Author: Terry Ripple
Date: 13:34:24 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.
---------------------------
Hi Steffen,
I'am only using an AMD 266 Mhz with 64 Ram but Fritz 7 still finds the solution!
Regards,
Terry
New position
r1b2r2/pp1p1p1k/1qn2Ppp/5p2/3p4/3B1N2/PPPQ1PPP/R3R1K1 w - - 0 1
Analysis by Fritz 7:
1.Rab1 Qd8 2.Qf4 Qxf6 3.Rbd1 d5
² (0.60) depth: 6/16 00:00:00 38kN
1.Rab1 d6 2.a3 Qd8 3.Qf4 Qxf6 4.Rbd1
² (0.60) depth: 7/17 00:00:00 69kN
1.Rab1 d6 2.Bc4 Qd8 3.Rbd1 Qxf6 4.Qf4 Be6 5.Qxd6
² (0.44) depth: 8/25 00:00:01 157kN
1.Rab1 Qd8 2.Re2 Qxf6 3.Rbe1 d5 4.Qf4 Be6 5.a3
² (0.57) depth: 9/22 00:00:04 441kN
1.Qf4
² (0.60) depth: 9/22 00:00:06 609kN
1.Qf4
± (0.75) depth: 9/22 00:00:06 635kN
1.Qf4 Qxb2 2.Qh4 h5 3.Bxf5 Kg8 4.Be4 d5
± (0.82) depth: 9/23 00:00:07 682kN
1.Qf4 d6 2.Qh4 h5 3.Ng5+ Kg8 4.Rab1 Be6 5.Nxe6 fxe6 6.Rxe6 Ne5
± (0.91) depth: 10/25 00:00:11 1092kN
1.Qf4 d6 2.Qh4 h5 3.Rab1 Kg8 4.Qf4 Qd8 5.Qg5
± (1.07) depth: 11/28 00:00:27 2589kN
1.Qf4 d6 2.Qh4 h5 3.Rab1 Ne5 4.Nxe5 dxe5 5.Rxe5 Be6 6.Rb5
± (1.07) depth: 12/29 00:00:50 4808kN
1.Qf4 d5 2.Qh4 h5 3.g4 Nb4 4.gxf5 Kg8 5.fxg6 fxg6
± (1.22) depth: 13/33 00:04:00 22913kN
1.Qf4
+- (1.50) depth: 14/38 00:13:07 74941kN
1.Qf4 Nb4 2.Qh4 Kg8 3.Re5 d5 4.Bxf5 Qd6 5.Bd3 Bd7
+- (1.57) depth: 15/37 00:29:58 176070kN
1.Ng5+
+- (1.60) depth: 15/39 00:35:46 213655kN
1.Ng5+ hxg5 2.Qxg5 Nb4 3.Bxf5 Nd5 4.Be4 Qxf6 5.Qxd5
+- (1.66) depth: 15/39 00:37:25 223823kN
1.Ng5+ hxg5 2.Qxg5 Nb4 3.Re5 d5 4.Bxf5 Bxf5 5.Qh4+
+- (1.79) depth: 16/39 00:45:56 278741kN
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