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Subject: Re: Shredder8's KRPKR usage

Author: Vincent Lejeune

Date: 11:02:27 09/11/04

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On September 11, 2004 at 13:34:46, Ernst Walet wrote:

>Hi all,
>
>Can any one confirm that Shredder8 doesn't use krpkr tablebases?
>
>[D]4k3/8/8/4r3/4P3/4R3/8/4K3 w - -
>
>Thanks,
>Ernst.


In fact
all white moves lead to draw :
Analysis by Shredder 8:

1. = (0.00): 1.Rd2 Te6 2.Td3 Txe4 3.Rc2
2. = (0.00): 1.Rf1 Te6 2.Te2 Tc6 3.Re1 Rf8 4.Td2
3. = (0.00): 1.Re2 Te6 2.Rf3 Ta6 3.Rg4 Rd7 4.Td3+ Re7 5.Td2 Tg6+ 6.Rf5 Tf6+
7.Rg5 Te6 8.Ta2 Txe4 9.Ta7+ Rd6 10.Tb7 Te5+ 11.Rf6
4. = (0.00): 1.Rf2 Te6 2.Tf3 Txe4 3.Rg3 Re7 4.Ta3 Td4 5.Ta7+ Td7 6.Ta6 Rf7 7.Rf4
Re7 8.Ta5 Td4+ 9.Rg5 Te4 10.Rf5 Td4 11.Ta7+ Td7 12.Ta6
5. = (0.00): 1.Rd1 Te6 2.Th3 Txe4 3.Rc2 Tc4+ 4.Rb3 Tc7 5.Th8+ Re7 6.Th7+ Rd6
7.Th6+ Rc5 8.Th5+ Rc6 9.Th6+ Rb5 10.Ra3 Rc5 11.Th5+ Rc6 12.Th6+ Rb5 13.Th5+ Rb6
6. = (0.00): 1.Te2 Te6 2.Th2 Txe4+ 3.Rd2 Re7 4.Rd1 Td4+ 5.Rc2 Tc4+ 6.Rb2 Tg4
7.Th3 Rd6 8.Td3+ Rc5 9.Tc3+ Rb4 10.Tb3+ Ra4 11.Ta3+ Rb5
7. = (0.00): 1.Tb3 Txe4+ 2.Rd2 Re7 3.Rc2 Rd6 4.Rd2 Re7 5.Rc2 Rd6 6.Rd2 Re7 7.Rc2
8. = (0.00): 1.Th3 Txe4+ 2.Rd2 Re7 3.Tf3 Tg4 4.Rd1 Rd6 5.Rc2 Re5 6.Te3+ Rd5
7.Td3+ Rc5 8.Tc3+ Rb5 9.Rb2 Tg2+ 10.Tc2 Txc2+ 11.Rxc2
9. = (0.00): 1.Tf3 Txe4+ 2.Rf1 Te7 3.Rg2 Te4 4.Rf1 Te7 5.Rg2 Te4 6.Rf1 Te7
10. = (0.00): 1.Td3 Txe4+ 2.Rd2 Re7 3.Rc2 Te5 4.Rb3 Tb5+ 5.Rc4 Tb6 6.Te3+ Te6
7.Td3 Re8 8.Rd5 Re7 9.Td4 Td6+ 10.Re5 Txd4 11.Rxd4
11. = (0.00): 1.Tc3 Txe4+ 2.Rd2 Re7 3.Td3 Tg4 4.Rd1 Te4 5.Rc1
12. = (0.00): 1.Ta3 Txe4+ 2.Rd1 Re7 3.Ta7+ Rd6 4.Ta6+ Rc5 5.Ta5+ Rc6 6.Ta3 Rb5
7.Rd2 Te5 8.Te3 Txe3 9.Rxe3
13. = (0.00): 1.Tg3 Txe4+ 2.Rd1 Re7 3.Tg7+ Rf6 4.Ta7 Te5 5.Rc2 Te2+ 6.Rd1 Te8




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