Author: Vincent Diepeveen
Date: 15:29:13 10/08/00
Go up one level in this thread
On October 07, 2000 at 21:23:50, Albert Silver wrote:
>On October 07, 2000 at 10:50:11, Vincent Diepeveen wrote:
>
>>Hello here an attacking position for tiger:
>>
>>[D]2rr2k1/pp3pp1/4b3/2qNp1b1/4P3/1B1Q4/PPP5/1K3R1R w - -
>>Qf3!! Diepeveen - H.H. Hagen, corr. game
>>
>>Qf3 is a simple tactical win at the king side. Diep has no probs
>>with it and after a few hours score goes even up to nearly 2 pawns
>>for Qf3, thereby being pawns better as other moves.
>
>Simple tactical win? Are you sure? It's possible this wins, but it is hardly
>simple. Your opponent helped you greatly by playing Bxd5 allowing the very nice
>shot Bxd5 (kudos for seeing it of course). What would you have played after
>1.Qf3 Rc6 2.Qh5 Bh6 3.Qxe5 Rdc8 instead of 3...Bxd5? I didn't see any killer
>blows, but perhaps I didn't look deep enough.
>
>Still, you wished to see Tiger Gambit's attacking ability, so here is an
>impressive game played yesterday on the server. BTW, I should be fair in
>pointing out that there are plenty of counter examples of it exaggerating and
>then losing, but the game does show the enormous promise of Gambit IMO. Frankly,
>when you look at it, it's hard to believe White was played by a program.
>
>Time control was 40 min/KO (no increment)
>
>[Event "?"]
>[Site "?"]
>[Date "7/10/2000"]
>[Round "?"]
>[White "SubtleOne"]
>[Black "UltraMaster"]
>[Result "1-0"]
>[WhiteElo "2530"]
>[BlackElo "2474"]
>[Opening "E15 Queen's Indian: Nimzovich Variation"]
>
>1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb7 6.Bg2 c5 7.e4 cxd4 8.O-O d6 9.Nxd4
>Qc7 10.b3 a6 11.Bb2 Be7 12.f4 Nc6 13.Nc2 O-O 14.g4 Nd7 15.g5 Nc5 16.Rf3 e5
>17.Rh3 Bc8 18.f5 Bxg5 19.Nb1 Ne7 20.Nc3 Bf4 21.Qh5 h6 22.Nb4 Bb7 23.f6 gxf6
>24.Nbd5 Nxd5 25.Nxd5 Bxd5 26.exd5 Nd7 27.Rf1 Rfe8 28.Rxf4 exf4 29.Qxh6 Qc5+
>30.Kf1 Re1+ 31.Kxe1 Qg1+ 32.Kd2 Qxg2+ 33.Kc3 Qg7 34.Qxf4 Ne5 35.Rg3 Ng6 36.Qxd6
>Re8 37.Kd3 Qh8 38.Qc6 Rf8 39.Qxf6 Qxf6 40.Bxf6 Re8 41.d6 Re6 42.Be7 Kh7 43.Rxg6
>Rxg6 44.d7 {UltraMaster resigns} 1-0
>
>An impressive game for a program.
>
>On the other hand, it is hardly infallible, and in a 15min/KO game after saccing
>the bishop on h7 (so White is down a piece for the moment), reached the
>following position:
>
>[D]1rb2r2/p2n1pp1/4p1k1/1p1pP1N1/1nq2P2/2N5/PPP3PP/2KRQ2R w - -
>
>On a fluke of intuition, I found a stronger move than the one played by Gambit.
>The programs I tested it on take a long time to see it, so it probably makes a
>good test position. To leave you the pleasure of finding it, I placed the answer
>below in a P.S.
about 10 mins for DIEP to fail high. Quite long to research though.
Yet this is a beancounting combination.
The Qf3!! move is a bit more as just beancounting. it's about control
of the board and especially about not being a preprocessor.
Qg3 wins anyway. played at 3 ply by diep!
I'm still missing a search output at the Qf3!! position. Qf3 is
an attacking move. how's tiger doing at it?
00:00 36 (0) 1 -5.84 Ng5xf7 Qc4xf4 Kc1-b1 Kg6xf7
00:00 42 (0) 1 -3.37 Ng5xe6 f7xe6
00:00 139 (0) 1 -2.20 Ng5-f3 Nb4xa2 Nc3xa2 Qc4xa2
00:00 160 (0) 1 -2.06 Qe1-e3 Nb4xa2 Nc3xa2 Qc4xa2
00:00 289 (0) 1 -0.21 Qe1-h4
00:00 418 (0) 2 -0.42 Qe1-h4 Kg6-f5
00:00 1140 (0) 3 -0.09 Qe1-h4 Kg6-f5 Ng5-e4
++ e1-g3
00:00 4051 (0) 3 0.66 Qe1-g3 Kg6-f5 Ng5-e4
00:00 15840 (1632) 4 1.66 Qe1-g3 f7-f5 a2-a3 Nb4-a2 Nc3xa2 Qc4xa2 Ng5xe6 Kg6-f7
Ne6xg7
00:01 34337 (2309) 5 0.68 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 Ne6xf8 Kf7xf8
00:02 67109 (3150) 6 0.87 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 Ne6xf8 Nd7xf8 e5xf6 g7xf6
00:04 156510 (6400) 7 0.72 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 Ne6xf8 Kf7xf8 a2-a3 Nb4-c
00:11 566845 (11946) 8 2.01 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 f4-f5 Kf7-e8 Ne6xg7 Ke8-
8 Ng7-e6 Kd8-e7 e5xf6 Rf8xf6
00:25 1460991 (103021) 9 2.28 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 f4-f5 Rf8-g8 Rd1-d4 Nb
xa2 Kc1-d2 Qc4xd4 Ne6xd4 Na2xc3 Kd2xc3 b5-b4 Kc3-d2 Nd7xe5
00:46 3015075 (118010) 10 2.28 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 f4-f5 Rf8-g8 Rd1-d4 N
4xa2 Kc1-d2 Qc4xd4 Ne6xd4 Na2xc3 Kd2xc3 b5-b4 Kc3-d2 Nd7xe5
02:01 8226680 (270898) 11 2.87 Qe1-g3 f7-f6 Ng5xe6 Kg6-f7 f4-f5 f6xe5 Qg3xg7 Kf
-e8 Ne6xf8 Qc4-f4 Kc1-b1 Nd7xf8 Nc3xd5 Rb8-b7
07:53 32627850 (2256946) 12 2.99 Qe1-g3 f7-f5 Ng5xe6 Kg6-f7 Rd1-d4 Nb4xa2 Kc1-d
Qc4-c6 Ne6xf8 Qc6-b6 Qg3-e3 Nd7xe5 f4xe5 Na2xc3 Qe3xc3 Kf7xf8 Rd4xd5
++ d1-d4
35:50 142906770 (34467861) 12 5.05 Rd1-d4 Qc4xd4 Qe1-g3 Qd4xc3 b2xc3 Nb4xa2 Kc1
b2 f7-f6 Ng5xe6 Kg6-f7 Ne6xf8 Kf7xf8 e5xf6
42:50 172247907 (34799971) 13 5.47 Rd1-d4 Qc4xd4 Qe1-g3 Qd4xc3 b2xc3 Nb4xa2 Kc1
b2 f7-f6 Ng5xe6 Kg6-f7 Ne6xf8 Kf7xf8 e5-e6 Na2xc3 Kb2xc3
>
>
> Albert
>
>
>
>P.S. Nope, nope, the answer is a little below...
>
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>
>P.P.S. Gambit played the normal looking 1.Qg3 and did go on to win, but it
>missed a stronger, more spectacular win with 1.Rd4!!!!! Not only is White down a
>piece but now offers a rook. Amazing. :-)
>
>
>>
>>Qg3 is a draw, so is Qe2. You win a pawn with both Qg3 and Qe2 at g7,
>>but you keep left with opposite bishops and blacks king safety is ok
>>with king on e7.
>>
>>Qf3 is a simple tactical blow for example game went like:
>> Qf3 Rc6 Qh5 Bh6 Qxe5 Bxd5 Bxd5!! Qxc2+ Ka1 Rc7 a3! b5 Rxh6 and my opponent
>>resigned a move later (note there are several different wins after gxh6)
>>
>>I think next programs for sure have no problems finding
>>Qf3:
>> Diep, The King, LambChop, ZarkovX, Crafty
>>
>>Not sure about other programs. with search depths above 10 ply nowadays
>>it should be peanut
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