Complex Puzzle

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Nordlandia
Posts: 2822
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

  • Image
  • New game
    Analysis by Stockfish 150616 64 POPCNT:

    1.b8Q+ Re8 2.Qxe8+ Rf8 3.Qxf8+ Bg8+ 4.Ra5 Qxa5+ 5.Ra4 Qxa4+ 6.Ba3 Nxc2+ 7.Kb1 Nxa3+ 8.bxa3 Qb3+ 9.Kxc1 Qxc3+ 10.Kb1 Qe1+ 11.Kc2 Qe2+ 12.Kb1 Qf1+ 13.Kc2 Qc4+ 14.Kb1 Qe4+ 15.Kc1 Qc6+ 16.Kd1 Qxc7 17.fxe3 h5 18.Qe8 Qf7 19.Qxf7 Bxf7 20.Kc2 Kh7 21.a4 Kg6 22.Kd3 Kxf6 23.a5 Ke5 24.a6 Bd5 25.h3 Bf3 26.a7 Bd5 27.Kd2 Bf3 28.Kc2
    -/+ (-1.19) Depth: 32/87 00:02:04 351MN, tb=130339
    (Nordlandia, 17.06.2016)

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    7k/1PP2r1p/q2BrP2/2R5/1R5p/2P1p3/bPP2P1P/K1n1n3 w - - 0 0
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Nordlandia
Posts: 2822
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Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

  • Image
  • Analysis by Stockfish 150616 64 BMI2:

    1.Rf6+
    +- (3.55 ++) Depth: 36/72 00:00:29 693MN, tb=2319899
    (18.06.2016)

  • Code: Select all

    r7/3r4/R1R5/3p4/B2P1k1P/2pP3b/2P2K1P/q7 w - - 0 0
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Nordlandia
Posts: 2822
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Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

Image

Code: Select all

1k2n1rB/2R5/K7/6P1/8/7p/5N2/8 w - - 0 0
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Nordlandia
Posts: 2822
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Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

[pgn][Event "1.hm Buletin Problemistic#288"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Carlsson=O"]
[Black "(+3111.02g3g1)"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/2p5/8/8/3p2K1/R4N2/2qB2k1 w - - 0 1"]
[PlyCount "9"]
[EventDate "1991.??.??"]

{Buletin Problemistic/7-12 1992 EG#09290} 1. Ne4 $1 (1. Nh3+ $2 Kf1 2. Rh2 Ke1
3. Rh1+ Kd2 4. Bf3 Qa3 5. Rd1+ Kc2 6. Nf4 d2 7. Rh1 Qxf3+) (1. Ng4 $2 Qc5 $1 2.
Rg2+ Kf1 3. Nh2+ Ke1 4. Bb3 Qe5+ 5. Kh3 Qh5+ 6. Kg3 Qe5+ 7. Kg4 Qd4+ 8. Kh3
Qh8+ 9. Kg3 Qe5+) (1. Nxd3 $2 Qg5+ 2. Bg4 Qe3+ 3. Bf3 Qg5+ 4. Kh3 Qf5+) (1. Kf3
$2 Qh6 $1) (1. Bg4 $2 Qe1 $1) 1... Qxd1 (1... Qh6 {<main>} 2. Bg4 $1 (2. Rg2+
$2 Kf1 3. Rh2 Qg6+ 4. Kf3 Qf7+ 5. Ke3 Qa7+ 6. Kxd3 Qa3+ 7. Kc4 Qc1+ 8. Bc2 Qf4)
2... Qh8 3. Rg2+ Kf1 4. Rd2 Qb8+ 5. Kf3 Qf8+ 6. Ke3 Qh6+ 7. Kxd3 Qf4 8. Bh3+
Ke1 9. Re2+) (1... Kf1 2. Rh2 $1 Qe3+ 3. Bf3 Qg1+ 4. Kh3 Ke1 5. Rd2 Qf1+ 6. Kg3
Qg1+ 7. Kf4) 2. Rg2+ Kf1 3. Nd2+ Ke1 4. Nf3+ Qxf3+ 5. Kxf3 1-0

[/pgn]

  • Code: Select all

    8/8/2p5/8/8/3p2K1/R4N2/2qB2k1 w - - 0 1
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Nordlandia
Posts: 2822
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

Spiral Puzzle!
[pgn][Event "5.c Ceskoslovensky Sach (m) @2? @3?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Lovtsov=V"]
[Black "(+4046.23b4e5)"]
[Result "1-0"]
[SetUp "1"]
[FEN "n1b5/8/1P1pq3/1n2kp2/pK6/3PB3/Q7/8 w - - 0 1"]
[PlyCount "43"]
[EventDate "1991.??.??"]

{Ceskoslovensky Sach/2 1992 EG#09304 (m): Lovtsov=V Ceskoslovensky Sach/4 1993
@2?= @3?: Roycroft=A EG=112 9/1994} 1. Qb2+ Kd5 2. Qg2+ (2. b7 $1 {<cook AR>})
2... Ke5 3. Qg7+ Kd5 4. b7 Bxb7 (4... Nac7 $1 {<cook AR>}) 5. Qxb7+ Ke5 6. Qg7+
Kd5 7. Qg2+ Ke5 8. Qb2+ Kd5 9. Qa2+ Ke5 10. Qa1+ Kd5 11. Qh1+ Ke5 12. Qh8+ Kd5
13. Qxa8+ Ke5 14. Qh8+ Kd5 15. Qh1+ Ke5 16. Qa1+ Kd5 17. Qa2+ Ke5 18. Qb2+ Kd5
19. Qg2+ Ke5 20. Qg7+ Kd5 21. Qb7+ Ke5 22. Qxb5+ 1-0

[/pgn]

Code: Select all

[Event "5.c Ceskoslovensky Sach (m) @2? @3?"]
[Site "?"]
[Date "1991.??.??"]
[Round "?"]
[White "Lovtsov=V"]
[Black "(+4046.23b4e5)"]
[Result "1-0"]
[SetUp "1"]
[FEN "n1b5/8/1P1pq3/1n2kp2/pK6/3PB3/Q7/8 w - - 0 1"]
[PlyCount "43"]
[EventDate "1991.??.??"]

{Ceskoslovensky Sach/2 1992 EG#09304 (m): Lovtsov=V Ceskoslovensky Sach/4 1993
@2?= @3?: Roycroft=A EG=112 9/1994} 1. Qb2+ Kd5 2. Qg2+ (2. b7 $1 {<cook AR>})
2... Ke5 3. Qg7+ Kd5 4. b7 Bxb7 (4... Nac7 $1 {<cook AR>}) 5. Qxb7+ Ke5 6. Qg7+
Kd5 7. Qg2+ Ke5 8. Qb2+ Kd5 9. Qa2+ Ke5 10. Qa1+ Kd5 11. Qh1+ Ke5 12. Qh8+ Kd5
13. Qxa8+ Ke5 14. Qh8+ Kd5 15. Qh1+ Ke5 16. Qa1+ Kd5 17. Qa2+ Ke5 18. Qb2+ Kd5
19. Qg2+ Ke5 20. Qg7+ Kd5 21. Qb7+ Ke5 22. Qxb5+ 1-0

  • Code: Select all

    n1b5/8/1P1pq3/1n2kp2/pK6/3PB3/Q7/8 w - - 0 1
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Nordlandia
Posts: 2822
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

[pgn][Event "1/2.p Mihoc MT Buletin Problemistic"]
[Site "?"]
[Date "1993.??.??"]
[Round "?"]
[White "Iriarte=E"]
[Black "(+0053.14c2e2)"]
[Result "1-0"]
[SetUp "1"]
[FEN "4nB2/1B6/p4P1b/p7/p7/6p1/2K1k3/8 w - - 0 1"]
[PlyCount "17"]
[EventDate "1993.??.??"]

{Buletin Problemistic/7-12 EG#09342} 1. f7 Ng7 2. Bg2 $1 a3 3. Kb1 $1 (3. Kb3
$2 a4+ 4. Ka2 a5 5. Ka1 Ne6 6. Bxh6 Kf2 7. Bd5 g2 8. Bxe6 g1=Q+ 9. Ka2 Ke1 10.
f8=Q Qg2+ 11. Kxa3 Qf3+ 12. Qxf3) 3... a4 4. Ka1 a5 5. Ka2 Kd3 6. Bf3 Kc4 7.
Be4 Kb5 8. Bd5 Ka6 9. Bc6 1-0

[/pgn]

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    4nB2/1B6/p4P1b/p7/p7/6p1/2K1k3/8 w - - 0 1
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Nordlandia
Posts: 2822
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Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

[pgn][Event "1.p Nadareishvili MT Shamati (Tbilisi)"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Gogberashvili=M"]
[Black "(+0051.05f5h6)"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/b2p3k/5K1p/5p2/5p2/B6p/B2N4 w - - 0 1"]
[PlyCount "53"]
[EventDate "1992.??.??"]

{EG#09425} 1. Nf2 Bf1 2. Bg8 Bg2 3. Bh8 h1=Q 4. Nxh1 Bxh1 5. Kf6 h4 6. Bg7+ Kh5
7. Kf5 h3 8. Bf7+ Kh4 9. Kxf4 h2 10. Bd4 Kh3 (10... Bg2 11. Bf6+ Kh3 12. Be6#)
11. Bf2 Kg2 12. Ke3 Kh3 13. Be6+ Kg2 14. Bg4 Kf1 15. Bh3+ Bg2 16. Bc8 Bh1 (
16... d5 17. Ba6#) 17. Bb7 d5 18. Bxd5 Kg2 19. Bxf3+ Kf1 20. Be2+ (20. Bxh1 $2)
20... Kg2 21. Ba6 Kh3 22. Bc8+ Kg2 23. Bb7+ (23. Ke2 $2) 23... Kf1 24. Ba6+ Kg2
25. Ke2 Kh3 26. Bc8+ Kg2 27. Bb7+ 1-0

[/pgn]

  • Code: Select all

    [Event "1.p Nadareishvili MT Shamati (Tbilisi)"]
[Site "?"]
[Date "1992.??.??"]
[Round "?"]
[White "Gogberashvili=M"]
[Black "(+0051.05f5h6)"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/b2p3k/5K1p/5p2/5p2/B6p/B2N4 w - - 0 1"]
[PlyCount "53"]
[EventDate "1992.??.??"]

{EG#09425} 1. Nf2 Bf1 2. Bg8 Bg2 3. Bh8 h1=Q 4. Nxh1 Bxh1 5. Kf6 h4 6. Bg7+ Kh5
7. Kf5 h3 8. Bf7+ Kh4 9. Kxf4 h2 10. Bd4 Kh3 (10... Bg2 11. Bf6+ Kh3 12. Be6#)
11. Bf2 Kg2 12. Ke3 Kh3 13. Be6+ Kg2 14. Bg4 Kf1 15. Bh3+ Bg2 16. Bc8 Bh1 (
16... d5 17. Ba6#) 17. Bb7 d5 18. Bxd5 Kg2 19. Bxf3+ Kf1 20. Be2+ (20. Bxh1 $2)
20... Kg2 21. Ba6 Kh3 22. Bc8+ Kg2 23. Bb7+ (23. Ke2 $2) 23... Kf1 24. Ba6+ Kg2
25. Ke2 Kh3 26. Bc8+ Kg2 27. Bb7+ 1-0

  • Code: Select all

    8/8/b2p3k/5K1p/5p2/5p2/B6p/B2N4 w - - 0 1
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Nordlandia
Posts: 2822
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Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

[pgn][Event "2.p Gori Ty @2"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Kalandadze=V"]
[Black "(=0048.11g8c7)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6K1/2k2n2/B1P2N2/6n1/4N3/8/2p5/7b w - - 0 1"]
[PlyCount "18"]
[EventDate "1988.??.??"]

{EG#09434 @2: Hornecker=S HHdbIV 30-6-2005} 1. Nd5+ Kxc6 2. Nb4+ Kb6 3. Nxc2
Bxe4 4. Bc4 (4. Nb4 Ka5 5. Bc4 (5. Bd3 $1 {<cook SH>}) 5... Nh6+ 6. Kg7 Nf5+ 7.
Kf6 Kxb4 8. Be2 Nh7+) 4... Nh6+ 5. Kg7 Nf5+ 6. Kh8 Bxc2 7. Bb3 Bb1 (7... Bxb3)
8. Ba2 Be4 9. Bd5 Bxd5 1/2-1/2

[/pgn]

Code: Select all

[Event "2.p Gori Ty @2"]
[Site "?"]
[Date "1988.??.??"]
[Round "?"]
[White "Kalandadze=V"]
[Black "(=0048.11g8c7)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6K1/2k2n2/B1P2N2/6n1/4N3/8/2p5/7b w - - 0 1"]
[PlyCount "18"]
[EventDate "1988.??.??"]

{EG#09434 @2: Hornecker=S HHdbIV 30-6-2005} 1. Nd5+ Kxc6 2. Nb4+ Kb6 3. Nxc2
Bxe4 4. Bc4 (4. Nb4 Ka5 5. Bc4 (5. Bd3 $1 {<cook SH>}) 5... Nh6+ 6. Kg7 Nf5+ 7.
Kf6 Kxb4 8. Be2 Nh7+) 4... Nh6+ 5. Kg7 Nf5+ 6. Kh8 Bxc2 7. Bb3 Bb1 (7... Bxb3)
8. Ba2 Be4 9. Bd5 Bxd5 1/2-1/2

  • Code: Select all

    6K1/2k2n2/B1P2N2/6n1/4N3/8/2p5/7b w - - 0 1
Author claims draw, even though last stockfish dev evaluates black position as -0.55/-0.75.
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Vinvin
Posts: 5298
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle

Post by Vinvin »

Nordlandia wrote:Image

Code: Select all

1k2n1rB/2R5/K7/6P1/8/7p/5N2/8 w - - 0 0
After 4.Nd3, SF thinks it's draw for 2 moves :
FEN: 2k5/1R6/K4P2/8/8/3N3p/6r1/8 b - - 2 4

39/16 00:01 14 981k 12 816k 0,00 4. ... Rg1 5.f7 Rf1 6.f8R+ Rxf8
39/16 00:01 14 981k 12 816k 0,00 4. ... Rg5 5.f7 Rf5 6.Ne5 h2 7.Rb1 Kd8 8.Rh1 Ke7 9.Nc6+ Kf8 10.Nd8 Ke7 11.Nb7 Rxf7
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Nordlandia
Posts: 2822
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle

Post by Nordlandia »

Interesting position :)

[d]8/8/3N4/2q4k/8/R7/bN6/3n1K1B w - - 0 1

[pgn][Event "5.p Ceskoslovensky Sach#648"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Matous=M"]
[Black "(=3145.00f1h5)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/3N4/2q4k/8/R7/bN6/3n1K1B w - - 0 1"]
[PlyCount "12"]
[EventDate "1995.??.??"]

{Ceskoslovensky Sach/7 EG#11147} 1. Rh3+ (1. Bf3+ $2 Kh6 $1 2. Nf5+ (2. Nf7+
Kg7) 2... Kg5) 1... Kg4 2. Rg3+ Kh4 3. Nxd1 (3. Ne4 $2 Qb5+ 4. Nd3 Bc4 5. Ke2
Bxd3+ 6. Rxd3 Nb2) 3... Qxd6 4. Ne3 Bc4+ (4... Qd3+ 5. Kf2 Qd2+ 6. Kg1 Qe1+ 7.
Nf1 Bc4 8. Bg2 $1 (8. Rf3 $2 Bxf1 9. Rf4+ Kg3 10. Rf3+ Kg4 11. Rxf1 Qe3+ 12.
Kg2 Qg3#) 8... Bxf1 9. Rh3+) 5. Kg1 Qxg3+ 6. Ng2+ Kg5 1/2-1/2

[/pgn]

Code: Select all

[Event "5.p Ceskoslovensky Sach#648"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Matous=M"]
[Black "(=3145.00f1h5)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/3N4/2q4k/8/R7/bN6/3n1K1B w - - 0 1"]
[PlyCount "12"]
[EventDate "1995.??.??"]

{Ceskoslovensky Sach/7 EG#11147} 1. Rh3+ (1. Bf3+ $2 Kh6 $1 2. Nf5+ (2. Nf7+
Kg7) 2... Kg5) 1... Kg4 2. Rg3+ Kh4 3. Nxd1 (3. Ne4 $2 Qb5+ 4. Nd3 Bc4 5. Ke2
Bxd3+ 6. Rxd3 Nb2) 3... Qxd6 4. Ne3 Bc4+ (4... Qd3+ 5. Kf2 Qd2+ 6. Kg1 Qe1+ 7.
Nf1 Bc4 8. Bg2 $1 (8. Rf3 $2 Bxf1 9. Rf4+ Kg3 10. Rf3+ Kg4 11. Rxf1 Qe3+ 12.
Kg2 Qg3#) 8... Bxf1 9. Rh3+) 5. Kg1 Qxg3+ 6. Ng2+ Kg5 1/2-1/2
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