[Event "Hoogovens"]  [Site "Wijk aan Zee"]  [Date "1982.01.17"]  [Round "3"]  [White "Nunn, John DM"]  [Black "Tal, M."]  [Result "1-0"]  [Annotator "bishop pair"]  [ECO "B47"]  [WhiteElo "2590"]  [BlackElo "2605"]  [PlyCount "63"]  [EventDate "1982.01.15"]  [EventRounds "13"]  [EventCountry "NED"]  [EventCategory "12"]   1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Qc7 7. Bg2 Nf6 8. O-O h6 9. Nb3 Be7 10. a4 d6 11. f4 O-O 12. g4 Bd7 13. h4 b5 14. g5 Nh7 15. Be3 b4 16. Ne2 d5 17. exd5 exd5 18. Qxd5 Rac8 19. a5 Nb8 20. Ned4 Bg4 21. Rae1 Rfd8 22. Qe4 Re8 23. Bf2 Bd7 24. Qd5 Qd6 {[#] A club player might worry about giving up the c-pawn, but a GM knows how powerful are the two Bishops in an open position. [#] "If I play Nf5 I shall lose a pawn; I shall do that only as a last resort" -- CLUB PLAYER ASSESSMENT} 25. Nf5 Qxd5 (25... Bxf5 26. Qxf5 Rxc2 {[#] "I can simplify the position and continue to generate powerful threats; it would be a miracle if Black could get away with ...Rxc2" -- GM ASSESSMENT; White's bishops will dominate the game.}) 26. Nxe7+ Rxe7 27. Bxd5 Rxe1 28. Rxe1 Rxc2 {[#] How would you feel as Black here? The end is actually swift.} 29. Re7 Bc6 30. Bxf7+ Kf8 31. Rc7 hxg5 32. Bc5+ {NUNN & GRIFFITHS} 1-0   [Event "URS-ch11 Final"]  [Site "Leningrad"]  [Date "1939.04.29"]  [Round "10"]  [White "Botvinnik, M."]  [Black "Kan, Ilia Abramovich"]  [Result "1-0"]  [Annotator "bishops: bad bishop?"]  [ECO "E24"]  [PlyCount "81"]  [EventDate "1939.04.16"]  [EventRounds "17"]  [EventCountry "URS"]   1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne4 8. Qc2 Nxd2 9. Nxd2 d6 10. e3 e5 11. dxe5 dxe5 {[#] White won a couple of games with this pawn formation: the weakness of the c- pawns is less important than the outpost on d5.} 12. Bd3 h6 13. O-O O-O 14. f4 Nd7 15. f5 Nf6 16. Ne4 Qd8 17. Nxf6+ Qxf6 18. Be4 Rb8 19. Rad1 b6 20. h3 Ba6 21. Bd5 b5 22. cxb5 Rxb5 23. c4 Rb6 24. Rb1 Rd8 25. Rxb6 axb6 26. e4 Bc8 {[#] The Bd5 is not bad - rather, it is the Bc8 that has no scope. Meanwhile, the b-pawn is a glaring weakness on the half-open file. First, White whips the Queen to a7 before Black stops it with ...Bd7.} 27. Qa4 Bd7 28. Qa7 Be8 29. Rb1 Rd6 30. a4 Kh7 31. a5 {Undermining the pawns.} bxa5 32. Qxa5 Ra6 33. Qxc5 Ra2 34. Qe3 Qa6 35. Rb8 {Great move} Qa4 36. Kh2 Ra3 37. Qc5 Ra2 38. Ra8 {[#] Black's Queen is over-worked.} Qxa8 (38... Qc2 39. Rxa2 Qxa2 40. Qe7 {is hopeless: the Bishop, e-pawn and f-pawn are all under attack.}) 39. Bxa8 Rxa8 40. Qxe5 Bc6 41. Qc7 1-0   [Event "San Sebastian"]  [Site "San Sebastian"]  [Date "1912.03.08"]  [Round "14"]  [White "Tarrasch, S."]  [Black "Teichmann, Richard"]  [Result "1-0"]  [Annotator "bishops: bad one"]  [ECO "C14"]  [PlyCount "80"]  [EventDate "1912.02.19"]  [EventRounds "20"]  [EventCountry "ESP"]   {[%evp 0,80,16,18,37,16,46,16,70,31,52,40,53,41,55,18,18,18,9,-2,-2,-1,20,0,6,5,23,26,-14,-14,57,37,41,22,19,20,21,18,28,13,31,14,23,15,19,0,2,0,-1,4,11,18,24,-10,31,33,46,62,75,86,139,49,96,71,85,66,66,75,62,37,81,94,81,37,78,79,80,90,116,37,148,162,161]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 O-O 8. f4 c5 9. Nf3 Nc6 10. g3 a6 11. Bg2 b5 12. O-O cxd4 13. Nxd4 Nxd4 14. Qxd4 Qc5 15. Qxc5 Nxc5 16. Ne2 Bd7 17. Nd4 Rac8 18. Kf2 Rc7 19. Ke3 Re8 20. Rf2 Nb7 21. Bf1 Na5 22. b3 h6 23. Bd3 Nc6 24. Nxc6 Bxc6 25. Kd4 {[#] Bad bishop (and Good King)} Bd7 26. g4 Bc8 27. h4 g6 28. Rh1 Kg7 29. h5 Rh8 30. Rfh2 Bd7 31. g5 hxg5 32. fxg5 Rxh5 33. Rxh5 gxh5 34. Rxh5 Kf8 35. Rh8+ Ke7 36. g6 fxg6 37. Bxg6 b4 38. Rh7+ Kd8 39. Bd3 Rc3 40. Rh8+ Ke7 (40... Ke7 41. a3 a5 42. Ra8) 1-0   [Event "Christmas Congress 1934/35-15 Premier"]  [Site "?"]  [Date "1934.12.31"]  [Round "4"]  [White "Euwe, Max"]  [Black "Thomas, George"]  [Result "1-0"]  [Annotator "bishops: good and bad"]  [ECO "D69"]  [PlyCount "51"]  [EventDate "1934.??.??"]  [EventType "tourn"]   1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Nxe5 Nxe5 14. dxe5 Qxe5 {[#] Good Bishop} 15. f4 Qe7 $2 (15... Qf6) (15... Qe4) 16. f5 b5 17. Bb3 b4 18. f6 $1 gxf6 19. Rxc6 Qxe3+ 20. Kh1 Bb7 21. Rcxf6 Qe4 22. Qd2 Kh8 23. Bxf7 Rac8 24. R6f2 Rcd8 25. Qg5 Rd6 26. Bd5 1-0   [Event "Varna ol (Men) fin-A"]  [Site "Varna"]  [Date "1962.??.??"]  [Round "2"]  [White "Fischer, RJ."]  [Black "Najdorf, Miguel"]  [Result "1-0"]  [Annotator "bishops: good one"]  [ECO "B90"]  [PlyCount "47"]  [EventDate "1962.09.16"]  [EventRounds "11"]  [EventCountry "BUL"]  [WhiteTeam "US of America"]  [BlackTeam "Argentina"]  [WhiteTeamCountry "USA"]  [BlackTeamCountry "ARG"]   1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 b5 7. Nd5 Bb7 8. Nxf6+ gxf6 9. c4 bxc4 10. Bxc4 Bxe4 11. O-O d5 12. Re1 e5 13. Qa4+ Nd7 14. Rxe4 dxe4 15. Nf5 {[#] good bishop} Bc5 16. Ng7+ Ke7 17. Nf5+ Ke8 18. Be3 Bxe3 19. fxe3 Qb6 20. Rd1 Ra7 21. Rd6 Qd8 22. Qb3 Qc7 23. Bxf7+ Kd8 24. Be6 1-0   [Event "Central YMCA"]  [Site "London"]  [Date "1976.??.??"]  [Round "?"]  [White "Ludgate, A."]  [Black "Yedlin, I."]  [Result "1-0"]  [Annotator "bishops: munch on long diagona"]  [ECO "A39"]  [PlyCount "52"]  [EventDate "1976.??.??"]   {[%mdl 2048]} 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 cxd4 8. Nxd4 d6 {[#]} 9. Bxc6 (9. Nxc6 bxc6 10. Bxc6 Rb8 11. Qa4 Be6 12. b3 Bh3 13. Rd1 Ng4 14. Bd2 Qb6 15. e3 e6 16. Bf3 Ne5 17. Be2 f5 18. Rac1 Qb7 {...0-1 Franklin-Hartston 1965}) (9. Nc2 Be6 10. b3 Ng4 11. Bd2 Qd7 12. Rc1 Nf6 13. e4 Bh3 14. Qe2 Bxg2 15. Kxg2 e6 16. Rfd1 {+= Averbach-Shamkovich 1966}) 9... bxc6 10. Nxc6 Qd7 11. Nd5 (11. Nd4 Bb7) 11... Re8 (11... Nxd5 12. cxd5 Bb7 {Euwe}) 12. Ncxe7+ Rxe7 13. Nxe7+ Qxe7 14. Bf4 Bh3 {[#]} 15. Re1 (15. Bxd6 Qb7 16. f3 Bxf1 17. Qxf1 Qxb2) 15... Qe4 {!} 16. f3 Qxc4 {recovering control of d5} 17. Rc1 Qxa2 18. Qxd6 Nd5 19. Be5 Qb3 {!!} 20. Kh1 (20. Bxg7 Qe3+ 21. Kh1 Qf2 22. Rg1 Ne3) 20... Bf8 (20... Qe3 21. Qxd5) 21. Qa6 (21. Qc6 Rc8 22. Qa6 Rxc1 23. Rxc1 Qe3) 21... Qe3 22. Bf4 (22. Bc3 Qf2 23. Rg1 Ne3) 22... Nxf4 23. gxf4 Re8 {"Never start an attack until your Queen's Rook is developed!"} 24. Qf6 (24. Rc2 Qxf3+ 25. exf3 Rxe1+) 24... Qf2 25. Qg5 Rxe2 26. Rxe2 Qxe2 {"He gave me the White Bishop, I got into the white squares ... and I mated him!" -- YEDLIN} (26... Qxe2 27. Qg3 (27. Rc7 Qf1+ 28. Qg1 Bg2# {[#]}) 27... Qxb2 28. Rg1 Bf5 29. Rd1 a5 30. h3 a4 31. Kg1 a3) 1-0   [Event "Montpellier"]  [Site "?"]  [Date "1986.??.??"]  [Round "?"]  [White "Renet"]  [Black "Taimanov, Mark"]  [Result "0-1"]  [Annotator "bishops: opposite coloured bis"]  [ECO "B47"]  [PlyCount "60"]  [EventDate "1986.??.??"]   1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Kh1 Bb4 9. Nxc6 bxc6 10. f4 O-O (10... Bxc3 11. bxc3 Nxe4 12. Qd4 Nf6 13. Ba3) 11. e5 Bxc3 12. bxc3 Nd5 13. Rf3 (13. Bf3) 13... c5 14. c4 Ne7 15. Rb1 Nf5 16. Bd3 Bb7 17. Rh3 g6 18. Bd2 Rab8 19. Rb3 d5 {[#]} 20. Bxf5 {? Many players believe that opposite-coloured bishops are a drawing factor. This is true in many endings and some blocked middle-games, but often the side with the initiative can get a middle-game attack. Who has the initiative here?} exf5 21. Rbg3 {Without the particiation of his bad bishop, White's attack soon founders.} f6 22. exf6 (22. Qh5 Qg7) 22... d4 23. Rb3 Rxf6 24. Qb1 Re6 25. Rhg3 Re2 26. Qd1 Rbe8 {[#] the difference in the power of the two bishops is enormous, and White will never be able to play a light-squared bishop to f3 to exchange off the Bb7} 27. h3 Qc6 28. Rbf3 Qe6 29. Rb3 Bc6 30. Kh2 Qxc4 0-1   [Event "Moscow"]  [Site "?"]  [Date "1956.??.??"]  [Round "?"]  [White "Bronstein, DI."]  [Black "Golombek, H."]  [Result "1-0"]  [Annotator "bishops: two bishops in NID"]  [ECO "E43"]  [PlyCount "69"]  [EventDate "1956.??.??"]   1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 Ne4 7. O-O Bxc3 8. bxc3 O-O 9. Ne1 f5 10. f3 Nf6 11. a4 Nc6 12. e4 fxe4 13. fxe4 e5 14. Bg5 Qe7 15. Nc2 Qd6 {[#] Black is doing his best to get White to play d4-d5, when as well gaining the square c5, Black would expect the bloacked pawn formation to favour the Knights. White finds an interesting way of resisting the encouragement.} 16. Bh4 Rae8 17. Bg3 Qe7 18. Ne3 d6 (18... exd4 19. Nf5) 19. Bh4 Nd8 20. Nd5 {[#] This leap into the (still) empty d5 point provokes Black into giving up the remaining Bishop. It should not be supposed that Golombek was unaware of the dangers in this, but considered it relatively best, given the pressure on f6.} Bxd5 21. cxd5 c6 22. Qb3 Kh8 23. Rae1 h6 24. Qa3 g5 25. Bg3 Nd7 26. dxc6 Nxc6 27. Bb5 {[#] After the pins on the King's-side have finally been disposed of, White starts up in the same trade on the Queen's-side!} Rxf1+ 28. Rxf1 Ncb8 {this decentralising move doesn't look right} 29. Bc4 Rf8 {[#] Black's position now falls apart} 30. Rxf8+ Qxf8 31. dxe5 Nc5 32. exd6 Nxe4 {[Have the Knights finally secured a defence?]} 33. d7 {!} Nc5 (33... Qxa3 34. d8=Q+ Kg7 35. Qg8+ Kf6 36. Qf7#) 34. Be5+ Kh7 35. Bd3+ {[#] Golombek comments that these weren't mere Bishops, but Archbishops! 1-0 (35) Bronstein,D-Golombek,H Moscow 1956 MCL [Chekhov,V]} 1-0   [Event "Berlin"]  [Site "?"]  [Date "1928.??.??"]  [Round "?"]  [White "Rubinstein, A."]  [Black "Nimzowitsch, Aron"]  [Result "1-0"]  [Annotator "bishops: two bishops in closed"]  [ECO "E32"]  [PlyCount "85"]  [EventDate "1928.08.12"]  [EventRounds "11"]  [EventCountry "GER"]   1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e3 c5 6. Bd3 Nc6 7. Nge2 e5 8. d5 Bxc3+ 9. Qxc3 Ne7 10. Qc2 O-O 11. O-O Ng6 12. Ng3 Re8 13. f3 Bd7 14. Bd2 a6 15. h3 b5 16. b3 Qb6 17. Kh2 a5 18. Rab1 b4 {[#] The Bishops need open lines.} 19. f4 exf4 20. exf4 Nf8 21. Bc1 Qd8 22. Qf2 a4 23. Bb2 Ng6 24. Rbd1 axb3 25. axb3 Ra7 26. Rde1 Rxe1 27. Rxe1 Nf8 {[#] White now trades one advantage for another: two bishops for better knight. Despite the exchanges Black remains cramped and uncoordinated, and White's remaining 'bad' bishop has a powerful supporting role in the attack.} 28. Bxf6 Qxf6 29. Ne4 Qh6 30. f5 Ra3 31. Rb1 Ra6 32. g4 f6 33. Kg3 Bc8 34. Re1 Bb7 35. Qe2 Nd7 {[#] Black is just about to get himself sorted, when...} 36. Nxd6 Rxd6 37. Qe8+ Nf8 38. Re7 g6 39. Qf7+ Kh8 40. Re8 Rd8 41. Qxf6+ Kg8 42. Qe6+ Kg7 43. f6+ 1-0   [Event "Ely vs March"]  [Site "?"]  [Date "1979.??.??"]  [Round "?"]  [White "Ditmas, H."]  [Black "Regis, D."]  [Result "1-0"]  [Annotator "bishops: two bishops in ending"]  [ECO "C07"]  [PlyCount "63"]  [EventDate "1979.??.??"]   {[%mdl 2048]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. b3 Qc7 12. Bb2 Bd6 13. h3 O-O 14. Bd3 e5 15. Nf5 {White threatens to grab the Bishop pair - Black responds by making his remaining Bishop bad!} e4 16. Nxd6 Qxd6 17. Be2 Qe7 18. c4 Rd8 19. Qc1 Bf5 20. Qf4 {[#] Black must make a further concession: in the event I buried the Bishop on g6 and the Bishops shepherded through the Queen's-side majority.} Bg6 21. Rfd1 Rxd1+ 22. Rxd1 Rd8 23. Qe5 Re8 24. Qxe7 Rxe7 25. b4 Rd7 26. Rxd7 Nxd7 27. c5 Kf8 28. c6 bxc6 29. Bxa6 f6 30. Bd4 Bf7 31. a4 Bb3 32. a5 {[#] The Black Bishop is at last active and the f-pawn may move, but it's all too late. The a-pawn cannot be stopped without loss.} 1-0