Author: Roy Eassa
Date: 11:37:45 06/30/02
Go up one level in this thread
On June 30, 2002 at 12:26:30, Mike Byrne wrote:
>On June 30, 2002 at 09:49:32, Art Basham wrote:
>
>>This is one of my favorite moves!
>>
>>[D]r2q1rk1/pb3ppp/2n5/1pbNP3/2p1Q3/P4N2/BP3PPP/R4RK1 w - -
>>
>>White plays Nf6+..!
>
>I'm not sure why it takes my modified crafty so long - almost 13 minutes
>
>Crafty v18.15 (2 cpus)
>
>White(1): setb r2q1rk1/pb3ppp/2n5/1pbNP3/2p1Q3/P4N2/BP3PPP/R4RK1 w - -
>
> +---+---+---+---+---+---+---+---+
> 8 | *R| | | *Q| | *R| *K| |
> +---+---+---+---+---+---+---+---+
> 7 | *P| *B| | | | *P| *P| *P|
> +---+---+---+---+---+---+---+---+
> 6 | | | *N| | | | | |
> +---+---+---+---+---+---+---+---+
> 5 | | *P| *B| N | P | | | |
> +---+---+---+---+---+---+---+---+
> 4 | | | *P| | Q | | | |
> +---+---+---+---+---+---+---+---+
> 3 | P | | | | | N | | |
> +---+---+---+---+---+---+---+---+
> 2 | B | P | | | | P | P | P |
> +---+---+---+---+---+---+---+---+
> 1 | R | | | | | R | K | |
> +---+---+---+---+---+---+---+---+
> a b c d e f g h
>
>White(1): st 999999
>search time set to 999999.00.
>White(1): go
> clearing hash tables
> time surplus 0.00 time limit 16666:39 (16666:39)
> nss depth time score variation (1)
>starting thread 1
> (2) 6-> 0.20 0.30 1. Bb1 g6 2. Nf6+ Kg7 3. Ba2 Qd3 4.
> Qf4
> 7 0.31 0.14 1. Bb1 g6 2. Nf6+ Kg7 3. a4 a6 4. axb5
> axb5 5. Rxa8 Bxa8
> (2) 7-> 0.56 0.14 1. Bb1 g6 2. Nf6+ Kg7 3. a4 a6 4. axb5
> axb5 5. Rxa8 Bxa8
> 8 0.78 0.41 1. Bb1 g6 2. Nf6+ Kg7 3. a4 Rc8 4.
> axb5 Nxe5 5. Nh5+ gxh5 6. Qxe5+
> (4) 8-> 1.61 0.41 1. Bb1 g6 2. Nf6+ Kg7 3. a4 Rc8 4.
> axb5 Nxe5 5. Nh5+ gxh5 6. Qxe5+
> (3) 9 2.26 0.63 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Bxc6 Bxc6 6. Nd4
> (3) 9-> 4.87 0.63 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Bxc6 Bxc6 6. Nd4
> (2) 10 5.78 0.58 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Bxc6 Bxc6 6. Nd4 Bd5
> (4) 10-> 12.95 0.58 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Bxc6 Bxc6 6. Nd4 Bd5
> (3) 11 17.61 0.56 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Rad1 Bxf6 6. exf6+ Qxf6
> 7. Qxf6+ Kxf6 8. Rfe1
> (3) 11-> 42.19 0.56 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Be7 5. Rad1 Bxf6 6. exf6+ Qxf6
> 7. Qxf6+ Kxf6 8. Rfe1
> (2) 12 49.11 0.68 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Qe7 5. Qf4 Rad8 6. Rfe1 c3 7. bxc3
> <HT>
> (4) 12-> 1:47 0.68 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Qe7 5. Qf4 Rad8 6. Rfe1 c3 7. bxc3
> <HT>
> (3) 13 2:24 0.67 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Qe7 5. g4 g5 6. Nxg5 Qxe5 7. Ngh7
> Rfd8
> (2) 13-> 4:35 0.67 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Qe7 5. g4 g5 6. Nxg5 Qxe5 7. Ngh7
> Rfd8
> 14 6:09 0.71 1. Bb1 g6 2. Nf6+ Kg7 3. Qh4 h6 4.
> Be4 Nxe5 5. Nxe5 Bxe4 6. Qxe4 Kxf6
> 7. Qc6+ Kxe5 8. Rae1+ Kf4 9. Qf3+ Kg5
> 10. Re5+ f5 11. Rxc5
> 14 13:17 ++ 1. Nf6+!!
> 14 34:19 1.52 1. Nf6+ gxf6 2. Bb1 Re8 3. Qxh7+ Kf8
> 4. Be4 Re6 5. Rad1 Qc8 6. Nh4 Nd4 7.
> exf6 Rxf6 8. Qh8+ Ke7 9. Qxc8 Rxc8
> 10. Bxb7 Ne2+ 11. Kh1 Rg8
> 14-> 36:56 1.52 1. Nf6+ gxf6 2. Bb1 Re8 3. Qxh7+ Kf8
> 4. Be4 Re6 5. Rad1 Qc8 6. Nh4 Nd4 7.
> exf6 Rxf6 8. Qh8+ Ke7 9. Qxc8 Rxc8
> 10. Bxb7 Ne2+ 11. Kh1 Rg8
> 15 40:11 ++ 1. Nf6+!!
Yours is the first post I've seen with the key move 4.Be4!. I think it's a key
to the position and wins best.
Some analysis, using Fritz 7 to help:
1.Nf6+
[1.Bb1 g6 2.Nf6+ Kg7 3.a4 a6 4.Bc2
(4.Qh4 h6 =)
4...Qe7 =]
1...gxf6 2.Bb1 Re8
[2...f5? 3.Qxf5 Re8 4.Ng5 Nxe5 5.Qxh7+ Kf8 6.Qh8+ Ke7 7.Qxe5+ +-]
3.Qxh7+ Kf8 4.Be4!
[4.Qh8+ Ke7 5.Qxf6+ Kf8 6.Qh6+ Ke7 7.Be4! Qb6
(7...Qc7 8.Qf6+ Kf8
(8...Kd7?? 9.Bf5+ +-)
9.Nh4 Re6 10.Qh8+ Ke7 11.Nf5+ Kd7 12.Rad1+ Nd4 13.Qh4 Bxe4
14.Qxe4 Rxe5 15.Qf3 Rh8 16.Nxd4 Bxd4 17.Rxd4+ +-)
8.Rad1
(8.Qf6+ Kd7 =+)
8...Nxe5 9.Qxb6 Bxb6 10.Bxb7 Nxf3+ 11.Bxf3 +=]
4...Re6 5.Rad1 Bxf2+
[5...Qc8 6.Nh4 Nd4 7.Bxb7 Qxb7 8.Rxd4 Bxd4
(8...Rxe5 9.Ng6+ +-)
9.Nf5 Ke8 10.Qg8+ Kd7 11.Qxf7+ +-]
6.Kh1 Qc7 7.exf6 Rxf6 8.Rxf2 +-
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