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Subject: Re: Infinite Analysis: what is the best program?

Author: Shaun Brewer

Date: 15:47:13 02/25/06

Go up one level in this thread


On February 25, 2006 at 16:32:39, Tobias Lagemann wrote:

>Hello Tansel,
>
>>I would appreciate your experience and recommendations:
>>
>>It looks like Rybka seems to be leading all the programs currently.
>>
>>1)I am interested to see what happens on longer time controls (infinite
>>analysis) (ie: if a couple hours/move is allowed)
>>
>>is there any data on this?
>>
>>2) Do the leading programs superiority continue, or do some other programs do
>>better when couple hours of time given for each move?
>>
>>3)I am also interested to see how Hiarcs 10 does if all engines are give long
>>time to analyze. It sees alot, but it is very slow and do not
>>see many plies deep compared to other programs.
>>
>>best regards,
>>Tansel Turgut
>
>I've read your posting/questions about this theme a few days ago...
>
>First of all I'm sure there isn't any data about long-time-analysis games...
>Okay there is the "Planeten-Match" in which FGM Arno Nickel have played against
>long-time-thinking Engines.
>
>In my opinion, there is no big difference between the "best move" after 30min
>and maybe 5 hours... Sometimes the "best move" change, but nevertheless the
>"second best move" is good enough. Take a look at your engine-output... And take
>a look at the ply-deep after 30min and 5 hours. And take a look to the
>main-lines - and! go in the mainlines. Often their is many funny stuff in the
>given move order. Or in other words "Never trust a main-line" ;-)
>
>Some words to Hiarcs: I only knew Hiarcs 9 and maybe he looks slow, but he
>isn't.
>
>Please compare the results for this position.
>
>1r6/Rb4kp/3pr3/3Rp1pP/6N1/1Pq3P1/4QP2/6K1 w - - 0 36
>
>Hiarcs 9
>
>36.Dc4 De1+
>² (0.54) Tiefe: 11/37 00:02:27 33770kN
>
>Fritz for Fun 4 (Fritz 8)
>36.Dc4!
>² (0.36) Tiefe: 14/48 00:07:49 415098kN
>
>Okay, only one example, but that's the way Hiarcs thinks... Slow in Deep, but
>very intensive! Maybe that's the reason why Hiarcs is well-known as a good
>Blitz-Engine.
>
>Best regards
>Tobias
>
>
>Analysis by Hiarcs 9:
>
>36.Db5 Dc1+ 37.Kg2
>µ (-0.85) Tiefe: 1/12 00:00:00
>36.Tb5
>³ (-0.70) Tiefe: 1/12 00:00:00
>36.Tb5 Te7
>³ (-0.70) Tiefe: 1/12 00:00:00
>36.Td3
>³ (-0.68) Tiefe: 1/12 00:00:00
>36.Td3
>³ (-0.68) Tiefe: 1/12 00:00:00
>36.Dd2
>³ (-0.60) Tiefe: 1/12 00:00:00
>36.Dd2 Dxd2
>³ (-0.60) Tiefe: 1/12 00:00:00
>36.Dd1
>³ (-0.42) Tiefe: 1/12 00:00:00
>36.Dd1 Db4
>³ (-0.42) Tiefe: 1/12 00:00:00
>36.De3
>³ (-0.35) Tiefe: 1/12 00:00:00
>36.De3 Dxe3 37.Sxe3
>³ (-0.33) Tiefe: 1/12 00:00:00
>36.De3 Dxe3 37.Sxe3
>³ (-0.33) Tiefe: 2/12 00:00:00
>36.Db5 Dc1+ 37.Kg2
>³ (-0.29) Tiefe: 2/12 00:00:00
>36.Db5 Dc1+ 37.Kg2
>= (-0.08) Tiefe: 2/12 00:00:00
>36.Db5 Dc8 37.h6+
>= (-0.08) Tiefe: 2/12 00:00:00
>36.Db5 Dc8 37.Se3
>= (-0.02) Tiefe: 3/14 00:00:00
>36.Db5 Dc7 37.h6+ Kg8 38.Dd3
>= (-0.11) Tiefe: 4/14 00:00:00
>36.Db5 Dc8 37.Dd3 Dc6 38.Se3
>= (-0.18) Tiefe: 5/16 00:00:00 19kN
>36.Db5 Dc8 37.Dd3 Dc6 38.Se3
>³ (-0.44) Tiefe: 6/21 00:00:00 79kN
>36.Db5 De1+ 37.Kg2 Te7 38.h6+ Kf7
>³ (-0.47) Tiefe: 6/21 00:00:00 84kN
>36.De3 Dxe3
>³ (-0.46) Tiefe: 6/21 00:00:00 94kN
>36.De3 Dxe3 37.Sxe3 Kf6 38.Sg4+ Kf7 39.b4
>³ (-0.30) Tiefe: 6/21 00:00:00 99kN
>36.Se3 Kg8
>³ (-0.30) Tiefe: 6/21 00:00:01 134kN
>36.Se3 Kh8 37.Tb5 Dc8 38.Dg4 Dc1+ 39.Dd1 Dxd1+
>³ (-0.27) Tiefe: 6/21 00:00:01 139kN
>36.Se3 Kh8 37.Tb5 Dc1+ 38.Dd1 Dc8 39.Dg4 Dc1+ 40.Sd1 Te7
>³ (-0.44) Tiefe: 7/21 00:00:01 285kN
>36.De3 Dxe3 37.Sxe3 Kf6 38.Sg4+ Kf7 39.b4
>³ (-0.43) Tiefe: 7/24 00:00:02 310kN
>36.De3 Dxe3 37.Sxe3 Kf6 38.Sg4+ Kf7 39.b4
>= (-0.13) Tiefe: 7/24 00:00:02 322kN
>36.De3 Dxe3 37.Sxe3 Kf6 38.Sg4+ Kf7 39.b4
>= (0.13) Tiefe: 8/26 00:00:03 727kN
>36.De3 Dxe3 37.fxe3 h6 38.e4
>= (0.13) Tiefe: 8/26 00:00:04 740kN
>36.De3 Dxe3 37.fxe3 h6 38.e4
>² (0.38) Tiefe: 9/29 00:00:09 1831kN
>36.De3 Dxe3 37.fxe3 h6 38.e4
>² (0.42) Tiefe: 9/29 00:00:09 1873kN
>36.De3 Dxe3 37.fxe3 Kh8 38.Tb5 Te7 39.Sf6 Tc7 40.Tb6 Tc1+ 41.Kf2
>² (0.38) Tiefe: 10/30 00:00:18 3841kN
>36.De3 Dc6 37.Dxg5+ Kh8 38.Sf6 Tf8 39.h6 Te7 40.b4 Tef7 41.g4 Dc2 42.Txb7 Txb7
>² (0.53) Tiefe: 11/36 00:01:05 14894kN
>36.Dc4 De1+
>² (0.54) Tiefe: 11/37 00:02:27 33770kN
>36.Dc4 De1+ 37.Kg2 Te7 38.Txb7 Texb7 39.Txd6 Te7 40.Dd5 Tbe8 41.Sf6 Tf8 42.h6+
>Kh8 43.Td8
>² (0.61) Tiefe: 11/38 00:02:31 34610kN
>36.Dc4 De1+ 37.Kg2 Te7 38.Txb7 Texb7 39.Txd6 Te7 40.Dd5 Tbe8 41.Sf6 Tf8 42.h6+
>Kh8 43.Td8
>± (0.86) Tiefe: 12/40 00:03:14 44296kN
>36.Dc4 Dxc4 37.bxc4 Kf8 38.Tb5 Te7 39.Tb6 Tc7 40.Se3 Tf7 41.Txd6
>± (1.22) Tiefe: 12/40 00:03:41 50260kN
>36.Dc4 Dxc4 37.bxc4 Kf7 38.Tb5 Te7 39.Tb6 Ke6 40.c5 Td7 41.Sxe5 Kxe5 42.c6
>± (1.34) Tiefe: 13/42 00:07:14 99375kN
>36.Dc4 Dxc4 37.bxc4 Kf7 38.Tb5 Te7 39.Tb6 Kf8 40.Sh6 Tc7 41.Sf5 d5 42.Sd6 dxc4
>43.Tb5 Td8
>+- (1.46) Tiefe: 14/45 00:17:10 236325kN
>
>Analysis by Fritz for Fun 4:
>
>36.De3 Dxe3 37.fxe3 Kf8 38.Tb5 Te7 39.Sf6 Kg7 40.Se4 d5 41.Sxg5
>= (0.11) Tiefe: 7/21 00:00:00 102kN
>36.De3!
>² (0.39) Tiefe: 8/25 00:00:00 250kN
>36.De3 Dxe3 37.fxe3 Kf8 38.Tb5 Te7 39.Sf6 Tc7 40.e4 Kg7 41.Sd5
>² (0.52) Tiefe: 8/25 00:00:00 413kN
>36.De3 Dxe3 37.fxe3 Kf8 38.Tb5 Te7 39.Sf6 Tc7 40.e4 Kg7 41.Sd5
>² (0.52) Tiefe: 9/25 00:00:01 784kN
>36.De3 Dxe3 37.fxe3 Kf8 38.Tb5 Te7 39.Sf6 Tc7 40.e4 Kg7 41.Sd5
>² (0.52) Tiefe: 10/29 00:00:02 1914kN
>36.De3 Dc6 37.Dxg5+ Kh8 38.Sf6 Tc8 39.Kh2 Db6 40.De3 Dc7 41.Se4 Tf8
>² (0.70) Tiefe: 11/31 00:00:07 5771kN
>36.De3--
>² (0.42) Tiefe: 12/33 00:00:13 11591kN
>36.De3 Dc6 37.Dxg5+ Kh8 38.Sf6 Tc8 39.Df5 Te7 40.Ta1 Dc7 41.Td3 e4 42.Td4
>= (0.20) Tiefe: 12/33 00:00:17 14233kN
>36.Se3!
>= (0.20) Tiefe: 12/35 00:00:39 34068kN
>36.Se3 Tf6 37.Txd6 Txd6 38.Sf5+ Kg8 39.Sxd6 Lf3 40.Df1 Dc5 41.Td7 Lc6
>² (0.28) Tiefe: 12/35 00:00:50 43921kN
>36.Se3 Kh8 37.Tb5 Te7 38.Sd5 Dc1+ 39.Df1 Dxf1+ 40.Kxf1 Tf7 41.h6 e4 42.Ke2
>= (0.22) Tiefe: 13/37 00:01:44 91563kN
>36.De3!
>= (0.23) Tiefe: 13/37 00:01:47 93808kN
>36.De3--
>= (-0.05) Tiefe: 14/48 00:03:44 197743kN
>36.De3 Dc6 37.Dxg5+
>= (-0.05) Tiefe: 14/48 00:03:55 206697kN
>36.Se3!
>= (-0.05) Tiefe: 14/48 00:04:21 229988kN
>36.Se3!
>= (0.11) Tiefe: 14/48 00:04:48 253797kN
>36.Se3 Kh8 37.Tb5 Dc6 38.Sd5 Tee8 39.Dc4 Dxc4 40.bxc4 Lxd5 41.Txd5 Tb6 42.Kg2
>Tc8 43.Tb5
>² (0.36) Tiefe: 14/48 00:05:36 296694kN
>36.Dc4!
>² (0.36) Tiefe: 14/48 00:07:49 415098kN
>36.Dc4!
>² (0.52) Tiefe: 14/48 00:07:52 418191kN
>36.Dc4!
>± (0.83) Tiefe: 14/48 00:08:03 427917kN
>36.Dc4 Dxc4 37.bxc4 Kf8 38.Tb5 Te7 39.Sh6 Td7 40.Sf5 e4 41.Sd4 Tf7
>+- (1.45) Tiefe: 14/49 00:08:19 441694kN
>36.Dc4!
>+- (1.73) Tiefe: 15/43 00:08:54 472430kN
>36.Dc4--
>+- (1.45) Tiefe: 16/33 00:11:48 631973kN
>36.Dc4 Dxc4 37.bxc4
>+- (1.45) Tiefe: 16/58 00:12:47 683517kN
>36.Dc4!
>+- (1.73) Tiefe: 17/48 00:25:11 1363415kN
>36.Dc4!
>+- (2.01) Tiefe: 18/57 00:53:16 2902282kN

Spike & Toga + Fritz 8 for reference analysis run in parallel so each engine had
1/3 of processor

New game
1r6/Rb4kp/3pr3/3Rp1pP/6N1/1Pq3P1/4QP2/6K1 w - - 0 1

Analysis by Fritz 8:

1.Qe3 Qc2 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qd8+ Kg7
  ²  (0.62)   Depth: 7/8   00:00:00
1.Qe3 Qc2 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qd8+ Kg7
  ²  (0.62)   Depth: 8/8   00:00:00
1.Qe3 Qc2 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qd8+ Kg7
  ²  (0.62)   Depth: 9/9   00:00:00
1.Qe3 Qc2 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qd8+ Kg7
  ²  (0.62)   Depth: 10/10   00:00:00
1.Qe3 Qc2 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qd8+ Kg7
  ²  (0.62)   Depth: 11/11   00:00:00
1.Qe3--
  ²  (0.34)   Depth: 12/37   00:00:26  14105kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Ne3 Rf8 4.Qg4 Ref6 5.Qb4
  =  (0.06)   Depth: 12/38   00:00:32  17610kN
1.Ne3!
  =  (0.09)   Depth: 12/38   00:00:57  32873kN
1.Ne3!
  =  (0.25)   Depth: 12/38   00:01:25  50146kN
1.Ne3 Qc1+ 2.Rd1 Qc6 3.Nd5 Re7 4.h6+ Kh8 5.Qh5 Rf8 6.Ra2 Ref7 7.Qxg5 Qb5
  ²  (0.40)   Depth: 13/39   00:04:30  162476kN
1.Ne3 Qc1+ 2.Rd1 Qc6 3.Nd5 Re7 4.Qg4 Rf7 5.Qxg5+ Kh8 6.Qe3 Rbf8 7.Ra2 Rf3
  ²  (0.28)   Depth: 14/39   00:09:37  351988kN
1.Qc4!
  ²  (0.31)   Depth: 14/40   00:11:47  433544kN
1.Qc4!
  ²  (0.47)   Depth: 14/40   00:11:54  438230kN
1.Qc4!
  ±  (0.78)   Depth: 14/40   00:12:09  447121kN
1.Qc4 Qxc4 2.bxc4 Kf8 3.Rb5 Re7 4.Nf6 h6 5.Rb6 Rc7 6.Rxd6 Bf3 7.Rd8+
  ±  (1.22)   Depth: 14/40   00:12:37  464992kN
1.Qc4 Qxc4 2.bxc4 Kf8 3.Rb5 Re7 4.Nf6 Rc7 5.Rb6 g4 6.Kh2 Kf7 7.Ne4
  ±  (1.25)   Depth: 15/44   00:16:01  592373kN
1.Qc4 Qxc4 2.bxc4 Kf8 3.Rb5 Re7 4.Nf6 g4 5.Nxg4 Kf7 6.Ne3 Ke6 7.Nd5
  +-  (1.43)   Depth: 16/45   00:29:08  1095849kN, tb=1
1.Qc4 Qxc4 2.bxc4 Kf7 3.Kh2 Ke8 4.Rb5 Re7 5.Rb6 Kd8 6.Rxd6+ Kc7 7.Rda6 Rc8 8.Ne3
  +-  (1.50)   Depth: 17/48   01:06:04  2518489kN, tb=2


New game
1r6/Rb4kp/3pr3/3Rp1pP/6N1/1Pq3P1/4QP2/6K1 w - - 0 1

Analysis by Spike 1.1:

1.Qe4 Qxb3
  ²  (0.52)   Depth: 1   00:00:01
1.Qe4 Qxb3
  ²  (0.52)   Depth: 1   00:00:01
1.Qe4 Qxb3
  ²  (0.52)   Depth: 2   00:00:01
1.Qe4 Qxb3
  ²  (0.52)   Depth: 2   00:00:01
1.Qe4 Kg8 2.b4 Qc1+ 3.Kh2 Bxd5 4.Qxd5
  µ  (-1.19)   Depth: 3   00:00:01
1.Qb5 Qc1+ 2.Kg2 Re7
  ²  (0.49)   Depth: 3   00:00:01
1.Qd1 h6 2.Rxd6
  ±  (1.33)   Depth: 3   00:00:02
1.Qd1 h6 2.Rxd6
  ±  (1.33)   Depth: 3   00:00:02
1.Qd1 Qc6 2.Qd3 Kg8
  ²  (0.61)   Depth: 4   00:00:02
1.Qd1 Qc6 2.Qd3 Kg8
  ²  (0.61)   Depth: 4   00:00:02
1.Qd1 Qc6 2.Qd3 Kg8
  ²  (0.29)   Depth: 5   00:00:02
1.Qb5 Qc7 2.b4 Kf8 3.Qf1
  ²  (0.37)   Depth: 5   00:00:02
1.Qb5 Qc7 2.b4 Kf8 3.Qf1
  ²  (0.37)   Depth: 5   00:00:03
1.Qb5 Qc7 2.b4 Kf8 3.Qf1 Rc8
  =  (0.07)   Depth: 6   00:00:03  83kN
1.Ne3 Kh8 2.Qb5 Qc7 3.Qd3 Rf8
  =  (0.18)   Depth: 6   00:00:03  155kN
1.Qe4 Kg8 2.Qf5 Qe1+ 3.Kh2 Bxd5 4.Qxh7+
  ²  (0.67)   Depth: 6   00:00:04  180kN
1.Qe4 Kg8 2.Qf5 Qe1+ 3.Kh2 Bxd5 4.Qxh7+
  ²  (0.67)   Depth: 6   00:00:04  180kN
1.Qe4 Qc6 2.Ne3 Rf8 3.Ng4 Kg8
  =  (0.22)   Depth: 6   00:00:04  207kN
1.Qe4 Qc6 2.Ne3 Rf8 3.Ng4 Kg8
  =  (0.22)   Depth: 6   00:00:04  231kN
1.Qe4 Qc6 2.Ne3 Rf8 3.Ng4 Kg8
  =  (-0.07)   Depth: 7   00:00:04  279kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.e4 Rf7
  =  (0.08)   Depth: 7   00:00:05  381kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.e4 Rf7
  =  (0.08)   Depth: 7   00:00:05  457kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.Rb6 d5 5.Rf6
  ²  (0.33)   Depth: 8   00:00:05  496kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.Rb6 d5 5.Rf6
  ²  (0.33)   Depth: 8   00:00:05  664kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.e4 Rc7 5.Ne3 Rf7
  =  (0.24)   Depth: 9   00:00:06  710kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.e4 Rc7 5.Ne3 Rf7
  =  (0.24)   Depth: 9   00:00:08  1239kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Ke6 5.Na5
  ²  (0.54)   Depth: 10   00:00:09  1422kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Ke6 5.Na5
  ²  (0.54)   Depth: 10   00:00:10  1422kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Rc7 5.Rb6 Ke7 6.Nxd6 Rc1+ 7.Kh2
  ±  (0.73)   Depth: 10   00:00:11  1665kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Rc7 5.Rb6 Ke7 6.Nxd6 Rc1+ 7.Kh2
  ±  (0.73)   Depth: 10   00:00:15  2270kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Rc7 5.Rb6 Ke7 6.Nxd6 Rc1+ 7.Kh2
  ²  (0.43)   Depth: 11   00:00:16  2348kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Rc7 5.Rb6 Ke7 6.Nxd6 Rc1+ 7.Kh2
  ²  (0.43)   Depth: 11   00:00:41  6203kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.g4 h6 4.Rb5 Re7 5.Nf5 Bf3 6.Rxb8 Rxa7 7.Rf8+ Ke6 8.Nxh6
  ±  (0.79)   Depth: 11   00:00:48  7034kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.g4 h6 4.Rb5 Re7 5.Nf5 Bf3 6.Rxb8 Rxa7 7.Rf8+ Ke6 8.Nxh6
  ±  (0.79)   Depth: 11   00:00:48  7034kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Bc6 5.Rxe7 Rxb6 6.Rxh7
  ±  (1.09)   Depth: 12   00:01:23  11228kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Bc6 5.Rxe7 Rxb6 6.Rxh7
  ±  (1.09)   Depth: 12   00:01:23  11228kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Ke6 5.Nc4 Rd7 6.Nxd6 Rxd6 7.Rbxb7 Rd1+
8.Kg2 Rxb7 9.Rxb7
  ±  (1.09)   Depth: 12   00:01:24  11340kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Ke6 5.Nc4 Rd7 6.Nxd6 Rxd6 7.Rbxb7 Rd1+
8.Kg2 Rxb7 9.Rxb7
  ±  (1.09)   Depth: 12   00:01:36  12726kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Ke6 5.Nc4 Rd7 6.Nxd6 Rxd6 7.Rbxb7 Rd1+
8.Kg2 Rxb7 9.Rxb7
  ±  (0.79)   Depth: 13   00:02:00  15694kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Rb6 Ke6 5.Nc4 Rd7 6.Nxd6 Rxd6 7.Rbxb7 Rd1+
8.Kg2 Rxb7 9.Rxb7
  ±  (0.79)   Depth: 13   00:03:30  27177kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Nf6 Re7 4.b4 Qb6 5.Qe3 Qxb4 6.Kh2 Rf7 7.Qh6 Bxd5 8.Rxf7
  ²  (0.42)   Depth: 13   00:03:50  29483kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Nf6 Re7 4.b4 Qb6 5.Qe3 Qxb4 6.Kh2 Rf7 7.Qh6 Bxd5 8.Rxf7
  ²  (0.42)   Depth: 13   00:04:55  37331kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Nf6 Rf8 4.h6 Re7 5.Ra4 Qc3 6.Ne4 Qe1+ 7.Kh2 Rxf2+ 8.Nxf2
Qxf2+ 9.Kh3 Qf1+ 10.Kg4 Bxd5 11.Qxe7 Bxb3
  ²  (0.40)   Depth: 14   00:05:48  43429kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Nf6 Rf8 4.h6 Re7 5.Ra4 Qc3 6.Ne4 Qe1+ 7.Kh2 Rxf2+ 8.Nxf2
Qxf2+ 9.Kh3 Qf1+ 10.Kg4 Bxd5 11.Qxe7 Bxb3
  ²  (0.40)   Depth: 14   00:09:14  68643kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Nf6 Rf8 4.h6 Re7 5.Ra4 Qc3 6.Ne4 Qe1+ 7.Kh2 Rxf2+ 8.Nxf2
Qxf2+ 9.Kh3 Qf1+ 10.Kg4 Bxd5 11.Qxe7 Bxb3
  =  (0.10)   Depth: 15   00:10:47  79822kN
1.Qa6 Qc7 2.Qc4 Re7 3.Ne3 Qb6 4.Rxd6 Qxa7 5.Nf5+ Kh8 6.Nxe7 Bf3 7.Nc6 Qa1+ 8.Qf1
Qxf1+ 9.Kxf1 Rxb3 10.Rd8+ Kg7 11.Nxe5 Bxh5
  =  (0.16)   Depth: 15   00:18:02  132083kN
1.Qa6 Qc7 2.Qc4 Re7 3.Ne3 Qb6 4.Rxd6 Qxa7 5.Nf5+ Kh8 6.Nxe7 Bf3 7.Nc6 Qa1+ 8.Qf1
Qxf1+ 9.Kxf1 Rxb3 10.Rd8+ Kg7 11.Nxe5 Bxh5
  =  (0.16)   Depth: 15   00:33:39  246363kN
1.Qa6 Qc7 2.Qc4 Re7 3.Ne3 Qb6 4.Rxd6 Qxa7 5.Nf5+ Kh8 6.Nxe7 Bf3 7.Nf5
  ²  (0.46)   Depth: 16   00:35:32  260194kN
1.Qa6 Qc7 2.Qc4 Re7 3.Ne3 Qb6 4.Rxd6 Qxa7 5.Nf5+ Kh8 6.Nxe7 Bf3 7.Nf5
  ²  (0.46)   Depth: 16   00:35:32  260194kN
1.Qa6 Qc7 2.Qc4 Qd7 3.Ne3 Ra8 4.Nf5+ Kf8 5.Rxa8+ Bxa8 6.Rxd6 Rxd6 7.Nxd6 Qxd6
8.Qc8+ Kg7 9.Qxa8 Qd1+ 10.Kh2 Qxb3 11.Qc6 Qd3
  ²  (0.37)   Depth: 16   00:41:17  302846kN
1.Qc4 Qe1+ 2.Kh2 Re7 3.Rxb7 Rexb7 4.Rxd6 Rf7 5.h6+ Kf8 6.Qd3 Re8 7.Rd7 Rxd7
8.Qxd7 Re7 9.Qc8+ Kf7 10.Qf5+ Ke8 11.Nf6+ Kd8 12.Nxh7
  ±  (0.84)   Depth: 16   00:56:57  422443kN
1.Rb5 Qc1+ 2.Qf1 Qxf1+ 3.Kxf1 Re7 4.Rb6 Rd7 5.Ke1 e4 6.Ne3 Kf7 7.Nf5 Ke6 8.Nxd6
Rxd6 9.Rbxb7 Rxb7 10.Rxb7 h6
  ±  (0.90)   Depth: 16   01:02:17  464501kN
1.Rb5 Qc1+ 2.Qf1 Qxf1+ 3.Kxf1 Re7 4.Rb6 Rd7 5.Ke1 e4 6.Ne3 Kf7 7.Nf5 Ke6 8.Nxd6
Rxd6 9.Rbxb7 Rxb7 10.Rxb7 h6
  ±  (0.90)   Depth: 16   01:03:15  471913kN
1.Rb5 Qc1+ 2.Qf1 Qxf1+ 3.Kxf1 Re7 4.Rb6 Rd7 5.Ke1 h6 6.Ne3 Kf7 7.Nc4 Ke6 8.b4 e4
9.Nxd6 Rxd6 10.Rbxb7 Rbd8
  ±  (0.71)   Depth: 17   01:06:11  495514kN
1.Qc4 Qe1+ 2.Kh2 Re7 3.Rxb7 Rexb7 4.Rxd6 Rf7 5.h6+ Kf8 6.Rf6 Rxf6 7.Qc5+ Kf7
8.Qa7+
  ±  (1.20)   Depth: 17   01:13:03  548716kN
1.Qc4 Qe1+ 2.Kh2 Re7 3.Rxb7 Rexb7 4.Rxd6 Rf7 5.h6+ Kf8 6.Rf6 Rxf6 7.Qc5+ Kf7
8.Qa7+
  ±  (1.20)   Depth: 17   01:13:03  548716kN


New game
1r6/Rb4kp/3pr3/3Rp1pP/6N1/1Pq3P1/4QP2/6K1 w - - 0 1

Analysis by Toga II 1.1a:

1.Ne3 Qxb3
  =  (-0.07)   Depth: 1/3   00:00:00
1.Qd1
  =  (0.04)   Depth: 1/3   00:00:00
1.Qe3
  =  (0.19)   Depth: 1/5   00:00:00
1.Qe4 Qxb3
  =  (0.23)   Depth: 1/5   00:00:00
1.h6+ Kh8
  ²  (0.40)   Depth: 1/7   00:00:00
1.h6+ Kf8 2.Rd3
  =  (0.11)   Depth: 2/12   00:00:00
1.Qe4 Qxb3
  =  (0.23)   Depth: 2/12   00:00:00
1.Qd1 Qb4
  ²  (0.46)   Depth: 2/12   00:00:01
1.Qd1 Qc6 2.Qf3 Qc1+ 3.Kg2
  ²  (0.55)   Depth: 3/12   00:00:01
1.Qd1 Kg8 2.Qd2 Qxd2 3.Rxd2
  =  (0.02)   Depth: 4/12   00:00:01
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rd2
  ²  (0.39)   Depth: 4/16   00:00:01
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rd2 Kg7
  ²  (0.37)   Depth: 5/16   00:00:01
1.Qe4 Qc1+ 2.Kh2 Qc6 3.Kg2 Kh8
  ²  (0.47)   Depth: 5/16   00:00:01
1.Qe4 Qxb3 2.Rd2 Kh8 3.Qf5 Rg8
  ³  (-0.52)   Depth: 6/20   00:00:01  21kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.e4
  ²  (0.44)   Depth: 6/20   00:00:02  21kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.Rb6 Rd7
  ²  (0.36)   Depth: 7/20   00:00:02  23kN
1.Qe3 Qxe3 2.fxe3 Kh8 3.Rb5 Re7 4.Rb6 Rd7 5.e4
  ²  (0.44)   Depth: 8/20   00:00:02  34kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Be4 5.Nxd6 Rxa7 6.Nxe4+ Kf5 7.Rxb8 Kxe4
  ²  (0.51)   Depth: 9/24   00:00:03  140kN
1.Qe3 Qxe3 2.Nxe3 Kf6 3.Rb5 Re7 4.Nc4 Be4 5.Nxd6 Rxa7 6.Nxe4+ Kf5 7.Nd6+ Ke6
8.Rxb8 Kxd6
  ²  (0.57)   Depth: 10/28   00:00:10  660kN
1.Qe3 Qxe3 2.fxe3 Kf8 3.Rb5 Re7 4.Rb6 d5 5.Rf6+ Ke8 6.Rf5 d4 7.Nxe5 dxe3 8.Rxg5
  ²  (0.59)   Depth: 11/37   00:00:20  2182kN
1.Qe3 Qxe3 2.fxe3 Kf8 3.Rb5 Re7 4.Rb6 Rc7 5.Rxd6 Rc1+ 6.Kf2 Ke7 7.Rd5 Rf8+ 8.Ke2
Rc2+ 9.Kd3
  ²  (0.61)   Depth: 12/42   00:00:34  4703kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Ne3 Rf8 4.Qg4 Ref6 5.Qb4 R8f7 6.Ra2 Qd7 7.Rd1 Rg7
  ²  (0.60)   Depth: 13/42   00:01:54  15058kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Ne3 Rf8 4.Qg4 Ref6 5.Qb4 R8f7 6.Qb5 Qc1+ 7.Rd1 Qb2 8.Ng4
Qc2 9.Nxf6 Qxd1+ 10.Qf1 Qxb3
  ²  (0.34)   Depth: 14/46   00:03:59  31869kN
1.Qe3 Qc6 2.Qxg5+ Kh8 3.Rxb7 Rxb7 4.Qf5 Qe8 5.Nf6 Qe7 6.Nxh7 Kg7 7.Ng5 Rh6 8.Qg4
Rxb3 9.Ne6+ Kf7
  =  (0.24)   Depth: 15/50   00:14:06  111506kN
1.Qc4 Qe1+ 2.Kg2 Re7 3.h6+ Kh8 4.Rxb7 Rexb7 5.Rxd6 Re7 6.Qd5 Ree8 7.Qf7 Qc1
8.Rd8 Qc6+ 9.Kh2 Qb5 10.Qf6+ Kg8 11.Rxb8 Rxb8 12.Qxg5+ Kh8 13.Qxe5+ Qxe5 14.Nxe5
Rxb3
  ±  (0.74)   Depth: 15/54   00:27:08  211838kN
1.Qc4 Qxc4 2.bxc4 Kf7 3.Rb5 Re7 4.Rb6 Ke6 5.c5 Rd7 6.Nxe5 Kxe5 7.c6 Bxc6 8.Ra5+
d5 9.Rxb8 Rb7 10.Rxb7 Bxb7
  +-  (1.55)   Depth: 16/61   00:45:50  362248kN
1.Qc4 Qxc4 2.bxc4 Kf7 3.Rb5 Re7 4.Rb6 Ke6 5.c5 Rd7 6.Nxe5 Kxe5 7.c6 Bxc6 8.Ra5+
d5 9.Rxb8 Rb7 10.Rxb7 Bxb7 11.Ra7
  +-  (1.62)   Depth: 17/61   00:47:14  374231kN
1.Qc4 Qxc4 2.bxc4 Kf7 3.f3 Ke8 4.Rb5 Re7 5.Nf6+ Kf7 6.Nxh7 g4 7.fxg4 Ke6 8.Ng5+
Kf6 9.Nf3 Bxf3 10.g5+ Kxg5 11.Rxe7 Rxb5 12.cxb5 Bxh5
  +-  (1.69)   Depth: 18/61   01:18:42  636324kN

Shaun



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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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