Games
[Event "FIDE Chess Grand Prix 2 2022 | Knockout"] [Site "Chess.com"] [Date "2022.03.10"] [Round "1"] [White "Vachier-Lagrave, Maxime"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "C72"] [WhiteElo "2761"] [BlackElo "2762"] [Annotator "Bojkov,Dejan"] [PlyCount "131"] [EventDate "2022.??.??"] {[%evp 0,131,19,38,25,7,17,8,16,-2,35,18,31,37,64,8,40,36,208,188,188,214,102, 48,100,97,118,55,139,50,50,-19,-21,-21,-13,-22,8,-24,7,-41,-36,-38,-16,-16,-18, -18,-13,-13,0,-15,-7,0,0,12,33,34,72,21,100,72,91,72,99,107,104,126,125,123, 129,125,131,125,130,66,159,159,158,130,152,159,158,150,137,165,162,169,174,163, 163,192,165,186,189,197,150,142,143,138,138,162,157,80,82,25,0,0,17,22,-22,-20, -20,23,21,36,0,0,0,43,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {In a must-win situation Vachier-Lagrave chooses the most complex opening, the Ruy Lopez.} a6 4. Ba4 d6 5. O-O Bg4 {Rapport's choice, on the other hand can be called anything but solid. The Improved Stenitz could not have been expected by him, as the Hungarian GM tries for the first time, at least according to Megabase!} 6. h3 h5 7. d4 $5 {After some hesitation, White opts for the main line. The pawn is offered in return for the control over the -g5 square.} (7. Bxc6+) 7... b5 8. Bb3 Nxd4 9. hxg4 $16 {Now White can grab the piece as he can block the black queen access towards his king.} hxg4 {The older line.} ({The Guru of the line, GM Yandemirov preferred instead} 9... Nxb3 10. axb3 hxg4 {Stockfish 271221:} 11. Ng5 Qd7 (11... f6 $4 12. Ne6 {[%cal Re6d8,Re6f8,Re6g7]}) 12. b4 Ne7 13. c4 bxc4 14. b5 a5 15. Na3 f6 16. b6 fxg5 17. bxc7 Nc6 18. Qd5 Qxc7 19. Nxc4 Rd8 20. Be3 Ne7 21. Qb5+ Qc6 22. Rxa5 Qxb5 23. Rxb5 Nc6 24. b4 Be7 25. Na5 Nd4 26. Bxd4 exd4 27. Nc6 Ra8 28. Nxe7 Kxe7 29. Rxg5 Kf6 30. Rd5 Ra2 31. Rd1 Rb2 32. Rxd6+ Kg5 {[%eval 144,33] [%wdl 570,429,1] }) 10. Ng5 Nh6 {All of this was blitzed by Rapport, and his opponent sank into deep thought.} ({The position is razor-sharp and any of the sides might easily err, for example} 10... Nxb3 $4 {loses to} 11. Qd5 $1 Nh6 12. Qc6+ Ke7 13. Nc3 $1 $18 {[%cal Rc3d5] Stockfish 271221:} Kf6 14. Nd5+ Kg6 15. axb3 Be7 16. f4 gxf3 17. Nxf3 Ng4 18. g3 Ra7 19. Kg2 Bf6 20. Bd2 Qe8 21. Qc3 Qd7 22. Rh1 Rxh1 23. Rxh1 c6 24. Ne3 Nh6 25. Qd3 Rc7 26. Ra1 Rc8 27. Rxa6 Kh7 28. Nd1 Kg8 29. Bxh6 d5 30. Ra1 d4 31. Bd2 {[%eval 726,37] [%wdl 1000,0,0]}) 11. g3 $5 { After more than half-an-hour on his clock, Vachier-Lagrave deviates from the main theory.} ({A few years back Short won a complex game thanks to:} 11. f4 c6 (11... d5) (11... Nxb3) (11... Be7) 12. g3 Nxb3 13. cxb3 exf4 14. gxf4 Qd7 15. f5 d5 16. Bf4 O-O-O 17. Nc3 Bd6 18. Qd4 {Short,N (2675)-Timman,J (2650) Pamplona 2000} Bxf4 19. Rxf4 Qc7 20. Qf2 d4 21. Ne2 d3 22. Ng3 Kb7 23. Qe3 d2 24. Rff1 Rd7 25. Rad1 Rhd8 26. Qf4 Qb6+ 27. Rf2 Rd3 28. Kg2 Qd4 29. e5 Qxb2 30. N5e4 R8d5 31. f6 Rf3 32. Rxf3 gxf3+ 33. Kxf3 Qxa2 34. fxg7 Qxb3+ 35. Ke2 Qc4+ 36. Kf2 Qd4+ 37. Kg2 {1-0 (37) Short,N (2675)-Timman,J (2650) Pamplona 2000 CBM 075 [Wedberg,T]}) (11. Bd5 $5) 11... Be7 12. f4 {[#]} Qd7 $146 {But Rapport was not taken by surprise and quickly fired a novelty.} ({The predecessor saw:} 12... c6 $5 13. Be3 Nxb3 14. cxb3 d5 15. Qc1 Rc8 16. fxe5 d4 17. Rd1 dxe3 18. Rxd8+ Rxd8 19. Qxc6+ Kf8 20. Nc3 Bxg5 21. e6 Kg8 {Kindermann, S (2565)-Jussupow,A (2680) Germany 1996 GER-chT} 22. Qc5 f6 23. Nd5 Kh7 24. Re1 Rhe8 25. Nc7 Rc8 26. e7 f5 27. Nxe8 Rxc5 28. Nf6+ Bxf6 29. e8=Q Re5 30. Qc6 Rxe4 31. Qxa6 b4 32. Re2 Nf7 33. a4 Ng5 34. a5 Nf3+ 35. Kg2 Nd4 36. Qd3 Nxe2 37. Qxe2 Bxb2 38. a6 Bd4 39. Kf1 Re7 40. Ke1 Bc3+ 41. Kd1 Kg6 42. Kc2 Bd4 43. Kd3 Ba7 44. Kc4 Re4+ 45. Kd5 Kg5 46. Kc6 Re5 47. Kb7 Bd4 48. Kc6 Kf6 49. Kd6 Bc5+ 50. Kc6 Ba7 51. Kd6 Re6+ 52. Kd7 Bd4 53. Qc4 Re7+ 54. Kc6 Be5 55. Qe2 Bxg3 56. a7 Rxa7 57. Qxe3 Rc7+ 58. Kb5 Bd6 59. Qd4+ Ke6 60. Qe3+ Kf7 61. Qd3 Ke6 62. Qe3+ Be5 63. Qg5 Rb7+ 64. Kc6 Rb8 65. Kc5 Bf6 66. Qf4 Be7+ 67. Kd4 Rd8+ 68. Ke3 Kf6 69. Ke2 Rd6 70. Kf1 Rd3 71. Qc4 Rc3 72. Qd4+ Kg6 73. Qd5 Bf6 74. Qe6 Kg5 75. Qd5 Kh4 76. Qh1+ Rh3 77. Qd5 f4 78. Qc4 Rc3 79. Qd5 Rc1+ 80. Kf2 Rc2+ 81. Kg1 f3 82. Kf1 Kh3 {0-1 (82) Kindermann,S (2565)-Jussupow,A (2680) Germany 1996 }) ({Another direction might be} 12... gxf3 $5 13. Nxf3 Qd7 14. Kg2 O-O-O) 13. f5 {Only now did Black start to think.} ({Rapport likely concentrated his preparation on the move} 13. Qd3 {when White does not fear} f6 {due to} 14. Ne6 $1 {anyway and Black is left empty-handed in the line} Nxe6 15. Qd5 $1 $18 { [%cal Rd5a8,Rd5e6] Stockfish 271221:} c6 ({Stockfish 271221:} 15... Rc8 16. Qxe6 d5 17. Bxd5 c6 18. Qxd7+ Kxd7 19. Bb3 Rh7 20. Kg2 Nf7 21. Be3 Rch8 22. Bg1 Rh1 23. Bxf7 Bc5 24. Nc3 Bxg1 25. Rxg1 R1h2+ 26. Kf1 Rxc2 27. fxe5 fxe5 28. Bb3 Rxb2 29. Nd1 Rd2 30. Nf2 Rf8 31. Rg2 c5 32. Kg1 Rd4 33. Nxg4 Kd6 34. Bc2 a5 35. Ne3 g6 36. Rd1 a4 37. Rgd2 $18 a3 {[%eval 581,32] [%wdl 1000,0,0]}) ({ Stockfish 271221:} 15... Rd8 16. Qxe6 d5 17. Qxd7+ Kxd7 18. Bxd5 c6 19. Bb3 Ke8 20. a4 b4 21. fxe5 Nf7 22. exf6 gxf6 23. Kg2 Ne5 24. Nd2 a5 25. Be6 Rd4 26. Bf5 Kf7 27. Nb3 Rc4 28. Rf2 Nf3 29. Rxf3 gxf3+ 30. Kxf3 Ke8 31. Nxa5 Rxc2 32. Be3 Rhh2 33. Rd1 Rxb2 34. Nxc6 $18 {[%eval 575,31] [%wdl 1000,0,0]}) 16. Qxe6 exf4 17. Bxf4 d5 18. Qxd7+ Kxd7 19. Nc3 d4 20. Nd1 Bd6 21. a4 Bxf4 22. Rxf4 Kc7 23. Nf2 Kb6 24. a5+ Kc7 25. Nd3 Rh7 26. Re1 Rah8 27. Kg2 Ng8 28. Bxg8 Rh2+ 29. Kf1 Rxc2 30. Re2 Rh1+ 31. Kg2 Rxe2+ 32. Kxh1 Re3 33. Nf2 c5 34. Rxg4 c4 35. Rxg7+ Kd6 36. Rg6 $18 {[%eval 489,32] [%wdl 1000,0,0]}) 13... c6 {More than half-an-our thought for Black too.} ({There was also} 13... Qd8 $5 14. Qd2 a5 ( 14... c6)) 14. Nc3 ({Maybe} 14. Kg2 {makes more sense as White can eventually exploit the h-file. The game would be unclear then after say} d5 15. Nc3 O-O-O) ({The importance of the h-file is demonstrated by the line} 14. c3 Nxb3 15. axb3 Qd8 $1 {[%cal Re7g5,Rd8g5]} 16. Qd2 {[%cal Re7g5,Rd8g5,Gd2g5,Gc1g5]} Ng8 $3 {[%cal Gh8h5,Rh5g5,Re7g5,Rd8g5] with inevitable Rh8-h5!}) 14... Qd8 ({ It also made sense to throw-in} 14... a5 $5 15. a3 Qd8 16. Nxf7 $5 Nxf7 17. Qxg4 Nxb3 18. cxb3 $15 {slightly hampering White's pawn structure.}) 15. Nxf7 { More or less forced.} ({As seen from above, White cannot defend his knight any more} 15. Qd2 Nxb3 16. axb3 Ng8 $1) 15... Nxf7 16. Qxg4 Nxb3 17. axb3 Bg5 $1 { The opening was a big success for Rapport, he equalized in full.} 18. Kg2 { [%cal Gf1h1,Rh1h8]} Qf6 {However, this is a slight inaccuracy.} ({Safer looked the instant queen swap attempt with} 18... Bxc1 19. Rfxc1 Qg5 20. Qf3 Ke7 $15 { which is still even. Stockfish 271221:} 21. Rh1 Rh6 22. Rxh6 Nxh6 23. Rh1 Qd2+ 24. Qf2 Qxf2+ 25. Kxf2 a5 26. Ra1 Kf6 27. Nd1 d5 28. exd5 cxd5 29. Nc3 d4 30. Nxb5 Nxf5 31. c3 d3 32. g4 Nh6 33. Kf3 Rf8 34. c4 Ke6+ 35. Ke3 Nxg4+ 36. Kxd3 Rf3+ 37. Ke2 Rxb3 38. Rxa5 g5 39. Ra3 Rxb2+ 40. Kf3 Nf6 41. Ra6+ Kf7 42. Nd6+ Kg7 43. Nf5+ Kg6 44. Ne7+ Kf7 45. Nf5 g4+ 46. Ke3 Rb3+ 47. Ke2 {[%eval -40,33] [%wdl 9,906,85]}) 19. Nd1 $1 {[%cal Gd1f2,Gf2e4] A pretty move! The knight lands on the optimal f2-square from where it will guard the white king forever. } Bxc1 (19... Qh6 $6 20. Nf2 Qh2+ $2 21. Kf3 $18 {only works for White.}) 20. Rxc1 Qg5 {There is nothing better.} 21. Nf2 Qxg4 22. Nxg4 Ng5 {The beginning of a poor plan.} ({The black king stood well in the center and accurate play like} 22... a5 $5 23. Ra1 Ke7 24. Ra3 Ng5 {would have kep the balance, for example} 25. Rfa1 Nxe4 26. Rxa5 Rxa5 27. Rxa5 Rh5 28. Ra7+ Kf8 {and White has a perpetual, but does he have anything more?}) 23. Nf2 O-O-O 24. c4 $1 { Now Vachier-Lagrave skillfully starts to create problems.} Kc7 25. Rh1 bxc4 ({ It is curious that the machine suggests the ugly} 25... Rh6 26. Rxh6 gxh6 27. Rh1 Nf7 $14) 26. bxc4 a5 27. Ra1 Kb6 {An automatic move, and a mistake. Rapport created a weakness on the queenside, and now allows a maneuver that would highlight the weakness.} (27... Rxh1 $1 {was caled for and after} 28. Rxh1 Kd7 {Black seems to be in time to defend both sides.}) 28. Rhd1 $3 { A move of a great master!} Rh7 29. Rd3 $1 Rdh8 30. Rb3+ {This is why this rook should have been traded earlier. The white major pieces do whatever they want on the queenside, whereas the black rooks are easily stopped by the white only knight.} Ka6 31. Rba3 Rh2+ 32. Kf1 Kb6 33. Rxa5 Nf3 34. c5+ $1 {One more excellent decision in the time-trouble. Vachier-Lagrave is almost winning.} ( 34. Ra6+ Kc5 35. R1a5+ Kd4 {lets the black king slip away.}) 34... dxc5 35. Ra6+ Kb5 {Now after a few checks in the zeitnot} 36. R1a5+ Kb4 37. Ra4+ Kb5 38. R6a5+ Kb6 39. Ra6+ Kb5 40. R4a5+ Kb4 {White finds} 41. Ra3 $1 {which not only attacks the knight, but sets a mating net around the black king.} Nd2+ { The knight rushes to the resque.} (41... Nd4 $5) ({Or else Black may get checkmated after say} 41... Ng5 $2 42. Rb6+ Kc4 43. Ra4#) 42. Kg1 $1 (42. Ke2 { does not create a threat instead and Black can still go for} Nc4 ({Or may choose} 42... c4)) 42... Nc4 (42... c4 $2 43. Rxc6) 43. Rd3 $1 {The proper square for the rook, b2-b3 is a major threat.} R2h6 44. Ra7 {But that is a step in the wrong direction.} ({Both players definitely studied the critical line} 44. b3 $1 {when the knight is forced to step on a poor square} Nb2 { Then, after few changes of the angle of the attack} 45. Rd7 Kc3 46. Ra1 $1 Kc2 47. Ra5 $1 {White would have unbalanced the opponent's defense} c4 48. bxc4 Nxc4 49. Rc5 Kc3 {And the study-like} 50. Kg2 $3 {A pretty position! Black lack a good move, e.g:} ({Certainly not} 50. Rxg7 $2 Kd4 {which traps the white rook.}) ({Nor} 50. Ng4 Kb4 51. Nxh6 Kxc5 52. Nf7 Rg8 {would make as much of a progress as the calm king move.}) 50... Rg8 ({Or} 50... Kb4 51. Nd3+ Kb3 52. Rb7+ Kc3 53. Nxe5 Kd4 54. Rxc4+ Kxe5 55. Kf3 {and White should win in both cases.}) 51. Ng4) 44... Rb8 $1 {Yet another piece comes to the resque.} 45. b3 {Missing one more chance.} (45. Rxg7 Nxb2 {yield White nothing.}) ({However, the immediate} 45. Ng4 $1 {might have worked better, as in the line} Nxb2 46. Rdd7 Rhh8 47. Nxe5 {white pieces are too strong.}) 45... Na5 46. Ng4 Nxb3 { The culmination of the game, and the match. Rapport managed to organize his defense and is now looking for a speedy promotion. His previously iffy king is leading the army. And still, Black was not yet out of the woods.} 47. Rxg7 { Only this finally lets Black off the hook.} ({The last chance was} 47. Nxh6 $1 c4 48. Rd6 gxh6 49. Rxc6 Nd4 50. Rxh6 c3 51. Rc7 Nb5 52. Rcc6 Nd4 53. Kf2 $1 { is it a win, or not would be proved by further, extensive analyzes, but that was all the Vachier-Lagrave was left with.}) 47... c4 $1 {This passer will cost White deerly.} 48. Rd1 Rhh8 49. Nxe5 Rhc8 50. Rg6 c5 $1 {The passer's speed is worth the exchange.} 51. Nc6+ Rxc6 52. Rxc6 c3 53. f6 c2 54. Rf1 c1=Q 55. Rxc1 Nxc1 {One rook taken, one more passer available.} 56. e5 Ne2+ 57. Kf2 Nd4 58. Rd6 Nb5 59. Rd7 c4 60. e6 {White is just as fast as the opponent and that leads to a perpetual.} c3 61. e7 c2 62. f7 c1=Q 63. e8=Q Qc5+ 64. Kg2 Qc6+ 65. Kh3 Qh6+ 66. Kg2 {PLAY CHESS, NOT WAR.} 1/2-1/2 [Event "Pawn endgames"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Pawn endgames"] [Black "Position 7"] [Result "1-0"] [Annotator "Outside passed pawn"] [SetUp "1"] [FEN "8/8/8/2pk2p1/P5P1/3K4/8/8 b - - 0 1"] [PlyCount "18"] {[%mdl 4096][%evp 0,18,890,1014,1016,1016,1022,1032,1032,29941,29956,29957, 29960,29961,29962,29965,29966,29967,29968,29969,29970] Both sides have a passed pawn. However, due to the pawn pair on the g-file the outside passed pawn is the decisive factor.} 1... c4+ {Other moves would not help either.} ( 1... Kd6 2. Kc4 Kc6 3. a5 Kd6 4. Kb5 $18) 2. Kc3 Kc5 {[%tqu "En","","","", "a4a5","",10]} 3. a5 Kb5 {[%tqu "En","","","","a5a6","The decision! The black king has to take care of this pawn and thereafter he is too far away from the place of action. In consequence, he cannot join the fight for the other pawns. ",10]} 4. a6 $1 {The decision! The black king has to take care of this pawn and thereafter he is too far away from the place of action. In consequence, he cannot join the fight for the other pawns.} Kxa6 5. Kxc4 Kb6 6. Kd5 Kc7 7. Ke6 Kd8 8. Kf6 Ke8 9. Kxg5 Kf7 ({Or Oder} 9... Kf8 10. Kg6 Kg8 11. g5 Kh8 12. Kf7 $18) 10. Kh6 {[%csl Rh6]} 1-0 [Event "Pawn endgames"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Pawn endgames"] [Black "Position 8"] [Result "1-0"] [Annotator "Distant opposition"] [SetUp "1"] [FEN "4k3/8/8/1p5p/1P5P/8/8/5K2 w - - 0 1"] [PlyCount "23"] {[%cal Gf1g1,Gf1g2,Gf1f2,Gf1e2,Gf1e1][%evp 0,23,368,722,664,568,903,915,915, 915,916,989,1015,1016,1016,1016,1016,1016,1016,1022,1022,1022,1022,1022,1022, 1022]} {[%tqu "En","","","","f1e2","",10,"f1e1","Black wins.",0]} 1. Ke2 $1 ({ After the blunder} 1. Ke1 $4 {Black wins.} Ke7 2. Kd2 Kd6 3. Ke3 (3. Kd3 $4 Kd5 4. Ke3 Kc4 $19) 3... Ke5 {[%csl Gd4,Ge3,Gf4][%cal Ge3d3,Ge3f3,Re5d4,Re5f4]} 4. Kd3 Kd5 (4... Kf4 $4 5. Kd4 $11) 5. Ke3 (5. Kc3 Ke4 $19) 5... Kc4 $19) ({ Stockfish 271221: 1)} 1. Ke2 $1 Kd7 2. Kd3 Ke7 3. Ke3 Ke6 4. Ke4 $18 {[%cal Ge6d6,Ge6f6]} Kf6 5. Kf4 Ke6 6. Kg5 Kd5 7. Kxh5 Ke6 8. Kg6 Ke7 9. h5 Kf8 10. h6 $18 {[%eval 1064,112] [%wdl 1000,0,0][%cal Rh6h7,Gf6e6,Ge6d6,Gd6c5,Gg6f6]}) ({ Stockfish 271221: 2)} 1. Kf2 Kf8 2. Kf3 Kf7 {[%cal Gf3f4,Gf7f6]} 3. Ke3 (3. Kf4 Kf6 {[%cal Gf4e4,Gf6e6]} 4. Ke4 Ke6 5. Kd4 Kd6 6. Ke4 Ke6 $11) 3... Ke7 4. Kf3 {[%eval 0,111] [%wdl 42,917,41]}) ({Stockfish 271221: 3)} 1. Kg2 Ke7 2. Kf3 Kf7 3. Ke3 (3. Ke4 Ke6 4. Kd4 Kd6 5. Ke4 Ke6 $11) 3... Ke7 {[%eval 0,111] [%wdl 42, 917,41]}) ({Stockfish 271221: 4)} 1. Kg1 Ke7 2. Kf1 Kd6 3. Ke2 Ke6 (3... Kd5 $4 4. Kd3 Ke5 5. Ke3 Kd5 6. Kd3 $11) 4. Ke3 Ke5 5. Kd3 Kd5 $19 {[%csl Gd3][%cal Rd5c4,Rd5e4]} 6. Kc3 Ke4 7. Kb2 Kf4 8. Ka1 Kf3 9. Ka2 Kg4 10. Ka1 Kxh4 11. Kb2 Kg4 $19 {[%eval -802,111] [%wdl 0,0,1000]}) ({Stockfish 271221: 5)} 1. Ke1 Ke7 2. Kf1 (2. Ke2 {Stockfish 271221:} Ke6 3. Ke3 Ke5 4. Kd3 Kd5 5. Kc3 Ke4 6. Kc2 Kd4 7. Kb3 Kd3 8. Kb2 Kc4 9. Ka3 Kc3 10. Ka2 Kxb4 11. Kb2 Kc4 12. Kc2 Kd4 13. Kb3 Ke4 14. Kb4 Kf5 15. Kxb5 Kg4 16. Kc4 Kxh4 17. Kd3 Kg3 18. Ke2 Kg2 19. Ke3 h4 20. Kf4 h3 21. Kg4 h2 22. Kf5 h1=Q 23. Ke6 Qd1 24. Ke7 Kf3 25. Kf6 Ke4 26. Ke6 Qd8 27. Kf7 Kf5 28. Kg7 Qc7+ 29. Kh6 Qb7 30. Kh5 Qh7# {[%eval -32709,82] [%wdl 0,0,1000]}) 2... Kd6 3. Ke2 Ke6 4. Ke3 Ke5 5. Kd3 Kd5 6. Kc3 Ke4 7. Kc2 Kd4 8. Kb3 Kd3 9. Ka2 Kc2 10. Ka3 {[%eval -802,111] [%wdl 0,0,1000]}) 1... Kf8 2. Kd3 $1 {'Bypass'} Ke7 {[%cal Gd3e4,Gd3d4]} 3. Ke3 $1 {Distant opposition} ( 3. Ke4 Ke6 {[%cal Ge4f4,Ge4d4,Ge6d6,Ge6f6]} 4. Kf4 Kf6 (4... Kd5 $11) 5. Ke4 Ke6 $11) (3. Kd4 Kd6 4. Ke4 Ke6 5. Kf4 Kf6 6. Ke4 Ke6 $11) 3... Ke6 4. Ke4 { Opposition} Kd6 {[%tqu "En","","","","e4d4","",10,"e4f5","",0]} 5. Kd4 $1 (5. Kf5 $2 Kd5 6. Kg5 Kc4 7. Kxh5 Kxb4 $11) 5... Kc6 {[%tqu "En","","","","d4e5", "",10]} 6. Ke5 $1 {[%cal Ge5f5,Gf5g5]} Kc7 {[%cal Ge5d5,Gd5c5]} 7. Kd5 Kd7 8. Kc5 Kc7 9. Kxb5 Kb7 {[%tqu "En","","","","b5c5","",10]} 10. Kc5 Kc7 (10... Ka6 11. Kc6 $1 {After 11.Kd5 or 11.b5+ White will only achieve a draw as the black king will reach f8 in time.} Ka7 12. Kd5 Kb6 13. Ke5 $18) 11. Kd5 Kb6 {[%tqu "En","","","","d5e5","Black will not reach the f8-square in time.",10]} 12. Ke5 $18 {[%cal Ge5f5,Gf5g5,Rg5h5] Black will not reach the f8-square in time.} 1-0 [Event "Pawn endgames"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Pawn endgames"] [Black "Position 9"] [Result "1-0"] [Annotator "(Im)mobile majority"] [SetUp "1"] [FEN "3k4/1p6/p1p4p/8/P7/8/1P4PP/6K1 w - - 0 1"] [PlyCount "23"] {Both players have a pawn majority on opposite sides. However, White can stop the advance of the black pawns.} {[%tqu "En","","","","a4a5","For the time being this fixes the black pawns on the queenside.",10]} 1. a5 $1 {[%cal Ra5b6] For the time being this fixes the black pawns on the queenside.} (1. b4 $2 { Stockfish 271221:} Kd7 ({Stockfish 271221:} 1... b5 2. axb5 axb5 3. Kf2 Kd7 4. Ke3 c5 5. bxc5 Kc6 6. Kd4 h5 7. g3 b4 8. Kc4 b3 9. Kxb3 Kxc5 10. Kc3 $14 Kd5 { [%eval 38,56] [%wdl 89,893,18]}) 2. Kf2 b5 3. axb5 axb5 4. Ke3 c5 5. bxc5 Kc6 6. Kd4 h5 7. g3 b4 8. Kc4 b3 9. Kxb3 Kxc5 10. Kc3 $16 Kd5 {[%eval 92,55] [%wdl 234,760,6]}) 1... Ke7 ({Or} 1... Kc7 {[%tqu "En","","","","g2g4","",10]} 2. g4 $1 {[%cal Gg4h5]} b6 3. axb6+ Kxb6 4. h4 Kc5 5. g5 hxg5 {[%tqu "En","","","", "h4h5","The black king cannot reach the imaginary box.",10]} 6. h5 $1 {[%csl Ye5,Yf5,Yg5,Yh5,Yh6,Yh7,Yh8][%cal Gh5h6,Gh6h7,Gh7h8] The black king cannot reach the imaginary box.} (6. hxg5 $2 {[%cal Gg5g8,Gg8d8,Gd8d5,Gd5g5,Gc5d6]} { [%tqu "En","","","","c5d5","",10]} Kd5 7. g6 Ke6 8. g7 Kf7 $11 9. g8=Q+ Kxg8 $11 {[%csl Rh1,Rh2][%cal Gg1g2,Gg1f2,Gg1f1,Gb2b3,Gb2b4]})) 2. Kf2 Ke6 3. g4 Ke5 4. Ke3 {[%csl Rd4,Re4,Rf4]} c5 {[%tqu "En","","","","b2b3","",10]} 5. b3 { [%cal Gb3c4]} Kd5 {[%tqu "En","","","","h2h4","",10]} 6. h4 $1 {[%cal Rg4g5]} Ke5 {[%tqu "En","","","","e3d3","",10]} 7. Kd3 {[%cal Gd3c4]} Kf4 {[%tqu "En", "","","","g4g5","First White exchanges the last black pawn on the kingside, then he collects the remaining black pawns.",10,"d3c4","isn't winning.",0]} 8. g5 $1 {First White exchanges the last black pawn on the kingside, then he collects the remaining black pawns.} (8. Kc4 $2 {isn't winning.} {[%tqu "En", "","","","f4g4","",10]} Kxg4 9. Kxc5 Kxh4 10. Kb6 Kg4 11. Kxb7 h5 12. b4 h4 13. Kxa6 h3 14. b5 h2 15. b6 h1=Q 16. b7 $11 {Stockfish 271221:} Qf1+ ({Stockfish 271221:} 16... Qc6+ 17. Ka7 Qc7 18. a6 Kg5 19. Ka8 Qb6 20. b8=Q Qxa6+ 21. Qa7 Qc8+ 22. Qb8 Qc6+ 23. Qb7 Qc5 24. Qg7+ Kh4 25. Qh7+ Kg4 26. Qg7+ Kf3 $11 { [%eval 0,66] [%wdl 30,939,31]}) ({Stockfish 271221:} 16... Qh6+ 17. Ka7 Qe3+ 18. Ka8 Qe4 19. Ka7 Qd4+ 20. Ka6 Qd6+ 21. Ka7 Qd7 22. Ka6 {[%eval 0,66] [%wdl 30,939,31]}) 17. Ka7 Qf2+ 18. Ka8 Qf3 19. Ka7 Qe3+ 20. Ka8 Qe4 21. Ka7 Qd4+ 22. Ka6 Qd6+ 23. Ka7 $11 {[%eval 0,66] [%wdl 30,939,31]}) 8... hxg5 9. hxg5 (9. h5 $4 Kf5 10. h6 Kg6 $19) 9... Kxg5 10. Kc4 Kf5 {[%cal Gc5b6,Rc4c5,Rb7a6,Rb6b7]} 11. Kxc5 Ke5 12. Kb6 {[%cal Rb6b7,Rb7a6,Ra6b7,Ra5a6] All black pawns will be picked up.} 1-0 [Event "Pawn endgames"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Pawn endgames"] [Black "Position 10"] [Result "1-0"] [Annotator "Protected passed pawn"] [SetUp "1"] [FEN "8/8/p1k5/1pPp1pp1/1P6/3K4/P5P1/8 w - - 0 1"] [PlyCount "31"] {[%tqu "En","","","","d3d4","",10]} 1. Kd4 f4 {[%cal Gd4e5,Ge5f5,Rf5g4,Rf5f4]} 2. Ke5 a5 $1 {[%tqu "En","","","","a2a3","",10,"b4a5","",0]} 3. a3 (3. bxa5 $2 Kxc5 $11 4. a6 {Stockfish 271221:} Kc6 ({Stockfish 271221:} 4... Kb6 5. Kxd5 g4 6. Ke4 f3 7. gxf3 gxf3 8. Kxf3 Kxa6 9. Ke4 Kb7 10. Kd5 Kb6 11. Kd6 b4 12. Kd5 b3 13. axb3 Kb5 14. Kd6 {[%eval 0,71] [%wdl 38,924,38]}) ({Stockfish 271221:} 4... f3 5. a7 f2 6. a8=Q f1=Q 7. Qxd5+ Kb4 8. Qb3+ Kc5 9. Qc3+ Qc4 10. Qxc4+ Kxc4 11. g4 Kb4 12. Kd6 Ka4 13. Kc5 Ka5 14. Kd4 Kb4 15. Kd5 {[%eval 0,70] [%wdl 39,923,38]}) 5. a7 Kb7 6. Kxd5 g4 7. Ke4 f3 8. gxf3 gxf3 9. Kxf3 Kxa7 10. Ke4 Kb7 11. Kd5 Kb6 12. Kd6 b4 13. Kd5 b3 14. axb3 Kb5 15. Kd6 Kb4 $11) 3... a4 {[%tqu "En","","","","e5f5","",10]} 4. Kf5 d4 {This pawn cannot be supported by his own king.} {[%tqu "En","","","","f5e4","",10]} 5. Ke4 d3 {With the help of the pawn sacrifice Black's king becomes an active piece.} 6. Kxd3 Kd5 7. g3 $1 {[%cal Gf4g3,Gg3g1,Gg1e1,Ge1e3,Ge3g3] The only move that brings about success.} (7. Ke2 g4 $1 8. Kd3 Ke5 9. c6 Kd6 10. Ke4 Kxc6 11. Kxf4 Kd5 12. Kxg4 Kc4 {White has to stop thinking that a win is possible.}) 7... fxg3 {There is no better move.} (7... f3 8. g4 $18 {[%csl Gg5][%cal Gd5e5,Rc5c6]}) (7... Ke5 8. gxf4+ gxf4 9. Ke2 Kd5 10. Kf3 Ke5 11. c6 Kd6 12. Kxf4 Kxc6 13. Ke5 $18 { [%cal Gc6b6,Rc6b7,Rc6c7]} Kb6 (13... Kc7 14. Kd5 Kb6 15. Kd6 Ka6 16. Kc5 $18) ( 13... Kb7 14. Kd6 Kb6 15. Kd5 Ka6 16. Kc5 $18) 14. Kd6 Ka6 15. Kc5 $18) 8. Ke2 Ke5 (8... g4 9. Kf1 Ke5 10. Kg2 $18 {[%cal Rg2g3,Rg2g4,Rc5c6]}) 9. Kf3 Ke6 10. Kxg3 Kf5 {[%tqu "En","","","","g3f3","",10,"c5c6","This move would be over-hasty.",0]} 11. Kf3 (11. c6 $4 {This move would be over-hasty.} Ke6 12. Kg4 Kd6 13. Kxg5 Kxc6 14. Kf5 Kd5 $19 {[%cal Gd5c4,Gc4b3,Rb3a3] The white king has no way to pass his rival.}) 11... Ke5 12. Kg4 Kf6 {[%tqu "En","","","", "c5c6","At this stage deflecting the black king leads to win.",10]} 13. c6 { At this stage deflecting the black king leads to win.} Ke6 14. Kxg5 Kd6 15. Kf5 Kxc6 16. Ke6 1-0 [Event "Pawn endgames"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Pawn endgames"] [Black "Position 11"] [Result "1-0"] [Annotator "Reserve tempo"] [SetUp "1"] [FEN "4k3/8/6p1/5p1p/5P2/6P1/6KP/8 w - - 0 1"] [PlyCount "21"] {[%cal Gg2f3,Gf3e3,Ge3d4,Gd4e5] Two features of the position enable White's win: 1. White can still move with his h-pawn and he therefore has two reserve tempi in case a zugzwang situation would occur. 2. White's king gets to the 4th rank whereas the black king can only reach the 6th rank.} {[%tqu "En","", "","","g2f3","",10]} 1. Kf3 Ke7 2. Ke3 {In the king's struggle for space it is crucial to have a reserve tempo via the moves h2-h3 or h2-h4.} Ke6 (2... Kf6 3. Kd4 g5 4. h4 gxh4 (4... g4 {[%tqu "En","","","","d4d5","",10]} 5. Kd5 Kg7 6. Ke5 Kg6 7. Ke6 $18 {All black pawns will disappear.}) 5. gxh4 Ke6 6. Kc5 Ke7 7. Kd5 Kf6 8. Kd6 $18 {Black can not stop infiltration of the white king.}) 3. Kd4 Kd6 {[%tqu "En","","","","h2h3","",10]} 4. h3 $1 Ke6 {[%cal Gd4c5,Gc5d5,Gd5e5, Ge5e6,Ge6f6]} 5. Kc5 Ke7 {[%tqu "En","","","","c5c6","The only way to force the black king back.",10,"c5d5","",0]} 6. Kc6 $1 {The only way to force the black king back.} (6. Kd5 $2 Kd7 7. Ke5 Ke7 8. h4 Kf7 9. Kd6 Kf6 {1/2-1/2}) 6... Ke6 {[%tqu "En","","","","h3h4","This is where the reserve tempo enables White to win.",10]} 7. h4 $1 {This is where the reserve tempo enables White to win.} Ke7 8. Kc7 $1 (8. Kd5 $2 Kd7 $11 {[%csl Rd6,Re6,Rf6]} 9. Ke5 Ke7 { [%csl Rd6,Re6,Rf6]}) 8... Ke6 {[%tqu "En","","","","c7d8","",10]} 9. Kd8 $1 { [%cal Gd8e8,Ge8f8]} Kf7 (9... Kd5 {This counter-attack is not worth the effort. } 10. Ke7 Ke4 11. Kf6 Kf3 12. Kxg6 Kxg3 {[%tqu "En","","","","g6g5","",10]} 13. Kg5 $1 $18 {[%cal Gg3f3,Gg3h3,Rg5h5,Rg5f5]} Kf3 (13... Kh3 14. Kxh5 $18 { [%cal Gh5g5,Gh4h5]}) 14. Kxf5 $18 {[%cal Gf5g5,Gf4f5]}) 10. Kd7 Kf6 11. Ke8 { [%cal Gf6e6,Gf6g7] Black can no longer prevent penetration by the white king.} (11. Ke8 Ke6 (11... Kg7 12. Ke7 Kh7 13. Kf7 $18 Kh6 14. Kg8 g5 15. fxg5+ { Stockfish 271221:} Kg6 16. Kf8 f4 17. gxf4 Kf5 18. Ke7 Kg4 19. g6 Kxh4 20. f5 Kg5 21. Ke6 h4 22. g7 h3 23. f6 Kf4 24. f7 h2 25. g8=Q h1=Q 26. f8=Q+ Ke4 27. Qg4+ Ke3 28. Qff4+ Kd3 29. Qc4+ Ke3 30. Qgf4# {[%eval 32738,65] [%wdl 1000,0,0] }) 12. Kf8 Kf6 13. Kg8 $18 {[%cal Gg8g7,Rg7g6]}) 1-0