Author: Anatoli
Date: 13:42:32 02/07/00
Dear Chessfriends ! Dear Frideric ! I think I found an unpleasant bug in the new Fritz-6 engine. And you are the only one representative of ChessBase who can quickly react and give an answer. Plus you know people who develop Fritz and you can get in touch with them about it. And the problem is next. One of my favorite function is Analyze games. Normally I give Fritz 90 sec. per move and it analyze 2 or 3 my games overnight. It is a good fun and I use it mostly to find mistakes in my games over the board. It can't find deep position solutions but very often it shows me some good tactical solutions which I missed. Before I tried Fritz 5 and 5.32, Hiarcs 7.32, Junior-5 and Nimzo-99 engines for such analyzes and everything worked OK. A couple of days ago I won an interesting e-mail game against a strong German master. The game was so incredible that I decided to send it to the Chess Informant. But before that I wanted to check some tactics with Fritz and other engines. Here you can find this game. Hiarcs 7.32 and Fritz 5.32 analyze this game with 120 sec. per move without any problems as normally. It took each of them about 4 hours for the job. But of course they didn't see any of my ideas during the game and their help was very small. I have ordered Junior-6 upgrade from ChessBase and it will arrive since day to day, so I'll try it later. Then I wanted to analyze this game with my favorite Fritz-6a engine. In the morning I switched the monitor on and I found that Fritz crushed and the screen was frozen in the middle of the game and there was such information : The program has performed an illegal operation and will be shut down. In Details I read that Fritz6 caused an invalid fault an module Fritz6. EXE at 014f:0057e859. Of course I was a bit upset and wanted to repeat the analyze. But there was another problem - when I wanted to close Fritz6 that sign "The program has perform illegal operation.." didn't disappear. I could press Close button hundreds of time with the same result. So, I restarted the Windows but I couldn't do it also ! The only way was to press Reset button and to run Scan and so on. I thought it was just a coincident and I repeated analyses once more. But there was the same result ! And what is the most interesting Fritz is frozen on the same move 28...c2 and doesn't go any further ! This night I repeated the analyses for the third time, but once more the screen was frozen at the same 28...c2 move. Dear Frideric ! Could you please solve this puzzle ? Of course I sent this problem to ChessBase but there was not enough space to report everything including the game. I hope you are OK. I wish some more health ! [Event "CLO-2000.01"] [Site "IECC"] [Date "1999.11.23"] [Round "1"] [White "Bergman Michael, "] [Black "Sirota, Anatoli"] [Result "0-1"] 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Qg4 Ne7 8.bxa5 dxc3 9.Qxg7 Rg8 10.Qxh7 Nbc6 11.Nf3 Qc7 12.Bf4 Bd7 13.a6 O-O-O 14.axb7+ Kb8 15.Qd3 d4 16.Rb1 Rg4 17.Bg3 Nf5 18.Be2 Na5 19.O-O Bc6 20.Rb4 Bd5 21.Rfb1 Be4 22.Qd1 Nc6 23.Rb5 d3 24.cxd3 Ncd4 25.Ne1 Rxg3 26.hxg3 Nxb5 27.Rxb5 Nd4 28.Rb4 c2 29.Nxc2 Nxe2+ 30.Qxe2 Bxd3 31.Qg4 Qxc2 32.Qh4 Qc7 33.Kh2 a5 34.Rb2 Rd5 35.Qh8+ Qd8 36.Qg7 Rd7 37.Qg4 Ba6 38.Qh4 Bxb7 39.Rb5 Qc7 40.a4 Ka7 41.Qh6 Qc3 42.Qf8 f5 0-1 Maybe somebody else can analize this game on your computer and we'll see if it happen too. With my best wishes Anatoli Sirota sirota@chessnet.com.au With best wishes
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