[d]B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - -
A fairly difficult mate in 8 with a single solution
Complex Puzzle
Moderators: hgm, Rebel, chrisw
-
Dann Corbit
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Complex Puzzle
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
Dann Corbit
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Complex Puzzle
[d]r2k3r/BPb1qbPB/q2qq2q/1Nn2nN1/qQQQQQQq/8/q1RRQ2q/3K4 w - -
A fairly difficult mate in 9 with a single solution
A fairly difficult mate in 9 with a single solution
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
Dann Corbit
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Complex Puzzle
[d]1b1qrQbk/P2Q3N/Q4qB1/1qr1P1p1/Q1R1Q2q/q4QB1/1Q2n1Nq/1n1K4 b - -
A fairly difficult mate in 10 with a single solution
A fairly difficult mate in 10 with a single solution
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
Dann Corbit
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Complex Puzzle
[d]qr1b1rq1/P1P1P1P1/1q1k1q2/Q1RbR1Q1/1N1q1N2/1QnQnQ2/q1pKp1q1/3B4 w - -
A fairly difficult mate in 11 with a single solution
A fairly difficult mate in 11 with a single solution
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
Dann Corbit
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Complex Puzzle
[d]QQ1NrN1q/q1q3k1/Q3pp2/1qq3Bp/2B1n2K/P1b2Q1Q/2bR2qn/Q1Q1RrQ1 w - -
A fairly difficult mate in 12 with a single solution
A fairly difficult mate in 12 with a single solution
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
Vinvin
- Posts: 5228
- Joined: Thu Mar 09, 2006 9:40 am
- Full name: Vincent Lejeune
Re: Complex Puzzle
Between 2 and 27 sec for Stockfish-matefinder-160603 on an i7 6*4GHzDann Corbit wrote:[d]B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - -
A fairly difficult mate in 8 with a single solution
Code: Select all
Stockfish_160603_x64_matefinder:
... 6/12 00:02 19 771k 9 295k +19,58 1.Q4xc5+ Qcxc5 2.Qcxc5+ Qdxc5 3.Qexc5+ Qxc5 4.Qxc5+ Kxc5 5.Nxe4+ Qfxe4 6.Q6xe5+ Nxe5 7.Nxb7+ Kd4 8.Rxd7 Rxc7
7/14 00:02 23 801k 9 374k +19,58 1.Q4xc5+ Qcxc5 2.Qcxc5+ Qdxc5 3.Qexc5+ Qxc5 4.Qxc5+ Kxc5 5.Nxe4+ Qfxe4 6.Q6xe5+ Nxe5 7.Nxb7+ Kd4
8/24+ 00:04 43 831k 9 887k +20,44 1.Qfxe4+
8/24+ 00:04 44 044k 9 889k +20,80 1.Qfxe4+
8/24+ 00:04 49 286k 9 883k +M14 1.Qfxe4+
8/24 00:27 306 040k 11 251k +M8 1.Qcxc6+ Qbxc6 2.Q4xc5+ Qc4xc5 3.Qcxc5+ Qdxc5 4.Qexc5+ Qxc5 5.Bxb7+ Qdc6 6.Bxc6+ Qxc6 7.Qxc6+ Kd4 8.Nxf3+
Stockfish_160603_x64_matefinder:
1/2 00:00 1 013k 7 973k +13,85 1.Q6xc5+ Qcxc5 2.Qexd4+ Nxd4
2/4 00:00 1 240k 8 054k +13,34 1.Qfxe4+ Bxe4 2.Qexd4+ Nxd4 3.Qbxc4+ Qcxc4
3/6 00:00 1 893k 8 268k +12,96 1.Q6xc5+ Qcxc5 2.Qfxe4+ Qexe4 3.Qcxd6+ Nxd6
4/6 00:00 4 789k 8 477k +12,96 1.Q6xc5+ Qcxc5 2.Qfxe4+ Qexe4 3.Qcxd6+ Nxd6
5/10 00:01 15 756k 8 695k +12,25 1.Q6xe5+ Qfxe5 2.Q6xc5+ Qcxc5 3.Qxe5+ Qdxe5 4.Qexc5+ Nxc5 5.Bxc6+ Qbxc6 6.Rxd7 Be2+ 7.Rxe2
6/12 00:02 26 585k 9 208k +M8 1.Qcxc6+ Qdxc6 2.Qbxc4+ Bxc4 3.Qexe6+ Qfxe6 4.Q6xe5+ Qe4xe5 5.Qexe5+ Qdxe5 6.Qcxf3+ Qe4
7/14 00:03 29 892k 9 365k +M8 1.Qcxc6+ Qdxc6 2.Qbxc4+ Bxc4 3.Qexe6+ Qfxe6 4.Q6xe5+ Qe4xe5 5.Qexe5+ Qdxe5 6.Qcxf3+ Qe4 7.Q3xe4+ Qxe4 8.Qxe4+
Stockfish_160603_x64_matefinder:
...
6/12+ 00:03 30 824k 9 326k +18,48 1.Qcxc4+
6/12 00:03 30 967k 9 322k +18,84 1.Qcxc4+ Qdxc4 2.Qexc5+ Qcxc5 3.Q4xc5+ Qxc5 4.Qxc5+ Kxc5 5.Nxe4+ Qfxe4 6.Q6xe5+ Rxe5
7/14- 00:03 32 362k 9 356k +18,77 1.Qcxc4+ Qdxc4
7/14- 00:03 32 440k 9 357k +18,68 1.Qcxc4+ Qdxc4
7/14+ 00:03 32 554k 9 357k +18,79 1.Qcxc4+
7/14+ 00:03 33 486k 9 374k +18,94 1.Qcxc4+
7/14 00:03 33 510k 9 373k +19,13 1.Qcxc4+ Qdxc4 2.Qexc5+ Qcxc5 3.Q4xc5+ Qxc5 4.Qxc5+ Kxc5 5.Nxe4+ Qfxe4 6.Q6xe5+ Nxe5 7.Nxb7+ Kd5 8.Qa5+ Kd4
8/16+ 00:06 67 661k 9 886k +19,20 1.Q6xe5+
8/16+ 00:06 67 667k 9 887k +19,27 1.Q6xe5+
8/16+ 00:07 75 104k 9 880k +M14 1.Q6xe5+
8/16 00:31 353 804k 11 357k +M8 1.Qcxc6+ Qbxc6 2.Q4xc5+ Qdxc5 3.Qexc5+ Q4xc5 4.Qcxc5+ Qxc5 5.Bxb7+ Qdc6 6.Bxc6+ Qxc6 7.Qxc6+ Kd4 8.Nxf3+
Stockfish_160603_x64_matefinder:
...
6/12 00:02 26 786k 9 105k +13,75 1.Q6xc5+ Qcxc5 2.Qcxc5+ Qdxc5 3.Qfxe4+ Qexe4 4.Qexc5+ Nxc5 5.Nxe4 Bc2+ 6.Kxc2
7/13+ 00:03 28 562k 9 140k +13,82 1.Qcxc4+
7/13+ 00:03 28 572k 9 143k +13,89 1.Qcxc4+
7/13+ 00:03 29 166k 9 143k +17,80 1.Qcxc4+
7/14+ 00:03 35 007k 9 276k +19,04 1.Qcxc6+
7/14+ 00:03 35 193k 9 281k +M13 1.Qcxc6+
7/14 00:04 40 708k 9 507k +M8 1.Qcxc6+ Qbxc6 2.Q4xc5+ Qdxc5 3.Qexc5+ Q4xc5 4.Qcxc5+ Qxc5 5.Bxb7+ Qdc6 6.Bxc6+ Qxc6 7.Qxc6+ Kd4-
Nordlandia
- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
Re: Complex Puzzle
i7-5960X 3.9GHz | Fritz 15 Last Patch | 6-Men Syzygy
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - - 0 1"]
[PlyCount "15"]
{Stockfish MateFinder 64 POPCNT #2:} 1. Qcxc6+ Qbxc6 2. Q4xc5+ Qc4xc5 3. Qcxc5+
Qdxc5 4. Qexc5+ Qxc5 5. Bxb7+ Qdc6 6. Bxc6+ Qxc6 7. Qxc6+ Kd4 8. Nxf3# {#8/8} *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r2k3r/BPb1qbPB/q2qq2q/1Nn2nN1/qQQQQQQq/8/q1RRQ2q/3K4 w - - 0 1"]
[PlyCount "20"]
{Stockfish MateFinder 64 POPCNT #2:} 1. bxa8=Q+ Kd7 2. Qac6+ Qaxc6 3. Qxc6+
Kxc6 4. Qcxc5+ Qxc5 5. Qdxc5+ Qxc5 6. Qxc7+ Qxc7 7. Qxc5+ Kb7 8. Qxc7+ Ka6 9.
Nd6+ Qxe2+ 10. Qxe2+ Bc4 {#11/10} *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "1b1qrQbk/P2Q3N/Q4qB1/1qr1P1p1/Q1R1Q2q/q4QB1/1Q2n1Nq/1n1K4 b - - 0 1"]
[PlyCount "1"]
1... Qdxd7+ ({Stockfish MateFinder 64 POPCNT #2:} 1... Qdxd7+ 2. Qed3 Nec3+ 3.
Qbxc3 Qh1+ 4. Qe1 Qbxa4+ 5. Qxa4 Qdxa4+ 6. Rc2 Qxc2+ 7. Qxc2 Qaxf3+ 8. Kc1 Qa3+
9. Kd1 Qg4+ 10. Qce2 Rc1# {-#10/15}) *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "qr1b1rq1/P1P1P1P1/1q1k1q2/Q1RbR1Q1/1N1q1N2/1QnQnQ2/q1pKp1q1/3B4 w - - 0 1"]
[PlyCount "1"]
1. cxb8=Q+ ({Stockfish MateFinder 64 POPCNT #2:} 1. cxb8=Q+ Qbxb8 2. axb8=Q+
Qxb8 3. Rcxd5+ Ncxd5 4. Rxd5+ Nxd5 5. Qgxd5+ Qgxd5 6. Qaxd5+ Kxe7 7. Qfe3+
Qxe3+ 8. Qxe3+ Qe4 9. Qexe4+ Qbe5 10. Qexe5+ Qxe5 11. gxf8=Q+ Kxf8 12. Qf7# {
#12/11}) *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "QQ1NrN1q/q1q3k1/Q3pp2/1qq3Bp/2B1n2K/P1b2Q1Q/2bR2qn/Q1Q1RrQ1 w - - 0 1"]
[PlyCount "25"]
1. Bxf6+ ({Stockfish MateFinder 64 POPCNT #2:} 1. Bxf6+ Bxf6+ 2. Qaxf6+ Nxf6 3.
Ndxe6+ Kg8 4. Nxc5+ Qxc4+ 5. Qxc4+ Qf7 6. Rxg2+ Nhg4 7. Qaxa7 Qhg7 8. Qaxf7+
Kh8 9. Qxg7+ Kxg7 10. Qhxg4+ hxg4 11. Qg5+ Bg6 12. Qxg6+ Kxf8 {#13/15}) {
Stockfish 080616 64 BMI2:} 1... Bxf6+ 2. Qaxf6+ Nxf6 3. Ndxe6+ Kg8 4. Nxc5+ Qf7
5. Rxg2+ Nhg4 6. Qbxa7 Qbxc4 7. Qg5+ Qhg7 8. Qxg7+ Qxg7 9. Qxg7+ Kxg7 10.
Qaxf6+ Kg8 11. Qad5+ Qxd5 12. Qxd5+ Re6 13. Qdxe6# {#12/15} *
[/pgn]
Matefinder from here: http://chess.ultimaiq.net/stockfish.html
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - - 0 1"]
[PlyCount "15"]
{Stockfish MateFinder 64 POPCNT #2:} 1. Qcxc6+ Qbxc6 2. Q4xc5+ Qc4xc5 3. Qcxc5+
Qdxc5 4. Qexc5+ Qxc5 5. Bxb7+ Qdc6 6. Bxc6+ Qxc6 7. Qxc6+ Kd4 8. Nxf3# {#8/8} *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r2k3r/BPb1qbPB/q2qq2q/1Nn2nN1/qQQQQQQq/8/q1RRQ2q/3K4 w - - 0 1"]
[PlyCount "20"]
{Stockfish MateFinder 64 POPCNT #2:} 1. bxa8=Q+ Kd7 2. Qac6+ Qaxc6 3. Qxc6+
Kxc6 4. Qcxc5+ Qxc5 5. Qdxc5+ Qxc5 6. Qxc7+ Qxc7 7. Qxc5+ Kb7 8. Qxc7+ Ka6 9.
Nd6+ Qxe2+ 10. Qxe2+ Bc4 {#11/10} *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "1b1qrQbk/P2Q3N/Q4qB1/1qr1P1p1/Q1R1Q2q/q4QB1/1Q2n1Nq/1n1K4 b - - 0 1"]
[PlyCount "1"]
1... Qdxd7+ ({Stockfish MateFinder 64 POPCNT #2:} 1... Qdxd7+ 2. Qed3 Nec3+ 3.
Qbxc3 Qh1+ 4. Qe1 Qbxa4+ 5. Qxa4 Qdxa4+ 6. Rc2 Qxc2+ 7. Qxc2 Qaxf3+ 8. Kc1 Qa3+
9. Kd1 Qg4+ 10. Qce2 Rc1# {-#10/15}) *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "qr1b1rq1/P1P1P1P1/1q1k1q2/Q1RbR1Q1/1N1q1N2/1QnQnQ2/q1pKp1q1/3B4 w - - 0 1"]
[PlyCount "1"]
1. cxb8=Q+ ({Stockfish MateFinder 64 POPCNT #2:} 1. cxb8=Q+ Qbxb8 2. axb8=Q+
Qxb8 3. Rcxd5+ Ncxd5 4. Rxd5+ Nxd5 5. Qgxd5+ Qgxd5 6. Qaxd5+ Kxe7 7. Qfe3+
Qxe3+ 8. Qxe3+ Qe4 9. Qexe4+ Qbe5 10. Qexe5+ Qxe5 11. gxf8=Q+ Kxf8 12. Qf7# {
#12/11}) *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "QQ1NrN1q/q1q3k1/Q3pp2/1qq3Bp/2B1n2K/P1b2Q1Q/2bR2qn/Q1Q1RrQ1 w - - 0 1"]
[PlyCount "25"]
1. Bxf6+ ({Stockfish MateFinder 64 POPCNT #2:} 1. Bxf6+ Bxf6+ 2. Qaxf6+ Nxf6 3.
Ndxe6+ Kg8 4. Nxc5+ Qxc4+ 5. Qxc4+ Qf7 6. Rxg2+ Nhg4 7. Qaxa7 Qhg7 8. Qaxf7+
Kh8 9. Qxg7+ Kxg7 10. Qhxg4+ hxg4 11. Qg5+ Bg6 12. Qxg6+ Kxf8 {#13/15}) {
Stockfish 080616 64 BMI2:} 1... Bxf6+ 2. Qaxf6+ Nxf6 3. Ndxe6+ Kg8 4. Nxc5+ Qf7
5. Rxg2+ Nhg4 6. Qbxa7 Qbxc4 7. Qg5+ Qhg7 8. Qxg7+ Qxg7 9. Qxg7+ Kxg7 10.
Qaxf6+ Kg8 11. Qad5+ Qxd5 12. Qxd5+ Re6 13. Qdxe6# {#12/15} *
[/pgn]
Matefinder from here: http://chess.ultimaiq.net/stockfish.html
-
Nordlandia
- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
Re: Complex Puzzle
i5-5200U 2-Core | Fritz 15 Last Patch | Windows 10
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - - 0 1"]
[PlyCount "14"]
{Stockfish MateFinder 64 POPCNT:} 1. Qcxc6+ Qbxc6 2. Q4xc5+ Qdxc5 3. Qexc5+
Q4xc5 4. Qcxc5+ Qxc5 5. Bxb7+ Qdc6 6. Bxc6+ Qxc6 7. Qxc6+ Kd4 {#8/8} *
[/pgn]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - - 0 1"]
[PlyCount "14"]
{Stockfish MateFinder 64 POPCNT:} 1. Qcxc6+ Qbxc6 2. Q4xc5+ Qdxc5 3. Qexc5+
Q4xc5 4. Qcxc5+ Qxc5 5. Bxb7+ Qdc6 6. Bxc6+ Qxc6 7. Qxc6+ Kd4 {#8/8} *
[/pgn]
Code: Select all
New game
B2R4/1nQqQ3/1QrbrQ2/NqqkqqN1/1QqqqQ2/2QbQn2/3B2R1/3K4 w - - 0 1
Analysis by Stockfish MateFinder 64 POPCNT:
1.Qcxc6+ Qbxc6 2.Q4xc5+ Qdxc5 3.Qexc5+ Q4xc5 4.Qcxc5+ Qxc5 5.Bxb7+ Qdc6 6.Bxc6+ Qxc6 7.Qxc6+ Kd4 8.Nxf3#
+- (#8) Depth: 8/16 00:00:30 647kN
(Nordlandia, 11.06.2016)
-
Nordlandia
- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
-
Nordlandia
- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
Re: Complex Puzzle
Code: Select all
8/8/2n5/3r4/6B1/4R3/K5P1/5kN1 w - - 0 0
Code: Select all
5k2/1p1p3K/1p3p1P/4PP1p/P7/8/Pp1P2PP/8 w - - 0 0