From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
nice exchange sac from Rybka 4
Moderators: hgm, Rebel, chrisw
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Re: nice exchange sac from Rybka 4
Great! A move a strong human would play almost without calculation. The bishop and connect passers are going to be strong!jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
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- Joined: Tue Jan 09, 2007 12:31 am
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- Full name: Louis Zulli
Re: nice exchange sac from Rybka 4
Stockfish-1.7.1 (8 threads) finds this in about 10 seconds:jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
Code: Select all
Searching: 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
2 -0.40 00:01 522 bxa4 Rd5
3 -0.40 00:01 852 bxa4 Bd1 Rf4
4 -0.44 00:01 1170 bxa4 Bd1 Rf4 Bf3
5 -0.24 00:01 2173 bxa4 Bd1 Rf4 Rd7 Rxe4 Rxf7
6 -0.24 00:01 4068 bxa4 Bd1 Rf4 Rd7 Rxe4 Rxf7
7 < -0.36 00:01 5035 bxa4 Bd1 Rf4 Rd5 Rxe4 Bf3
7 < -0.48 00:01 8604 bxa4 Rd5 Re6 Be2 Bg3 Rd4
7 -0.53 00:01 17683 bxa4 Rd5 Re6 Bd1 Bf4 Rd4 g4 hxg4 hxg4 Bxa4
8 -0.32 00:01 28041 bxa4 Rd5 Re6 Bd1 g4 hxg4 hxg4 Ra5 Kg5 Bxa4
9 -0.36 00:01 34706 bxa4 Rd5 Re6 Bd1 g4 hxg4 hxg4 Ra5 Kg3 Rxa4 Rb6
10 -0.36 00:01 46143 bxa4 Rd5 Re6 Bd1 g4 hxg4 hxg4 Ra5 Kg3 Rxa4 Rb6
11 < -0.44 00:01 79862 bxa4 Rd5 Bf4 c4 g4 Bd1 Re6 c5 Rxe4 c6
11 < -0.53 00:01 109941 bxa4 Rd5 Re6 Ra5 g4 Be2 gxh3 gxh3 Kxh3 Bxh5
11 > -0.28 00:01 156610 bxa4 Rd5 Re6 Ra5 g4 Be2 Kg3 hxg4 hxg4 Rxa4 Rb6
11 -0.28 00:01 184819 bxa4 Rd5 Re6 Bd1 Re7 Ra5 Kg3 Bxh5 Kxg2 Bg4 Bf4
Rxa4
12 < -0.36 00:01 208024 bxa4 Rd5 Re6 Bd1 Re7 Ra5 Kg3 Bxh5 Kxg2 Bg4 Bf4
Rxa4
12 -0.40 00:01 283523 bxa4 Ka3 g4 hxg4 hxg4 Bd1 Rf4 Bc2 Kg3 Kxa4 Rf2
Rxf2 Kxf2 Bd1 Ke3 Bxg4 Kxe4
13 -0.40 00:01 460144 bxa4 Rd5 Re6 Ka3 g4 Bd1 Bf4 Kxa4 Rxe4+ Ka5 Re5
Rxe5 Bxe5 hxg4 hxg4 Kxa6
14 > -0.32 00:01 662040 bxa4 Bd1 Bf4 Rd3 Re6 Rd4 Rh6 Bxa4 Kg3
14 -0.36 00:01 771815 bxa4 Rd5 Re6 Bd1 Bf4 Rd4 Rh6 Rxa4 Kg3 Bf3 g4 hxg4
hxg4 Bd1 Kxg2 Bxg4
15 > -0.28 00:01 1316k bxa4 Bd1 Bf4 Rd3 Re6 Rd4 Rh6 Rxa4 Kg3 Bf3 g4 hxg4
hxg4 Bd1 Rh4
15 < -0.44 00:01 1747k bxa4 Rd5 Re6 Ra5 g4 hxg4 hxg4 Be2 Kg3 Bxa6 Kxg2
Bc8
15 -0.40 00:01 2075k bxa4 Rd5 Bb8 e5 Rf4 Ra5 g4 hxg4 hxg4 Bb7 Kg3 Ka3
Bc7 Rxa6 Bxe5 Rxa4 Rxa4+ Kxa4
16 < -0.48 00:01 2351k bxa4 Rd5 Bc7 e5 Rf5 Rd4+ Rf4 Rxf4+ gxf4 Ka3
16 -0.48 00:01 2642k bxa4 Rd5 Bb8 e5 Rf4 Ra5 g4 hxg4 hxg4 Bb7 Kg3 Ka3
Bc7 Rxa6 Bxe5 Rxa4 Rxa4+ Kxa4 f5 Bd5 Kf4
17 -0.44 00:01 3051k bxa4 Rd5 Bb8 e5 Rf4 Ra5 g4 hxg4 hxg4 Bb7 Bc7 Rxa6
Bxe5 Ka3 Kg5 Bd5 Rf2 Rxa4 Rd2 Bc6
18 < -0.53 00:01 3511k bxa4 Rd5 Bc7 e5 Rf4 Rc5 Bb8 Ra5 g4 hxg4 hxg4 Bb7
Bc7 Rxa6 Bxe5 Ka3 Kg5 Rxa4 Rxa4+ Kxa4
18 > -0.36 00:02 7049k bxa4 Ka3 Rxf3 gxf3 Kxh3 Kxa4 Kg3 Rd5 Bf4 Rd3 h4
Kb3 h3
18 > -0.28 00:02 7753k bxa4 Bd1 Rd6 Rxd6 Bxd6 Bxa4 Kg3 Bd1 Kxg2 Bxh5
Kxh3 Bxf7 Kg3
18 -0.20 00:02 10972k bxa4 Rd5 Re6 Ra5 f6 Kb1 Rd6 Kc2 Bf4 Rd5 Be5 Rxd6
Bxd6 Kd3 a3 bxa3 Bxa3 c4 g4 hxg4 hxg4
19 -0.32 00:03 12991k bxa4 Rd5 Re6 Ra5 f6 Kb1 g4 hxg4 hxg4 Be2 a3 Rxa6
Rxa6 Bxa6 axb2 Kxb2 Kg3 Bc8 Kf4 Bf5 Ke3 Kc2
20 -0.28 00:03 17644k bxa4 Rd5 Re6 Ra5 f6 Kb1 g4 hxg4 hxg4 Be2 a3 Rxa6
Rxa6 Bxa6 axb2 Kxb2 Kg3 Bc8 Kf4 Bf5 Ke3 Bxg4 Kxe4
Kb3 f5 Bf3+ Ke3 Kc2
21 > -0.16 00:04 22920k bxa4 Ka3 Bf4 Rd5 g4 Bd1 Bc1 hxg4 hxg4 Bxa4 Rf2
21 -0.16 00:05 30237k bxa4 Rd5 Re6 Ka3 g4 hxg4 hxg4 Bd1 Bf6 Rd7 Rxe4
Rxf7 Be7+ Ka2 Bc5 Rh7+ Kg3 Rg7 Kh4 Rc7 Bg1 Rd7
Bc5 Rd5 Bb6 Rd7
22 -0.08 00:07 45645k bxa4 Rd5 Re6 Ka3 g4 hxg4 hxg4 Bd1 Bf4 Rd4 Rg6 e5
Bxe5 Rxa4 Kg3 Bc2 Rb6 Bf5 Bf4 Ka2 Rf6 Be4 Be3 Bd5
23 < -0.24 00:08 55278k bxa4 Rd5 Re6 Ka3 g4 hxg4 hxg4 Bd1 Bf4 Rd4 Rg6 Rd3
Re6 Bxa4 Rxe4 Bc6 Re2 b4 Kg5 c4 Kf5 Rd4
23 > +0.08 00:09 63819k Rxf3 gxf3 Kxh3 Ka3 bxa4 Rd7 Kg3 Rxf7 h4 Rf5 Bf4
e5 h3 e6 h2
23 > +0.24 00:10 69047k Rxf3 gxf3 Kxh3 axb5 axb5 Rd1 g4 fxg4 hxg4 Rh1+
Kg2 Rh5 f6 Kb3 g3 Kc2 Kf3
23 > +0.57 00:11 77595k Rxf3 gxf3 Kxh3 a5 Kg3 Rd3 h4 Kb3 Bf4 Kc2 h3
23 > +1.21 00:12 93283k Rxf3 gxf3 Kxh3 a5 Kg3 Rd3 h4 Kb3 Bf4 Rd7 Kxf3 e5
h3 Rxf7 h2
23 +1.49 00:21 171745k Rxf3 gxf3 Kxh3 b4 h4 a5 Bxc3 Rd6 Kg2 Rxa6 h3 Kb3
Bg7 Rd6 h2 Rd2+ Kg3 Rxh2 Kxh2 Kc2 Bd4 Kd3 Ba7 e5
Kg3 Ke4 Kg2 a6 Kg3 e6 fxe6
Nodes: 242785142
Nodes/second: 8358355
Best move: Rxf3
Ponder move: gxf3
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Re: nice exchange sac from Rybka 4
Spark-0.4 (8 threads) first sees in about 6 seconds:jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
Code: Select all
info depth 23 seldepth 33 score cp 10 time 6304 nodes 95679466 nps 15177580 hashfull 147 pv f6f3
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- Joined: Tue Jan 09, 2007 12:31 am
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Re: nice exchange sac from Rybka 4
Crafty takes about a minute and a half:jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
Code: Select all
Crafty v23.2 (8 cpus)
White(1): setboard 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
Black(1): st 180
search time set to 180.00.
Black(1): display stats
display statistics at end of each search.
Black(1): display
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
7 | . | | . | | . |<P>| . | |
+---+---+---+---+---+---+---+---+
6 |<P>| . | | . | |<R>| | . |
+---+---+---+---+---+---+---+---+
5 | . |<P>| . | |<B>| |<P>|<P>|
+---+---+---+---+---+---+---+---+
4 |-P-| . | | . |-P-| . | |<K>|
+---+---+---+---+---+---+---+---+
3 | . | |-P-| | . |-B-| . |-P-|
+---+---+---+---+---+---+---+---+
2 |-K-|-P-| |-R-| | . |-P-| . |
+---+---+---+---+---+---+---+---+
1 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
Black(1): go
time limit 3:00 (+0.00) (3:00)
depth time score variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
11 0.05 0.42 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Kg5 5. Bxa4 Kf4 6. Bd7 Rd6 7.
Rf2+ Kxe4 8. Rxf7
11-> 0.05 0.42 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Kg5 5. Bxa4 Kf4 6. Bd7 Rd6 7.
Rf2+ Kxe4 8. Rxf7
12 0.08 0.47 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Kg5 5. Kxa4 Rd6 6. Rxd6 Bxd6
7. c4 <HT>
12-> 0.09 0.47 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Kg5 5. Kxa4 Rd6 6. Rxd6 Bxd6
7. c4 <HT>
13 0.13 0.40 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Bc2 Kg3 6. Kxa4 Rf2 7.
Rxf2 Kxf2
13-> 0.14 0.40 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Bc2 Kg3 6. Kxa4 Rf2 7.
Rxf2 Kxf2
14 0.22 0.36 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Bxa4 Rf2 7.
Rxf2 Kxf2 8. Bd7
14-> 0.24 0.36 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Bxa4 Rf2 7.
Rxf2 Kxf2 8. Bd7
15 0.39 0.31 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Kxa4 f5 7.
Bc2 Rf2 8. Rxf2 Kxf2 9. exf5 Kxg2
15-> 0.44 0.31 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Kxa4 f5 7.
Bc2 Rf2 8. Rxf2 Kxf2 9. exf5 Kxg2
16 0.74 0.31 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Kxa4 f5 7.
Bc2 Rf2 8. Rxf2 Kxf2 9. exf5 Kxg2
16-> 0.87 0.31 1. ... bxa4 2. Ka3 g4 3. hxg4 hxg4
4. Bd1 Rf4 5. Re2 Kg3 6. Kxa4 f5 7.
Bc2 Rf2 8. Rxf2 Kxf2 9. exf5 Kxg2
17 6.53 0.39 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 Re4 5. Rd4 Rf4 6. Rxf4+ gxf4 7.
Bf3 Bxe5 8. Ka3 Kg3 9. Kxa4 f6 10.
Kb4
17-> 6.99 0.39 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 Re4 5. Rd4 Rf4 6. Rxf4+ gxf4 7.
Bf3 Bxe5 8. Ka3 Kg3 9. Kxa4 f6 10.
Kb4
18 7.73 0.41 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 g4 5. hxg4 hxg4 6. Bxa6 Rf2 7.
Rb5 Bc7 8. Rc5 Bb8 9. Rb5 <HT>
18-> 9.01 0.41 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 g4 5. hxg4 hxg4 6. Bxa6 Rf2 7.
Rb5 Bc7 8. Rc5 Bb8 9. Rb5 <HT> (s=2)
19 11.16 0.35 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 g4 5. hxg4 hxg4 6. Bxa6 Rf2 7.
Rb5 Bc7 8. Rc5 Bb8 9. Bb7 Re2 10. Ra5
Bxe5 11. Rxa4 Kg3 <HT>
19-> 12.29 0.35 1. ... bxa4 2. Rd5 Bb8 3. e5 Rf4 4.
Be2 g4 5. hxg4 hxg4 6. Bxa6 Rf2 7.
Rb5 Bc7 8. Rc5 Bb8 9. Bb7 Re2 10. Ra5
Bxe5 11. Rxa4 Kg3 <HT>
20 24.94 0.30 1. ... bxa4 2. Rd5 Re6 3. Ra5 f6 4.
Rxa4 Rb6 5. Ra5 Kg3 6. Bxh5 Kxg2 7.
Bg4 Kf2 8. Rd5 Ke3 9. Bf5 Rb7 10. Ka3
Kf4 11. Rd8
20-> 27.66 0.30 1. ... bxa4 2. Rd5 Re6 3. Ra5 f6 4.
Rxa4 Rb6 5. Ra5 Kg3 6. Bxh5 Kxg2 7.
Bg4 Kf2 8. Rd5 Ke3 9. Bf5 Rb7 10. Ka3
Kf4 11. Rd8
21 1:05 0.21 1. ... bxa4 2. Rd5 Re6 3. Bd1 f6 4.
Bxa4 Bf4 5. Bd1 Rxe4 6. Bf3 Re1 7.
Ra5 Re6 8. Kb3 Rb6+ 9. Kc2 Be5 10.
Rd5 Kg3 11. b4 g4 12. hxg4 hxg4
21 1:31 -1 1. ... Rxf3!
21 1:47 -0.98 1. ... Rxf3 2. gxf3 Kxh3 3. axb5 axb5
4. Rd5 Bf4 5. Rd7 Kg3 6. e5 h4 7. Rxf7
Bxe5 8. Re7 <HT>
21-> 1:47 -0.98 1. ... Rxf3 2. gxf3 Kxh3 3. axb5 axb5
4. Rd5 Bf4 5. Rd7 Kg3 6. e5 h4 7. Rxf7
Bxe5 8. Re7 <HT> (s=2)
22 2:00 -0.69 1. ... Rxf3 2. gxf3 Kxh3 3. axb5 axb5
4. Kb3 h4 5. c4 bxc4+ 6. Kxc4 Bf4 7.
Rd1 Kg2 8. b4 h3 9. b5 h2 10. b6 h1=Q
11. Rxh1 Kxh1 12. Kd5 <HT>
22-> 2:10 -0.69 1. ... Rxf3 2. gxf3 Kxh3 3. axb5 axb5
4. Kb3 h4 5. c4 bxc4+ 6. Kxc4 Bf4 7.
Rd1 Kg2 8. b4 h3 9. b5 h2 10. b6 h1=Q
11. Rxh1 Kxh1 12. Kd5 <HT>
23 2:58 -1.00 1. ... Rxf3 2. gxf3 Kxh3 3. axb5 axb5
4. Kb3 h4 5. c4 bxc4+ 6. Kxc4 Bf4 7.
Rd7 Kg2 8. Kd5 h3 9. Rxf7 h2 10. Rh7
Kxf3 11. e5 Kg2 12. e6 h1=Q 13. Rxh1
Kxh1
time=3:00 mat=1 n=3014819937 fh=93% nps=16.7M
extensions=101.5M qchecks=101.0M reduced=383.5M pruned=887.2M
predicted=0 evals=865.3M 50move=0 EGTBprobes=48K hits=48K
SMP-> splits=423400 aborts=39124 data=54/1024 elap=3:00
terminating SMP processes.
Black(1): Rxf3
time used: 3:00
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- Posts: 2016
- Joined: Sun Feb 17, 2008 4:19 pm
Re: nice exchange sac from Rybka 4
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
Deep Rybka 4 x64
17.03 0:03 -0.10++ 1...Rxf3 2.gxf3 Kxh3 3.axb5 axb5 4.Rd7 f6 (2.093.932) 697
17.01 0:03 -0.25++ 1...Rxf3 2.gxf3 Kxh3 3.axb5 axb5 4.Rd7 f6 (2.622.583) 729
17.01 0:05 -0.65++ 1...Rxf3 2.gxf3 Kxh3 (4.882.944) 822
17.01 0:14 -1.45++ 1...Rxf3 2.gxf3 Kxh3 (12.237.543) 837
17.01 0:20 -1.13 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qxf3 12.Qe8 Qb3+ 13.Ka1 Qa4+ 14.Kb1 Qxb4+ (17.593.215) 862
18.01 0:21 -1.25++ 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qg1+ 12.Ka2 Qf2+ 13.Ka1 Qf1+ 14.Ka2 Qc4+ (18.563.770) 867
18.01 0:22 -1.40++ 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qg1+ 12.Ka2 Qf2+ 13.Ka1 Qf1+ 14.Ka2 Qc4+ (19.707.648) 877
18.01 0:30 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (26.333.955) 876
19.01 0:31 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (27.286.564) 877
20.01 0:32 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (28.425.452) 872
21.01 0:35 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (30.858.876) 873
22.01 0:55 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (46.335.682) 836
23.01 0:57 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (48.156.502) 836
24.01 1:18 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (64.135.615) 821
25.01 1:36 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (79.186.165) 822
26.01 2:35 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (125.340.340) 807
27.01 3:15 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (157.767.612) 808
28.01 4:33 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (219.840.867) 804
28.01 7:27 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (359.451.852) 802
best move: Rf6xf3 time: 7:28.281 min n/s: 802.654 nodes: 359.451.852
Deep Rybka 4 x64
17.03 0:03 -0.10++ 1...Rxf3 2.gxf3 Kxh3 3.axb5 axb5 4.Rd7 f6 (2.093.932) 697
17.01 0:03 -0.25++ 1...Rxf3 2.gxf3 Kxh3 3.axb5 axb5 4.Rd7 f6 (2.622.583) 729
17.01 0:05 -0.65++ 1...Rxf3 2.gxf3 Kxh3 (4.882.944) 822
17.01 0:14 -1.45++ 1...Rxf3 2.gxf3 Kxh3 (12.237.543) 837
17.01 0:20 -1.13 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qxf3 12.Qe8 Qb3+ 13.Ka1 Qa4+ 14.Kb1 Qxb4+ (17.593.215) 862
18.01 0:21 -1.25++ 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qg1+ 12.Ka2 Qf2+ 13.Ka1 Qf1+ 14.Ka2 Qc4+ (18.563.770) 867
18.01 0:22 -1.40++ 1...Rxf3 2.gxf3 Kxh3 3.Rd5 Bf4 4.b4 Kg3 5.c4 h4 6.cxb5 axb5 7.a5 h3 8.a6 h2 9.a7 h1Q 10.a8Q Qg2+ 11.Kb1 Qg1+ 12.Ka2 Qf2+ 13.Ka1 Qf1+ 14.Ka2 Qc4+ (19.707.648) 877
18.01 0:30 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (26.333.955) 876
19.01 0:31 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (27.286.564) 877
20.01 0:32 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (28.425.452) 872
21.01 0:35 -0.25 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qxf5 13.exf5 e4 14.f6 e3 (30.858.876) 873
22.01 0:55 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (46.335.682) 836
23.01 0:57 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (48.156.502) 836
24.01 1:18 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Kh3 (64.135.615) 821
25.01 1:36 -0.10 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (79.186.165) 822
26.01 2:35 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (125.340.340) 807
27.01 3:15 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (157.767.612) 808
28.01 4:33 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (219.840.867) 804
28.01 7:27 0.00 1...Rxf3 2.gxf3 Kxh3 3.Rd5 f6 4.axb5 axb5 5.Rxb5 h4 6.c4 Kg3 7.Rxe5 fxe5 8.c5 h3 9.c6 h2 10.c7 h1Q 11.c8Q Qxf3 12.Qf5 Qf4 13.b4 g4 14.b5 Qd2+ (359.451.852) 802
best move: Rf6xf3 time: 7:28.281 min n/s: 802.654 nodes: 359.451.852
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Re: nice exchange sac from Rybka 4
Rybka 4 seems to have kicked all the pretty right out of it:jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
Code: Select all
Analysis from Q:\rxf3.epd
6/29/2010 1:40:43 PM Level: 43200 Seconds
Analyzing engine: Deep Rybka 4 x64
1) Rxf3; id "Deep Saros
Searching move: Rf6xf3
Best move (Deep Rybka 4 x64): Rf6xf3
identical moves! Found in: 00:19
2 00:01 148 287 -0.03 b5xa4 Ka2a3 g5g4 h3xg4 h5xg4 Bf3d1
3 00:01 273 530 0.00 b5xa4 Ka2a3 g5g4 h3xg4 h5xg4 Bf3d1 Be5f4
4 00:01 457 860 -0.13 b5xa4 Ka2a3 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f4
5 00:01 1.032 1.740 -0.07 b5xa4 Ka2a3 g5g4 h3xg4 h5xg4 Bf3d1 Kh4g3 Ka3b4 Rf6f4
6 00:01 4.854 7.584 -0.20 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f4 a4xb5 a6xb5 Rd2d5 Rf4xe4 Rd5xb5 Kh4g3 Rb5b4 Re4xb4 c3xb4 Be5f4 b4b5
7 00:01 11.343 17.291 -0.19 g5g4 h3xg4 h5xg4 Bf3d1 b5xa4 Bd1xa4 Rf6f4 Ba4c6 g4g3 Rd2d5 f7f6 Bc6b7 Rf4f2 Bb7xa6
8 00:01 19.210 27.962 -0.18 g5g4 h3xg4 h5xg4 Bf3d1 b5xa4 Bd1xa4 Rf6f4 Ka2b3 Kh4g3 Ba4c6 Rf4f2 Rd2xf2 Kg3xf2 Bc6d7 Kf2g3
9 00:01 27.629 37.641 -0.14 g5g4 h3xg4 h5xg4 Bf3d1 b5xa4 Bd1xa4 Rf6f4 Ka2b3 Kh4g3 Ba4d7 Rf4xe4 Bd7c6 Re4e1 Rd2d3+ Kg3f4 Rd3d7
10 00:01 41.751 52.451 -0.11 g5g4 h3xg4 h5xg4 Bf3d1 b5xa4 Bd1xa4 Rf6f4 Rd2e2 Kh4g5 Ba4c2 g4g3 Bc2d3 a6a5 Ka2a3 Rf4f2 Ka3a4
11 00:01 95.356 95.451 -0.11 g5g4 h3xg4 h5xg4 Bf3d1 b5xa4 Bd1xa4 Rf6f4 Rd2e2 Kh4g5 Ba4c2 g4g3 Bc2d3 Rf4f6 Ka2a3 Rf6b6
12+ 00:02 402.635 191.093 +0.01 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Rd2d5 Be5f4 Rd5d7 f7f6 Bd1e2 Rf1f2
12 00:02 459.580 199.038 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Bf4g5 e4e5 Rf2xb2+ Kb4a5 Rb2b1 e5xf6 Bg5xf6 Rg7xg4+ Kg3h2 Bd1f3 Bf6xc3+ Ka5b6 Rb1b2
13 00:03 518.926 206.578 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Bf4g5 e4e5 Rf2xb2+ Kb4a5 Rb2b1 e5xf6 Bg5xf6 Rg7xg4+ Kg3h2 Bd1f3 Bf6xc3+ Ka5b6 Rb1b2
14 00:03 623.487 217.167 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Bf4g5 e4e5 Rf2xb2+ Kb4a5 Rb2b1 e5xf6 Bg5xf6 Rg7xg4+ Kg3h2 Bd1f3 Bf6xc3+ Ka5b6 Rb1b2
15 00:04 861.539 235.973 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Rf2xb2+ Kb4a3 Bf4c1 Rg7xg4+ Kg3h2 Rg4h4+ Kh2xg2 Bd1b3 Kg2g3 Rh4h1 Rb2b1+ Ka3a2 Rb1b2+ Ka2a3 Rb2b1+
16 00:05 1.113.524 248.665 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Rf2xb2+ Kb4a3 Bf4c1 Rg7xg4+ Kg3h2 Rg4h4+ Kh2xg2 Bd1b3 Kg2g3 Rh4h1 Rb2b1+ Ka3a2 Rb1b2+ Ka2a3 Rb2b1+
17 00:06 1.711.899 264.385 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Rf2xb2+ Kb4a3 Bf4c1 Rg7xg4+ Kg3h2 Rg4h4+ Kh2xg2 Bd1b3 Kg2g3 Rh4h1 Rb2b1+ Ka3a2 Rb1b2+ Ka2a3 Rb2b1+
18 00:11 2.819.808 261.577 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Rf2xb2+ Kb4a3 Bf4c1 Rg7xg4+ Kg3h2 Rg4h4+ Kh2xg2 Bd1b3 Kg2g3 Rh4h1 Rb2b1+ Ka3a2 Rb1b2+ Ka2a3 Rb2b1+
19 00:12 3.155.760 261.346 0.00 g5g4 h3xg4 h5xg4 Bf3d1 Rf6f1 a4xb5 a6xb5 Ka2b3 Be5f4 Rd2d7 f7f6 Kb3b4 Rf1f2 Rd7h7+ Kh4g3 Rh7g7 Rf2xb2+ Kb4a3 Bf4c1 Rg7xg4+ Kg3h2 Rg4h4+ Kh2xg2 Bd1b3 Kg2g3 Rh4h1 Rb2b1+ Ka3a2 Rb1b2+ Ka2a3 Rb2b1+
19+ 00:19 5.244.757 280.153 +0.12 Rf6xf3 g2xf3 Kh4xh3 a4xb5 a6xb5 Ka2b3 h5h4 c3c4 Kh3g3 c4xb5 h4h3 b5b6 h3h2 Rd2xh2 Kg3xh2 b6b7 Kh2g2
19+ 00:21 6.091.635 295.595 +0.27 Rf6xf3 g2xf3 Kh4xh3 a4xb5 a6xb5 Rd2d7 f7f6
19+ 00:33 9.881.068 296.666 +0.67 Rf6xf3 g2xf3 Kh4xh3 a4xb5 a6xb5
19 01:48 29.685.521 274.469 +0.59 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
20 02:13 35.087.748 263.401 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
21 02:18 36.462.919 263.363 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
22 03:07 50.816.332 271.180 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
23 03:33 56.107.055 262.830 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
24 04:08 64.919.535 261.366 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
25 05:25 80.040.879 246.104 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
26 08:04 120.081.668 247.954 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
27 13:13 195.960.073 247.053 0.00 Rf6xf3 g2xf3 Kh4xh3 Rd2d5 Be5f4 c3c4 b5xc4 Rd5a5 h5h4 Ra5xa6 Kh3g2 Ra6f6 h4h3 Rf6xf7 h3h2 Rf7h7 Bf4c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+ Ka3a2 Bd6c7 Ka2a3 Bc7d6+
6/29/2010 1:54:54 PM, Time for this analysis: 00:14:03, Rated time: 00:19
1 of 1 matching moves
6/29/2010 1:54:54 PM, Total time: 12:14:11 AM
Rated time: 00:19 = 19 Seconds
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- Posts: 868
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- Location: Nederland
Re: nice exchange sac from Rybka 4
Dirty 6jun almost immediatly finds Rf3,although its not too happy about it and needs 4.5 minutes before the score rises to a measily 0.35.jdart wrote:From this tourney:
http://talkchess.com/forum/viewtopic.ph ... 26&t=35202, in the game Deep Saros 0.9-Deep Rybka 4:
[D] 8/5p2/p4r2/1p2b1pp/P3P2k/2P2B1P/KP1R2P1/8 b - -
bm Rxf3
All without bitbases or egtb though.
Code: Select all
23 +0.35 701.6M 10:08.70 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd5 f6 Rd3 Kf2 Kc2 h4 Rd1 Bf4 Kd3 Kxf3 b4 Kg3
22 +0.35 343.2M 5:00.08 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd3 h4 Kc2 f6 Re3 Bf4 Re1 Kxf3 Kd3 Kg3 Rd1 Be5 Rc1 Bf4 Rf1
22 +0.35 314.1M 4:33.51 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd3 h4 Kc2 f6 Re3 Bf4 Re1 Kxf3 Kd3 Kg3 Rd1 Be5 Rc1 Bf4 Rf1
21 +0.07 133.3M 1:56.51 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd5 f6 Rd3 h4 Kb4 h3 f4+ Kxf4 Rxh3 Kxe4 Rh1 f5 Re1+ Kf4 Rf1+
21 +0.07 122.8M 1:46.61 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd5 f6 Rd3 h4 Kb4 h3 f4+ Kxf4 Rxh3 Kxe4 Rh1 f5 Re1+ Kf4 Rf1+
20 -0.15 71.0M 1:02.52 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd5 f6 Rd3 Kf4 Kb4 g4 fxg4 Kxe4 Rd1 hxg4 Re1+ Kf5 Kxb5
20 -0.15 59.8M 0:51.41 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Kg3 Rd5 f6 Rd3 Kf4 Kb4 g4 fxg4 Kxe4 Rd1 hxg4 Re1+ Kf5 Kxb5
19 0.00 32.4M 0:29.07 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd1 Kxe4 Re1+ Kf5 Kxb5
19 0.00 25.4M 0:22.29 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd1 Kxe4 Re1+ Kf5 Kxb5
18 -0.10 14.2M 0:12.71 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd8 Kxe4 Kxb5
18 -0.10 12.6M 0:11.12 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd8 Kxe4 Kxb5
17 -0.21 7.4M 0:06.75 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd7 Kxe4
17 -0.21 6.7M 0:05.94 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd7 Kxe4
16 -0.21 4.1M 0:03.91 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd7
16 -0.21 3.7M 0:03.41 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4 Rd7
15 -0.51 2.3M 0:02.24 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4
15 -0.51 1.8M 0:01.74 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 f6 Kb3 Kg3 Rd3 Kf4 Kb4 g4 fxg4 hxg4
14 -0.47 1.1M 0:01.17 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Rd3 Kg3 Ka3 h4 Kb3 g4 fxg4+ Kxg4 Rd7
14 -0.47 942541 0:00.95 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Rd3 Kg3 Ka3 h4 Kb3 g4 fxg4+ Kxg4 Rd7
13 -0.47 629840 0:00.70 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Rd3 Kg3 Ka3 h4 Kb3 g4
13 -0.47 531426 0:00.57 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Rd3 Kg3 Ka3 h4 Kb3 g4
12 -0.32 358310 0:00.43 Rxf3 gxf3 Kxh3 axb5 axb5 Rd3 Kg3 Kb3 Kf4 Kb4 g4 fxg4
12 -0.32 322171 0:00.39 Rxf3 gxf3 Kxh3 axb5 axb5 Rd3 Kg3 Kb3 Kf4 Kb4 g4 fxg4
11 -0.55 217215 0:00.29 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Bf4 Rd3 h4 c4 bxc4+ Kxc4
11 -0.55 194310 0:00.26 Rxf3 gxf3 Kxh3 axb5 axb5 Kb3 Bf4 Rd3 h4 c4 bxc4+ Kxc4
10 -0.57 136459 0:00.20 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Kb3 Kg3 Rd3
10 -0.57 135912 0:00.20 Rxf3 gxf3 Kxh3 axb5 axb5 Rd5 Bf4 Kb3 Kg3 Rd3
10 -0.78 83038 0:00.14 g4 hxg4 hxg4 Bd1 Rd6 Rxd6 Bxd6 Be2 bxa4 Bxa6
9 -0.78 71842 0:00.12 g4 hxg4 hxg4 Bd1 Rd6 Rxd6 Bxd6 Be2 bxa4
9 -0.78 54908 0:00.09 g4 hxg4 hxg4 Bd1 Rd6 Rxd6 Bxd6 Be2 bxa4
8 -0.68 35586 0:00.06 g4 Bd1 Rd6 Rd5 gxh3 gxh3 Kxh3 Bxh5
8 -0.68 27784 0:00.06 g4 Bd1 Rd6 Rd5 gxh3 gxh3 Kxh3 Bxh5
7 -0.64 16970 0:00.04 g4 Be2 Rf2 axb5 axb5 hxg4 hxg4
7 -0.64 13958 0:00.04 g4 Be2 Rf2 axb5 axb5 hxg4 hxg4
6 -0.64 11272 0:00.03 g4 Be2 Rf2 axb5 axb5 hxg4
6 -0.64 9339 0:00.03 g4 Be2 Rf2 axb5 axb5 hxg4
5 -0.82 7489 0:00.03 g4 Be2 Rf2 axb5 axb5
5 -0.82 6587 0:00.03 g4 Be2 Rf2 axb5 axb5
5 -1.01 5012 0:00.01 bxa4 Ka3 g4 Bd1 Bf4
5 -2.22 2774 0:00.01 Rxf3 gxf3 Kxh3 Rd5 Bf4
4 -0.79 2112 0:00.01 Rxf3 gxf3 Kxh3 Kb3
4 -0.79 679 0:00.01 Rxf3 gxf3 Kxh3 Kb3
3 -0.41 509 0:00.01 Rxf3 gxf3 Kxh3
3 -0.41 394 0:00.00 Rxf3 gxf3 Kxh3
2 -0.41 244 0:00.00 Rxf3 gxf3
2 -0.41 118 0:00.00 Rxf3 gxf3
1 -0.41 89 0:00.00 Rxf3
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- Posts: 1766
- Joined: Wed Jun 03, 2009 12:14 am
Re: nice exchange sac from Rybka 4
yes, as kg & dann show, it appears only to draw:
1... Rxf3 2. gxf3 Kxh3 3. Rd5 f6 4. axb5 axb5 5. Rxb5 h4 6. Rxe5 fxe5 7. c4 Kg3 8. c5 h3 9. c6 h2 10. c7 h1=Q 11. c8=Q Qxf3 12. Qf5
1... Rxf3 2. gxf3 Kxh3 3. Rd5 f6 4. axb5 axb5 5. Rxb5 h4 6. Rxe5 fxe5 7. c4 Kg3 8. c5 h3 9. c6 h2 10. c7 h1=Q 11. c8=Q Qxf3 12. Qf5
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- Posts: 1777
- Joined: Thu Jun 05, 2008 10:58 pm
- Location: Canada
Re: nice exchange sac from Rybka 4
It is an interesting exchange down. To this human, I don't see enough positional advantage for the material loss - Rook for Bishop.
Cordially,
Sean
Cordially,
Sean