 Nxb2 19.Nxe6 Qc4 20.Kxb2 fxe6 21.Qxc4 Nxc4+ 22.Kc1 e5 23.Be6+ Kh8 24.Bxc8 Rxc8 25.Rhf1 Kg8 26.Nd5 Bxd5 27.exd5 Nxa3 28.c3 exf4 29.Bxf4 Rxc3+ 30.Kb2
= (0.14) Depth: 23/33 00:00:35 171mN
17.h5
= (0.20 ++) Depth: 24/34 00:00:36 176mN
17.h5 Rac8
= (0.14 --) Depth: 24/34 00:00:37 183mN
17.h5
= (0.20 ++) Depth: 24/36 00:00:39 194mN
17.h5
+/= (0.34 ++) Depth: 24/36 00:00:43 214mN
17.h5 Nxd2+
= (0.24 --) Depth: 24/36 00:00:44 219mN
17.h5 Nxd2+ 18.Rxd2 e5 19.Nf5 Nc4 20.Rd3 exf4 21.Qg2 Ne5 22.Nd5 Bxd5 23.Rxd5 Rac8 24.g6 fxg6 25.hxg6 Rxf5 26.exf5 Nxf3 27.gxh7+ Kh8 28.Qxf3 Qxc2+ 29.Ka1 Bf6 30.Rb1 Rc5 31.Rxd6 Qxf5 32.Rxa6 Kxh7
+/= (0.31) Depth: 24/36 00:00:45 224mN
17.h5 Nxd2+
= (0.25 --) Depth: 25/36 00:00:47 237mN
17.h5 Nxd2+
= (0.19 --) Depth: 25/36 00:00:48 242mN
17.h5 Nxd2+
= (0.10 --) Depth: 25/36 00:00:50 253mN
17.Rh3
= (0.17 ++) Depth: 25/36 00:01:06 350mN
17.Rh3 Rad8 18.Bg2 Nxd2+ 19.Rxd2 Nc4 20.Rd1 d5 21.exd5 exd5 22.f5 Rfe8 23.Qd3 Qe5 24.f6 Bc5 25.Nce2 Ne3 26.Rg1 Nxg2 27.Rxg2 Qe4 28.Rf2 g6 29.Rf4 Qxd3 30.Rxd3 Bb6
= (0.17) Depth: 25/36 00:01:09 371mN
17.h5
= (0.23 ++) Depth: 26/36 00:01:17 418mN
17.h5
+/= (0.29 ++) Depth: 26/36 00:01:21 439mN
17.h5 Nxd2+
= (0.23 --) Depth: 26/36 00:01:22 449mN
17.h5 Nxd2+
= (0.09 --) Depth: 26/36 00:01:32 506mN
17.h5
= (0.20 ++) Depth: 26/37 00:01:33 510mN
17.h5 Nxd2+ 18.Rxd2 Nc4 19.Rd3 e5 20.Nf5 exf4 21.Qg2 Ne5 22.Nd5 Bxd5 23.Rxd5 Rad8 24.Rh4 Rc8 25.Rh2 Rcd8 26.c3 Kh8 27.Be2 Rd7 28.Rh1 Qd8 29.g6 Bf6 30.Qh2 h6 31.Qxf4 fxg6 32.hxg6
+/= (0.29) Depth: 26/39 00:01:36 531mN
17.h5 Nxd2+
= (0.23 --) Depth: 27/44 00:01:45 583mN
17.h5 Nxd2+
= (0.17 --) Depth: 27/44 00:01:49 602mN
17.h5
= (0.23 ++) Depth: 27/44 00:01:52 626mN
17.h5
+/= (0.37 ++) Depth: 27/44 00:01:59 668mN
17.h5 Nxd2+
+/= (0.26 --) Depth: 27/44 00:02:01 681mN
17.h5 Nxd2+ 18.Rxd2 e5 19.Nf5 exf4 20.Qg2 Nc4 21.Rd3 Rae8 22.Nd5 Bxd5 23.Rxd5 Bd8 24.Qg4 Ne3 25.Nxe3 fxe3 26.Re1 Qc4 27.Rxd6 Re6 28.Rxe6 Qxe6 29.Qxe6 fxe6 30.Bg4 Rf2 31.Bxe6+ Kf8 32.g6 hxg6
= (0.23) Depth: 27/44 00:02:08 721mN
17.h5 Nxd2+
= (0.17 --) Depth: 28/44 00:02:17 775mN
17.h5 Nxd2+ 18.Rxd2 e5 19.Nf5 exf4 20.Qg2 Nc4 21.Rd3 Rae8 22.Nd5 Bxd5 23.Rxd5 Bd8 24.Qg4 Ne3 25.Nxe3 fxe3 26.Re1 Qc4 27.Rxd6 Re6 28.Rxe6 Qxe6 29.Qxe6 fxe6 30.Bg4 Bxg5 31.Bxe6+ Kh8 32.e5 a5
= (0.17) Depth: 28/44 00:02:39 911mN
17.h5 Nxd2+
= (0.10 --) Depth: 29/44 00:03:12 1110mN
17.h5 Nxd2+
= (0.04 --) Depth: 29/44 00:03:44 1307mN
17.Rh3
= (0.10 ++) Depth: 29/45 00:05:11 1873mN
17.Rh3
= (0.24 ++) Depth: 29/45 00:06:02 2192mN
17.Rh3 Rad8
= (0.13 --) Depth: 29/45 00:06:40 2439mN
17.Rh3 Qc5 18.Nb3 Qc7 19.f5 Na4 20.Nxa4 bxa4 21.Nd4 Rab8 22.fxe6 Bc8 23.Bc1 Nxb2 24.Bxb2 Bxe6 25.Rh2 Qc3 26.Nb3 Qc7 27.Nd4
= (0.00) Depth: 29/52 00:08:39 3211mN
17.Rh3 Qc5 18.Nb3 Qc7 19.Nd4
= (0.00) Depth: 30/52 00:09:17 3448mN

(Basant, Mumbai 06.03.2015)