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Perplex/Puzzle for Engines

descriptionPerplex/Puzzle for Engines EmptyPerplex/Puzzle for EnginesSun Jun 05, 2016 1:42 pm

more_horiz
[fen]1k3K2/5p2/1P1N1p1n/p2p1Ppp/P2P3P/b3B2P/8/8 w - - 0 1[/fen]

[pgn][Event "2.hm Die Schwalbe#08730"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0044.66f8b8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1k3K2/5p2/1P1N1p1n/p2p1Ppp/P2P3P/b3B2P/8/8 w - - 0 1"]
[PlyCount "41"]
[EventDate "1995.??.??"]

{Die Schwalbe/2 EG#13756} 1. Kg7 $1 (1. Ke7 $2 Nxf5+) 1... Bxd6 2. Kxh6 Bf4 $1
(2... gxh4 3. Kg7 Be7 4. Kxf7 Bd8 5. Bf4+ Kb7 6. Bc7) 3. Bg1 g4+ 4. Kxh5 (4.
Kg7 $2 gxh3 5. Kxf7 h2 6. Bxh2 Bxh2 7. Kxf6 Bg1 $1 8. Ke5 Bf2 $1) 4... gxh3 5.
Kg4 h2 6. Bxh2 Bxh2 7. h5 Bd6 8. h6 Bf8 9. Kh5 $1 (9. h7 $2 Bg7 10. Kh5 Bh8 $1)
9... Kb7 10. h7 Bg7 11. h8=Q $1 Bxh8 12. Kh6 Kxb6 13. Kh7 Kc6 (13... Kc7) 14.
Kg8 $1 (14. Kxh8 $2 Kd7 15. Kg8 Ke8 $1 16. Kg7 Ke7 $1 17. Kh7 Kd7 (17... Kd8))
14... Kd7 15. Kxf7 Kd6 16. Kg8 Ke7 17. Kxh8 Kf7 18. Kh7 Kf8 19. Kg6 Ke7 20. Kg7
Ke8 21. Kxf6 1-0

[/pgn]

[Hide]

Code:

[Event "2.hm Die Schwalbe#08730"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0044.66f8b8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1k3K2/5p2/1P1N1p1n/p2p1Ppp/P2P3P/b3B2P/8/8 w - - 0 1"]
[PlyCount "41"]
[EventDate "1995.??.??"]

{Die Schwalbe/2 EG#13756} 1. Kg7 $1 (1. Ke7 $2 Nxf5+) 1... Bxd6 2. Kxh6 Bf4 $1
(2... gxh4 3. Kg7 Be7 4. Kxf7 Bd8 5. Bf4+ Kb7 6. Bc7) 3. Bg1 g4+ 4. Kxh5 (4.
Kg7 $2 gxh3 5. Kxf7 h2 6. Bxh2 Bxh2 7. Kxf6 Bg1 $1 8. Ke5 Bf2 $1) 4... gxh3 5.
Kg4 h2 6. Bxh2 Bxh2 7. h5 Bd6 8. h6 Bf8 9. Kh5 $1 (9. h7 $2 Bg7 10. Kh5 Bh8 $1)
9... Kb7 10. h7 Bg7 11. h8=Q $1 Bxh8 12. Kh6 Kxb6 13. Kh7 Kc6 (13... Kc7) 14.
Kg8 $1 (14. Kxh8 $2 Kd7 15. Kg8 Ke8 $1 16. Kg7 Ke7 $1 17. Kh7 Kd7 (17... Kd8))
14... Kd7 15. Kxf7 Kd6 16. Kg8 Ke7 17. Kxh8 Kf7 18. Kh7 Kf8 19. Kg6 Ke7 20. Kg7
Ke8 21. Kxf6 1-0


[/Hide]

[fen]3r3k/2n2K1p/pR6/8/2p5/5p2/5p2/7R w - - 0 1[/fen]
[pgn][Event "New Zealand Chess"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0503.05f7h8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "3r3k/2n2K1p/pR6/8/2p5/5p2/5p2/7R w - - 0 1"]
[PlyCount "39"]
[EventDate "1994.??.??"]

1. Rd1 $1 Rg8 2. Rg6 $1 Re8 (2... hxg6 3. Rh1#) (2... Rxg6 3. Rd8+) 3. Rh6 Re1
4. Rd4 $1 Re7+ $1 5. Kxe7 f1=Q 6. Kf7 Qe1 $1 7. Rd8+ Ne8 (7... Qe8+ 8. Rxe8+
Nxe8 9. Re6 $1 Nc7 10. Rd6 Ne8 11. Rd8 h5 12. Kg6) 8. Rh1 $1 f2 $1 9. Rf1 $1 h5
10. Rxe8+ Qxe8+ 11. Kxe8 Kg7 12. Ke7 $1 Kg6 13. Ke6 Kg5 14. Ke5 Kg4 15. Ke4 h4
16. Ke3 $1 (16. Rxf2 $2 h3 17. Ke3 c3 $1 18. Rf1 Kg3 19. Rg1+ Kh2 20. Rg5 a5
21. Rxa5 c2) 16... Kg3 17. Rxf2 c3 (17... h3 18. Rf8 c3 (18... Kg2 19. Ke2 c3
20. Rg8+ Kh2 21. Kf1 c2 22. Rc8 Kh1 23. Kf2) 19. Rg8+ Kh2 20. Kf4 $1) 18. Rf3+
Kg2 19. Kf4 h3 20. Rg3+ 1-0

[/pgn]

[Hide][Event "New Zealand Chess"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0503.05f7h8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "3r3k/2n2K1p/pR6/8/2p5/5p2/5p2/7R w - - 0 1"]
[PlyCount "39"]
[EventDate "1994.??.??"]

1. Rd1 $1 Rg8 2. Rg6 $1 Re8 (2... hxg6 3. Rh1#) (2... Rxg6 3. Rd8+) 3. Rh6 Re1
4. Rd4 $1 Re7+ $1 5. Kxe7 f1=Q 6. Kf7 Qe1 $1 7. Rd8+ Ne8 (7... Qe8+ 8. Rxe8+
Nxe8 9. Re6 $1 Nc7 10. Rd6 Ne8 11. Rd8 h5 12. Kg6) 8. Rh1 $1 f2 $1 9. Rf1 $1 h5
10. Rxe8+ Qxe8+ 11. Kxe8 Kg7 12. Ke7 $1 Kg6 13. Ke6 Kg5 14. Ke5 Kg4 15. Ke4 h4
16. Ke3 $1 (16. Rxf2 $2 h3 17. Ke3 c3 $1 18. Rf1 Kg3 19. Rg1+ Kh2 20. Rg5 a5
21. Rxa5 c2) 16... Kg3 17. Rxf2 c3 (17... h3 18. Rf8 c3 (18... Kg2 19. Ke2 c3
20. Rg8+ Kh2 21. Kf1 c2 22. Rc8 Kh1 23. Kf2) 19. Rg8+ Kh2 20. Kf4 $1) 18. Rf3+
Kg2 19. Kf4 h3 20. Rg3+ 1-0

[/Hide]

[fen]n3K1n1/Npkp3p/1pp4p/1P5R/8/8/1P4p1/4B3 w - - 0 1[/fen]

[pgn][Event "The Problemist#0631"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0117.27e8c7)"]
[Result "1-0"]
[SetUp "1"]
[FEN "n3K1n1/Npkp3p/1pp4p/1P5R/8/8/1P4p1/4B3 w - - 0 1"]
[PlyCount "17"]
[EventDate "1994.??.??"]

{The Problemist/5} 1. Bg3+ d6 2. Bh2 g1=Q 3. Bxg1 Nf6+ 4. Ke7 Nxh5 (4... Nd5+
5. Rxd5 cxd5 6. Bh2 Kb8 7. Kxd6) 5. Bh2 Kb8 6. Bxd6+ Kxa7 7. Kf7 cxb5 8. b4 Ka6
9. Bb8 1-0

[/pgn]

[Hide][Event "The Problemist#0631"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Randviir=J"]
[Black "(+0117.27e8c7)"]
[Result "1-0"]
[SetUp "1"]
[FEN "n3K1n1/Npkp3p/1pp4p/1P5R/8/8/1P4p1/4B3 w - - 0 1"]
[PlyCount "17"]
[EventDate "1994.??.??"]

{The Problemist/5} 1. Bg3+ d6 2. Bh2 g1=Q 3. Bxg1 Nf6+ 4. Ke7 Nxh5 (4... Nd5+
5. Rxd5 cxd5 6. Bh2 Kb8 7. Kxd6) 5. Bh2 Kb8 6. Bxd6+ Kxa7 7. Kf7 cxb5 8. b4 Ka6
9. Bb8 1-0

[/Hide]

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSun Jun 05, 2016 2:09 pm

more_horiz
[fen]k3n3/4P3/NbP4K/3P4/3P4/R6b/rP2p2B/4q3 w - - 0 0[/fen]

Perplex/Puzzle for Engines 1slVekGQ

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSat Jun 18, 2016 7:52 am

more_horiz
Perplex/Puzzle for Engines 510

Code:

1k2n1rB/2R5/K7/6P1/8/7p/5N2/8 w - - 0 0

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSat Jul 02, 2016 12:12 pm

more_horiz
Fairy difficult for some engines.

[pgn][Event ".hm Europa Rochade#1213"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Overath=L"]
[Black "(+0413.23f1h8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "7k/5p1p/r4np1/8/8/4R3/1BP2P2/5K2 w - - 0 1"]
[PlyCount "7"]
[EventDate "1994.??.??"]

{Europa Rochade/4 1995 EG#11116} 1. Rf3 $1 (1. c4 $2 Kg7 2. c5 Kf8 $1) 1... Kg7
2. Rxf6 $1 Rxf6 3. f4 $1 (3. c4 $2 g5 $1 4. c5 Kg6) 3... g5 4. f5 1-0

[/pgn]

Code:

[Event ".hm Europa Rochade#1213"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Overath=L"]
[Black "(+0413.23f1h8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "7k/5p1p/r4np1/8/8/4R3/1BP2P2/5K2 w - - 0 1"]
[PlyCount "7"]
[EventDate "1994.??.??"]

{Europa Rochade/4 1995 EG#11116} 1. Rf3 $1 (1. c4 $2 Kg7 2. c5 Kf8 $1) 1... Kg7
2. Rxf6 $1 Rxf6 3. f4 $1 (3. c4 $2 g5 $1 4. c5 Kg6) 3... g5 4. f5 1-0

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSun Jul 10, 2016 11:31 am

more_horiz
Complex Puzzle

8/8/7p/3P4/k1pp1P1K/2r2RPn/b5P1/8 w - - 0 1
[pgn][Event "1.hm Zadachy i Etyudy#0583"]
[Site "?"]
[Date "1998.12.30"]
[Round "?"]
[White "Kuryatnikov=A Markov=E"]
[Black "(=0433.43h4a4)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/7p/3P4/k1pp1P1K/2r2RPn/b5P1/8 w - - 0 1"]
[PlyCount "38"]
[EventDate "1998.??.??"]

1. d6 Ng5 2. fxg5 hxg5+ 3. Kg4 Rxf3 4. Kxf3 g4+ 5. Ke2 d3+ 6. Ke3 d2 7. Kxd2
c3+ 8. Kxc3 Be6 9. Kd4 Bd7 10. Ke5 Kb5 11. Kf6 Kc6 12. Ke7 Bc8 13. Kd8 Ba6 14.
Ke7 Bc8 15. Kd8 Be6 16. Ke7 Bf5 17. Kf6 Bc8 18. Ke7 Bd7 19. Kd8 Kxd6 1/2-1/2

[/pgn]

Code:

[Event "1.hm Zadachy i Etyudy#0583"]
[Site "?"]
[Date "1998.12.30"]
[Round "?"]
[White "Kuryatnikov=A Markov=E"]
[Black "(=0433.43h4a4)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/7p/3P4/k1pp1P1K/2r2RPn/b5P1/8 w - - 0 1"]
[PlyCount "38"]
[EventDate "1998.??.??"]

{EG#11706} 1. d6 (1. Rxc3 $2 dxc3) (1. Kxh3 $2 Rxf3 2. gxf3 c3) 1... Ng5 $1 (
1... Nxf4 2. gxf4 Rxf3 3. gxf3 c3 4. d7 c2 5. d8=Q c1=Q 6. Qxd4+) (1... Rb3 2.
Rxb3 cxb3 3. d7 b2 4. d8=Q b1=Q 5. Qxd4+ Kb5 6. Qd7+) (1... Ng1 2. Rf2 $1) (
1... Rxf3 2. gxf3 c3 (2... d3 3. d7 d2 4. d8=Q Ng1 5. Kh5 Nxf3 (5... c3 6. Qd4+
Kb3 7. Qxg1 Kb2 8. Qf2) 6. Qa8+) 3. d7 c2 4. d8=Q c1=Q 5. Qxd4+ Kb5 6. Qd7+ Qc6
(6... Kb6 7. Qd8+ Kb7 8. Qd7+) 7. Qxc6+ Kxc6 8. Kxh3 Kd6 (8... Bd5 9. Kg4 Bf7
10. Kf5) 9. g4 Ke7 10. g5 h5 11. Kh4 Bf7 12. f5) 2. fxg5 hxg5+ (2... Rxf3 3.
gxf3 c3 4. d7 hxg5+ 5. Kh5 $1) (2... Rb3 3. Rxb3 cxb3 4. d7) 3. Kg4 $1 (3. Kxg5
$2 Rxf3 4. gxf3 c3 5. d7 c2 6. d8=Q c1=Q+) (3. Kh5 $2 Rc1 $1 4. g4 (4. Rf8 Rh1+
5. Kg6 Bb1+ 6. Kf6 Rh7) 4... Rh1+ 5. Rh3 Rb1) (3. Kh3 $2 Rxf3 4. gxf3 c3 5. g4
c2 6. d7 c1=Q 7. d8=Q Qc5) 3... Rxf3 4. Kxf3 $1 (4. gxf3 $2 c3) 4... g4+ $1 (
4... c3 5. d7 Bd5+ (5... c2 6. d8=Q c1=Q 7. Qxd4+ Ka3 (7... Bc4 8. Qd7+ Bb5 9.
Qa7+ Kb3 10. Qf7+ Kc3 11. Qc7+ Bc4 12. Qe5+) 8. Qd6+ Kb3 9. Qd5+ Kb2 10. Qe5+)
6. Kf2 $1 (6. Ke2 $2 Bc4+ 7. Kd1 Bb3+) 6... c2 7. d8=Q c1=Q 8. Qxd5 Qc2+ 9. Kg1
d3 10. Qxg5 d2 11. Qf4+ Kb3 12. Qe3+ Kb2 13. Qb6+ Kc1 14. Qe3) 5. Ke2 $1 (5.
Ke4 $2 c3 6. d7 c2 7. d8=Q c1=Q 8. Qa8+ (8. Qd7+ Kb3 9. Qxg4 Qe3+) 8... Kb3) (
5. Kxg4 $2 c3 6. d7 Be6+) (5. Kf2 $2 c3 6. d7 c2 7. d8=Q c1=Q 8. Qxd4+ Qc4 $1)
5... d3+ (5... c3 6. d7 Bc4+ 7. Kf2 c2 (7... d3 8. d8=Q d2 (8... Kb3 9. Qb6+
Kc2 10. Qg6 Kc1 11. Qg7) 9. Qd4 $1 Kb3 10. Kg1 $1 Kc2 11. Kh2 $1 d1=Q 12. Qxc3+
Kxc3) 8. d8=Q c1=Q 9. Qa5+ Kxa5) 6. Ke3 $1 d2 $1 (6... c3 7. d7 d2 8. d8=Q Bb1
(8... Bb3 9. Qa8+ $1 Kb4 10. Qf8+ $1) (8... Bc4 9. Qd4 Kb3 10. Qxg4 Kb2 11. Qd1
) 9. Qd5 Ka3 10. Qa5+ Kb3 11. Qb5+ Kc2 12. Qa4+) 7. Kxd2 c3+ 8. Kxc3 Be6 9. Kd4
Bd7 10. Ke5 Kb5 11. Kf6 Kc6 12. Ke7 Bc8 13. Kd8 Ba6 14. Ke7 (14. d7 $2 Kd6 15.
Ke8 Bb5) 14... Bc8 15. Kd8 Be6 16. Ke7 Bf5 17. Kf6 $1 Bc8 18. Ke7 Bd7 19. Kd8
$1 Kxd6 (19... Be6 {<main>} 20. Ke7 Bf5 21. Kf6 $1) 1/2-1/2




Complex Puzzle

8/5K2/5p2/6pk/B4Rr1/3N2P1/8/1b6 w - - 0 1
[pgn][Event "3.p Zadachy i Etyudy#0577"]
[Site "?"]
[Date "1998.12.30"]
[Round "?"]
[White "Eilazyan=E"]
[Black "(+0441.12f7h5)"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/5K2/5p2/6pk/B4Rr1/3N2P1/8/1b6 w - - 0 1"]
[PlyCount "21"]
[EventDate "1998.??.??"]

1. Rb4 Rxb4 2. Bd1+ Rg4 3. Nf2 f5 4. Kg7 Bd3 5. Bf3 Bc2 6. Be2 Bd3 7. Bd1 Bc2
8. Bf3 Ba4 9. Bxg4+ fxg4 10. Ne4 Bc2 11. Nf6# 1-0

[/pgn]

Code:

[Event "3.p Zadachy i Etyudy#0577"]
[Site "?"]
[Date "1998.12.30"]
[Round "?"]
[White "Eilazyan=E"]
[Black "(+0441.12f7h5)"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/5K2/5p2/6pk/B4Rr1/3N2P1/8/1b6 w - - 0 1"]
[PlyCount "21"]
[EventDate "1998.??.??"]

{EG#11705} 1. Rb4 Rxb4 (1... Rxg3 {<main>} 2. Bd1+ (2. Kg7 $2 Re3 $1) 2... Kh6
3. Rxb1 Rxd3 4. Bg4 $1) (1... Bxd3 2. Bd1 f5 3. Bxg4+) 2. Bd1+ $1 (2. Nxb4 $2
Kg4) 2... Rg4 (2... g4 3. Nxb4 Kg5 4. Ke6 f5 5. Ke5) 3. Nf2 f5 $1 (3... Bf5 4.
Kg7 Bd7 5. Ne4 $1) 4. Kg7 Bd3 $1 5. Bf3 (5. Nxd3 $2 f4 6. Ne5 f3 $1 7. Bxf3) (
5. Bxg4+ $2 fxg4 6. Nd1 Be4 7. Nc3 Bc6) (5. Nxg4 $2 fxg4 6. Ba4 Bb5 7. Bb3 Bc4
8. Bxc4) 5... Bc2 6. Be2 Bd3 $1 7. Bd1 Bc2 8. Bf3 Ba4 (8... Bb1 {<main>} 9.
Nxg4 fxg4 10. Bc6 Bc2 11. Be8+ Bg6 12. Bxg6#) (8... Be4 9. Nxe4 fxe4 10. Be2 e3
11. Kf6) 9. Bxg4+ fxg4 10. Ne4 Bc2 11. Nf6# 1-0

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesWed Jul 27, 2016 4:56 am

more_horiz
[fen]5r2/p4k2/2p1r3/8/3Q4/P7/5PP1/6K1 b - - 0 36[/fen]

[pgn][Event "Linares 21st"]
[Site "Linares"]
[Date "2004.02.25"]
[Round "6"]
[White "Shirov, Alexei"]
[Black "Radjabov, Teimour"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2736"]
[BlackElo "2656"]
[SetUp "1"]
[FEN "5r2/p4k2/2p1r3/8/3Q4/P7/5PP1/6K1 b - - 0 36"]
[PlyCount "60"]
[EventDate "2004.02.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "ESP"]
[EventCategory "20"]
[SourceTitle "CBM 100"]
[Source "ChessBase"]
[SourceDate "2004.06.01"]

36... a6 37. g4 Rg8 38. f3 Rf6 39. Kf2 Re8 40. Qc4+ Kg7 41. Qxa6 Ref8 42. Qd3
c5 43. a4 Ra8 44. Qc3 Kg6 45. Qxc5 Rfa6 46. Kg3 Rxa4 47. Qd6+ Kf7 48. g5 R8a6
49. Qd7+ Kg6 50. f4 Ra1 51. Qd3+ Kg7 52. Qd4+ Kg8 53. Kg4 R1a2 54. Qd8+ Kg7 55.
Qc7+ Kg8 56. f5 Ra7 57. Qd8+ Kg7 58. f6+ Kh7 59. Qd3+ Kh8 60. Kf5 Ra8 61. Qh3+
Kg8 62. Kg6 R2a7 63. Qe6+ Kf8 64. Qd6+ Kg8 65. Qd5+ Kh8 66. Qh1+ 1-0

[/pgn]

https://en.lichess.org/U6KgCsSG

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesWed Aug 03, 2016 7:09 pm

more_horiz
[fen]K7/7P/2n2P2/8/6pr/7p/k1P1b3/7Q w - - 0 0[/fen]

[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "K7/7P/2n2P2/8/6pr/7p/k1P1b3/7Q w - - 0 0"]
[PlyCount "199"]

1. f7 Rxh7 2. Qxc6 Bf3 3. Qxf3 gxf3 4. f8=Q f2 5. Qxf2 h2 6. c4+ Ka3 7. Qf3+
Kb4 8. Qh1 Kc5 9. Qd5+ Kb4 10. Qd2+ Kc5 11. Qf2+ Kb4 12. Qb2+ Kc5 13. Qb5+ Kd4
14. Qd5+ Kc3 15. Qh1 Kd4 16. Kb8 Kc5 17. Qd5+ Kb4 18. Qd2+ Kc5 19. Qf2+ Kb4 20.
Qb2+ Kc5 21. Qb5+ Kd4 22. Qd5+ Kc3 23. Qh1 Kd4 24. Kc8 Kc5 25. Qd5+ Kb4 26.
Qd2+ Kc5 27. Qf2+ Kb4 28. Qb2+ Kc5 29. Qb5+ Kd4 30. Qd5+ Kc3 31. Qh1 Kd4 32.
Kd8 Kc5 33. Qd5+ Kb4 34. Qd2+ Kc5 35. Qf2+ Kb4 36. Qb2+ Kc5 37. Qb5+ Kd4 38.
Qd5+ Kc3 39. Qh1 Kd4 40. Ke8 Kc5 41. Qd5+ Kb4 42. Qd2+ Kc5 43. Qf2+ Kb4 44.
Qb2+ Kc5 45. Qb5+ Kd4 46. Qd5+ Kc3 47. Qh1 Kd4 48. Kf8 Kc5 49. Qd5+ Kb4 50.
Qd2+ Kc5 51. Qf2+ Kb4 52. Qb2+ Kc5 53. Qb5+ Kd4 54. Qd5+ Kc3 55. Qh1 Kd4 56.
Kg8 Rh3 57. Kg7 Kc5 58. Qd5+ Kb4 59. Qb7+ Kc3 60. Qh1 Kb4 61. Kg6 Kc5 62. Qd5+
Kb4 63. Qb7+ Kc3 64. Qh1 Kb4 65. Kg5 Kc5 66. Qd5+ Kb4 67. Qb7+ Kc3 68. Qh1 Kxc4
69. Qf1+ Rd3 70. Qf4+ Rd4 71. Qxh2 Rd5+ 72. Kf6 Rd4 73. Qg2 Rd5 74. Ke6 Rd3 75.
Ke5 Re3+ 76. Kf4 Rd3 77. Qc6+ Kb4 78. Qb6+ Kc4 79. Ke4 Rc3 80. Qb2 Rb3 81. Qc2+
Kb4 82. Kd4 Ka3 83. Qc1+ Ka2 84. Qd1 Rb8 85. Qe2+ Rb2 86. Qe6+ Kb1 87. Qe4+ Ka2
88. Kc3 Rb3+ 89. Kc2 Rb2+ 90. Kc1 Ka3 91. Qa8+ Kb3 92. Qb7+ Kc4 93. Kxb2 Kd3
94. Qe7 Kd4 95. Qe6 Kd3 96. Qe5 Kc4 97. Qd6 Kb5 98. Kb3 Ka5 99. Kc4 Ka4 100.
Qa6# *

[/pgn]

[fen]b4B1n/k2B4/P1p1p2p/p2P1p2/Pp4p1/P1P4p/1K6/8 w - - 0 0[/fen]
[pgn][Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "b4B1n/k2B4/P1p1p2p/p2P1p2/Pp4p1/P1P4p/1K6/8 w - - 0 0"]
[PlyCount "49"]

1. Bc5+ Kb8 2. Bd6+ Ka7 3. dxc6 bxc3+ 4. Ka1 Bxc6 5. Bc5+ Kxa6 6. Bc8+ Bb7 7.
Bxe6 Be4 8. Bc8+ Bb7 9. Bxf5 Bf3 10. Bc8+ Bb7 11. Bxg4 Bg2 12. Bc8+ Bb7 13.
Bxh3 Bd5 14. Bc8+ Bb7 15. Be6 Bc6 16. Bd4 c2 17. Kb2 Ng6 18. Bc8+ Bb7 19. Bf5
Nf4 20. Be3 c1=Q+ 21. Kxc1 Ne2+ 22. Kb2 Bf3 23. Bc8+ Bb7 24. Bg4 Ng3 25. Bf2 *

[/pgn]

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesWed Aug 03, 2016 7:53 pm

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[fen]3k4/1p3p1p/7P/p5P1/2P5/p7/P7/4K3 w - - 0 0[/fen]

1. Kf2!

Perplex/Puzzle for Engines PhpOywa49

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesFri Aug 05, 2016 9:23 am

more_horiz
[pgn][Event "Shakhmaty v SSSR"]
[Site "?"]
[Date "1985.??.??"]
[Round "?"]
[White "Zinar=M"]
[Black "(+4056.15g6g8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1B2Bqk1/3b4/6K1/5p2/4pp2/3n2Pn/pQ5p/8 w - - 0 1"]
[PlyCount "103"]
[EventDate "1985.??.??"]

{Shakhmaty v SSSR/4} 1. Qb3+ Kh8 2. Qc3+ Kg8 3. Qc4+ Kh8 4. Qd4+ Kg8 5. Qd5+
Kh8 6. Be5+ Nxe5+ 7. Qxe5+ Kg8 8. Qd5+ Kh8 9. Qd4+ Kg8 10. Qc4+ Kh8 11. Qc3+
Kg8 12. Qb3+ Be6 13. Qxe6+ Kh8 14. Qe5+ Kg8 15. Qd5+ Kh8 16. Qd4+ Kg8 17. Qc4+
Kh8 18. Qc3+ Kg8 19. Qb3+ Kh8 20. Qb2+ Kg8 21. Qxa2+ Kh8 22. Qb2+ Kg8 23. Qb3+
Kh8 24. Qc3+ Kg8 25. Qc4+ Kh8 26. Qd4+ Kg8 27. Qd7 Ng5 28. Qd5+ Kh8 29. Qd4+
Kg8 30. Qc4+ Kh8 31. Qc3+ Kg8 32. Qb3+ Kh8 33. Qb2+ Kg8 34. Qa2+ Kh8 35. Qxh2+
Kg8 36. Qa2+ Kh8 37. Qb2+ Kg8 38. Qb3+ Kh8 39. Qc3+ Kg8 40. Qc4+ Kh8 41. Qd4+
Kg8 42. Qd5+ Kh8 43. Qe5+ Kg8 44. Kxg5 fxg3 45. Kg6 g2 46. Qd5+ Kh8 47. Qd4+
Kg8 48. Qc4+ Kh8 49. Qc3+ Kg8 50. Qb3+ Kh8 51. Qh3+ Kg8 52. Qh7# 1-0

[/pgn]

Code:

[Event "Shakhmaty v SSSR"]
[Site "?"]
[Date "1985.??.??"]
[Round "?"]
[White "Zinar=M"]
[Black "(+4056.15g6g8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1B2Bqk1/3b4/6K1/5p2/4pp2/3n2Pn/pQ5p/8 w - - 0 1"]
[PlyCount "103"]
[EventDate "1985.??.??"]

{Shakhmaty v SSSR/4} 1. Qb3+ Kh8 2. Qc3+ Kg8 3. Qc4+ Kh8 4. Qd4+ Kg8 5. Qd5+
Kh8 6. Be5+ Nxe5+ 7. Qxe5+ Kg8 8. Qd5+ Kh8 9. Qd4+ Kg8 10. Qc4+ Kh8 11. Qc3+
Kg8 12. Qb3+ Be6 13. Qxe6+ Kh8 14. Qe5+ Kg8 15. Qd5+ Kh8 16. Qd4+ Kg8 17. Qc4+
Kh8 18. Qc3+ Kg8 19. Qb3+ Kh8 20. Qb2+ Kg8 21. Qxa2+ Kh8 22. Qb2+ Kg8 23. Qb3+
Kh8 24. Qc3+ Kg8 25. Qc4+ Kh8 26. Qd4+ Kg8 27. Qd7 Ng5 28. Qd5+ Kh8 29. Qd4+
Kg8 30. Qc4+ Kh8 31. Qc3+ Kg8 32. Qb3+ Kh8 33. Qb2+ Kg8 34. Qa2+ Kh8 35. Qxh2+
Kg8 36. Qa2+ Kh8 37. Qb2+ Kg8 38. Qb3+ Kh8 39. Qc3+ Kg8 40. Qc4+ Kh8 41. Qd4+
Kg8 42. Qd5+ Kh8 43. Qe5+ Kg8 44. Kxg5 fxg3 45. Kg6 g2 46. Qd5+ Kh8 47. Qd4+
Kg8 48. Qc4+ Kh8 49. Qc3+ Kg8 50. Qb3+ Kh8 51. Qh3+ Kg8 52. Qh7# 1-0

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesFri Aug 05, 2016 1:21 pm

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[fen]8/1P1p1p1p/3P1P1P/1pK5/P7/Pp2p3/bpp1P2P/nkb4R w - - 0 0[/fen]
Mate in 18!


Matefinder available here - http://chess.ultimaiq.net/stockfish.html

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSun Aug 21, 2016 7:17 pm

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QueensideCastler wrote:
[pgn][Event "Shakhmaty v SSSR"]
[Site "?"]
[Date "1985.??.??"]
[Round "?"]
[White "Zinar=M"]
[Black "(+4056.15g6g8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1B2Bqk1/3b4/6K1/5p2/4pp2/3n2Pn/pQ5p/8 w - - 0 1"]
[PlyCount "103"]
[EventDate "1985.??.??"]

{Shakhmaty v SSSR/4} 1. Qb3+ Kh8 2. Qc3+ Kg8 3. Qc4+ Kh8 4. Qd4+ Kg8 5. Qd5+
Kh8 6. Be5+ Nxe5+ 7. Qxe5+ Kg8 8. Qd5+ Kh8 9. Qd4+ Kg8 10. Qc4+ Kh8 11. Qc3+
Kg8 12. Qb3+ Be6 13. Qxe6+ Kh8 14. Qe5+ Kg8 15. Qd5+ Kh8 16. Qd4+ Kg8 17. Qc4+
Kh8 18. Qc3+ Kg8 19. Qb3+ Kh8 20. Qb2+ Kg8 21. Qxa2+ Kh8 22. Qb2+ Kg8 23. Qb3+
Kh8 24. Qc3+ Kg8 25. Qc4+ Kh8 26. Qd4+ Kg8 27. Qd7 Ng5 28. Qd5+ Kh8 29. Qd4+
Kg8 30. Qc4+ Kh8 31. Qc3+ Kg8 32. Qb3+ Kh8 33. Qb2+ Kg8 34. Qa2+ Kh8 35. Qxh2+
Kg8 36. Qa2+ Kh8 37. Qb2+ Kg8 38. Qb3+ Kh8 39. Qc3+ Kg8 40. Qc4+ Kh8 41. Qd4+
Kg8 42. Qd5+ Kh8 43. Qe5+ Kg8 44. Kxg5 fxg3 45. Kg6 g2 46. Qd5+ Kh8 47. Qd4+
Kg8 48. Qc4+ Kh8 49. Qc3+ Kg8 50. Qb3+ Kh8 51. Qh3+ Kg8 52. Qh7# 1-0

[/pgn]

Code:

[Event "Shakhmaty v SSSR"]
[Site "?"]
[Date "1985.??.??"]
[Round "?"]
[White "Zinar=M"]
[Black "(+4056.15g6g8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "1B2Bqk1/3b4/6K1/5p2/4pp2/3n2Pn/pQ5p/8 w - - 0 1"]
[PlyCount "103"]
[EventDate "1985.??.??"]

{Shakhmaty v SSSR/4} 1. Qb3+ Kh8 2. Qc3+ Kg8 3. Qc4+ Kh8 4. Qd4+ Kg8 5. Qd5+
Kh8 6. Be5+ Nxe5+ 7. Qxe5+ Kg8 8. Qd5+ Kh8 9. Qd4+ Kg8 10. Qc4+ Kh8 11. Qc3+
Kg8 12. Qb3+ Be6 13. Qxe6+ Kh8 14. Qe5+ Kg8 15. Qd5+ Kh8 16. Qd4+ Kg8 17. Qc4+
Kh8 18. Qc3+ Kg8 19. Qb3+ Kh8 20. Qb2+ Kg8 21. Qxa2+ Kh8 22. Qb2+ Kg8 23. Qb3+
Kh8 24. Qc3+ Kg8 25. Qc4+ Kh8 26. Qd4+ Kg8 27. Qd7 Ng5 28. Qd5+ Kh8 29. Qd4+
Kg8 30. Qc4+ Kh8 31. Qc3+ Kg8 32. Qb3+ Kh8 33. Qb2+ Kg8 34. Qa2+ Kh8 35. Qxh2+
Kg8 36. Qa2+ Kh8 37. Qb2+ Kg8 38. Qb3+ Kh8 39. Qc3+ Kg8 40. Qc4+ Kh8 41. Qd4+
Kg8 42. Qd5+ Kh8 43. Qe5+ Kg8 44. Kxg5 fxg3 45. Kg6 g2 46. Qd5+ Kh8 47. Qd4+
Kg8 48. Qc4+ Kh8 49. Qc3+ Kg8 50. Qb3+ Kh8 51. Qh3+ Kg8 52. Qh7# 1-0



no engine can see it smile

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesThu Sep 01, 2016 8:36 pm

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Perplex/Puzzle for Engines FKJVOvz2N

[fen]6Q1/7p/7k/8/2B3P1/1r6/K6p/1N5N b - - 0 6[/fen]

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSun Dec 04, 2016 7:59 am

more_horiz
[pgn][Event "1.p 64#063"]
[Site "?"]
[Date "1969.07.04"]
[Round "?"]
[White "Yakovenko=V"]
[Black "(=0051.34c1e2)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "2B5/8/8/p7/p3b2N/P6p/P2Pkp2/2K1B3 w - - 0 1"]
[PlyCount "31"]
[EventDate "1969.??.??"]

{EG#01267} 1. Bg4+ $1 Kd3 $1 2. Bxf2 $1 h2 3. Nf3 $1 h1=Q+ 4. Ng1 $1 (4. Ne1+
$2 Kc4 5. Be6+ Bd5 6. Bf5 Bf7) 4... Kc4 (4... Bg6 5. Be2+ Ke4 6. Bf3+) 5. Be6+
Bd5 6. Bg4 $1 (6. Bc8 $2 Qh6) 6... Kb5 7. Bd7+ Bc6 8. Bg4 $1 (8. Bf5 $2 Qd5)
8... Ka6 9. Bc8+ Bb7 10. Bg4 Bc6 (10... Qc6+ 11. Kd1 $1) 11. Bc8+ Kb5 12. Bg4
Bd5 13. Bd7+ Kc4 14. Bg4 Be4 15. Be6+ Kd3 16. Bg4 1/2-1/2

[/pgn]

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for EnginesSun Dec 11, 2016 5:51 am

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Cook arrow

[pgn][Event "2.p Vechernyaya Odessa"]
[Site "?"]
[Date "1974.??.??"]
[Round "?"]
[White "Olimpiev=B"]
[Black "(=3144.01f5h8)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "7k/8/8/1B1N1K2/8/4R3/1q2p3/1n3b2 w - - 0 1"]
[PlyCount "380"]
[EventDate "1974.??.??"]

{EG#02481} 1. Re8+ Kh7 2. Re7+ Kh6 3. Re6+ Kh5 4. Bxe2+ Kh4 {Cook} (4... Bxe2
5. Rxe2 $11 Qb8 6. Re8 Qb2 7. Re2 Qb8 8. Re8) 5. Re4+ Kg3 6. Rg4+ Kh2 7. Bxf1
Qf2+ 8. Rf4 Qc5 9. Ke5 Nd2 10. Be2 Kg3 11. Bd1 Nc4+ 12. Ke4 Nd6+ 13. Ke5 Nb5
14. Rg4+ Kf2 15. Rf4+ Ke1 16. Bg4 Qd6+ 17. Ke4 Qc6 18. Ke5 Qe8+ 19. Kf5 Kd2 20.
Rf2+ Kc1 21. Rf1+ Kb2 22. Rf4 Nd6+ 23. Kf6 Kc1 24. Bf5 Qd8+ 25. Ke5 Nb5 26. Bg4
Qe8+ 27. Kf5 Nd6+ 28. Kf6 Qg8 29. Ke5 Nf7+ 30. Kd4 Qh8+ 31. Nf6 Qh2 32. Nd5
Qb2+ 33. Kc5 Qa3+ 34. Kd4 Qa7+ 35. Ke4 Kd2 36. Be6 Nd8 37. Kf5 Qh7+ 38. Ke5
Qh8+ 39. Kd6 Nb7+ 40. Kc6 Na5+ 41. Kd6 Nb3 42. Rf2+ Ke1 43. Rf5 Nd4 44. Rf6
Qb8+ 45. Ke7 Nc6+ 46. Kd7 Ne5+ 47. Ke7 Kd2 48. Bd7 Qb3 49. Re6 Qb2 50. Nb6 Qc3
51. Rd6+ Ke1 52. Re6 Kf2 53. Be8 Qc7+ 54. Nd7 Nc6+ 55. Kf8 Kf1 56. Rg6 Ke2 57.
Rf6 Ke1 58. Re6+ Kd1 59. Bh5+ Kd2 60. Re2+ Kd3 61. Nf6 Nd4 62. Re1 Nf5 63. Re6
Qg7+ 64. Ke8 Kc3 65. Bg4 Nh6 66. Rc6+ Kd4 67. Bc8 Qf7+ 68. Kd8 Qf8+ 69. Kc7 Nf7
70. Nd7 Qh8 71. Kb8 Nd8 72. Rd6+ Kc3 73. Ka7 Qh7 74. Ba6 Qf7 75. Bb7 Qe7 76.
Rd5 Ne6 77. Nb6 Kc2 78. Nd7 Qb4 79. Ba8 Qa3+ 80. Kb8 Qc3 81. Ka7 Kb3 82. Kb6
Qc7+ 83. Ka6 Kb4 84. Bb7 Qf4 85. Rb5+ Kc3 86. Ka7 Qa4+ 87. Ba6 Qa1 88. Nb6 Kc2
89. Nd5 Kd2 90. Rb6 Qd4 91. Bb7 Ke1 92. Bc6 Kf2 93. Kb8 Nc5 94. Rb5 Qg7 95. Rb6
Qg6 96. Ka7 Kg1 97. Ka8 Qd6 98. Rb1+ Kf2 99. Rb2+ Kg3 100. Rb6 Nd3 101. Kb7 Ne5
102. Nc7 Nc4 103. Ra6 Qe7 104. Bd5 Qb4+ 105. Ka7 Nd6 106. Ka8 Kh2 107. Ra2+ Kh3
108. Ra6 Kg3 109. Bh1 Nc4 110. Bb7 Qf8+ 111. Ka7 Ne5 112. Re6 Qd8 113. Na6 Kf4
114. Rh6 Qd4+ 115. Ka8 Qd7 116. Nb8 Qd8 117. Rh7 Kg4 118. Be4 Kg3 119. Rb7 Nc4
120. Rg7+ Kf4 121. Bc6 Ne5 122. Bb7 Kf5 123. Rh7 Kf6 124. Ba6 Kg6 125. Rb7 Nc6
126. Rb5 Kh6 127. Rb1 Kh5 128. Rb5+ Kh4 129. Rb7 Nd4 130. Rh7+ Kg5 131. Rg7+
Kh6 132. Rd7 Qb6 133. Bb7 Nb3 134. Na6 Kg6 135. Be4+ Kg5 136. Bb7 Kh6 137. Rc7
Na5 138. Bc8 Nc6 139. Rd7 Nd4 140. Nc7 Qc5 141. Kb7 Nc6 142. Na6 Na5+ 143. Kb8
Qb6+ 144. Ka8 Nc4 145. Bb7 Nd6 146. Nb8 Qa5+ 147. Na6 Nb5 148. Kb8 Qb6 149. Nb4
Qe6 150. Bc8 Qe5+ 151. Kb7 Nd6+ 152. Rxd6+ Qxd6 153. Nc6 Kg5 154. Kb6 Qh6 155.
Ba6 Kf5 156. Bc4 Qe3+ 157. Kb5 Ke4 158. Be6 Kd3 159. Bf5+ Kc3 160. Bc8 Qf2 161.
Ba6 Kd3 162. Bc8 Qf6 163. Ba6 Ke4 164. Kc5 Qf8+ 165. Kb5 Kd5 166. Nb4+ Kd6 167.
Kb6 Qe8 168. Nd3 Qe3+ 169. Ka5 Kd5 170. Nb4+ Kc5 171. Nd3+ Kd4 172. Nb4 Qb3
173. Nd3 Qa3+ 174. Kb6 Qd6+ 175. Kb7 Qd8 176. Bb5 Qa5 177. Kc6 Qa7 178. Bc4
Qa8+ 179. Kd6 Qe4 180. Nb2 Qc2 181. Nd3 Qxc4 182. Nf2 Qb4+ 183. Kc6 Qd2 184.
Ne4 Qc2+ 185. Nc3 Ke5 186. Kb6 Qxc3 187. Ka6 Qb3 188. Ka5 Kd5 189. Ka6 Kc6 190.
Ka5 Qa3# 1/2-1/2

[/pgn]

descriptionPerplex/Puzzle for Engines EmptyRe: Perplex/Puzzle for Engines

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