### Re: 10th aniversery of deep blue win: interesting news artic

Posted:

**Fri May 11, 2007 5:45 am**Leto wrote:False. Game 1, after 36.Kg1 :Terry said:

Some engines have found Deep Blues moves, not faster than Deep Blue.

[D]3rr1k1/1p6/2p3P1/4nP1p/pP2p3/P1B1NbP1/2P3B1/5RK1 b - - 0 36

[log] 8(4) #[Rd7](-30)[Rd7](-30) -30v T=0

Rd8d7 rf1f2 Pb7b5 bg2f3B Pe4f3b bc3e5N Re8e5b rf2f3P Kg8g7 pg3g4 Ph5h4 kg1g2

8(6) #[Rd7](-64)############################# -64 T=4

Rd8d7 rf1f2 Pb7b5 bg2f3B Pe4f3b bc3e5N Re8e5b rf2f3P Kg8g7 pg3g4 Ph5h4 kg1g2

9(6) #[Rd7](-53)###########################[b5](-48)# -48 T=13

Pb7b5 rf1f2 Rd8d6 bc3e5N Re8e5b bg2f3B Pe4f3b rf2f3P Kg8g7 kg1f1 Rd6d2 rf3f2 Rd2c2p

10(6) #[b5](-40)############################# -40 T=39

Pb7b5 rf1f2 Rd8d6 bc3e5N Re8e5b bg2f3B Pe4f3b rf2f3P Kg8g7 kg1f1 Rd6d2 rf3f2 Rd2c2p

11(6)<ch> 'kg1'

#[b5](-38)####################[TIMEOUT] 566 sec]#[Kf8](-36) -36 T=209

Kg8f8 bg2f3B Pe4f3b bc3e5N Re8e5b rf1f3P Kf8g7 kg1f2 Rd8d2 kf2f1 Pb7b5 rf3f2 Rd2f2r kf1f2R Kg7f6 [/log]

According to the log, it took Deep Blue 209 seconds to see that 36...Kf8 is strongest.

Rybka on the other hand on my two year old computer takes only 138 seconds to see that 36...Kf8 is strongest :

Analysis by Rybka 2.2 mp x64 2CPU:

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (-0.10) Depth: 2 00:00:00

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (-0.10) Depth: 3 00:00:00

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 4 00:00:00

36...Rd7 37.Bxf3

= (0.00) Depth: 4 00:00:00

36...Rd7 37.Bxf3

= (0.00) Depth: 5 00:00:00

36...Rd7 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2

= (0.10) Depth: 6 00:00:00 2kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 6 00:00:00 3kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 7 00:00:00 4kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 8 00:00:00 4kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 9 00:00:00 4kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 10 00:00:01 4kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 11 00:00:01 4kN

36...b5 37.Bxf3 exf3 38.Bxe5 Rxe5 39.Kf2 c5 40.bxc5 Rxc5 41.Rb1 Re5 42.Re1

= (0.00) Depth: 12 00:00:01 9kN

36...b5 37.Re1 Ng4 38.f6 Kf8 39.Nf5 Bxg2 40.Kxg2 Re6 41.g7+ Kf7 42.Ne7

= (0.00) Depth: 13 00:00:01 215kN

36...b5 37.Re1 Ng4 38.f6 Kf8 39.Nxg4 hxg4 40.Bf1 Bd1 41.Kf2 e3+ 42.Rxe3 Bxc2

= (-0.04) Depth: 14 00:00:03 624kN

36...b5 37.Re1 Ng4 38.f6 Kf8 39.Nxg4 hxg4 40.Bf1 Bd1 41.Kf2 e3+ 42.Rxe3 Bxc2 43.g7+

= (0.00) Depth: 15 00:00:04 810kN

36...b5 37.Re1 Ng4 38.f6 Kf8 39.Nxg4 hxg4 40.Bf1 Bd1 41.Ba1 Bf3 42.Bc3 Bd1 43.Ba1

= (0.00) Depth: 16 00:00:05 1244kN

36...b5 37.Re1 Kf8 38.Bh3 Kg7 39.g4 h4 40.Kf2 Kg8 41.g5 Kf8 42.Ng2 Nc4 43.Ne3

= (0.00) Depth: 17 00:00:10 2382kN

36...b5 37.Re1 Kf8 38.Bh3 Kg7 39.g4 h4 40.Kf2 Kg8 41.g5 Kf8 42.Ra1 Rd6 43.Re1

= (0.00) Depth: 18 00:00:15 3532kN

36...b5 37.Kf2 Kf8 38.Bxf3 exf3 39.Rh1 Ng4+ 40.Nxg4 hxg4 41.Rh8+ Ke7 42.Rh4 Kf8 43.Rxg4

² (0.39) Depth: 19 00:00:37 8742kN

36...Ng4 37.f6 Re6 38.Bh3 Rxf6 39.Bxg4 Rxg6 40.Bh3 Rxg3+ 41.Kh2 Rg5 42.Be6+ Kh7 43.Bf6

= (0.24) Depth: 19 00:01:43 23779kN

36...Kf8 37.Bh3 b5 38.Kf2 Rd6 39.Re1 Rdd8 40.Kg1 Kg7 41.g4 h4 42.Kf2 Kg8 43.g5

= (0.00) Depth: 19 00:02:18 31798kN

36...Kf8 37.Bh3 b5 38.Kf2 Rd6 39.Re1 Rdd8 40.Kg1 Kg7 41.g4 h4 42.Kf2 Kg8 43.g5

= (0.00) Depth: 20 00:02:55 40671kN

36...Kf8 37.Bh3 b5 38.Kf2 Rd6 39.Re1 Re7 40.Bf1 Ng4+ 41.Nxg4 Bxg4 42.f6 Ree6 43.Ke3

= (0.02) Depth: 21 00:04:15 59533kN

36...Kf8 37.Bh3 b5 38.Kf2 Rd6 39.Re1 Rdd8 40.Ng2 Bd1 41.Nf4 Bxc2 42.Bxe5 Rxe5 43.Ne6+

= (0.04) Depth: 22 00:07:15 102mN

36...Kf8 37.Bh3 b5 38.Kf2 Rd6 39.Re1 Rdd8 40.Ng2 Bd1 41.Nf4 Bxc2 42.Bxe5 Rxe5 43.Ne6+

= (0.10) Depth: 23 00:10:34 148mN