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Subject: Re: Which engine finds Ng5+ ?

Author: Roy Eassa

Date: 08:13:40 09/02/02

Go up one level in this thread


On September 01, 2002 at 00:18:00, Steffen Jakob wrote:

>[D]r1b2r2/pp1p1p1k/1qn2Ppp/5p2/3p4/3B1N2/PPPQ1PPP/R3R1K1 w - - 0 1
>
>1. Ng5+ hxg5 (1... Kg8 2. Nxf7 Kxf7 (2... Rxf7 3. Qxh6 Qd8 4. Qxg6+ Kf8 5. Qh6+
>Kg8 6. Bc4 $18) 3. Qxh6 Rg8 4. Bc4+ $18) 2. Qxg5 Nb4 (2... Rh8 {This move was
>played in the actual game.} 3. Qh4+ Kg8 4.
>Re8#) (2... d5 3. Qh4+ Kg8 4. Qh6 $18) (2... Nd8 3. Bxf5 Ne6 4. Qh4+ Kg8 5. Qh6
>$18) (2... Qd8 3. Bxf5 Rh8 4. Re4 Kg8 5. Bxg6 $18) 3. Re5 {
>The threat is Qh4+ Kg8 Rxf5.} Nxd3 (3... d5 4. Bxf5 Bxf5 5. Qh4+ Kg8 6. Rxf5
>$18) 4. Qh4+ Kg8 5. Rxf5 Nc5 6. Rh5 $18 1-0


Here's other analysis:

1.Ng5+!

   [also winning is 1.Qf4 d6 2.Qh4 h5 3.g4! Ne5 4.Nxe5 dxe5 5.gxf5 Kh6
    6.f4! exf4 7.fxg6 Qc5
       (7...fxg6 8.Qxf4+ mates)
    8.Qxf4+ Qg5+ 9.Qxg5+ Kxg5 10.g7 Rd8 11.Rf1 +-]

1...hxg5 2.Qxg5 Nb4

   [2...Rh8?? 3.Qh4+ Kg8 4.Re8#]

3.Re5!

   [or 3.Bxf5 Nd5 4.Be4 Qxf6
      (4...Nxf6 5.Bxg6+)
    5.Qxd5 d6 6.Rad1 Be6 7.Qxd4 +-]

3...Nxd3

   [3...d5 4.Bxf5 Bxf5 5.Qh4+ Kg8 6.Rxf5 Nxc2 7.Rf3 leads to mate]

4.Qh4+ Kg8 5.Rxf5! d5 6.Qh6 Qxf6 7.Rxf6 +-




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