Author: Dadi Jonsson
Date: 09:02:23 08/02/04
Go up one level in this thread
On August 02, 2004 at 08:22:56, Vincent Lejeune wrote:
>On August 02, 2004 at 07:44:56, Dadi Jonsson wrote:
>
>>On August 02, 2004 at 07:22:16, Vincent Lejeune wrote:
>>
>>>On August 02, 2004 at 06:22:47, Dadi Jonsson wrote:
>>>
>>>>On August 01, 2004 at 17:41:38, Uri Blass wrote:
>>>>
>>>>>On August 01, 2004 at 08:21:11, martin fierz wrote:
>>>>>
>>>>>>On July 31, 2004 at 21:03:11, Dan Ellwein wrote:
>>>>>>
>>>>>>>On July 31, 2004 at 07:24:15, Mark Young wrote:
>>>>>>>
>>>>>>>>[d]3q3r/4b1k1/4P1p1/rpp2p1p/1nn2Q2/5N1P/P4PP1/RBB1R1K1 w
>>>>>>>>Another GM sac refuted by computers?
>>>>>>>>
>>>>>>>>This position is from...
>>>>>>>>
>>>>>>>>GM Fischer - GM Leonid Stein
>>>>>>>>Interzonal, Sousse 1967
>>>>>>>>
>>>>>>>>GM Fischer played the (so called) winning move Bxf5! Annotators claim GM Fischer
>>>>>>>>wins easily after Bxf5! gxf5 Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Qe8(or Qd3).
>>>>>>>>
>>>>>>>>For this reason GM Stein played Qf8? and lost...but Bxf5 gxf5! seems to more
>>>>>>>>then hold the position. Do any computers or humans disagree.
>>>>>>>>
>>>>>>>>Example line.
>>>>>>>>Bxf5 gxf5! Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Ra3!.
>>>>>>>
>>>>>>>here's the analysis after Ra3...
>>>>>>>
>>>>>>>P3/850
>>>>>>>
>>>>>>>Time Depth Score Positions Moves
>>>>>>>4:12:43 2/14 2.36 1240838800 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Bg5 Rg8
>>>>>>> 4.Rad1 Qe8 5.Rd7 Rg7 6.Qf4 Nc6
>>>>>>> 7.Qxf5+ Qg6 8.Qxg6+ Kxg6 9.Bxe7
>>>>>>> Nxe7 10.Ne5+ Nxe5 11.Rxe5
>>>>>>>---- ---- ---- ---- ----
>>>>>>>0:00 1/3 2.51 1803 5.Qxa3 Qxg5 6.Qa7+ Qg7 7.Qxc5
>>>>>>>0:00 1/4 2.32 4534 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.e7 Re8
>>>>>>> 8.Rac1 Nd3
>>>>>>>0:00 1/5 2.52 12963 5.Qxa3 Qxg5 6.Qa7+ Kh6 7.Qxc5 Rg8
>>>>>>> 8.g3
>>>>>>>0:00 1/6 2.52 39803 5.Qxa3 Qxg5 6.Qa7+ Kh6 7.Qxc5 Rg8
>>>>>>> 8.g3
>>>>>>>0:01 1/7 2.66 113304 5.Qxa3 Qxg5 6.Qa7+ Kh6 7.Qxc5 Nd3
>>>>>>> 8.Qxb5 Nxe1 9.Rxe1
>>>>>>>0:04 1/8 2.81 409975 5.Qxa3 Qxg5 6.Qa7+ Kh6 7.e7 Qf6
>>>>>>> 8.Rad1 Qc6 9.Qd7 Qxd7 10.Rxd7
>>>>>>>0:14 1/9 3.18 1257931 5.Qxa3 Nxa3 6.Bxd8 Nac2 7.Bf6 Re8
>>>>>>> 8.a3 Nxe1 9.Rxe1 Nd5 10.Bb2 Rc8
>>>>>>>0:40 1/10 3.50 3408997 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.Re5 c4
>>>>>>> 8.Rxf5 Kg6 9.e7 Re8 10.Re5 c3 11.Kf1
>>>>>>>
>>>>>>>1:50 1/11 3.62 9678741 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.Re5 c4
>>>>>>> 8.Rxf5 Kg6 9.Rc5 Re8 10.f4 Nd3
>>>>>>> 11.f5+ Kf6
>>>>>>>4:01 1/12 3.47 22030168 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.Re5 c4
>>>>>>> 8.Rxf5 Kg6 9.g4 h4 10.Kf1 Nd3 11.Rf7
>>>>>>> c3
>>>>>>>11:23 1/13 3.33 63675821 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.Re5 c4
>>>>>>> 8.Rxf5 Kg6 9.g4 hxg4 10.hxg4 Rd4
>>>>>>> 11.Kf1 Rxg4 12.Rf7 c3 13.Ke2
>>>>>>>30:38 2/14 3.27 173765145 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.Re5 c4
>>>>>>> 8.Rxf5 Kg6 9.Re5 Re8 10.Kf1 Nd3
>>>>>>> 11.Re4 Rc8 12.e7 Kf7 13.Rd1
>>>>>>>1:19:29 3/15 3.35 457992923 5.Qxa3 Nxa3 6.Bxd8 Rxd8 7.e7 Re8
>>>>>>> 8.Rad1 Nc6 9.Rd5 Nc2 10.Re6 N2d4
>>>>>>> 11.Rxc6 Nxc6 12.Rxf5 c4 13.Rxh5+
>>>>>>> Kg7 14.Rxb5 Rxe7 15.Kf1
>>>>>>>Dan
>>>>>>
>>>>>>are you sure you analysed the right position? following up from the game, this
>>>>>>looks just fine for black after e.g. 8...Kg7 i don't see anything at all for
>>>>>>white. definitely nothing close to +3...
>>>>>>
>>>>>>cheers
>>>>>> martin
>>>>>
>>>>>I am sure he analyzed the right position.
>>>>>He simply use a personality of chessmaster that gives random number or something
>>>>>close to it as an evaluation only because it is sometimes good at test
>>>>>positions.
>>>>>
>>>>>Uri
>>>>
>>>>Here is Shredder 8 analysis BEFORE ...Ra3. (Dual Opteron 248, 2GB, 512MB hash,
>>>>Chess Assistant 7.1).
>>>>
>>>>[+1.48] d=25 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.a3 Nxa3 10.e7 Qf7 11.Qxc5 Nac2 12.Qb6 Nxe1 13.Rxe1 Kg7 14.Qxb5
>>>> Re8 15.Qxb4 Kh7 16.Qb5 Rb3 17.Qc6 Qg6 18.Qd5 Rb4 (19:32.51)
>>>>
>>>>[+1.49] d=24 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Rd4
>>>> 9.Rxd4 cxd4 10.Qd1 Nc3 11.Qxd4 Ne4 12.Qd7+ Kg6 13.e7 Qc8 14.Qd4
>>>> Qe8 15.f3 Nxg5 16.hxg5 Kh7 17.Re6 Qxe7 18.Rxe7+ Kg8 (12:53.30)
>>>>
>>>>[+0.75] d=24 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.a3 Nxa3 10.e7 Qc8 11.Qa1 Qc6 12.Qxh8+ Kxh8 13.e8Q+ Qxe8
>>>> 14.Rxe8+ Kg7 15.Re7+ Kg6 16.Re6+ Kg7 17.Rde1 Rd7 18.Re7+ Rxe7
>>>> (5:11.23)
>>>>
>>>>[+0.25] d=24 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.a3 Nxa3 10.e7 Qc8 11.Qa1 f4 12.Qf6 Re8 13.Bxf4 Rxd1 14.Rxd1 Qg4
>>>> 15.Rd8 Qg8 16.Bg5 Rxd8 17.d8Q Qxg5 (3:38.24)
>>>>
>>>>[+0.00] d=23 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.Qf4 Nd5 10.Qc1 Nb4 11.Qf4 Nd5 (2:26.25)
>>>>
>>>>[+0.00] d=22 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.Qf4 Nd5 10.Qc1 Nb4 11.Qf4 Nd5 (1:31.41)
>>>>
>>>>[+0.00] d=21 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.Qf4 Nd5 10.Qc1 Nb4 11.Qf4 Nd5 (0:47.06)
>>>>
>>>>[+0.00] d=20 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.Qf4 Nd5 10.Qc1 Nb4 11.Qf4 Nd5 (0:34.56)
>>>>
>>>>[-0.01] d=19 4...Ra3 5.Qf4 Qf8 6.Rad1 Rd3 7.h4 Nd5 8.Qc1 Nb4
>>>> 9.Qf4 Nd5 10.Qc1 Nb4 11.Qf4 Nd5 (0:31.57)
>>>>
>>>>[+0.46] d=19 4...Ra3 5.Qf4 Qf8 6.Bf6 Qxf6 7.Qxf5+ Qxf5 8.Rec1
>>>> Nxa2 9.Rd1 Qxe6 10.Rxa2 Rxa2 11.Rd7+ (0:08.45)
>>>>
>>>>[+0.96] d=19 4...Ra3 5.Qf4 Qf8 6.Bf6 Qxf6 7.Qxf5+ Qxf5 8.Rec1
>>>> (0:07.46)
>>>>
>>>>[+1.21] d=18 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Rxd1 15.Rxd1 Nxa2 16.g4 Nc3 17.Rd8 (0:03.11)
>>>>
>>>>[+1.21] d=17 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Rxd1 15.Rxd1 Nxa2 16.g4 Nc3 17.Rd8 (0:01.40)
>>>>
>>>>[+1.23] d=16 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Rxd1 15.Rxd1 Nxa2 16.g4 Nc3 (0:00.55)
>>>>
>>>>[+1.33] d=15 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Rxd1 15.g4 Rxe1+ 16.Kg2 (0:00.36)
>>>>
>>>>[+1.33] d=15 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Nxa2 15.Rxd3 Ng7 16.e8Q (0:00.32)
>>>>
>>>>[+1.08] d=14 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qd7 Qe8 13.Qxe8 Nxe8
>>>> 14.f4 Rxd1 15.Rxd1 Nxa2 (0:00.24)
>>>>
>>>>[+1.23] d=14 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Qd6 10.Qf5+ Qg6 11.Qxb5 Nd6 12.Qxb4 Qxg5 13.g4 Rxd1
>>>> 14.Rxd1 hxg4 15.Qe4+ Nxe4 (0:00.23)
>>>>
>>>>[+1.48] d=13 4...Ra3 5.Qf4 Qe8 6.Rad1 Rd3 7.Qxf5+ Qg6 8.Qxc5
>>>> Rg8 9.e7 Rxd1 10.Rxd1 Nxa2 11.Rd8 Nc3 12.h4 Qb1+ 13.Kh2 Qe1
>>>> 14.Qxb5 Nxb5 (0:00.20)
>>>>
>>>>[+1.82] d=13 4...Ra3 5.Qf4 Qe8 6.Rad1 Kg6 7.e7 Qc6 8.Qxf5+ Kxf5
>>>> 9.Rd5+ Nxd5 10.e8Q Rxe8 (0:00.19)
>>>
>>>
>>>as pointed in an other message, the start position of your analyse is not good,
>>>because white have better move before :
>>>Bxf5 gxf5! Qg3+ Kh7 Ng5+??? <- here's the blunder
>>>Bg5! is better and may be winning
>>>
>>>[d]3q3r/4b2k/4P3/rpp2pBp/1nn5/5NQP/P4PP1/R3R1K1 b - - 0 3
>>>here white still winning, may be you can confirm this with your Dual Opteron 248
>>>?
>>
>>I was aware of the strength of Bg5 as you can see in my first message to this
>>thread. However, Ng5 does not deserve three question marks as it still suffices
>>to keep the upper hand in the game. Since you asked, here is the analysis of
>>Shredder 8 (again Dual Opteron 248, 2GB, 512MB hash, Chess Assistant 7.1) after
>>1. Bxf5! (The best move!) gxf5? 2. Qg3+ Kh7 3. Bg5!
>>
>> [+3.08] d=20 3...Rg8 4.Rad1 Nd6 5.Bxe7 Qxe7 6.Qxd6 Qxd6 7.Rxd6 Re8 8.Re5 Ra6
>> 9.Rd7+ Kh6 10.Rxc5 Raxe6 11.a3 Nc6 12.Rc7 Ne5 13.Nd4 Nd3
>>14.Nxe6
>> Rxe6 (2:27.47)
>>
>> [+3.50] d=20 3...Rg8 4.Rad1 Nd6 5.Bxe7 Qxe7 6.Qxd6 Qxd6 7.Rxd6 Re8 8.e7 Ra7
>> 9.Ng5+ Kg7 10.Rg6+ Kxg6 11.Re6+ Kxg5 12.Rg6+ Kxg6 13.g4 Rxa2
>> 14.gxf5+ Kxf5 15.Kg2 (2:12.51)
>>
>> [+3.85] d=20 3...Rg8 4.Rad1 Nd6 5.Bxe7 Qxe7 6.Qxd6 Qxd6 7.Rxd6 Re8 8.e7 Ra7
>> 9.Ng5+ Kg7 10.Rg6+ Kxg6 11.Re6+ Kxg5 12.Rg6+ Kxg6 13.a4 bxa4
>> 14.f4 Rexe7 (2:10.09)
>>
>> [+3.86] d=20 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf3 Kg7 8.Nxh8 Nc2
>> 9.Nf7 Nxe1 10.Rxe1 Qf6 11.Qxh5 Ra8 12.Qf3 Re8 13.Qg3+ Kf8
>>14.Ng5
>> Qe7 15.Qf4 Nd6 16.Qe5 Qxg5 (2:03.57)
>>
>> [+3.00] d=20 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf3 Kg7 8.Nxh8 Kxh8
>> 9.Qxh5+ Kg7 10.Qxf5 Ra3 11.Red1 Ra5 12.Rd7 Kg8 13.Rxe7 Kh8
>>14.Qxc5
>> Kg8 (1:31.26)
>>
>> [+2.50] d=20 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf3 Kg7 8.Nxh8 Kxh8
>> 9.Qxh5+ Kg7 10.Qxf5 Ra3 11.Red1 Ra5 12.Rd7 Kg8 13.Rxe7 Kh8
>>14.Qxc5
>> Kg8 (1:29.23)
>>
>> [+2.25] d=19 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf4 Qf6 8.Nxh8 Re7
>> 9.Nf7 Nc2 10.Qf3 Nxe1 11.Rxe1 Kg7 12.Qg3+ Qg6 13.Ng5 Kg8
>>14.Qb8+
>> Qe8 15.Qf4 (1:14.06)
>>
>> [+2.43] d=19 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf4 Qf6 8.Nxh8 Nd3
>> 9.Qb8 Re7 10.Qg8+ Kxg8 11.Nf7 Nxe1 12.Rxe1 Rxe6 13.Nh6+ Qxh6
>> 14.Rxe6 Qxe6 15.Kh2 (1:08.28)
>>
>> [+2.78] d=19 3...Ra7 4.Bxe7 Qxe7 5.Ng5+ Kg7 6.Nf7+ Kh7 7.Qf4 Qf6 8.Nxh8 Nd3
>> 9.Qb8 Re7 10.Qg8+ Kxg8 11.Nf7 (1:07.13)
>>
>> [+2.79] d=19 3...Rg8 4.Rad1 Nd6 5.Bxe7 Qxe7 6.Qxd6 Qxd6 7.Rxd6 Re8 8.e7 Ra7
>> 9.Ng5+ Kg7 10.Rg6+ Kxg6 11.Re6+ Kxg5 12.Rg6+ Kxg6 13.a4 bxa4
>> 14.f4 Rexe7 (1:03.25)
>>
>> [+2.79] d=19 3...Rg8 4.Rad1 Qe8 5.Rd7 Rg7 6.Qc7 Na6 7.Qf4 Bd6 8.Qxf5+ Qg6
>> 9.Qxg6+ Kxg6 10.Nh4+ Kh7 11.Bf6 Bf8 12.Bxg7 Bxg7 13.e7 Rxa2
>>(0:34.15)
>>
>> [+2.29] d=19 3...Rg8 4.Rad1 Qe8 5.Rd7 Rg7 6.Qc7 Na6 7.Qf4 Bd6 8.Qxf5+ Qg6
>> 9.Qxg6+ Kxg6 10.Nh4+ Kh7 11.Bf6 Bf8 12.Bxg7 Bxg7 13.e7 Rxa2
>>(0:31.21)
>
>Thanks !
>In fact, surprisingly deep position !
>Bg5 : +3.08 and Ng5 : +1.48
>
>Now the ultimate question :
>How many time to find "Bxf5 !" ?
>[d]3q3r/4b1k1/4P1p1/rpp2p1p/1nn2Q2/5N1P/P4PP1/RBB1R1K1 w
The answer to your question is below. Once more it's Shredder 8 running under
Chess Assistant 7.1 (Dual Opteron 248, 2GB, 512MB hash). According to this
analysis Fischer's Bxf5 was not a speculative sacrifice, but simply the
strongest move. Fischer obviously knew what he was doing!
[+1.34] d=20 1.Bxf5 Qf8 2.Nh4 Bxh4 3.Qxh4 Qf6 4.Qg3 Ra7 5.Bb1 Nc6 6.Bd3 h4
7.Qg5 Rh5 8.Qxf6+ Kxf6 9.Bxc4 bxc4 10.Bb2+ Nd4 11.a4 Re5
12.Rxe5 Kxe5 13.Bxd4+ (1:44.02)
[-0.38] d=20 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Bg5 Rg8 4.Rad1 Nd3 5.Qh4 Rxg5 6.Nxg5+
Kg6 7.g4 hxg4 8.Qh7+ Kf6 9.hxg4 Rxa2 10.Qxf5+ Kg7 11.Rxd3
Bxg5 12.Rxd8 Bxd8 13.Qxc5 Re2 14.Rxe2 (0:35.05)
[-0.73] d=20 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Bg5 Rg8 4.Rad1 Nd3 5.Qh4 Rxg5 6.Nxg5+
Kg6 7.g4 hxg4 8.Qh7+ Kf6 (0:33.07)
[-0.74] d=20 1.Nd2 Qd4 2.Qxd4+ cxd4 3.a3 Ra6 4.g3 (0:28.35)
[-0.25] d=20 1.Nd2 Qd4 2.Nxc4 Qxf4 3.Bxf4 bxc4 4.g4 Bf6 5.gxh5 Bxa1
6.hxg6 Nxa2 7.Bxf5 Bc3 8.Re3 Bb2 9.Bh6+ Rxh6 10.f4 (0:23.38)
[+0.00] d=19 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 gxf5 4.Qg3+ Kh7 5.Qf4 Kg7 6.Qg3+
Kh7 7.Qf4 Kg7 8.Qg3+ (0:11.57)
[+0.00] d=18 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 gxf5 4.Qg3+ Kh7 5.Qf4 Kg7 6.Qg3+
Kh7 7.Qf4 Kg7 8.Qg3+ (0:06.26)
[+0.00] d=17 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 gxf5 4.Qg3+ Kh7 5.Qf4 Kg7 6.Qg3+
Kh7 7.Qf4 Kg7 8.Qg3+ (0:03.27)
[+0.00] d=16 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 gxf5 4.Qg3+ Kh7 5.Qf4 Kg7 6.Qg3+
Kh7 7.Qf4 Kg7 8.Qg3+ (0:02.38)
[-0.02] d=16 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 Bxa1 4.Bxg6 Qf6 5.Bf5 Re8 6.Qc7+
Re7 7.Qg3+ Kf8 8.Bg6 Rea7 9.Bh6+ Kg8 10.Bxh5+ Rg7 11.Bxg7
Qxf2+ (0:02.25)
[-0.37] d=16 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 Bxa1 4.Bxg6 Qf6 5.Bf5 Re8 6.Qc7+
Re7 7.Qg3+ Kf8 8.Bg6 Rea7 9.Bh6+ Qg7 10.Bxg7+ Ke7 11.Rxa1
(0:02.15)
[-0.38] d=16 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Ra3 5.Qf4 Qf8
6.Qc7+ Qg7 7.e7 Re8 8.Qd7 Qf7 9.Re6 Raa8 10.Rae1 Rf8
11.f8Q Rxf8 12.Qxb5 (0:02.08)
[-0.38] d=16 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Ra3 5.Qf4 Qf8
6.Rad1 Rd3 7.a4 Nb2 8.Rb1 Nxa4 9.e7 Qc8 10.Qxf5+ Qxf5
11.e8Q (0:01.54)
[-0.13] d=15 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Ra3 5.Qf4 Qf8
6.Rad1 Rd3 7.a4 bxa4 8.Qxc4 Rxd1 9.Rxd1 Qf6 10.Bxf6
(0:01.10)
[-0.13] d=15 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Ra3 5.Qxa3 Nxa3
6.Bxd8 Rxd8 7.g4 hxg4 8.Rac1 Nxa2 9.Ra1 gxh3 10.f4 Nc4
(0:01.01)
[+0.12] d=14 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Ra3 5.Qxa3 Nxa3
6.Bxd8 Rxd8 7.g4 hxg4 8.Rac1 (0:00.48)
[+0.12] d=14 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Qe8 5.Rad1 Nxa2
6.Rd7+ Qxd7 7.exd7 Ra3 8.d8Q Kg7 (0:00.35)
[-0.23] d=14 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Qe8 5.Rad1 Nxa2
6.Rd7+ Qxd7 7.exd7 Ra3 8.d8Q Rxd8 (0:00.33)
[-0.24] d=14 1.Nd2 Bf6 2.Nxc4 bxc4 3.Bxf5 Bxa1 4.Bxg6 Qf6 5.Bf5 Re8
6.Qc7+ Re7 7.Qg3+ Kf8 8.Qb8+ Re8 9.Qd6+ Qe7 10.Bh6+ Bg7
11.Bxg7+ Kxg7 12.Qe5+ (0:00.29)
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.