Bishop Pair

Discussion of anything and everything relating to chess playing software and machines.

Moderators: hgm, Rebel, chrisw

User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

Image

Code: Select all

6k1/pb3pbp/6p1/1p6/8/1N3N2/PP3PPP/6K1 w - - 0 1
-------------------
[d]r5k1/pp3pbp/3N2p1/5b2/8/1P1pN2P/P4PP1/5RK1 b - - 0 3
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

[pgn][Event "Corus"]
[Site "Wijk aan Zee NED"]
[Date "2001.01.22"]
[Round "8"]
[White "Veselin Topalov"]
[Black "Viswanathan Anand"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2718"]
[BlackElo "2790"]
[SetUp "1"]
[FEN "r2q1rk1/2p2ppp/p3bb2/1p6/3PB3/5Q2/PP3PPP/R1B2RK1 b - - 0 16"]
[PlyCount "36"]
[EventDate "2001.01.13"]

16... Bxd4 17. Rd1 c5 18. Bxa8 Qxa8 19. Be3 Qxf3 20. gxf3 Bxb2 21. Bxc5 Rc8 22.
Rab1 h6 23. Bb4 Be5 24. a3 Rc6 25. Rbc1 Bc4 26. Rd8+ Kh7 27. Re1 Bc7 28. Rd7
Be6 29. Rd3 Bf5 30. Rd5 Bh3 31. Kh1 Rf6 32. Rd3 Be6 33. Bc3 Rf5 34. Rxe6
1/2-1/2

[/pgn]

Code: Select all

r2q1rk1/2p2ppp/p3b3/1p6/3bB3/5Q2/PP3PPP/R1B2RK1 w - - 0 17
16... Bxd4! Anand gets a pawn, the bishop-pair, a mobile pawn majority on the queenside and a strong outpost on d4. Furthermore, White's rooks have no real prospects. What more could you ask for?
Brief Lichess Analysis - https://nb.lichess.org/tBYxRfGH#32
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

[d]6k1/1p1n1ppp/p2p1n2/3Pp3/4P3/P4P2/1P2B1PP/2B3K1 b - - 0 24
[pgn][Event "Botvinnik - Flohr"]
[Site "Moscow / Leningrad RUS"]
[Date "1933.12.05"]
[Round "6"]
[White "Salomon Flohr"]
[Black "Mikhail Botvinnik"]
[Result "1-0"]
[ECO "E38"]
[SetUp "1"]
[FEN "6k1/1p1n1ppp/p2p1n2/3Pp3/4P3/P4P2/1P2B1PP/2B3K1 b - - 0 24"]
[PlyCount "90"]
[EventDate "1933.11.28"]

24... Kf8 25. Kf2 Ke7 26. Be3 Kd8 27. Ke1 Kc7 28. Kd2 Nc5 29. b4 Ncd7 30. g3
Nb6 31. Kc2 Nbd7 32. a4 Nb6 33. a5 Nbd7 34. Bc1 Kd8 35. Bb2 Ne8 36. Kd2 Nc7 37.
Ke3 Ke7 38. Bf1 Nb5 39. h4 Nc7 40. Bh3 Ne8 41. f4 f6 42. Bf5 g6 43. Bh3 h6 44.
Bc1 Ng7 45. fxe5 dxe5 46. Kf3 h5 47. Be3 Kd6 48. Bh6 Ne8 49. g4 hxg4+ 50. Bxg4
Nc7 51. Be3 Nb5 52. Ke2 Nc7 53. Kd3 f5 54. exf5 gxf5 55. Bxf5 Nxd5 56. Bd2 N7f6
57. Kc4 Kc6 58. Bg6 b5+ 59. Kd3 Ne7 60. Be4+ Ned5 61. Bg5 Nh5 62. Bf3 Ng3 63.
Bd2 Kd6 64. Bg4 Nf6 65. Bc8 Kc6 66. Be1 e4+ 67. Kd4 Ngh5 68. Bf5 Kd6 69. Bd2
1-0

[/pgn]Stockfish assessment: +0.65 +/-
-------------------------
[d]r1b1r1k1/p4pp1/2p4p/1pbpN3/5P2/1B1P4/PPP1K1PP/R6R w - - 0 17
[pgn][Event "San Sebastian"]
[Site "San Sebastian ESP"]
[Date "1912.03.11"]
[Round "16"]
[White "Siegbert Tarrasch"]
[Black "Akiba Rubinstein"]
[Result "0-1"]
[ECO "C48"]
[SetUp "1"]
[FEN "r1br2k1/p4pp1/2p4p/1pbpN3/5P2/1B1P4/PPP1K1PP/R6R b - - 0 16"]
[PlyCount "81"]
[EventDate "1912.02.19"]

16... Re8 17. Kf1 Bb7 18. c3 f6 19. Ng4 h5 20. Nf2 Be3 21. Bd1 h4 22. g3 a5 23.
Bf3 b4 24. Kg2 bxc3 25. bxc3 Ba6 26. c4 Rad8 27. cxd5 cxd5 28. Rhd1 Re7 29. Ng4
hxg3 30. hxg3 Bd4 31. Rac1 Rb7 32. Rc2 Kf7 33. Nf2 Rb2 34. Rxb2 Bxb2 35. Rd2
Bd4 36. Nh3 Ke6 37. Rc2 Kd6 38. f5 Rc8 39. Bd1 Rxc2+ 40. Bxc2 Ke5 41. g4 Be3
42. Kf3 Kd4 43. Bb3 Bb7 44. Ke2 Ba6 45. Bc2 Bb5 46. a4 Bd7 47. Kf3 Kc3 48. Kxe3
d4+ 49. Ke2 Kxc2 50. Nf4 Bxa4 51. Ne6 Bb3 52. Nxd4+ Kb2 53. Nb5 a4 54. Ke3 a3
55. Nxa3 Kxa3 56. Kd4 Kb4 0-1

[/pgn]Stockfish assessment: -0.35 +/-
--------------------------
[d]6k1/1b3p2/ppq1pbpp/8/2P5/1P3N2/P3QPPP/3B2K1 b - - 0 27
[d]6k1/1b3p2/pp2pbpp/8/2P5/1P3N2/P4PPP/3B2K1 b - - 0 27
[pgn][Event "USSR Championship"]
[Site "Moscow URS"]
[Date "1955.02.25"]
[Round "9"]
[White "Yuri Averbakh"]
[Black "Mikhail Botvinnik"]
[Result "0-1"]
[ECO "C15"]
[SetUp "1"]
[FEN "6k1/1b3p2/ppq1pbpp/8/2P5/1P3N2/P3QPPP/3B2K1 b - - 0 27"]
[PlyCount "77"]
[EventDate "1955.??.??"]

27... e5 28. Ne1 e4 29. Nc2 Qd6 30. Ne3 Qd4 31. Nd5 Bg5 32. g3 f5 33. h4 Bd8
34. Bc2 Kf7 35. Qd1 Qxd1+ 36. Bxd1 Ke6 37. Nf4+ Kf6 38. Kf1 g5 39. hxg5+ hxg5
40. Nd5+ Ke5 41. a3 Kd4 42. Be2 Bc8 43. Kg2 Bd7 44. Kf1 Be8 45. Kg1 Bf7 46. Kg2
a5 47. Kf1 f4 48. gxf4 gxf4 49. Nxf4 Kc3 50. Bd1 Kd2 51. Bg4 Kc2 52. Be6 Bxe6
53. Nxe6 Be7 54. Nd4+ Kc3 55. Nf5 Bf8 56. Ng3 Kxb3 57. Ke2 Kxa3 58. Nxe4 Kb3
59. Kd3 a4 60. Nd2+ Kb2 61. c5 b5 62. c6 Bd6 63. Ne4 Bb8 64. Nc3 a3 65. f4 Bxf4
0-1

[/pgn]Stockfish assessment: -0.75 in both cases!
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

[d]r1b2rk1/ppp2pbp/6p1/1B2n3/4N3/5P2/PPP1N1PP/2KR3R b - - 0 15
[pgn][Event "Lasker - Blackburne"]
[Site "London ENG"]
[Date "1892.06.07"]
[Round "7"]
[White "Joseph Henry Blackburne"]
[Black "Emanuel Lasker"]
[Result "0-1"]
[ECO "C22"]
[SetUp "1"]
[FEN "r1b2rk1/ppp2pbp/6p1/1B2n3/4N3/5P2/PPP3PP/2KR2NR w - - 0 15"]
[PlyCount "72"]
[EventDate "1892.05.27"]

15. Ne2 a6 16. Bd3 f5 17. N4c3 Be6 18. Kb1 Rad8 19. Nf4 Bf7 20. Be2 Nc6 21.
Rxd8 Rxd8 22. Rd1 Re8 23. Bf1 b5 24. Nd3 Bd4 25. Ne2 Bb6 26. b3 Kg7 27. c3 Kf6
28. Kc2 Ne7 29. Nec1 Nd5 30. Kb2 b4 31. Nxb4 Ne3 32. Re1 Nc4+ 33. Bxc4 Rxe1 34.
Bxa6 Rg1 35. g3 Rg2+ 36. Ka3 Rxh2 37. Ne2 Rg2 38. Nc2 g5 39. Bd3 h5 40. Kb4 Bf2
41. a4 c5+ 42. Kb5 Bxb3 43. a5 c4 44. Bxc4 Bxc2 45. a6 Bd1 46. Nd4 Bxd4 47.
cxd4 Bxf3 48. d5 Be2 49. Bxe2 Rxe2 50. a7 Ra2 0-1

[/pgn]Stockfish assessment: -0.55 +/-
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

Code: Select all

3r4/1p2kppp/p3pb2/4n3/5B2/2P5/PP2BPPP/2K1R3 w - - 0 1
[pgn][Event "Wijk ann Zee"]
[Site "Wijk ann Zee"]
[Date "1981.??.??"]
[Round "?"]
[White "Svyeshnikiv"]
[Black "Browne"]
[Result "1-0"]
[SetUp "1"]
[FEN "3r4/1p2kppp/p3pb2/4n3/5B2/2P5/PP2BPPP/2K1R3 w - - 0 1"]
[PlyCount "73"]
[EventDate "1981.??.??"]
[SourceDate "2003.11.11"]

1. Kc2 Rd5 2. Be3 g5 3. h3 Rd8 4. Bh5 Rd5 5. Be2 Rd8 6. Kb3 Rc8 7. Bh5 Nd3 8.
Rd1 Nc5+ 9. Kb4 Ne4 10. Ka5 Nd6 11. Kb6 Rc6+ 12. Ka7 Rc7 13. Bb6 Rc6 14. Ba5
Be5 15. Bf3 Rc5 16. Bb4 Rc7 17. Kb6 Rd7 18. Re1 f6 19. a4 Kd8 20. Bxd6 Rxd6+
21. Kxb7 Rd2 22. Rd1 Rxd1 23. Bxd1 a5 24. Kb6 Bc7+ 25. Kc6 Bf4 26. Kb7 Be5 27.
Be2 Bd6 28. g3 f5 29. Kc6 Bb8 30. Bc4 e5 31. b4 Ba7 32. Kb7 Bxf2 33. bxa5 Bxg3
34. a6 Bf2 35. Be6 f4 36. Bd5 h5 37. Bf3 1-0

[/pgn]Stockfish assessment: +0.60 +/-
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

Code: Select all

3b4/1p1r1k1p/2b5/6p1/1B6/P3RP1N/5PKP/8 w - - 0 47
[pgn][Event "36th Olympiad"]
[Site "Calvia ESP"]
[Date "2004.10.17"]
[Round "3.30"]
[White "Mohamed Tissir"]
[Black "Rustam Kasimdzhanov"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2394"]
[BlackElo "2650"]
[SetUp "1"]
[FEN "3b4/1p1r1kpp/2b5/8/1B6/P3RP1N/5PKP/8 b - - 0 46"]
[PlyCount "79"]
[EventDate "2004.10.15"]

46... g5 47. Kf1 Rd1+ 48. Ke2 Rh1 49. f4 gxf4 50. Nxf4 Rxh2 51. Nd3 Bb5 52.
Rf3+ Ke6 53. Re3+ Kd7 54. Ke1 Rh1+ 55. Kd2 Bg5 56. f4 Rh2+ 57. Kd1 Bh6 58. Nc5+
Kc8 59. Rc3 Bc6 60. Nd3 Kd8 61. Bd6 Rh1+ 62. Ke2 Rh2+ 63. Kd1 Rh3 64. Kc2 Be4
65. Kd2 Bf5 66. Bc7+ Ke8 67. Be5 Bf8 68. Nb4 Rxc3 69. Kxc3 h5 70. Bf6 Kf7 71.
Bg5 Ke6 72. a4 Bg7+ 73. Kd2 Be4 74. Ke3 Bb1 75. Nd3 Kd5 76. Ne5 Bc2 77. a5 Bf8
78. Bd8 Bf5 79. Kf3 Bb4 80. Bb6 h4 81. Ng4 Ke6 82. Ne3 Bd2 83. Bd8 Be1 84. Ke2
h3 85. Kf3 {# #} Be4+ 0-1

[/pgn]Stockfish assessment: [-0.55 +/-]
---------------------
[d]5r2/5pbk/2B3p1/N1P5/p7/1b4P1/3R1P1P/6K1 b - - 0 0
Stockfish assessment: -0.70 +/-
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

[d]1qrr2k1/ppn1ppbp/2p3p1/8/2RPP3/1P4P1/PB3PBP/3RQ1K1 w - - 0 1

Stockfish assessment: +0.45 +/-
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

Code: Select all

r1rq2k1/1p2ppbp/3p2p1/p1nb4/2P1P2P/1P2BB2/P2Q1PP1/1RR3K1 w - - 0 18
[pgn][Event "Tournament (thematic)"]
[Site "Buenos Aires ARG"]
[Date "1994.10.??"]
[Round "3"]
[White "Vassily Ivanchuk"]
[Black "Viswanathan Anand"]
[Result "1-0"]
[ECO "B32"]
[SetUp "1"]
[FEN "r1rq2k1/1p2ppbp/3p2p1/p1nb4/2P1P2P/1P2BB2/P2Q1PP1/1RR3K1 w - - 0 18"]
[PlyCount "35"]
[EventDate "1994.??.??"]

18. exd5 Qd7 19. Qe2 Re8 20. h5 Qf5 21. Rd1 Be5 22. g4 Qc8 23. Kg2 Bg7 24. Rh1
Nd7 25. hxg6 hxg6 26. Rh4 a4 27. Rbh1 axb3 28. axb3 Ra1 29. R1h3 Qa8 30. Rh7
Qa2 31. Rxg7+ Kxg7 32. Bd4+ f6 33. Qe3 Nf8 34. Be4 Kf7 35. Rh8 1-0

[/pgn]Stockfish assessment: +0.60 +/-

Lichess Analysis - https://en.lichess.org/Qj8j1QjW#0
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

Code: Select all

r1br2k1/ppp2pbp/6p1/8/2qN1P2/2P1B3/PP3QPP/R4RK1 b - - 0 16
[pgn][Event "Vienna"]
[Site "Vienna AUT"]
[Date "1873.08.04"]
[Round "5.1"]
[White "Samuel Rosenthal"]
[Black "Wilhelm Steinitz"]
[Result "0-1"]
[ECO "C46"]
[SetUp "1"]
[FEN "r1br2k1/ppp2pbp/6p1/8/2qN1P2/2P1B3/PP3QPP/R4RK1 b - - 0 16"]
[PlyCount "45"]
[EventDate "1873.07.21"]

16... c5 17. Nf3 b6 18. Ne5 Qe6 19. Qf3 Ba6 20. Rfe1 f6 21. Ng4 h5 22. Nf2 Qf7
23. f5 g5 24. Rad1 Bb7 25. Qg3 Rd5 26. Rxd5 Qxd5 27. Rd1 Qxf5 28. Qc7 Bd5 29.
b3 Re8 30. c4 Bf7 31. Bc1 Re2 32. Rf1 Qc2 33. Qg3 Qxa2 34. Qb8+ Kh7 35. Qg3 Bg6
36. h4 g4 37. Nd3 Qxb3 38. Qc7 Qxd3 0-1

[/pgn]Image

Stockfish assessment: -0.65 +/-[/img]
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Bishop Pair

Post by Nordlandia »

[d]3r3r/ppp1bk1p/5p2/6p1/3p2b1/3P4/PPPNNPPP/R3R1K1 w - - 0 19

Stockfish assessment: -0.50 +/-
Top

Return to “Computer Chess Club: General Topics”