Author: John Merlino
Date: 12:39:10 09/01/02
Go up one level in this thread
On September 01, 2002 at 00:18:00, Steffen Jakob wrote:
>Hi,
>
>usually programmers don't post positions of their own games (except Vincent ;)
>for good reasons. Yesterday I played a bullet (!) game at ICC in which I saced a
>knight which won that game. After the game I wanted to find out if this was
>correct. Usually this isn't the case. Fritz didn't consider my move, but after a
>post mortem analysis (also with the help of Alex Kure) I think that Ng5+ leads
>to the most convincing winning line in this positions.
>
>Please start your engines/brains, gentlemen!
>
>[D]r1b2r2/pp1p1p1k/1qn2Ppp/5p2/3p4/3B1N2/PPPQ1PPP/R3R1K1 w - - 0 1
>
>Here is the analysis:
>
>[Event "ICC 1 0"]
>[Site "Internet Chess Club"]
>[Date "2002.08.31"]
>[White "Yobes"]
>[Black "N.N."]
>[Result "1-0"]
>[ICCResult "Black checkmated"]
>[WhiteElo "1603"]
>[BlackElo "1503"]
>[Opening "Robatsch (modern) defense"]
>[SetUp "1"]
>[FEN "r1b2r2/pp1p1p1k/1qn2Ppp/5p2/3p4/3B1N2/PPPQ1PPP/R3R1K1 w - - 0 1"]
>[Time "14:44:28"]
>[TimeControl "60+0"]
>
>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
>
>Greetings,
>Steffen.
Chessmaster 9000 surprised even me on this one, finding Ng5+ after nine seconds
on a PIII-733:
Time Depth Score Positions Moves
0:00 1/3 0.36 1202 1.c3 d5 2.Rac1 Bd7
0:00 1/4 0.36 3936 1.c3 d5 2.Rac1 Bd7
0:00 1/5 0.29 13775 1.c3 d5 2.Rac1 Bd7 3.cxd4 Nxd4
4.Nxd4 Qxd4
0:01 1/6 0.37 42582 1.c3 d5 2.Rac1 Bd7 3.cxd4 Nxd4
4.Ne5
0:01 1/6 0.47 60765 1.Rab1 Qc5 2.Rbc1 d6 3.c3 dxc3
4.Rxc3
0:03 1/7 0.28 167503 1.Rab1 d5 2.b4 a6 3.c3 Be6 4.a4
0:06 1/8 0.30 408708 1.Rab1 d5 2.b4 a6 3.b5 axb5 4.Rxb5
Qd8
0:09 1/8 0.58 644169 1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5
4.Be4 Nxf6 5.Bxg6+ Kh8 6.Qh6+ Kg8
7.Bd3
0:17 1/9 0.60 1282941 1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5
4.Be4 Nxf6 5.Bxg6+ Kh8 6.Re7 Qd6
7.Rxf7 Rxf7 8.Bxf7
0:34 1/10 0.73 2740804 1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5
4.Be4 Nxf6 5.Bxg6+ Kh8 6.Re7 d5
7.Bxf7
1:19 2/11 0.70 6598127 1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5
4.Be4 Nxf6 5.Bxg6+ Kh8 6.Re7 Nh7
7.Bxh7 Kxh7 8.Qh4+ Kg8 9.Rd1 Qxb2
10.Rxd4
5:24 3/12 1.84 29498613 1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5
4.Be4 Qxf6 5.Qxd5 Qb6 6.Qg5 Kg7
7.Rad1 Qxb2
jm
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