Author: Walter Ravenek
Date: 01:10:24 10/07/97
Go up one level in this thread
On October 04, 1997 at 12:42:05, Ed Schröder wrote:
>I have taken some more difficult tactical positions from my database.
>
>I call the set CCC-II
>
>Rules...
>1.. Program should find the complete solution within 10 minutes.
>2.. "am" means avoid move (move to avoid)
>3.. "bm" means best move (move to find)
>
>The 11 positions...
>
>3rr1k1/1b1q1p1p/p2b1npB/2pP4/1p2n3/4N1P1/PPQ1NPBP/R2R2K1 b - - id
>Hoogovens - Zviaginsev; bm Nxf2!;
>7Q/kp3ppp/8/8/q3p3/P5PP/5b2/R1R3K1 w - - am Kxf2?;
>r5k1/1bbq1ppp/p6r/P1Nnp3/1p1B4/5B2/1PPQ2PP/R4R1K b - - bm Rxh2+;
>1k4r1/3r1p1q/1p2pQpP/pPp1P1B1/P1Pp2P1/3P1R2/2n1KR2/8 w - - bm Qxf7!;
>1r3kr1/2p2p2/2Q4p/1NPPbp2/4p2q/6P1/5P1P/3RR1K1 w - - am Nxc7?;
>r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq - Nxe6;
>r1bqk2r/pp4p1/2pb1n2/3p1p2/2PPp3/PP2P1P1/3N2BP/RN1QR1K1 b kq - bm Rxh2;
>r3r1k1/1b2qppp/pp1b4/3p1BPP/2pPn3/2N1PN2/PPQ2P2/2K3RR w - - bm Bxh7+;
>r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - - bm Nf6+;
>r4r1k/2qbnpbp/p2p2p1/nppPp1N1/4P1PP/2P1N3/PPBBQP1K/R5R1 w - - Nf5;
>1rr3k1/2q1ppb1/p2pbnp1/6Q1/1p1BP1P1/P1N2P2/1PP4R/2K2B1R w - - bm Qh6!;
The EPD of the test posted by Ed contains some minor errors.
This is the improved version:
3rr1k1/1b1q1p1p/p2b1npB/2pP4/1p2n3/4N1P1/PPQ1NPBP/R2R2K1 b - - bm Nxf2;
7Q/kp3ppp/8/8/q3p3/P5PP/5b2/R1R3K1 w - - am Kxf2;
r5k1/1bbq1ppp/p6r/P1Nnp3/1p1B4/5B2/1PPQ2PP/R4R1K b - - bm Rxh2+;
1k4r1/3r1p1q/1p2pQpP/pPp1P1B1/P1Pp2P1/3P1R2/2n1KR2/8 w - - bm Qxf7;
1r3kr1/2p2p2/2Q4p/1NPPbp2/4p2q/6P1/5P1P/3RR1K1 w - - am Nxc7;
r1b1kb1r/1p1n1ppp/p2ppn2/6BB/2qNP3/2N5/PPP2PPP/R2Q1RK1 w kq - bm Nxe6;
r1bqk2r/pp4p1/2pb1n2/3p1p2/2PPp3/PP2P1P1/3N2BP/RN1QR1K1 b kq - bm Rxh2;
r3r1k1/1b2qppp/pp1b4/3p1BPP/2pPn3/2N1PN2/PPQ2P2/2K3RR w - - bm Bxh7+;
r1bq1rk1/1p2bppp/p3p3/n3P3/4N3/1P1P1N2/PB4PP/R3QR1K w - - bm Nf6+;
r4r1k/2qbnpbp/p2p2p1/nppPp1N1/4P1PP/2P1N3/PPBBQP1K/R5R1 w - - bm Nf5;
1rr3k1/2q1ppb1/p2pbnp1/6Q1/1p1BP1P1/P1N2P2/1PP4R/2K2B1R w - - bm Qh6;
Summary of the results so far:
=====================================================================
CCC-II 1 2 3 4 5 6 7 8 9 10 11
bm am bm bm am bm bm bm bm bm bm
Nxf2 Kxf2 Rxh2 Qxf7 Nxc7 Nxe6 Rxh2 Bxh7 Nf6+ Nf5 Qh6
=====================================================================
6 Fritz5 0:47 ---- 0:35 ---- 1:34 ---- 2:00 0:48 7:57 ---- ----
1 Arthur ---- ---- ---- ---- 0:58 ---- ---- ---- ---- ---- ----
=====================================================================
Walter Ravenek
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