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Subject: Re: A test position from my game in the chessbase server

Author: Dan Ellwein

Date: 15:45:30 05/25/04

Go up one level in this thread


On May 25, 2004 at 18:00:57, Uri Blass wrote:

>Here is the game and a position that my opponent blundered
>
>[Event "Rated game, 3m + 0s"]
>[Site "Main Playing Hall"]
>[Date "2004.05.25"]
>[Round "?"]
>[White "Uri_Blass"]
>[Black "BoDiddley"]
>[Result "1-0"]
>[ECO "B00"]
>[WhiteElo "1902"]
>[BlackElo "1869"]
>[PlyCount "27"]
>[EventDate "2004.04.30"]
>[TimeControl "180"]
>
>1. e4 {[%emt 0:00:02]} b6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:01]} Bb7 {
>[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} e6 {[%emt 0:00:00]} 4. Nf3 {
>[%emt 0:00:01]} d5 {[%emt 0:00:01]} 5. exd5 {[%emt 0:00:08]} exd5 {
>[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:05]} 7. Qe2+ {
>[%emt 0:00:02]} Ne7 {[%emt 0:00:03]} 8. O-O {[%emt 0:00:00]} c6 {[%emt 0:00:01]
>} 9. Bg5 {[%emt 0:00:06]} O-O {[%emt 0:00:02]} 10. Ne5 {[%emt 0:00:03]} f6 {
>[%emt 0:00:03]} 11. Qh5 {[%emt 0:00:16]} Bxe5 {[%emt 0:00:33]} 12. Bxh7+ {
>[%emt 0:00:08]} Kh8 {[%emt 0:00:02]} 13. Bg6+ {[%emt 0:00:03]} Kg8 {
>[%emt 0:00:02]} 14. Qh7# {
>(Lag: Av=0.62s, max=2.6s) BoDiddley gibt auf [%emt 0:00:01]} 1-0
>
>
>
>Uri_Blass - BoDiddley, Rated game, 3m + 0s 2004
>[D]rn1q1rk1/pb2nppp/1ppb4/3pN1B1/3P4/2NB4/PPP1QPPP/R4RK1 b - - 0 1

hi Uri,

CM9_OffSet likes c5 in this position...

P3/850

Time	Depth	Score	Positions	Moves
0:00	Book	0.00	0		1...c5
----	----	----	----		----
0:00	1/3	-1.11	2294		1...f6 2.Qh5 Bxe5 3.Qxh7+ Kf7 4.dxe5
					fxg5
0:00	1/4	-1.49	7734		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Be3
					exd4 5.Qh7+ Kf7 6.Bxd4
0:00	1/5	-1.61	38177		1...f6 2.Nc4 dxc4 3.Bxc4+ Nd5 4.Bd2
					Re8
0:02	1/6	-1.47	140198		1...f6 2.Qh5 h6 3.Bd2 fxe5 4.dxe5
					Bb4 5.Qg4
0:03	1/7	-1.22	304463		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Bxg7
					Kxg7 5.dxe5 Rh8 6.Qg5+ Kf8 7.exd6
					Qxd6
0:07	1/8	-0.43	627567		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Bxg7
					Kxg7 5.dxe5 Bxe5 6.Qxe5+ Rf6 7.Qg5+
					Kf7 8.Rae1 Nd7
0:16	1/8	-0.50	1294749		1...h6 2.Bf4 c5 3.Nb5 c4 4.Nxd6
					Qxd6 5.Ng6 cxd3 6.Nxe7+ Kh8
0:50	1/9	-0.51	3826677		1...h6 2.Bf4 f6 3.Ng6 Nxg6 4.Qe6+
					Kh8 5.Bxd6 Bc8 6.Qe3 Qxd6 7.Bxg6
2:00	1/10	-0.41	9390852		1...h6 2.Bxh6 Bxe5 3.dxe5 gxh6
					4.Qg4+ Ng6 5.Bxg6 Qg5 6.Bf5 Qxg4
					7.Bxg4
2:31	1/10	-0.72	12433985	1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Bxg7
					Kxg7 5.dxe5 Bxe5 6.Qxe5+ Rf6 7.Qg5+
					Kf7 8.Rae1 Nd7 9.Qh5+ Kf8 10.Qh8+
					Ng8
4:41	1/11	-0.29	23615456	1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Bxg7
					Kxg7 5.dxe5 Bxe5 6.Qg5+ Kf7 7.Qxe5
					Ke8 8.Rae1 Rf7 9.Qh8+ Kd7
6:29	1/11	-0.39	33301386	1...h6 2.Bxh6 Bxe5 3.dxe5 gxh6
					4.Qg4+ Ng6 5.Bxg6 Qg5 6.Bf5 Qxg4
					7.Bxg4 Bc8
13:31	1/11	-0.66	67348268	1...c5 2.Qh5 f5 3.Nb5 cxd4 4.Nxd6
					Qxd6 5.Bxe7 Qxe7 6.Bxf5 g5 7.Ng4
					Kh8 8.Rae1 Qf7
28:21	1/12	-0.63	148114828	1...c5 2.Qh5 f5 3.Rae1 cxd4 4.Nb5
					Bb4 5.Re2 Bc5 6.Bxe7 Qxe7 7.Bxf5
					g6 8.Nxg6 hxg6 9.Rxe7 gxh5 10.Bh7+
					Kh8 11.Rxb7
Dan



>
>Analysis by Fritz 8:
>
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 6/28   00:00:00  120kN
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 7/29   00:00:00  183kN
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 8/25   00:00:00  307kN
>10...f6--
>  µ  (-0.78)   Depth: 9/24   00:00:02  550kN
>10...f6 11.Qh5 h6
>  µ  (-0.78)   Depth: 9/39   00:00:04  1298kN
>10...f6--
>  ³  (-0.50)   Depth: 10/26   00:00:05  1657kN
>10...f6 11.Qh5 h6 12.Bxh6 fxe5
>  =  (0.19)   Depth: 10/35   00:00:08  2545kN
>10...f6 11.Qh5 h6 12.Bxh6 fxe5 13.dxe5 gxh6 14.Qxh6 Rf7 15.exd6
>  =  (0.19)   Depth: 11/31   00:00:22  8291kN
>10...f6 11.Qh5 g6 12.Nxg6 hxg6 13.Bxg6 Nxg6 14.Qxg6+
>  ²  (0.28)   Depth: 12/35   00:00:47  17936kN
>10...f6 11.Qh5 g6 12.Nxg6 hxg6 13.Bxg6 Nxg6 14.Qxg6+
>  ²  (0.47)   Depth: 13/34   00:01:53  45413kN
>10...Qc7!
>  ²  (0.44)   Depth: 13/38   00:05:41  142283kN
>10...Qc7 11.Qh5 Ng6 12.f4 Ba6 13.Rf3 Bxd3 14.Nxd3 Re8 15.f5 Nf8
>  ²  (0.34)   Depth: 13/40   00:08:53  220715kN
>
>(Blass, Tel-Aviv 25.05.2004)
>
>Note that I did not prove that f6 is losing in all lines but analysis suggest
>that white has a clear advantage after f6.
>
>Here is more analysis and the game in less clean pgn.
>
>
>[Event "Rated game, 3m + 0s"]
>[Site "Main Playing Hall"]
>[Date "2004.05.25"]
>[Round "?"]
>[White "Uri_Blass"]
>[Black "BoDiddley"]
>[Result "1-0"]
>[ECO "B00"]
>[WhiteElo "1902"]
>[BlackElo "1869"]
>[PlyCount "27"]
>[EventDate "2004.04.30"]
>[TimeControl "180"]
>
>1. e4 {[%emt 0:00:02]} b6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:01]} Bb7 {
>[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} e6 {[%emt 0:00:00]} 4. Nf3 {
>[%emt 0:00:01]} d5 {[%emt 0:00:01]} 5. exd5 {[%emt 0:00:08]} exd5 {
>[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:05]} 7. Qe2+ {
>[%emt 0:00:02]} Ne7 {[%emt 0:00:03]} 8. O-O {[%emt 0:00:00]} c6 {[%emt 0:00:01]
>} 9. Bg5 {[%emt 0:00:06]} O-O {[%emt 0:00:02]} 10. Ne5 {[%emt 0:00:03]} f6 {
>[%emt 0:00:03]} 11. Qh5 {[%emt 0:00:16]} Bxe5 {[%emt 0:00:33]} (11... h6 12.
>Bxh6 fxe5 (12... gxh6 13. Qxh6 f5 14. Qg5+ Kh7 15. f4 Bxe5 16. dxe5 Ng6 17.
>Qh5+ Kg7 18. Bxf5 Qe8 (18... Rxf5 19. Qxf5) 19. Rf3) 13. Bg5 Rf6 (13... e4 14.
>Nxe4 Ba6 (14... g6 15. Qh6) 15. Nxd6 Bxd3 16. Qh4 Qxd6 (16... Ng6 17. Qg3 Nf4
>18. Bxf4 Bxf1 19. Bg5) 17. Bxe7 Qf4 18. cxd3) 14. Bxf6 gxf6 15. Qh7+ Kf8 16. f4
>) (11... g6 12. Nxg6 Nxg6 (12... hxg6 13. Bxg6 Nxg6 14. Qxg6+ Kh8 15. Qh5+ Kg8
>16. Bh6) 13. Bxg6 Qe7 14. Bh6 hxg6 15. Qxg6+ Kh8 16. Bxf8 Qxf8 17. Rfe1) 12.
>Bxh7+ {[%emt 0:00:08]} Kh8 {[%emt 0:00:02]} 13. Bg6+ {[%emt 0:00:03]} Kg8 {
>[%emt 0:00:02]} 14. Qh7# {
>(Lag: Av=0.62s, max=2.6s) BoDiddley gibt auf [%emt 0:00:01]} 1-0
>
>Uri



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