Author: Jorge Pichard
Date: 23:02:43 03/22/03
Go up one level in this thread
On March 23, 2003 at 02:00:59, Jorge Pichard wrote:
>On March 22, 2003 at 22:46:33, bobby palacios wrote:
>
>>On March 22, 2003 at 18:57:15, Jorge Pichard wrote:
>>
>>>I was setting different positions found in the book { The Most Instructive Games
>>>of Chess Ever Played) by Irving Chernev. We all know that these 62 Masterpieces
>>>of Chess Strategy were played by Humans, but after testing different positions,
>>>I found out that most of them were solved by today's top programs. It is about
>>>time for somebody to collect at least 50 great games played by top computer
>>>programs and publish it. Anyway, here is an interesting
>>>position played by Smyslov vs Reshevsky Moscow 1948.
>>>
>>>How many programs besides Fritz 8 and Shredder 7 play the correct move 26.Qh4!
>>>Quoted by Chernev as a Clever play! The idea is to force an exchange which rid
>>>the board of Black's Queen, the only defender of the Queen Pawn. There is no way
>>>to save the pawn, since 26...Qd7 is answered by Qd8+, and if QxQ 27. PxQ and the
>>>d6 pawn is beyond help.
>>>
>>>
>>>[D]rn5k/1p2q1p1/pB1pp2p/4p3/4P1Q1/2P3P1/PP3P1P/3R2K1 w - - 0 1
>>
>>Wouldn't Qf3 followed by Qd3 win the pawn also, without ruining white's pawn
>>structure? Hiarcs 8 like Qf3 better than Qh4. While Chess Tiger 14.0 sees no
>>difference in the two moves.
>>
>>Analysis by Hiarcs 8:
>>
>>1.f4
>> +- (1.41) Depth: 1 00:00:00
>>1.Qh4 Qd7
>> ± (1.04) Depth: 4/13 00:00:00
>>1.Qh4 Qd7
>> ± (1.04) Depth: 4/13 00:00:00
>>1.Qh4 Qd7
>> ± (1.04) Depth: 4/13 00:00:00
>>1.Qh4 Qd7
>> ± (1.04) Depth: 4/13 00:00:00
>>1.Qh4 Qd7
>> ± (1.04) Depth: 4/13 00:00:00
>>1.Qh4 Qd7 2.f4 Nc6
>> ± (1.01) Depth: 4/13 00:00:00
>>1.Qh4 Qd7
>> ± (1.26) Depth: 5/13 00:00:00 3kN
>>1.Qh4 Qd7 2.Qd8+ Qxd8 3.Bxd8 Nd7 4.Ba5
>> ± (1.31) Depth: 5/13 00:00:00 4kN
>>1.Qh4 Qd7 2.Qd8+ Qxd8 3.Bxd8 Nd7 4.Ba5 Rf8 5.Rxd6 Nc5
>> ± (1.20) Depth: 6/18 00:00:00 20kN
>>1.Qf3 Nd7
>> +- (1.58) Depth: 6/18 00:00:00 28kN
>>1.Qf3 Nd7 2.Bc7 Qf6 3.Qe3
>> +- (1.60) Depth: 6/18 00:00:00 30kN
>>1.Qf3 Nd7 2.Bc7 d5 3.exd5 exd5 4.Rxd5
>> +- (1.83) Depth: 7/18 00:00:00 44kN
>>1.Qf3 Nd7
>> +- (1.56) Depth: 8/18 00:00:00 84kN
>>1.Qf3 Nd7 2.Bc7 Qf6 3.Qxf6 Nxf6 4.Rxd6 Rc8 5.Bb6 Rc6 6.Rxc6 bxc6
>> +- (1.54) Depth: 8/18 00:00:00 100kN
>>1.Qh4 Qxh4 2.gxh4 d5 3.exd5 exd5 4.Rxd5 Nc6 5.Rd7 Rb8
>> +- (1.81) Depth: 8/23 00:00:00 134kN
>>1.Qh4 Qxh4 2.gxh4 d5 3.exd5 exd5 4.Rxd5 Nc6 5.Rd7 Rb8 6.h5
>> +- (1.81) Depth: 9/24 00:00:01 217kN
>>1.Qh4 Qxh4 2.gxh4 d5 3.exd5 exd5 4.Rxd5 Nc6 5.Rd7 Rb8 6.f3 g6
>> +- (1.84) Depth: 10/27 00:00:02 508kN
>>1.Qh4 Qxh4 2.gxh4 d5 3.exd5 exd5 4.Rxd5 Nc6 5.Rd7 Rb8 6.f3 g6 7.c4
>> +- (1.79) Depth: 11/28 00:00:04 1062kN
>>1.Qf3 Nc6 2.Qd3 d5 3.exd5 exd5 4.Qxd5 e4 5.Bc5 Qe5 6.Bd6 Qxd5
>> +- (1.88) Depth: 11/28 00:00:08 1920kN
>>1.Qf3 Nd7 2.Bc7 Qf6 3.Qxf6 Nxf6 4.Rxd6 Rc8 5.Bb6 Nxe4 6.Rd7 Rb8 7.Bc7 Nf6 8.Rxg7
>>Kxg7 9.Bxb8
>> +- (2.06) Depth: 12/33 00:00:32 6577kN
>>1.Qf3 Nc6 2.Qd3 d5 3.exd5 exd5 4.Qxd5 Re8 5.Qd7 e4 6.Qxe7 Rxe7 7.c4 Ne5 8.Rd8+
>>Kh7
>> +- (1.93) Depth: 13/37 00:01:57 22980kN
>>
Yes, but that would delay the quick and effective detruction of the enemy pawns,
not only the d6, but also the e6! pawn. In a war you don't want to delay the
number of days it take to win.
1. Qf3 Nc6 2. Qd3 Qf7 3. Qxd6 Re8 4. Qd7 Re7 5. Qc8+ Kh7
>
>Qh4! is Brutal, but they alway say, "Chess like war is not for the
>kind-hearted."
>
>[D]2Q5/1p2rqpk/pBn1p2p/4p3/4P3/2P3P1/PP3P1P/3R2K1 w - - 0 6
>
>Pichard
>
>
>>Analysis by Chess Tiger 14.0:
>>
>>Depth 16
>>
>>1. +- (1.62): 1.Qh4 Qd7 2.Qd8+ Qxd8 3.Bxd8 Nd7 4.Ba5 Rf8 5.Rxd6 Nc5 6.f4 exf4
>>7.Bb4 Na4 8.Rxe6 Rf6 9.Rxf6 gxf6
>>2. +- (1.58): 1.Qf3 Nc6 2.Qd3 Qf7 3.Qxd6 Qh5 4.Re1 Qf7 5.Re3 Rf8 6.Rd3 g6 7.Qd7
>>Kg7 8.Rd6 Qxd7 9.Rxd7+ Rf7
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