White mates in 205?

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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

chest can verify the mate in 41 from 166.Kf2 easily

FEN: k7/7R/1QR1P2Q/8/1RQ3r1/6K1/8/8 w - - 6 166

ChestUCI:
FEN: k7/7R/1QR1P2Q/8/1RQ3r1/6K1/8/8 w - - (8+2)
Stellungs-Analyse: C0/R0/K1/P1/X10 W:2/6
Suche nach Matt in 126 ... (Hash=2044MB)
41 00:57 63,687k 1,341k +M41 Kg3-f2
Suche abgeschlossen ... (Zeit=57.06s)
Matt in 41 gefunden ! (1 Lösung in 00:57)
41/41 00:57 76,456k 1,340k +M41 Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

I thought mate in 45 is going to take chest more time but the same time

FEN: k7/3PKr1R/1QR1P2Q/8/1RQ5/8/8/8 w - - 2 162

ChestUCI:
FEN: k7/3PKr1R/1QR1P2Q/8/1RQ5/8/8/8 w - - (9+2)
Stellungs-Analyse: C0/R0/K1/P1/X10 W:3/6
Suche nach Matt in 126 ... (Hash=2044MB)
45 00:56 67,627k 1,364k +M45 Ke7-d6
Suche abgeschlossen ... (Zeit=56.97s)
Matt in 45 gefunden ! (1 Lösung in 00:56)
45/45 00:56 76,482k 1,343k +M45 Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

mate in 55 is also easy for chest

FEN: k7/3PB2R/1QR1P2Q/8/1RQ5/3r4/8/3K4 w - - 36 152

ChestUCI:
FEN: k7/3PB2R/1QR1P2Q/8/1RQ5/3r4/8/3K4 w - - (10+2)
Stellungs-Analyse: C0/R0/K1/P1/X13 W:3/6
Suche nach Matt in 126 ... (Hash=2044MB)
55 00:56 72,107k 1,350k +M55 Qh6-d2
55 00:57 72,107k 1,350k +M55 Kd1-e1
55 00:57 72,107k 1,350k +M55 Kd1-e2
Suche abgeschlossen ... (Zeit=57.02s)
Matt in 55 gefunden ! (3 Lösungen in 00:57)
55/55 00:57 76,876k 1,348k +M55 Kd1-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
55/55 00:57 76,876k 1,348k +M55 Kd1-e1 Rd3-e3+ Ke1-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
55/55 00:57 76,876k 1,348k +M55 Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

mate in 61 is also easy for chest

FEN: k7/3PB2R/1QR1P2Q/8/1RQ5/8/1r6/1K6 w - - 24 146

ChestUCI:
FEN: k7/3PB2R/1QR1P2Q/8/1RQ5/8/1r6/1K6 w - - (10+2)
Stellungs-Analyse: C0/R0/K1/P1/X10 W:2/4
Suche nach Matt in 126 ... (Hash=2044MB)
61 00:56 72,106k 1,353k +M61 Kb1-a1
Suche abgeschlossen ... (Zeit=56.94s)
Matt in 61 gefunden ! (1 Lösung in 00:56)
61/61 00:56 76,877k 1,350k +M61 Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

mate in 80
It is strange that chest jumps in the iteration fast in the last seconds and I wonder if chest use selective search after some iteration.


FEN: k7/3PB2R/1QR1P2Q/7R/1RQ5/4r3/8/4K3 w - - 38 127

ChestUCI:
FEN: k7/3PB2R/1QR1P2Q/7R/1RQ5/4r3/8/4K3 w - - (11+2)
Stellungs-Analyse: C0/R0/K1/P1/X12 W:4/7
Suche nach Matt in 126 ... (Hash=2044MB)
80 00:57 77,310k 1,345k +M80 Ke1-f1
Suche abgeschlossen ... (Zeit=57.97s)
Matt in 80 gefunden ! (1 Lösung in 00:57)
80/80 00:57 77,727k 1,341k +M80 Ke1-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Rh5-f5 Rf4xf5+ Kf6-g6 Rf5-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+
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Uri Blass
Posts: 10896
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: White mates in 205?

Post by Uri Blass »

mate in 100 by chest
I clearly saw chest jumps from depth 40 to 42 and 100 very fast.

FEN: k7/3PBB1R/1QR1PK1Q/7R/1RQ2r2/8/8/8 w - - 18 107

ChestUCI:
FEN: k7/3PBB1R/1QR1PK1Q/7R/1RQ2r2/8/8/8 w - - (12+2)
Stellungs-Analyse: C0/R0/K1/P1/X10 W:4/7
Suche nach Matt in 126 ... (Hash=2044MB)
100 00:59 77,598k 1,328k +M100 Kf6-g7
Suche abgeschlossen ... (Zeit=59.24s)
Matt in 100 gefunden ! (1 Lösung in 00:59)
100/100 00:59 78,321k 1,322k +M100 Kf6-g7 Rf4xf7+ Kg7-g6 Rf7-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Rh5-f5 Rf4xf5+ Kf6-g6 Rf5-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e1 Rd3-e3+ Qc4-e2 Re3xe2+ Ke1-f1 Re2-f2+ Kf1-g1 Rf2-g2+ Kg1-h1 Rg2-g1+ Kh1-h2 Rg1-h1+ Kh2-g3 Rh1-g1+ Kg3-h4 Rg1-h1+ Kh4-g5 Rh1-g1+ Rb4-g4 Rg1xg4+ Kg5xg4 Ka8-b8 e6-e7 Kb8-a8 e7-e8Q+

mate in 120

FEN: k7/3PBB1R/1QR1P2Q/4P2R/1RQ5/8/8/Kr6 w - - 24 87

ChestUCI:
FEN: k7/3PBB1R/1QR1P2Q/4P2R/1RQ5/8/8/Kr6 w - - (13+2)
Stellungs-Analyse: C0/R0/K1/P1/X10 W:2/3
Suche nach Matt in 126 ... (Hash=2044MB)
120 01:04 85,213k 1,320k +M120 Ka1-a2
Suche abgeschlossen ... (Zeit=64.90s)
Matt in 120 gefunden ! (1 Lösung in 01:04)
120/120 01:04 85,506k 1,318k +M120 Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-d5 Re3xe5+ Kd5-d4 Re5-d5+ Kd4-e3 Rd5-d3+ Ke3-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Kf6-g7 Rf4xf7+ Kg7-g6 Rf7-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Rh5-f5 Rf4xf5+ Kf6-g6 Rf5-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d1 Rc3-d3+ Qh6-d2 Rd3xd2+ Kd1-c1 Rd2-c2+

mate in 126

FEN: k7/3PBB1R/1QR1P2Q/4P2R/1RQ5/8/6r1/6K1 w - - 12 81

ChestUCI:
FEN: k7/3PBB1R/1QR1P2Q/4P2R/1RQ5/8/6r1/6K1 w - - (13+2)
Stellungs-Analyse: C0/R0/K1/P1/X14 W:1/3
Suche nach Matt in 126 ... (Hash=2044MB)
126 01:04 85,097k 1,338k +M126 Kg1-f1
Suche abgeschlossen ... (Zeit=64.07s)
Matt in 126 gefunden ! (1 Lösung in 01:04)
126/126 01:04 85,500k 1,334k +M126 Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-d5 Re3xe5+ Kd5-d4 Re5-d5+ Kd4-e3 Rd5-d3+ Ke3-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Kf6-g7 Rf4xf7+ Kg7-g6 Rf7-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-g2 Re1-g1+ Kg2-f3 Rg1-g3+ Kf3-f4 Rg3-g4+ Kf4-e5 Rg4-e4+ Ke5-f6 Re4-f4+ Rh5-f5 Rf4xf5+ Kf6-g6 Rf5-f6+ Kg6-g5 Rf6-f5+ Kg5-g4 Rf5-f4+ Kg4-g3 Rf4-f3+ Kg3-g2 Rf3-f2+ Kg2-h1 Rf2-h2+ Kh1-g1 Rh2-g2+ Kg1-f1 Rg2-f2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+ Ka2-a3 Rb2-a2+ Ka3-b3 Ra2-a3+ Kb3-c2 Ra3-c3+ Kc2-d2 Rc3-d3+ Kd2-e2 Rd3-e3+ Ke2-f1 Re3-e1+ Kf1-f2 Re1-f1+ Kf2-e3 Rf1-f3+ Ke3-e4 Rf3-e3+ Ke4-f5 Re3-e5+ Kf5-g6 Re5-g5+ Kg6-f7 Rg5-f5+ Be7-f6 Rf5xf6+ Kf7-e7 Rf6-f7+ Ke7-d6 Rf7xd7+ Kd6-e5 Rd7-d5+ Ke5-f4 Rd5-d4+ Kf4-g3 Rd4-g4+ Kg3-f2 Rg4-g2+ Kf2-f3 Rg2-g3+ Kf3-f4 Rg3-f3+ Kf4-e5 Rf3-f5+ Ke5-e4 Rf5-e5+ Ke4-f3 Re5-e3+ Kf3-g2 Re3-g3+ Kg2-f1 Rg3-f3+ Qb6-f2 Rf3xf2+ Kf1-e1 Rf2-e2+ Ke1-d1 Re2-d2+ Kd1-c1 Rd2-c2+ Kc1-b1 Rc2-b2+ Kb1-a1 Rb2-b1+ Ka1-a2 Rb1-b2+

I could see chest jumped from depth 43 to depth 51 to depth 87 and to depth 126 very fast.

I suspect based on chest parameters that it cannot find mates that are longer than 126 moves.
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peter
Posts: 3410
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: White mates in 205?

Post by peter »

Hobacle wrote: ↑Sun Jul 30, 2023 10:14 pm The intended solution:
[pgn][Date "2023.07.29"] [Result "1-0"] [FEN "k7/3PBB1R/1QR1P1NQ/3NP1KR/1RQ4R/5r2/8/8 b - - 0 1"] [SetUp "1"] 1... Rf5+ 2. Kg4 Rf4+ 3. Kh3 Rf3+ 4. Kh2 Rf2+ 5. Kh1 Rh2+ 6. Kg1 Rg2+ 7. Kf1 Rf2+ 8. Ke1 Re2+ 9. Kd1 Rd2+ 10. Kc1 Rc2+ 11. Kb1 Rb2+ 12. Ka1 Rb1+ 13. Ka2 Rb2+ 14. Ka3 Ra2+ 15. Kb3 Ra3+ 16. Kc2 Rc3+ 17. Kd1 Rd3+ 18. Ke1 Re3+ 19. Kf1 Re1+ 20. Kg2 Rg1+ 21. Kf3 Rg3+ 22. Ke4 Re3+ 23. Kf5 Rf3+ 24. Ngf4 Rxf4+ 25. Kg6 Rf6+ 26. Kg5 Rf5+ 27. Kg4 Rf4+ 28. Kh3 Rf3+ 29. Kh2 Rf2+ 30. Kh1 Rh2+ 31. Kg1 Rg2+ 32. Kf1 Rf2+ 33. Ke1 Re2+ 34. Kd1 Rd2+ 35. Kc1 Rc2+ 36. Kb1 Rb2+ 37. Ka1 Rb1+ 38. Ka2 Rb2+ 39. Ka3 Ra2+ 40. Kb3 Ra3+ 41. Kc2 Rc3+ 42. Kd1 Rd3+ 43. Ke1 Re3+ 44. Kf1 Re1+ 45. Kg2 Rg1+ 46. Kf3 Rg3+ 47. Ke4 Re3+ 48. Kf5 Rf3+ 49. Rf4 Rxf4+ 50. Kg6 Rf6+ 51. Kg5 Rf5+ 52. Kh4 Rf4+ 53. Kh3 Rf3+ 54. Kh2 Rf2+ 55. Kh1 Rh2+ 56. Kg1 Rg2+ 57. Kf1 Rf2+ 58. Ke1 Re2+ 59. Kd1 Rd2+ 60. Kc1 Rc2+ 61. Kb1 Rb2+ 62. Ka1 Rb1+ 63. Ka2 Rb2+ 64. Ka3 Ra2+ 65. Kb3 Ra3+ 66. Kc2 Rc3+ 67. Kd1 Rd3+ 68. Ke1 Re3+ 69. Kf1 Re1+ 70. Kg2 Rg1+ 71. Kf3 Rg3+ 72. Ke4 Re3+ 73. Kf5 Rf3+ 74. Nf4 Rxf4+ 75. Kg5 Rf5+ 76. Kh4 Rf4+ 77. Kh3 Rf3+ 78. Kh2 Rf2+ 79. Kh1 Rh2+ 80. Kg1 Rg2+ 81. Kf1 Rf2+ 82. Ke1 Re2+ 83. Kd1 Rd2+ 84. Kc1 Rc2+ 85. Kb1 Rb2+ 86. Ka1 Rb1+ 87. Ka2 Rb2+ 88. Ka3 Ra2+ 89. Kb3 Ra3+ 90. Kc2 Rc3+ 91. Kd1 Rd3+ 92. Ke1 Re3+ 93. Kf1 Re1+ 94. Kg2 Rg1+ 95. Kf3 Rg3+ 96. Ke4 Re3+ 97. Kd5 Rxe5+ 98. Kd4 Rd5+ 99. Ke3 Rd3+ 100. Kf4 Rd4+ 101. Kg3 Rg4+ 102. Kf2 Rg2+ 103. Ke3 Rg3+ 104. Kf4 Rg4+ 105. Ke5 Re4+ 106. Kf6 Rf4+ 107. Kg7 Rxf7+ 108. Kg6 Rf6+ 109. Kg5 Rf5+ 110. Kh4 Rf4+ 111. Kh3 Rf3+ 112. Kh2 Rf2+ 113. Kh1 Rh2+ 114. Kg1 Rg2+ 115. Kf1 Rf2+ 116. Ke1 Re2+ 117. Kd1 Rd2+ 118. Kc1 Rc2+ 119. Kb1 Rb2+ 120. Ka1 Rb1+ 121. Ka2 Rb2+ 122. Ka3 Ra2+ 123. Kb3 Ra3+ 124. Kc2 Rc3+ 125. Kd1 Rd3+ 126. Ke1 Re3+ 127. Kf1 Re1+ 128. Kg2 Rg1+ 129. Kf3 Rg3+ 130. Kf4 Rg4+ 131. Ke5 Re4+ 132. Kf6 Rf4+ 133. Rf5 Rxf5+ 134. Kg6 Rf6+ 135. Kh5 Rf5+ 136. Kh4 Rf4+ 137. Kh3 Rf3+ 138. Kh2 Rf2+ 139. Kh1 Rh2+ 140. Kg1 Rg2+ 141. Kf1 Rf2+ 142. Ke1 Re2+ 143. Kd1 Rd2+ 144. Kc1 Rc2+ 145. Kb1 Rb2+ 146. Ka1 Rb1+ 147. Ka2 Rb2+ 148. Ka3 Ra2+ 149. Kb3 Ra3+ 150. Kc2 Rc3+ 151. Kd1 Rd3+ 152. Ke1 Re3+ 153. Kf1 Re1+ 154. Kg2 Rg1+ 155. Kf3 Rg3+ 156. Ke4 Re3+ 157. Kf5 Re5+ 158. Kg6 Rg5+ 159. Kf7 Rf5+ 160. Bf6 Rxf6+ 161. Ke7 Rf7+ 162. Kd6 Rxd7+ 163. Ke5 Rd5+ 164. Kf4 Rd4+ 165. Kg3 Rg4+ 166. Kf2 Rg2+ 167. Ke3 Rg3+ 168. Kf4 Rf3+ 169. Ke5 Rf5+ 170. Ke4 Re5+ 171. Kf3 Re3+ 172. Kg2 Rg3+ 173. Kf1 Rf3+ 174. Qf2 Rxf2+ 175. Ke1 Re2+ 176. Kd1 Rd2+ 177. Kc1 Rc2+ 178. Kb1 Rb2+ 179. Ka1 Rb1+ 180. Ka2 Rb2+ 181. Ka3 Ra2+ 182. Kb3 Ra3+ 183. Kc2 Rc3+ 184. Kd1 Rd3+ 185. Qd2 Rxd2+ 186. Kc1 Rc2+ 187. Kb1 Rb2+ 188. Ka1 Rb1+ 189. Ka2 Rb2+ 190. Ka3 Ra2+ 191. Kb3 Ra3+ 192. Kc2 Rc3+ 193. Kd1 Rd3+ 194. Ke1 Re3+ 195. Qe2 Rxe2+ 196. Kf1 Rf2+ 197. Kg1 Rg2+ 198. Kh1 Rg1+ 199. Kh2 Rg2+ 200. Kh3 Rg3+ 201. Kh4 Rh3+ 202. Kg5 Rg3+ 203. Rg4 Rxg4+ 204. Kxg4 Kb8 205. Kf5 Ka8 206. Rc8# 1-0[/pgn]
New Gustav- version 4.2e needs 3'41" in Brute Force- mode with 4G hash:

Code: Select all

1.Kg5-g4 Tf5-f4 2.Kg4-g3 Tf4-f3 3.Kg3-g2 Tf3-f2 4.Kg2-h1 Tf2-h2 5.Kh1-g1 Th2-g2 6.Kg1-f1 Tg2-f2 7.Kf1-e1 Tf2-e2 8.Ke1-d1 Te2-d2 9.Kd1-c1 Td2-c2 10.Kc1-b1 Tc2-b2 11.Kb1-a1 Tb2-b1 12.Ka1-a2 Tb1-b2 13.Ka2-a3 Tb2-a2 14.Ka3-b3 Ta2-a3 15.Kb3-c2 Ta3-c3 16.Kc2-d1 Tc3-d3 17.Kd1-e1 Td3-e3 18.Ke1-f1 Te3-e1 19.Kf1-g2 Te1-g1 20.Kg2-f3 Tg1-g3 21.Kf3-e4 Tg3-e3 22.Ke4-f5 Te3-f3 23.Sg6-f4 Tf3-f4 24.Kf5-g6 Tf4-f6 25.Kg6-g5 Tf6-f5 26.Kg5-g4 Tf5-f4 27.Kg4-g3 Tf4-f3 28.Kg3-g2 Tf3-f2 29.Kg2-h1 Tf2-h2 30.Kh1-g1 Th2-g2 31.Kg1-f1 Tg2-f2 32.Kf1-e1 Tf2-e2 33.Ke1-d1 Te2-d2 34.Kd1-c1 Td2-c2 35.Kc1-b1 Tc2-b2 36.Kb1-a1 Tb2-b1 37.Ka1-a2 Tb1-b2 38.Ka2-a3 Tb2-a2 39.Ka3-b3 Ta2-a3 40.Kb3-c2 Ta3-c3 41.Kc2-d1 Tc3-d3 42.Kd1-e1 Td3-e3 43.Ke1-f1 Te3-e1 44.Kf1-g2 Te1-g1 45.Kg2-f3 Tg1-g3 46.Kf3-e4 Tg3-e3 47.Ke4-f5 Te3-f3 48.Th4-f4 Tf3-f4 49.Kf5-g6 Tf4-f6 50.Kg6-g5 Tf6-f5 51.Kg5-g4 Tf5-f4 52.Kg4-g3 Tf4-f3 53.Kg3-g2 Tf3-f2 54.Kg2-h1 Tf2-h2 55.Kh1-g1 Th2-g2 56.Kg1-f1 Tg2-f2 57.Kf1-e1 Tf2-e2 58.Ke1-d1 Te2-d2 59.Kd1-c1 Td2-c2 60.Kc1-b1 Tc2-b2 61.Kb1-a1 Tb2-b1 62.Ka1-a2 Tb1-b2 63.Ka2-a3 Tb2-a2 64.Ka3-b3 Ta2-a3 65.Kb3-c2 Ta3-c3 66.Kc2-d1 Tc3-d3 67.Dh6-d2 Td3-d2 68.Kd1-c1 Td2-c2 69.Kc1-b1 Tc2-b2 70.Kb1-a1 Tb2-b1 71.Ka1-a2 Tb1-b2 72.Ka2-a3 Tb2-a2 73.Ka3-b3 Ta2-a3 74.Kb3-c2 Ta3-c3 75.Kc2-d1 Tc3-d3 76.Kd1-e1 Td3-e3 77.Ke1-f1 Te3-e1 78.Kf1-g2 Te1-g1 79.Kg2-f3 Tg1-g3 80.Kf3-e4 Tg3-e3 81.Ke4-f5 Te3-f3 82.Sd5-f4 Tf3-f4 83.Kf5-g5 Tf4-f5 84.Kg5-g4 Tf5-f4 85.Kg4-g3 Tf4-f3 86.Kg3-g2 Tf3-f2 87.Kg2-h1 Tf2-h2 88.Kh1-g1 Th2-g2 89.Kg1-f1 Tg2-f2 90.Kf1-e1 Tf2-e2 91.Ke1-d1 Te2-d2 92.Kd1-c1 Td2-c2 93.Kc1-b1 Tc2-b2 94.Kb1-a1 Tb2-b1 95.Ka1-a2 Tb1-b2 96.Ka2-a3 Tb2-a2 97.Ka3-b3 Ta2-a3 98.Kb3-c2 Ta3-c3 99.Kc2-d1 Tc3-d3 100.Kd1-e1 Td3-e3 101.Ke1-f1 Te3-e1 102.Kf1-g2 Te1-g1 103.Kg2-f3 Tg1-g3 104.Kf3-e4 Tg3-e3 105.Ke4-d5 Te3-e5 106.Kd5-d4 Te5-d5 107.Kd4-e3 Td5-d3 108.Ke3-e2 Td3-e3 109.Ke2-f1 Te3-e1 110.Kf1-g2 Te1-g1 111.Kg2-f3 Tg1-g3 112.Kf3-f4 Tg3-g4 113.Kf4-e5 Tg4-e4 114.Ke5-f6 Te4-f4 115.Kf6-g7 Tf4-f7 116.Kg7-g6 Tf7-f6 117.Kg6-g5 Tf6-f5 118.Kg5-g4 Tf5-f4 119.Kg4-g3 Tf4-f3 120.Kg3-g2 Tf3-f2 121.Kg2-h1 Tf2-h2 122.Kh1-g1 Th2-g2 123.Kg1-f1 Tg2-f2 124.Kf1-e1 Tf2-e2 125.Ke1-d1 Te2-d2 126.Kd1-c1 Td2-c2 127.Kc1-b1 Tc2-b2 128.Kb1-a1 Tb2-b1 129.Ka1-a2 Tb1-b2 130.Ka2-a3 Tb2-a2 131.Ka3-b3 Ta2-a3 132.Kb3-c2 Ta3-c3 133.Kc2-d1 Tc3-d3 134.Kd1-e1 Td3-e3 135.Ke1-f1 Te3-e1 136.Kf1-g2 Te1-g1 137.Kg2-f3 Tg1-g3 138.Kf3-f4 Tg3-g4 139.Kf4-e5 Tg4-e4 140.Ke5-f6 Te4-f4 141.Th5-f5 Tf4-f5 142.Kf6-g6 Tf5-f6 143.Kg6-g5 Tf6-f5 144.Kg5-g4 Tf5-f4 145.Kg4-g3 Tf4-f3 146.Kg3-g2 Tf3-f2 147.Kg2-h1 Tf2-h2 148.Kh1-g1 Th2-g2 149.Kg1-f1 Tg2-f2 150.Kf1-e1 Tf2-e2 151.Ke1-d1 Te2-d2 152.Kd1-c1 Td2-c2 153.Kc1-b1 Tc2-b2 154.Kb1-a1 Tb2-b1 155.Ka1-a2 Tb1-b2 156.Ka2-a3 Tb2-a2 157.Ka3-b3 Ta2-a3 158.Kb3-c2 Ta3-c3 159.Kc2-d1 Tc3-d3 160.Kd1-e1 Td3-e3 161.Ke1-f1 Te3-e1 162.Kf1-g2 Te1-g1 163.Kg2-f3 Tg1-g3 164.Kf3-e4 Tg3-e3 165.Ke4-f5 Te3-e5 166.Kf5-g6 Te5-g5 167.Kg6-f7 Tg5-f5 168.Le7-f6 Tf5-f6 169.Kf7-e7 Tf6-f7 170.Ke7-d6 Tf7-d7 171.Kd6-e5 Td7-d5 172.Ke5-f4 Td5-d4 173.Kf4-g3 Td4-g4 174.Kg3-f2 Tg4-g2 175.Kf2-f3 Tg2-g3 176.Kf3-f4 Tg3-f3 177.Kf4-e5 Tf3-f5 178.Ke5-e4 Tf5-e5 179.Ke4-f3 Te5-e3 180.Kf3-g2 Te3-g3 181.Kg2-f1 Tg3-f3 182.Db6-f2 Tf3-f2 183.Kf1-e1 Tf2-e2 184.Ke1-d1 Te2-d2 185.Kd1-c1 Td2-c2 186.Kc1-b1 Tc2-b2 187.Kb1-a1 Tb2-b1 188.Ka1-a2 Tb1-b2 189.Ka2-a3 Tb2-a2 190.Ka3-b3 Ta2-a3 191.Kb3-c2 Ta3-c3 192.Kc2-d1 Tc3-d3 193.Kd1-e1 Td3-e3 194.Dc4-e2 Te3-e2 195.Ke1-f1 Te2-f2 196.Kf1-g1 Tf2-g2 197.Kg1-h1 Tg2-g1 198.Kh1-h2 Tg1-h1 199.Kh2-g3 Th1-g1 200.Kg3-h4 Tg1-h1 201.Kh4-g5 Th1-g1 202.Tb4-g4 Tg1-c1 203.Tg4-a4 Ka8-b8 204.Ta4-b4 Kb8-a8 205.Tc6-a6#
Edit: The whole text- file of solution with first black move and all posible transpostions included is too big for posting, regards
Peter.
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peter
Posts: 3410
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: White mates in 205?

Post by peter »

peter wrote: ↑Sat Aug 05, 2023 5:59 pm Edit: The whole text- file of solution with first black move and all posible transpositions included is too big for posting, regards
Author of Gustav, Olaf Jenkner gave main line with first black move included and with link to Gustav's solution-file here:

https://pdb.dieschwalbe.de/P1411613
Peter.
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peter
Posts: 3410
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: White mates in 205?

Post by peter »

peter wrote: ↑Sat Aug 05, 2023 6:47 pm ... and with link to Gustav's solution-file here:
Sorry, it's not the solution- file, just a download of the site- text.
So I uploaded the complete text- file of Gustav's solution here:

https://www.dropbox.com/scl/fi/cby0kryn ... svb3t&dl=0
Peter.
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towforce
Posts: 12517
Joined: Thu Mar 09, 2006 12:57 am
Location: Birmingham UK
Full name: Graham Laight

Re: White mates in 205?

Post by towforce »

Spliffjiffer wrote: ↑Fri Aug 04, 2023 3:49 am this information is secret...this person "Hobacle" is unavavailable...plz call later...
:lol:

It was on a piece of paper that blew in over the fence into his garden while he was enjoying a barbeque!
Human chess is partly about tactics and strategy, but mostly about memory
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