Author: Christophe Theron
Date: 19:26:03 10/08/00
Go up one level in this thread
On October 08, 2000 at 18:29:13, Vincent Diepeveen wrote: >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. You should consult about your preprocessor obsession. Looks like it's getting worse month after month. >Qg3 wins anyway. played at 3 ply by diep! What a smart program you have. >I'm still missing a search output at the Qf3!! position. Qf3 is >an attacking move. how's tiger doing at it? Here is the output after Qf3: N6 0.32s Qf8 Qh5 Bh6 Rfg1 Kh7 Qxe5 -3.22 N7 2.30s Rc6 Qh5 Bh6 Nf6+ Kh8 Ba4 b5 Bb3 Bxb3 cxb3 Rxf6 Rxf6 -3.69 N7 2.80s Bh6 Qh5 Kf8 Qxe5 Re8 Qh5 Qd4 -3.34 N8 4.00s Bh6 Qh5 Rc6 Rfg1 Kf8 Qxe5 Rdc8 Rg2 -3.30 N9 7.57s Bh6 Qh5 Rc6 Qh4 Ra8 Ne7+ Kf8 Nxc6 Bxb3 cxb3 Qxc6 -3.50 N10 20.70s Bh6 Qh5 Rc6 Qh4 Ra8 Ne7+ Kf8 Nxc6 Bxb3 cxb3 Qxc6 -3.50 N11 50.25s Bh6 Qh5 Kf8 Qxe5 Kg8 Rfg1 Kf8 Rg2 Ke8 Rxh6 gxh6 Nf6+ Ke... -3.80 N12 216.79s Bh6 Qg3 Bxd5 exd5 Qe3 Qh2 Rc7 Rfg1 Kh7 d6 Rxd6 Qh5 Kg8 -3.76 N13 640.21s Bh6 Qg3 Bxd5 exd5 Qd6 Qf3 Bf4 Qh5 Qh6 Qf5 Qg5 Qh7+ Kf8 ... -3.70 And here is the output after Qg3: N6 0.33s Bxd5 exd5 Bf4 Qh4 Bh6 Qh5 Qf8 Qxe5 -4.54 N7 0.50s Bxd5 exd5 -4.54 N8 1.10s Bxd5 exd5 Bf4 Qh4 Bh6 Qh5 Qf8 d6 Rd7 Qxe5 -4.80 N9 3.68s Bxd5 exd5 Bf4 Qd3 Kf8 d6 Qxd6 Qxd6+ Rxd6 Rh8+ Ke7 Rxc8 ... -3.94 N10 26.48s Bxd5 exd5 Bf4 Qd3 Kf8 d6 Qxd6 Qxd6+ Rxd6 Rh8+ Ke7 Rxc8 ... -4.16 N11 62.56s Bxd5 exd5 Bf4 Qd3 Kf8 d6 Qxd6 Qxd6+ -4.16 N12 203.89s Bxd5 exd5 Bf4 Qg4 Qd6 Rfg1 g6 Qh4 Kf8 Rg4 b5 Rg2 Qb4 -4.26 N13 564.64s Bxd5 exd5 Bf4 Qg4 Qd6 Rfg1 g6 Qh4 Kf8 a3 g5 Rxg5 Bxg5 Q... -4.06 So Qg3 looks better, by a small margin... Christophe
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.