Author: Uri Blass
Date: 02:14:32 06/10/01
Go up one level in this thread
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
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