Author: Eduard Nemeth
Date: 14:38:53 06/10/01
Go up one level in this thread
On June 10, 2001 at 05:41:49, Uri Blass wrote:
>On June 10, 2001 at 05:14:32, Uri Blass wrote:
>
>>On June 10, 2001 at 05:07:10, Uri Blass wrote:
>>
>>>On June 10, 2001 at 02:27:24, Eduard Nemeth wrote:
>>>
>>>>I played this game against Fritz6 (Engine from 2001/4/20) today.
>>>>
>>>>hardware: P600
>>>>hash: 128 MB
>>>>
>>>>[Event "Blitz:10'"]
>>>>[Site "Stuttgart"]
>>>>[Date "2001.06.10"]
>>>>[Round "2"]
>>>>[White "Nemeth,Eduard"]
>>>>[Black "Fritz 6c"]
>>>>[ECO "B20"]
>>>>[Result "1-0"]
>>>>
>>>>1. e4 {0} c5 {0} 2. e5 {2} Nc6 {0.19/12 12} 3. f4 {9} g5
>>>>{0.00/12 29} 4. Bc4 {20} gxf4 {-0.50/11 12} 5. d4 {13} cxd4
>>>>{-0.97/10 16} 6. c3 {15} dxc3 {-1.41/10 17} 7. Bxf7+ {9}
>>>>Kxf7 {-2.16/7 0} 8. Qh5+ {5} Ke6 {-0.22/10 29} 9. Qh3+ {2}
>>>>Kxe5 {-0.78/9 11} 10. Bxf4+ {2} Kxf4 {-1.22/10 15} 11. Qh5
>>>>{7} Qa5 {#10/10 30} 12. Ne2+ {6} Ke4 {#6/8 0} 13. Nbxc3+
>>>>{6} Qxc3+ {#4/7 0} 14. Nxc3+ {3} Ke3 {#3/4 0} 15. Qf3+ {3}
>>>>Kd4 {#2/3 0} 16. Qd5+ {3} Ke3 {#1/2 0} 17. Qe4# {15} 1-0
>>>>
>>>>
>>>>Here the position after 10.Bf4+ and analysis by Fritz6, Deep Shredder, and
>>>>Tiger 14:
>>>>
>>>>[D]r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 10
>>>>
>>>>
>>>>Nemeth,E - Fritz 6c, 128 MB hash
>>>>r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 1
>>>>
>>>>Analysis by Fritz 6:
>>>>(in the game 10', Fritz6 played 10...Kxf4?)
>>>>
>>>> 10...Kxf4 11.Dh5 d5 12.Se2+ Ke4 13.Sbxc3+ Kd3 14.Td1+ Kc4 15.Txd5
>>>> +- (1.81) Tiefe: 11/42 00:00:30 15348kN
>>>>10...Kf6
>>>> +- (1.78) Tiefe: 11/42 00:00:39 19632kN
>>>>10...Kf6 11.Dh4+ Ke6 12.Dh3+ Kf7 13.Dh5+ Kg7 14.Dg5+ Kf7 15.Dh5+
>>>> = (0.00) Tiefe: 11/42 00:00:51 25243kN
>>>>10...Kf6 11.Dh4+ Ke6 12.Dh3+ Kf7 13.Dh5+ Kg7 14.Dg5+ Kf7 15.Dh5+
>>>> = (0.00) Tiefe: 12/39 00:01:29 43364kN
>>>>
>>>>(Nemeth, ChessBits 10.06.2001)
>>>>
>>>>
>>>>Engine: Deep Shredder, P600, 128Mb hash
>>>>von Stefan Meyer-Kahlen
>>>>Nemeth,Eduard - Fritz 6 Stufe=Blitz:10' B20 2001 1-0
>>>>
>>>> 9.01 1:29 -0.08-- 10...Kxf4 11.Dh5 d5 12.Sxc3 Lf5 13.Sf3 e5 14.O-O Db6+
>>>>15.Kh1 Sf6 (15.501.669) 173.3
>>>> 9.01 1:41 -0.58-- 10...Kxf4 11.Dh5 d5 12.Sxc3 Lf5 13.Sf3 e5 14.O-O Db6+
>>>>15.Kh1 Dxb2 16.g3+ (17.554.846) 172.7
>>>> 9.01 1:59 -M10 10...Kxf4 11.Dh5 Se5 12.Se2+ Ke4 13.Sbxc3+ Kd3 14.Dxe5 Sf6
>>>>15.O-O-O+ Kc4 16.Td4+ (20.597.807) 173.0
>>>> 9.03 2:02 -M10++ 10...Kf6 11.Dh4+ Kg7 12.Dg5+ Kf7 13.Dh5+ Ke6 14.Dh3+ Kd5
>>>>15.Df3+ Kc5 16.Dxc6+ dxc6 17.b4+ Kxb4 18.a3+ Ka5 (21.246.125) 173.5
>>>> 9.03 2:08 0.00++ 10...Kf6 11.Dh4+ Kg7 12.Dg5+ Kf7 13.Dh5+ Ke6 14.Dh3+ Kf6
>>>>15.Dh4+ (22.197.067) 172.9
>>>>
>>>>
>>>>Chess Tiger 14.0 (Lokasoft-GUI) , 96 MB hash
>>>>
>>>>00:00:09.6 3,38 9 1627898 Kxf4
>>>>00:00:36.1 2,00 10 6321721 Kxf4 Qh5 d5 Nh3+ Ke4 Nxc3+ Kd4 Rd1+ Kc5 Rxd5+ Kb6
>>>>Rxd8 Nxd8 Nd5+ Ka6
>>>>00:03:10.3 -Mate in 9 11 35058495 Kxf4 Qh5 d5 Nxc3 Bf5 Nf3 Bh6 g3+ Ke3 Qxf5 Qa5
>>>>Qc2 Qxc3+ Qxc3+ Ke4
>>>>
>>>>I break this analysis after 15 minutes (!), but this was the last analysis by
>>>>Chess Tiger 14.0
>>>>
>>>>Question: BUG or not ???
>>>>
>>>>Eduard
>>>
>>>No
>>>Tiger14 is simply slower
>>>
>>>I also believe that it is a bad design decision not to search for next best
>>>after seeing checkmate against itself.
>>>
>>>Tiger14 can see that Kf6 is the next best move in few seconds at short depth
>>>if I give it 2 options.
>>>
>>>New game - Deep Fritz
>>>r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 1
>>>
>>>Analysis by Chess Tiger 14.0:
>>>
>>>10...Kxf4 11.Qf3+ Kg5 12.Nh3+ Kg6 13.Qg4+ Kf6 14.0-0+ Ke5 15.Qf4+ Ke6 16.Qxf8
>>>Qxf8 17.Rxf8
>>> -+ (-6.22) Depth: 7 00:00:00 94kN
>>>10...Kxf4 11.Qf3+ Ke5 12.Qxc3+ Kd5 13.Qxh8 Nf6 14.Nf3 Kc4
>>> -+ (-4.72) Depth: 7 00:00:00 120kN
>>>10...Kxf4 11.Qf3+ Ke5 12.Qxc3+ Kd6 13.Qxh8 Nf6 14.Nf3 Bh6 15.Qxd8 Nxd8
>>> -+ (-4.28) Depth: 8 00:00:01 257kN
>>>10...Kxf4
>>> -+ (-3.38) Depth: 9 00:00:07 1635kN
>>>10...Kxf4 11.Qh5 d5 12.g3+ Ke4 13.Nxc3+ Kd3 14.Rd1+ Kc4 15.Qe2+ Kc5 16.Rxd5+
>>>Qxd5 17.Qb5+ Kd6 18.Nxd5
>>> -+ (-1.96) Depth: 10 00:00:28 6507kN
>>>10...Kxf4 11.Qh5 d5 12.Nxc3 Bf5 13.Nf3 Bh6 14.g3+ Ke3 15.Qxf5 Qa5 16.Qc2 Qxc3+
>>>17.Qxc3+ Ke4
>>> +- (#9) Depth: 11 00:02:58 42130kN
>>>10...Kf6 11.Qh4+ Kf5 12.Qg5+ Ke6 13.Qg4+ Kf7 14.Qh5+ Kg7 15.Qg4+ Kf6 16.Qh4+
>>> = (0.03) Depth: 12 00:19:14 295420kN
>>>10...Kf6 11.Qh4+ Kf5 12.Qg5+ Ke6 13.Qg4+ Kf7 14.Qh5+ Kg7 15.Qg4+ Kf6 16.Qh4+
>>> = (0.03) Depth: 12 00:20:13 309393kN
>>>10...Kf6 11.Qh4+ Kf5 12.Qg5+ Ke6 13.Qg4+ Kf7 14.Qh5+ Kg7 15.Qg4+ Kf6 16.Qh4+
>>> = (0.03) Depth: 13 00:25:13 382255kN
>>>10...Kf6 11.Qh4+ Kf5 12.Qg5+ Ke6 13.Qg4+ Kf7 14.Qh5+ Kg7 15.Qg4+ Kf6 16.Qh4+
>>> = (0.03) Depth: 14 00:41:59 631892kN
>>>
>>>(Blass, Tel-Aviv 10.06.2001)
>>>
>>>Uri
>>
>>I can add also that tiger14 can see that 10...Kf6 is the best move at depth 10
>>in less than a minute if I give it 2 options(37 seconds on P800 to finish depth
>>10)
>>
>>New game - Deep Fritz
>>r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 1
>>
>>Analysis by Chess Tiger 14.0:
>>
>>1. = (0.03): 10...Kf6 11.Qh4+ Kf5 12.Qg5+ Ke6 13.Qg4+ Kf7 14.Qh5+ Kg7 15.Qg5+
>>Kf7 16.Qh5+
>>2. +- (2.22): 10...Kxf4 11.Qh5
>>
>>(Blass, Tel-Aviv 10.06.2001)
>>
>>Uri
>
>I can add that if it is a bug Crafty18.08 has even a bigger bug
>Crafty18.08 cannot see Kf6 in more than 26 minutes
>
>It considers Kd4 for a long time.
>Crafty like tiger has a bad order of moves.
>
>Every human is going to check first king goes backward because going forward is
>asking for mate but for some reason the order of moves of chess programs start
>with king goes forward.
>
>New game - Deep Fritz
>r1bq1bnr/pp1pp2p/2n5/4k3/5B2/2p4Q/PP4PP/RN2K1NR b KQ - 0 1
>
>Analysis by Crafty 18.08:
>
>10...Kxf4 11.Nxc3
> -+ (-7.48) Depth: 1/5 00:00:00
>10...Kxf4 11.Ne2+ Kg5 12.Nbxc3
> -+ (-7.32) Depth: 4/7 00:00:00
>10...Kxf4 11.Ne2+ Kg5 12.Nbxc3
> -+ (-7.32) Depth: 4/7 00:00:00
>10...Kxf4 11.Qf3+ Kg5 12.Nh3+ Kh6 13.Nxc3
> -+ (-7.36) Depth: 4/7 00:00:00
>10...Kxf4 11.Ne2+ Kg5 12.Qe3+ Kg6 13.Nf4+ Kg7 14.Nxc3
> -+ (-7.37) Depth: 5/13 00:00:00
>10...Kxf4 11.Qh5 Nf6 12.Ne2+ Ke4 13.Nbxc3+ Kd3 14.Qc5
> -+ (-7.01) Depth: 6/15 00:00:01 216kN
>10...Kxf4 11.Qh5 d5 12.Ne2+ Ke4 13.Nbxc3+ Kd3 14.0-0-0+ Kc4 15.Nxd5
> -+ (-6.12) Depth: 7/19 00:00:02 763kN
>10...Kxf4 11.Qh5 d5 12.g3+ Ke3 13.Qf3+ Kd4 14.Qxc3+ Ke4 15.Nd2+ Kf5 16.Qxh8 Nf6
>17.Ngf3
> -+ (-2.87) Depth: 8/22 00:00:07 3360kN
>10...Kxf4 11.Qh5 d5 12.Nh3+ Ke4 13.Nxc3+ Kd4 14.0-0-0+ Kc5 15.Rxd5+ Kb6 16.Rxd8
>Nxd8
> -+ (-2.12) Depth: 9/24 00:00:39 18093kN
>10...Kxf4 11.Qh5 d5 12.g3+ Ke4 13.Nxc3+ Kd4 14.0-0-0+ Kc5 15.Rxd5+ Qxd5 16.Qxd5+
>Kb6 17.Qb5+ Kc7 18.Nd5+ Kb8 19.Nf3
> -+ (-1.75) Depth: 10/29 00:01:19 36727kN
>10...Kxf4 11.Qh5 Qa5 12.Ne2+ Ke4 13.Nbxc3+ Kd3 14.Qh4 Qxc3+ 15.Nxc3 Kc2 16.Qe4+
>Kxb2 17.Rb1+ Kxc3 18.Rb3#
> +- (#8) Depth: 11/32 00:08:23 260166kN
>
>(Blass, Tel-Aviv 10.06.2001)
>
>Uri
Thanks Uri. I understand now what you think! German: "Ich verstehe was Du
meinst" !
Best wishes to Tel-Aviv + Israel,
Eduard
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