Author: Vincent Setterholm
Date: 02:12:03 06/11/00
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On June 11, 2000 at 03:44:10, Vincent Setterholm wrote: >I was running Chessbase 7 with Fritz 6a running analysis. I have the Endgame >Turbo CD's installed on my harddrive. I ran into a three piece endgame position >where Fritz gave really messed up analysis. > >Black king on c1. White king on C3. White rook on a5. White to move. Ra1 is >mate. > >Fritz called that position a mate in three. The move before this one Fritz >correctly called a mate in 2, but once the proper moves were made, its analysis >got all goofy. > >When I go directly into Fritz (not in Chessbase) I cannot duplicate this >problem. It sees Ra1 right away. > >Any ideas as to what is going on? > >Thanks! I was incorrect when I stated that Fritz called the above position Mate in 3. It calls the possition a mate in 2, when if you follow it's suggested move, it is actually a mate in 3. But it gets worse. The following is a transcript of a variation I played out, following Fritz's best reccommendation for moves: 1. Rb5 Kd1. 2. Re5 Kc1. 3. Rd5 Kb1. 4. Ra5 Kc1. 5. Rb5 Kd1. 6. Re5 Kc1. 7. Rd5 Kb1. 8. Ra5 Kc1. 9. Rb5 Kd1. 10. Re5 Kc1. 11. Rd5 Kb1. 12. Ra5 Kc1. 13. Rb5 Kd1. 14. Re5 Kc1. 15. Rd5 Kb1. 16. Ra5 Kc1. Fritz NEVER went in for the kill. It just kept seeing mates 2 moves out. Black can draw by threefold repetition or by the 50 move rule! Anyone have ideas as to what's happening here? >Vince.
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