www.arves.org - Polasek-50 JT and Vlasak-50 JT 2007

Polasek-50 JT & Vlasak-50 JT 2007

[Event "Polasek&Vlasak50JT_1st Prize"] [Site ""] [Date "2007"] [Round ""] [White "Matous, Mario"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/q7/8/2pp4/5K2/8/2RN1B1k/8 w - - 0 1"] [PlyCount "15"] [EventDate "2007"] 1. Nf3+ Kh1 $1 (1... Kh3 2. Ng5+ Kg2 3. Bxc5+) 2. Bd4 $3 {with a mate threat} ( 2. Bxc5 $2 Qa4+ 3. Nd4 Qxd4+ 4. Bxd4 {stalemate}) 2... Qf7+ $1 (2... Qc7+ $5 3. Ne5 $5 (3. Be5 Qh7 $1 4. Rxc5 d4 {unclear}) 3... Qc8 (3... Qb8 4. Rb2 $1 Qf8+ 5. Kg3 Qg7+ 6. Ng4 Qc7+ 7. Be5 Qh7 8. Rd2) 4. Kg3 Qg8+ 5. Ng4 Qb8+ 6. Kh3 Qb3+ 7. Rc3 Qb1 8. Nf2+ Kg1 9. Ne4+ cxd4 10. Rg3+ Kf1 11. Nd2+) (2... Qb8+ 3. Be5 Qf8+ 4. Ke3 Qh6+ 5. Kf2 c4 6. Ra2 Qb6+ 7. Bd4 Qb1 8. Ra1) 3. Ke3 $3 (3. Kg3 $2 Qg6+ 4. Kf4 Qxc2) (3. Ke5 $2 Qe8+ 4. Kf6 Qh8+ 5. Kg5 cxd4) 3... cxd4+ 4. Kf2 $1 Qf4 5. Rc6 $3 {Mutual zugzwang. Black has no good move with his queen.} (5. Re2 $2 Qe3+) (5. Ra2 $2 Qc1 6. Kg3 $5 (6. Ra8 Qc2+ 7. Kg3 Qg6+ 8. Kf2 Qc2+ (8... Qg2+ 9. Ke1 Qxf3)) 6... Qc7+ 7. Kf2 Qc1) (5. Rc8 $2 Qe3+ 6. Kg3 Qh6 7. Kf2 Qe3+ 8. Kg3 Qh6 9. Rg8 d3) 5... Qe3+ (5... d3 {the second thematic echo-like line} 6. Rc8 $3 Qh6 7. Rb8 $1 (7. Ra8 $2 Qg7)) 6. Kg3 { Mutual zugzwang again. Black has to move with a pawn blocking important line.} 6... d3 7. Ra6 $1 Qc1 8. Ra7 (8. Ra8 $2 Qc7+ 9. Kf2 Qb6+) 1-0

[Event "Polasek&Vlasak50JT_2-4Prize"] [Site ""] [Date "2007"] [Round ""] [White "Becker, Richard"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2Bk4/p5P1/1PpK4/p7/4r3/P7/8 w - - 0 1"] [PlyCount "63"] [EventDate "2007"] 1. b6 $1 ({Thematic try} 1. g7 $2 Re8 2. b6 (2. Bd6 Rg8 3. bxa6 c4 4. a7 c3 5. Bf8 (5. Bb8 c2 6. a8=Q c1=Q {=}) 5... c2 6. a8=Q c1=Q 7. Qxa4+ Kd8 {=}) 2... c4 3. Be5 (3. Bd6 c3 4. Bf8 c2 5. g8=Q c1=Q 6. Qf7+ Kd8 {=}) (3. Bf4 c3 4. b7 c2 5. b8=Q Rxb8 6. Bxb8 c1=Q {=}) 3... c3 4. Bxc3 Kc8 5. Bb4 (5. Kc6 Re6+ {=}) 5... Rg8 6. Bf8 Kb7 7. Kc5 a3 $1 {zz =}) (1. Be5 Re2 2. bxa6 Kc8 3. Kc6 Rg2) 1... Rd3+ $1 (1... Re6 2. b7 {+-}) (1... Re8 2. Bf4 {(Bg3)} 2... c4 (2... Kc8 3. Kc6 Re7 4. Bc7 Re6+ 5. Bd6 {+-}) 3. b7 c3 4. b8=Q Rxb8 5. Bxb8 c2 6. Bf4 {+- }) (1... Re7 2. Be5 Kc8 3. g7 Re8 4. Kc6 Re6+ 5. Bd6 {+-}) 2. Kxc5 Rc3+ $1 ( 2... Rh3 3. g7 Rh5+ 4. Kd4 (4. Kb4 $2 Rg5 5. Bf4 Rxg7 6. b7 Kc6 7. b8=Q Rb7+ {= }) (4. Kc4 $2 Rh4+ 5. Kd5 Rg4 6. Be5 Kc8 {=}) 4... Rg5 (4... Rh4+ 5. Ke5 Rg4 6. Kf6 {+-}) 5. Bf4 Rxg7 6. b7 Rg8 7. Kc5 Rg5+ 8. Kb6 {+-}) 3. Kd5 $1 (3. Kd4 $2 Rc6 4. g7 Rg6 {=}) 3... Rd3+ (3... Rc6 $2 4. b7 Kxc7 5. b8=Q+ {+-}) (3... Rc2 4. Bg3 Rd2+ 5. Kc5 Rc2+ (5... Kc8 6. g7 Rd8 7. Kc6 {+-}) 6. Kd4 Kc6 7. g7 Rd2+ 8. Ke5 Rd8 9. Bf2 Rg8 10. Kf6 {+-}) 4. Ke5 $1 (4. Ke4 $2 { the tempo is very important} 4... Rd1 5. Kf3 (5. g7 Rg1 {=}) 5... Rf1+ 6. Kg4 Rf8 7. Kg5 Rg8 8. Kf6 Rf8+ 9. Kg7 Rf1 10. Kg8 Kc6 $1 $11 11. g7 Re1 { Preventing Bd8. Compare to main, with Kc6 white cannot win.}) 4... Rd1 $1 { the best defence} (4... Rd2 5. g7 Rg2 6. Kf6 Rf2+ 7. Kg6 Rg2+ 8. Kh7 {(Kh6) +-} ) (4... Rg3 5. Kf6 Rg1 6. Bh2 Rf1+ 7. Kg5 {a bily promaze jednim z pescu - JP}) 5. g7 $1 (5. Kf5 $2 {after this tempo lose the game is similar to 4.Ke4?} 5... Kc6 6. g7 Rg1 7. Kf6 Rf1+ 8. Kg6 Rg1+ 9. Kf7 Rf1+ 10. Kg8 Re1 {(Rd1) =}) 5... Rg1 6. Kf6 {The first step of White's plan. Now BTM cannot use his extra move to play Kc6, so in principle White won an important tempo.} 6... Rf1+ (6... Kc6 $2 7. Bd8 Kb7 8. Kf7 Kc8 9. Be7 Kb7 10. Bc5) 7. Kg6 Rg1+ 8. Kf7 Rf1+ 9. Kg8 { Black is in zugzwang now a has to move with pawns. But white has a way to return to this position again and again.} 9... a5 10. Kh7 $1 ({Thematic try} 10. a3 $2 Kc6 11. Bd8 Rd1 12. Bg5 (12. Bf6 Rd7 {=}) (12. Bh4 Rg1 13. Bf2 Rf1 14. Bd4 Rf4 15. Bc5 Rf3 16. Kh7 Rh3+ 17. Kg6 Rg3+ 18. Kf7 Rf3+ 19. Ke7 Rg3 20. Kf7 Rf3+ {=}) 12... Rg1 13. Be3 Rg3 14. Bd4 Rxa3 {=}) (10. Bh2 Kc6 11. Kh7 Rh1 12. g8=Q Rxh2+) (10. Bg3 Kc6 11. Kh7 Rh1+) 10... Rh1+ 11. Kg6 Rg1+ 12. Kf7 Rf1+ 13. Kg8 a3 14. Kh7 Rh1+ 15. Kg6 Rg1+ 16. Kf7 Rf1+ 17. Kg8 a4 18. Kh7 Rh1+ 19. Kg6 Rg1+ 20. Kf7 Rf1+ 21. Kg8 {Now Black has not any good move.} 21... Kc6 ( 21... Kc8 22. Kh7 Rh1+ 23. Kg6 Rg1+ 24. Kf6 Rf1+ 25. Bf4 Rxf4+ 26. Kg5 Rf1 27. g8=Q+ {with check}) (21... Rg1 22. Bh2 Rg2 23. b7) 22. Bd8 $1 Rd1 23. Bg5 $1 Rg1 24. Be3 $1 Rg3 25. Bd4 Rf3 (25... Rg4 26. Kf7 Rf4+ 27. Bf6 {etc.}) 26. Kh7 Rh3+ 27. Kg6 Rg3+ 28. Kf7 Rf3+ 29. Bf6 $3 Rg3 30. Bd8 $1 Rf3+ 31. Kg6 Rg3+ 32. Bg5 {and wins.} 1-0

[Event "Polasek&Vlasak50JT_2ndHM"] [Site ""] [Date "2007"] [Round ""] [White "Akobija_Becker, Iuri_Richard"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1n3K1b/1r3p2/5Pk1/8/8/3R1n2/4R3/8 w - - 0 1"] [PlyCount "34"] [EventDate "2007"] 1. Re7 $1 (1. Rxf3 Nd7+ 2. Ke8 Nxf6+) 1... Nd7+ 2. Rdxd7 (2. Rexd7 Rb8+ 3. Rd8 Rxd8+ 4. Rxd8 Bxf6 $19 5. Rd6 { the similar position to the main, but white loses here easily} 5... Ng5 $1 6. Rb6 Ne6+ 7. Ke8 (7. Kg8 Bd4 8. Ra6 Kf6 9. Rd6 Ke7) 7... Bd4 8. Ra6 Kg7 $1 9. Ke7 Nf4) 2... Rxd7 (2... Rb8+ {the second thematic line} 3. Re8 Rxe8+ 4. Kxe8 { the same postion as in main line, but the King on e8 instead of f8} 4... Ne5 $1 {in this constellation better as Ng5} (4... Ng5 5. Rd4 (5. Rd1) 5... Bxf6 (5... Kxf6 6. Rg4 Ne6 7. Rg1 Ng7+ (7... Nc7+ 8. Kf8 Bg7+ 9. Kg8 Ne6 10. Rf1+) 8. Kf8 Nf5 (8... Ne6+ 9. Kg8) 9. Kg8 Bg7 10. Rf1) 6. Rg4 Kg7 7. Rg1) 5. Rd1 Bxf6 6. Re1 $1 (6. Kf8 Bg5) 6... Bg7 7. Rg1+ Kf6 (7... Kh7 8. Rf1 (8. Ke7 { enough to draw})) 8. Rf1+ Ke6 9. Rxf7 Nxf7 {stalemate}) 3. Rxd7 Ng5 $1 (3... Ne5 4. Rd6 Bxf6 5. Ra6 {positional draw, black cannot free the pin} 5... Nf3 6. Rb6 Ng5 7. Kg8 $1 Kf5 8. Rb7 Ke6 9. Rb6+) 4. Kg8 $1 (4. Rd5 $5 {premature} 4... Nh7+ $1 5. Kg8 Nxf6+) (4. Ra7 Bxf6 5. Ra6 Ne6+ {wins}) 4... Bxf6 5. Rd5 $1 { mutual zugzwang} (5. Rd1 Be5 6. Rd5 f6 {wins}) (5. Rd6 Kf5 6. Rd7 Ke6 7. Ra7 Be5) 5... Ne6 6. Rd7 Nd8 7. Rd6 $1 Ne6 8. Rd7 Ng5 9. Rd5 $1 {we are back} 9... Be7 $5 10. Rd7 Kf6 (10... Bc5 11. Rxf7 Nxf7 {stalemate}) 11. Rd1 $1 { after this y-move we have a very interesting RxB battle with geometric motives} 11... Bc5 {and also this move has his minus, see 12...Ke7?} (11... Ba3 12. Rg1 $1 {and there is not Bc1} (12. Rf1+ $2 Ke7 13. Re1+ Ne6 14. Rf1 f6)) (11... Bb4 12. Rd5 $1 {and there is not Bd2} 12... Nf3 13. Rb5 Bd6 14. Rb6) 12. Rf1+ Ke6 ( 12... Ke7 13. Rf5 {the problem of Bc5}) 13. Re1+ Kd6 14. Rf1 Ke6 15. Re1+ Kf6 16. Rf1+ Kg6 17. Rxf7 Nxf7 {stalemate} 1/2-1/2

[Event "Polasek&Vlasak50JT_3rdHM"] [Site ""] [Date "2007"] [Round ""] [White "Matous, Mario"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "kB1N4/8/1P6/7Q/N7/qp1K4/p7/8 b - - 0 1"] [PlyCount "20"] [EventDate "2007"] 1... b2+ 2. Ke2 (2. Kd2 $2 Qb4+ 3. Nc3 Qd4+ 4. Kc2 b1=Q+ 5. Nxb1 Qe4+) 2... Qd3+ (2... Qe7+ 3. Be5) (2... Qxa4 3. b7+ Kxb8 4. Qe5+ Ka7 5. b8=Q+) 3. Kxd3 $1 (3. Kf2 Qd2+ (3... b1=Q 4. Qa5+) 4. Kg3 Qe3+ 5. Kh2 Qd2+ 6. Kh3 Qd7+ 7. Ne6 Qxe6+ 8. Kh2 a1=Q $1 (8... Qc6 9. Qa5+ Kxb8 10. Qa7+ Kc8 11. Nxb2 Qd6+) 9. Qf3+ Kxb8 10. Qg3+ Kb7 11. Qc7+ Ka6 12. Nc5+ Kb5 13. Nxe6 b1=Q) 3... b1=Q+ 4. Kd2 $1 (4. Kc4 {a try} 4... Qe4+ 5. Kb3 $1 (5. Kb5 a1=Q 6. b7+ Kxb8 7. Qh2+ Qae5+) 5... Qxa4+ 6. Kxa4 a1=Q+ 7. Kb5 $1 (7. Kb3 Qb1+ 8. Kc4 Qxb6) (7. Kb4 Qd4+ 8. Kb5 Qe5+) 7... Qe5+ $1 {this is draw} 8. Kc6 (8. Ka6 Qa1+ $1 9. Qa5 Qf1+) 8... Qc7+ $1 9. Kd5 $1 Qxb6) 4... Qb4+ 5. Nc3 Qxc3+ (5... Qb2+ 6. Kd3) (5... Qd4+ 6. Ke2 Qxb6 7. Qd5+ Kxb8 8. Nxa2 Qb2+ 9. Kd3 Qb1+ 10. Kc3 Qe1+ 11. Kb3 Qb1+ 12. Ka3) 6. Kxc3 a1=Q+ 7. Kc4 $1 (7. Kb4 {a try} 7... Qd4+ 8. Kb5 Qe5+ $1 { we know it from previsous lines}) 7... Qa4+ 8. Kc5 Qa5+ (8... Qc2+ 9. Kd5 (9. Kd6 Qc7+) 9... Qd3+ 10. Kc6 Qc4+ 11. Qc5 {see line 9...Qa4+}) 9. Kc6 Qxh5 (9... Qa4+ {difficult lines} 10. Qb5 (10. Kd6 {also wins} 10... Qb4+ 11. Qc5 Qf4+ 12. Ke6 (12. Qe5 Qb4+) 12... Qh6+ 13. Kd7 Qh7+ 14. Kc6 Qc7+ 15. Kb5 Qxd8 16. Qa3+) 10... Qc2+ 11. Kd6 Qc7+ 12. Ke6 Qxb6+ 13. Qc6+ Qxc6+ 14. Nxc6) 10. b7+ Kxb8 11. Kb6 1-0

[Event "Polasek&Vlasak50JT_4thHM"] [Site ""] [Date "2007"] [Round ""] [White "Nosek, Stanislav"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4bn2/2p5/6P1/1P6/k3K3/3B4/8/8 w - - 0 1"] [PlyCount "13"] [EventDate "2007"] 1. g7 Nd7 (1... Nh7 2. Ke5 Bf7 3. Bxh7 Kxb5 4. Kf6 Ba2 5. Bg6 Bg8 6. Bf7 Bh7 7. Kg5) 2. b6 $3 {a nice point} (2. Bc4 $6 Bg6+ $1 (2... Nf6+ 3. Kf5) 3. Kf4 (3. Kd4 Bh7) 3... Bh7 (3... Nf6 4. Kg5) 4. Kg5 (4. Be6 Nf6 5. Kg5 Ng8) 4... Kb4 5. Be6 (5. Ba2 Kxb5 6. Kh6 Nf6) 5... Nc5 $1 $11 (5... Kc5 $2 6. Bxd7 Bg8 7. Kf6 Kd6 8. Be8) (5... Kxb5 6. Bxd7+ Kc5) 6. Bd5 Nd7 $1 7. Be6 Nc5 $11) (2. Kf4 Bf7 3. Bg6 Bg8 4. Be8 Nb6 (4... Nc5)) 2... cxb6 3. Kf4 $1 { another nice move "to nowhere"} (3. Kd4 $2 Nf6 4. Bc4 Bg6 5. Ke5 Ng4+ 6. Kf4 Bh7 7. Kxg4 b5 $11 {db}) (3. Kf5 Bf7) 3... Bf7 (3... Nf6 4. Kg5 Ng8 5. Bc4 Ne7 6. Kf6 Bg6 7. Kxe7 Bh7 8. Kf8) 4. Bg6 Bg8 5. Be8 Kb4 6. Bxd7 Kc5 7. Ke5 {wins} (7. Ke5 {example} 7... b5 8. Be6 (8. Kf6 {also}) 8... Bh7 9. Kf6 b4 10. Kf7 Kd6 11. Bb3 {with Kf8 and Bc2}) 1-0

[Event "Polasek&Vlasak50JT_5thHM"] [Site ""] [Date "2007"] [Round ""] [White "Hlinka, Michal"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3p4/7r/K4p1k/2p2P2/PPP3R1/4b3/4B3 b - - 0 1"] [PlyCount "18"] [EventDate "2007"] 1... Ra6+ 2. Kxa6 (2. Kb5 {Vlasak} 2... cxb3+ 3. c4 Rxa3 (3... Rc6 4. Ka5) 4. Rg5+ (4. Bc3 b2 5. Rg5+ Kh4 6. Bxb2 Rb3+ 7. Kc5 Rxb2 8. Rxf5) 4... Kh6 5. Bc3 b2 6. Bg7+ Kh7 7. Bxb2 Rb3+ 8. Kc5 Rxb2 9. Rxf5 Kg6 10. Rd5 Rb7 11. Re5 Bf1 12. Kd5 Kf6 13. c5 Ra7 14. Re8 Bg2+ 15. Kd6 Ra6+ 16. Kc7 Bd5 17. Re1 Be6 18. Kb7 Ra4 19. Kc7 Rxf4 20. Rc1 Ke5 21. c6 d5 {wins}) 2... cxb3+ 3. c4 (3. Ka5 { another difficult line} 3... b2 4. Rg5+ (4. Rg2 b1=Q 5. Rxe2 Qb3 (5... Kg4 { another good move} 6. a4 Qd3 7. Rb2 Qd5+ 8. Rb5 Qa8+ 9. Kb6 (9. Kb4 Qe4+) 9... Qf3 10. Kc7 Qxf4+ 11. Kd8 Qg5+ 12. Kc8 Qe3 13. Rb1 f4 14. Ra1 f3) 6. Re5 (6. a4 Qd5+ 7. Kb4 Qd6+) 6... Qxa3+ 7. Kb5 (7. Kb6 Qd6+) 7... Qc1 (7... Qb3+ 8. Kc5 Kg4 9. Bd2 Qa3+ 10. Kd4 {black cannot win}) 8. c4 (8. Rxf5+ { key line where White loses} 8... Kg4 9. Rg5+ (9. Re5 Qxf4 10. Re8 Qf5+ 11. Kb4 Qg6 12. Re5 Kf4) 9... Kf3 (9... Kxf4 10. Bh4 Qxc3 {black wins}) 10. Bg3 Qxc3 11. Bh4 Qc6+) (8. Kc4 Qxf4+ 9. Kd5 Qf3+ 10. Kc4 Kg4 11. Bd2 Qc6+ 12. Kd4 Qf6 13. Kd5 f4 14. Re4 Qc6+ 15. Kd4 Qd6+) 8... Kg4 9. Bb4 Qxf4 10. Bd6 Qf3 11. Rd5 f4 12. Rd4 Qb7+ 13. Kc5 Qa7+ 14. Kd5 Qa5+ 15. c5 Qa2+ 16. Rc4 Kf5 17. Bxf4 Qg2+ 18. Kd6 Qc6+ 19. Ke7 Qe6+) (4. Rh3+ Kg6 5. Rh2 b1=Q 6. Rxe2 Qb3 7. Re5 d6 8. Rb5 Qxa3+ 9. Kb6 Qc1) 4... Kh6 5. Rg2 b1=Q 6. Rxe2 Qb3 7. Re5 (7. Rh2+ Kg6 8. Bd2 Qxa3+ (8... Qc4) 9. Kb5 Qa1 (9... d5 10. Rg2+ Kf6 11. Rh2 Qa1 12. c4) 10. c4 (10. Kc4 Qf1+ 11. Kb3 Qg1) 10... Qf1 (10... Qb1+ 11. Bb4 Qe4 12. c5 (12. Bd2 d6 13. Bb4 Qb7+ 14. Ka4 Qc6+ 15. Kb3 Qf3+ 16. Bc3 d5 (16... Qxf4 17. Rd2) 17. cxd5 (17. Rd2 dxc4+ 18. Kxc4 Qxf4+ {wins in 54}) 17... Qxd5+ 18. Kb2 Qb7+ 19. Kc1 (19. Kc2 Qe4+ 20. Kd1 Qxf4 {wins})) 12... Qxf4 13. Rd2 Qb8+ 14. Kc4 Qg8+ 15. Kb5 Qf7 16. Bc3 (16. Rd6+ Kg5 17. Bd2+ f4 18. Rd4 Qb3+ 19. Ka5 Kg6 20. Bxf4 Qc3+ 21. Rb4 Qxc5+ $19 {EBTB} 22. Ka4 Kf5) 16... f4 17. Kb4 Kf5 (17... f3 18. Bd4 d6 19. cxd6 Qf4 20. Kc3 Qxd6 {wins in 68}))) (7. Bd2 Qxa3+ 8. Kb5 Kh5) (7. Re8 Qxa3+ 8. Kb5 Qb3+ 9. Kc5 Qa4) 7... Qxa3+ (7... d6 8. Rb5 Qxa3+ 9. Kb6 Qc1 10. Bh4 {white wins a good sqaure for bishop - g5 or d4} 10... Qe3+ (10... Qxc3 11. Bg5+ Kg6 12. Rd5 $11) (10... Qxf4 11. Bf6 Qe4 12. Rb2 f4 13. Bd4 f3 14. Ka5 Kg5 15. Kb4 Kg4 16. Kb3 d5 17. Ka2 Qe1 18. Rc2 Kf4 19. Kb2 Ke4 20. Rf2 Qd1 21. Rc2 Kd3 22. Rf2 Kc4 23. Rc2) 11. Kc7 (11. Kc6 Qxf4 12. Bf6 Qc4+ 13. Kb6 f4 14. Bd4) 11... Qxf4 (11... Qxc3+ 12. Kd7 (12. Kxd6 Qd4+ 13. Kc6 Qxf4 {wins}) 12... Kh5 13. Be7 Qd3 14. Rb4 d5 15. Bc5 (15. Bd6 Qc3) 15... Qa6 16. Rd4 Kg4 17. Rb4 {probably draw}) 12. Bf6 (12. Rb4 Qe5 13. Rd4 Kh5 14. Bf2 f4 15. Kc6 (15. Rxd6 Qxc3+) 15... Qc5+ 16. Kd7 Qxc3 17. Rxf4 {wins}) 12... Qc4+ (12... d5+ 13. Kb7 Qd6 14. Bd4) 13. Kb6 f4 14. Bd4 f3 15. Rb2 Kg5) 8. Kb5 (8. Kb6 Qd6+ (8... Qc1 9. Re2 Qd1 10. Re5 Qf3 11. Bd2 Qg2 12. Be3 Qc6+) 9. Kb5 (9. Ka5 Qc7+ 10. Kb4 d6 11. Rxf5 Qe7 12. Rd5 Qxe1 13. Rxd6+ {EGTB win}) 9... Qc6+ 10. Kb4 d6 11. Re7 ( 11. Re6+ Kh5 12. Bf2 Qb7+ 13. Kc4 Qa6+ 14. Kb3 Qb5+ 15. Kc2 Qc4) 11... d5 12. Kb3 (12. Re5 Qc4+ 13. Ka3 Qxf4 14. Re2 Qf1 15. Rh2+ Kg6 16. Bd2 f4 17. Kb2 Kf5) 12... Qc4+ 13. Kc2 (13. Kb2 Qxf4 14. Kc2 Qa4+ 15. Kd2 (15. Kb2 Qd1) 15... f4 16. Re2 f3 17. Rf2 Qe4 18. Kd1 Kg5 19. Rc2 Qd3+ 20. Kc1 Qf1 21. Kd1 Kf4 22. Rf2 Qd3+ 23. Kc1 Qe4 24. Kd1 Qb1+ 25. Kd2 Kg4 {white has no moves}) 13... Kh5 14. Bd2 d4 15. Kb2 (15. Re5 d3+ 16. Kd1 Qa4+ 17. Ke1 Qa1+ 18. Kf2 Qd1) 15... Qd3 16. Be1 dxc3+ 17. Bxc3 Kg4 18. Re1 (18. Rb7 Kxf4 {wins}) (18. Rh7 Kxf4 {wins}) 18... Kxf4 {EGTB win}) 8... Qc1 9. c4 (9. Bh4 Qxf4 10. Bf6 Kg6) (9. Kc4 Qxf4+ 10. Kd5 Qf3+ 11. Kc4 Qd1) (9. Re2 Kh5 10. Kc4 Qxf4+ 11. Kd3 Qf1 12. Kd2 Kg4) 9... Qxf4 10. Bc3 (10. Rd5 Qb8+ 11. Ka4 f4 12. Bf2 Qb1 13. Rd2 Kg5 14. Bc5 f3) 10... Qg3 11. Bd4 f4 12. Rd5 (12. Rf5 f3 13. Rf6+ Kg5 14. c5 Qg4 15. Rd6 f2 16. Bxf2 Qe2+ 17. Kb6 Qb2+ 18. Kc7 Qxf2 19. Rd5+ Kf6) 12... Qb3+ 13. Kc5 Qa4 14. Rd6+ Kg5 15. Kd5 f3) 3... Bxc4+ (3... b2 4. Rh3+ Kg4 5. Rg3+ Kh5 6. Rh3+ Kg6 7. Rg3+ Kf7 8. Rg7+ $11) 4. Ka7 $1 (4. Ka5 b2 5. Rh3+ Kg6 6. Rg3+ Kf7 7. Rg7+ Ke8 8. Bb4 b1=Q 9. Re7+ Kd8 $19) 4... b2 5. Rh3+ Kg6 (5... Kg4 6. Rg3+ Kxf4 (6... Kh5 7. Rh3+ Kg6) 7. Rg1 Bd3 {critical position} 8. Bd2+ Ke4 9. Re1+ (9. Kb6 b1=Q+ 10. Rxb1 Bxb1 11. Kc5 Bc2 (11... d5 12. a4 Bd3 13. Bc1 Ba6 14. Bb2) 12. Kc4 f4 13. Kc3 Bd1 14. Be1 Ke3 15. Bd2+ Kf3 16. Kd3 Ba4 17. Kc3 Kg3 18. Be1+ Kg2 19. Kd3 f3 20. Ke3 $11) 9... Kd4 10. Be3+ Kc4 11. Kb6 b1=Q+ 12. Rxb1 Bxb1 { Fritz shows draw here} 13. a4 d5 14. a5 d4 15. Bf4 Be4 16. Kc7 d3 17. Kd6 Kc3 18. Ke5 d2 19. Bxd2+ Kxd2 20. Kf4 $1 Kd3 21. a6 Kd4 22. a7 Kc5 23. a8=Q $11) 6. Rg3+ Kf7 7. Rg7+ Ke8 8. Bb4 b1=Q 9. Re7+ Kd8 10. Re1 { with the treat Re1 and Ba5+} 1/2-1/2

[Event "Polasek&Vlasak50JT_1-2thComm"] [Site ""] [Date "2007"] [Round ""] [White "Akobija, Iuri"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4n3/4p3/2P5/8/3P4/k2n1N2/7K/4B3 w - - 0 1"] [PlyCount "31"] [EventDate "2007"] 1. Bg3 {treating c7 and same time preventing Nd6} (1. Bh4 { two pawns are not enough to win in such a positions} 1... Nb4 2. Bxe7 (2. Ne5 Ka4 3. Bxe7 Kb5 4. Bxb4 Kxb4) 2... Ka4 3. Ne5 Kb5 4. Bxb4 Kxb4 5. Kg3 Kc3 6. Nf3 (6. d5 Kd4 7. c7 Nxc7 8. d6 Ne6) 6... Kc4 7. Kf4 Kd5) (1. Ba5 Nb4 2. c7 (2. Ne5 Nd5 3. Kg3 Ka4 4. Bd8 Nec7 5. Kf3 Ne6 6. Ke4 Nf6+ 7. Kf5 Nxd4+ 8. Kg6 Ne8 9. Kf7 Kb5) 2... Nd6 $1) 1... e5 $5 {the only way to prevent c7} ({ but with an extra piece white consolidates} 1... Kb4 2. c7 Nxc7 3. Bxc7 Kc4 4. Bd8 (4. Kg3) 4... e6 (4... e5 5. dxe5 Kd5 6. Bf6) 5. Kg3 Kd5 6. Bf6 Ke4 7. Bg7 Nb4 (7... Ke3 8. Ng5) 8. Nd2+ Kd3 9. Nb3 Kc3 10. Nc5 Kc4 11. Nxe6 Nc6 12. Kf3 Kd5 13. Nf4+ Kc4 14. Ne2) (1... Nb4 2. c7 Nxc7 3. Bxc7 Kb3 4. Kg3 Kc4 5. Be5 Nd3 6. Kg4 e6 7. Bh8 Kd5 8. Bg7 Ke4 9. Ng5+ Kd5 10. Kf3) 2. Nxe5 $1 (2. Bxe5 Nxe5 3. Nxe5 (3. dxe5 Kb4 4. Kg3 Kc5) 3... Kb4 4. Kg3 Kc3 5. Nf3 (5. d5 Kd4) 5... Kc4 6. Kf4 Kd5) (2. dxe5 Nc5 $1 3. Nd4 (3. Bf2 Kb4 $1 (3... Ne6 4. Nd4) 4. Nd4 Kc4 5. Nf5 Nc7 6. Ne7 Nd3 7. Bb6 Na8 8. Ba5 Nxe5 9. c7 Nxc7 10. Bxc7 Nd7) 3... Kb4 4. e6 (4. Kg2 Kc4 5. Bf2 Kd5) 4... Na6 5. e7 Kc5 6. Bf2 Nac7 7. Kg3 Nd5 {a two pawns effect again}) (2. d5 Kb4) 2... Nb4 $1 { white will win a minor piece, but black prepares an interestin defence} (2... Nxe5 3. Bxe5 Kb4 4. c7 Nxc7 5. Bxc7 Kc4 6. Be5) (2... Nb2 3. d5 Ka4 (3... Kb4 4. Nd3+ Nxd3 5. d6) 4. Nf7 Kb5 5. c7 Nxc7 6. Bxc7 Nc4 (6... Nd3) (6... Kc5 7. d6 Kc6 8. Ne5+) 7. Kg3) 3. Nc4+ (3. Nd7 Nxc6) (3. Bh4 Kb3 4. Bd8 Kc3 5. Bb6 Nd5 6. Bc5 Nec7 7. Kg3 Ne6) 3... Kb3 (3... Ka4 4. c7 Nxc7 5. Bxc7 Kb3 6. Ne3) 4. Na5+ Ka4 5. c7 Nxc7 6. Bxc7 Kb5 $1 {Very intereting position} 7. Kh1 $3 { mutual zugzwang} (7. Bd8 $2 {d6 is not guarded} 7... Nc2 8. d5 Kc5) (7. Kh3 $2 Nd5 8. Bd8 Nf4+ 9. Kg4 Ne6 10. Bf6 Nxd4) (7. Kg3 $2 Nc2 8. d5 Ne3 9. d6 Nf5+ 10. Kf4 Nxd6 11. Bxd6 Kxa5) (7. Kg2 $2 Nd5 8. Bd8 Nf4+ 9. Kf3 Ne6) (7. Kg1 $2 Nd5 8. Bd8 Nf4) 7... Nd5 8. Bd8 {and white consolidates his advantage} 8... Ne3 (8... Nf4 9. Nb7 Kc6 10. Nc5 Kd5 11. Bf6 Ne2 12. Nb3 Kc4 13. Nd2+ (13. Be5) 13... Kd5 14. Nf3 Ke4 15. Kg2) 9. Nb7 Kc4 10. Bf6 { with Kh2 black could play Ng4+, so 7.Kh1 is mutual zugzwang} 10... Nc2 11. Na5+ $1 {a small switchback} (11. Nd6+ Kd5 12. Nb5 Kc4 13. Nd6+ Kd5 14. Nf5 Ke6) 11... Kd5 12. Nb3 Kc4 13. Nd2+ Kd3 14. Nf3 Ke4 15. Kg2 Ne3+ 16. Kg3 1-0

[Event "Polasek&Vlasak50JT_1-2thComm"] [Site ""] [Date "2007"] [Round ""] [White "Ornstein, Axel"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7k/5r1n/R1P4K/6P1/B5r1/2P3P1/8/8 w - - 0 1"] [PlyCount "23"] [EventDate "2007"] 1. g6 $1 (1. Bb3 Rf2 2. Ra8+ Nf8 3. Kh5 Rxg3 4. Kh4 Rxc3) (1. Bc2 Rxg3 2. Bxh7 (2. Bg6 Rh3+ 3. Bh5 Nf8 4. g6 Rg7 5. c7 Rxc7 6. Ra8 Kg8) 2... Rxh7+ 3. Kg6 Rg7+ 4. Kf6 R3xg5 5. Ra8+ (5. c7 Rc5 6. Ra8+ Rg8) 5... Kh7 6. Ke6 R5g6+ 7. Kd5 Rc7) (1. Ra8+ Nf8 2. Kh5 Rxg3 3. Kh4 Rxc3) 1... Rf2 $1 (1... Rf6 $6 2. Ra8+ $1 (2. Bc2 $1 Rxg3 3. Ra8+ Rf8 (3... Nf8 4. c7 Rf2 5. Rxf8+ Rxf8 6. Bf5) 4. Rxf8+ Nxf8 5. Bf5)) (1... Rf1 {see main}) 2. Ra8+ (2. Ra5 Rh2+ 3. Rh5 Rxh5+ 4. Kxh5 Nf6+ 5. Kh6 Rxa4) 2... Nf8 (2... Rf8 3. Ra7 (3. Rxf8+ Nxf8 4. c7)) 3. Rxf8+ $1 (3. Kh5 Rxg3 4. Kh4 Rxg6 5. Kh3 Rf7) (3. g7+ Rxg7) 3... Rxf8 4. c7 Rg8 $1 { White's position seems to be lost} (4... Rxg3 5. Bd7) 5. c8=Q $1 (5. Bd7 R4xg6+ 6. Kh5 R6g7 7. c8=Q Rh7#) 5... Rxc8 6. Bd7 Rcc4 7. Be6 Rce4 8. Bf5 Ra4 (8... Kg8 9. Kh5 $1 (9. g7 $1 {unfortunaltely also} 9... Kf7 10. Kh5 (10. Kh7 Rh4+))) 9. Bd7 Kg8 {the only try to aviod perpetual hunting of rooks} 10. c4 (10. Kh5 Rge4 11. Bc6 Re5+) 10... Raxc4 11. Be6+ Kf8 12. g7+ 1/2-1/2

[Event "Polasek&Vlasak50JT_3rdComm"] [Site ""] [Date "2007"] [Round ""] [White "Hlinka, Michal"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1b1B3k/1p6/2PP4/8/2R3p1/N6P/1q4P1/7K w - - 0 1"] [PlyCount "27"] [EventDate "2007"] 1. c7 $1 (1. Nc2 $2 Qc1+ 2. Kh2 Bxd6+ 3. g3 Qd2+ $19) (1. Bg5 $2 Qf2 $19) 1... Qa1+ $1 2. Nb1 $1 (2. Kh2 $2 Qe5+ 3. Kh1 (3. g3 Qe2+ 4. Kg1 Ba7+ $19) 3... Qe1+ $19) 2... Qxb1+ (2... Bxc7 3. Rxc7 Qxb1+ 4. Kh2 g3+ 5. Kxg3 Qg6+ 6. Kf2 Qxd6 7. Rc8 Kg7 8. Bg5 b5 9. Rd8 $11) 3. Kh2 g3+ $1 4. Kxg3 Qd3+ 5. Kh2 $3 (5. Kf4 $2 Qxc4+ 6. Ke5 Ba7) (5. Kf2 $2 Ba7+ 6. Ke1 Qxc4 $19) 5... Qxd6+ (5... Bxc7 6. Rh4+ Kg7 7. Rg4+ Kh7 8. dxc7) 6. Kh1 $1 (6. Kg1 $2 Ba7+ 7. Kh1 Qd1+ 8. Kh2 Bg1+ 9. Kg3 Qd3+) (6. g3 $2 Qd2+ 7. Kh1 Qd1+ 8. Kh2 Qe2+ 9. Kh1 Bxc7 10. Rh4+ (10. Rxc7 Qd1+ 11. Kh2 Qxd8 12. Rxb7 Qd2+ 13. Kg1 Qe1+ 14. Kh2 Qf2+ {JP}) 10... Kg7 11. Bxc7 Qd1+ 12. Kg2 Qc2+) 6... Qd1+ 7. Kh2 Qxd8 8. Rh4+ $1 Kg7 (8... Qxh4 $2 9. cxb8=Q+) 9. Rg4+ Kh6 (9... Kf6 $2 10. Rf4+ Ke7 11. cxd8=Q+ Kxd8 12. Kg3 b5 13. Kf3 Bxf4 14. Kxf4 b4 15. Ke3 $18) 10. Rh4+ Kg5 11. Rg4+ Kh5 12. Rh4+ $1 Kg5 (12... Kxh4 $4 13. g3+) 13. Rg4+ $11 Kh5 (13... Kf5 $2 14. Rf4+ $1) 14. Rh4+ { perpetual check} 1/2-1/2

[Event "Polasek&Vlasak50JT_4thComm"] [Site ""] [Date "2007"] [Round ""] [White "Rossi, Pietro"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7N/3kP2n/B7/b1n2p2/8/5P2/5K2/8 w - - 0 1"] [PlyCount "25"] [EventDate "2007"] 1. Bc8+ Kxe7 2. Bxf5 (2. Ng6+ Kf6 3. Nh4 f4) 2... Nf8 3. Ng6+ (3. Bb1 Kf6 4. Ba2 {black has a lot of winning ways here} 4... Nfe6 (4... Nce6 5. f4 Bc7 (5... Bd2 {wins too} 6. f5 Kxf5 7. Nf7 Bf4 8. Kf3 Nd4+ 9. Kf2 Nfe6) (5... Nxf4 $2 6. Nf7 Bc7 7. Kf3) 6. Kf3 (6. f5 Kxf5 7. Nf7) 6... Bxf4 7. Kg4 Bc1 8. Kh5 Nf4+ 9. Kh4 N8e6 10. Bxe6 (10. Kg4 Kg7 11. Kf5 Nd4+ 12. Ke4 (12. Ke5 Nc6+ 13. Kd6 Nb4) 12... Nb5 13. Nf7 Nc3+) 10... Nxe6 11. Kh5 Nf8 12. Kg4 Bh6 13. Kh5 Bg7) 5. f4 Nd3+ 6. Ke3 Ndxf4 7. Ke4 Bc7 $1 8. Bc4 (8. Bxe6 Nxe6 9. Kd5 Nf4+ 10. Kc6 Be5) 8... Kg7 9. Kf5 Nd8 $1) 3... Kf6 4. Nh4 (4. Nxf8 Kxf5 5. Ke3 Bb6) 4... Kg5 5. Kg3 Be1+ 6. Kh3 Bxh4 7. f4+ Kxf5 8. Kxh4 {This type of position was analysed by Polasek and Vlasak and published as a study Magyar Sakkelet 1989. The blocker has to be changed for knight, but it allows white to advance one square. And this postion is well known in a theory, white draws only if he can reach the h8 corner. Of course, the similar result is valid for thr startup position.} 8... Nce6 $5 (8... Nb3 $6 {Main line according to the author. But this move has no idea and after several moves the knight ends on e6.} 9. Kh5 ( 9. Kh3 Nh7) 9... Nd4 10. Kh6 (10. Kh4 Nh7 11. Kh5 Nf6+ 12. Kh6 Ke6 13. f5+ Kf7 14. Kg5 Kg7) 10... Nde6 11. Kh5 Ng6 12. Kh6 Ne7 13. Kh7 (13. Kh5 Ng8) 13... Kf6 14. f5 Nf8+ 15. Kh6 $1 {a small exception, not into the theoretical corner!} ( 15. Kh8 Kf7 16. f6 Neg6#)) (8... Ne4 9. Kh5 (9. Kh3 Nf6 10. Kh4 Ng6+ 11. Kg3 Nh8 12. Kh4 Nf7) 9... Ne6 (9... Nf6+ 10. Kh6) 10. Kh6 (10. Kh4 Nf6) 10... Ng3 11. Kh7 Kg4 12. f5) 9. Kh5 $1 (9. Kh3 Nd8 10. Kh4 Nf7 11. Kh5 Nd7 12. Kh4 Nf6) 9... Ng6 (9... Nd8 10. Kh6 Nf7+ 11. Kg7) (9... Nd7 10. Kh6 Nf6 { stalemate, Polasek's solution}) 10. Kh6 Ne7 11. Kh7 $1 (11. Kh5 $2 Ng8 $1) 11... Kf6 $1 12. f5 Nf8+ 13. Kh6 $1 (13. Kh8 $4 Kf7) 1/2-1/2

[Event "Polasek&Vlasak50JT_5thComm"] [Site ""] [Date "2007"] [Round ""] [White "Lerch, Jan"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7b/8/2P1k3/1p3p2/5P2/7N/2K5/8 w - - 0 1"] [PlyCount "15"] [EventDate "2007"] 1. Ng5+ Ke7 2. Nf7 (2. c7 $2 Kd7 3. Nf7 Ba1 4. Kb1 Bd4 5. Nd6 Kxc7 6. Nxb5+ Kc6 7. Nxd4+ Kd5 8. Ne2 Ke4 9. Kc2 Ke3 $11) 2... Ba1 (2... Bg7 {(Bf6, Bd4)} 3. c7 Kd7 4. Nd6 $18) 3. Kb3 $1 {a surprise even for experts} (3. Kb1 $6 Bd4 4. c7 Kd7 5. Nd6 Kxc7 6. Nxb5+ Kc6 7. Nxd4+ Kd5 8. Ne2 Ke4 9. Kc2 Ke3) 3... b4 (3... Ke6 4. Kb4 Bb2 5. Kxb5 Bc1 6. Ne5 Kd6 7. Kb6 $18) 4. Kxb4 Bb2 5. Nh6 $1 (5. Ne5 $2 Kd8 $1 6. Kc5 {for example} 6... Bc1 7. Ng6 Kc7 8. Kd5 Bd2 9. Nf8 Kc8 10. Ne6 Bc3 $1 11. Kd6 Bb2 $1 12. Kd5 Bc3 $1 13. Kc5 Bb2 (13... Bd2 $2 14. Kd4 $18 {Black has to control the e5 square}) (13... Kb8) 14. Kb6 Bc1 15. c7 Be3+ 16. Kc6 Bxf4 $140 $11) 5... Bc1 6. Nxf5+ { white can consolidate his 2 pawns advance now} 6... Ke6 (6... Kd8 7. Nd4 (7. Ng7) 7... Bxf4 8. Ne6+) (6... Ke8 7. Ng7+) 7. Nd4+ (7. Ng7+ { is not important dual}) 7... Kd6 8. f5 1-0

[Event "Polasek&Vlasak50JT_1stSpecHMRomantic"] [Site ""] [Date "2007"] [Round ""] [White "Jasik, Andrzej"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "4BknB/3p4/3P1P2/1p4r1/8/7K/8/8 w - - 0 1"] [PlyCount "24"] [EventDate "2007"] 1. Kh4 $1 (1. Bxd7 Rh5+ 2. Kg4 Rxh8) (1. f7 Rh5+ 2. Kg3 Rxh8 3. fxg8=Q+ Rxg8+) 1... Rg7 $3 {the best move of this tournament} (1... Rg1 2. Bxd7 Rh1+ 3. Bh3 b4 4. d7 Rd1 5. Be6) (1... Kxe8 2. Kxg5 Kf7 (2... Nh6 3. Bg7 Nf7+ 4. Kf5 b4 5. Ke4 Nxd6+ 6. Kd5 Kf7 7. Bh6 b3 8. Bc1 $11) 3. Kf5 b4 4. Ke4 Nxf6+ 5. Kd4 Ke6 6. Kc4 Nd5 7. Kc5 $11) 2. fxg7+ $3 {hard to find.} (2. Bxg7+ $2 Kxe8 3. Kg5 Kf7 4. Kf4 (4. Kf5 b4 5. Ke4 Nxf6+) 4... Nxf6 { the idea of 1..Rg7 - black wins a critical tempo} 5. Bh8 Ke6 6. Ke3 Nd5+ 7. Kd4 Kxd6 {EGTB tested}) 2... Kxe8 3. Kg5 b4 4. Kg6 b3 5. Kh7 b2 $1 (5... Kf7 { stalemate}) 6. Kxg8 b1=R $1 (6... b1=Q {stalemate}) 7. Kh7 Rh1+ 8. Kg6 (8. Kg8 $2 Rg1 9. Kh7 Kf7) 8... Rg1+ 9. Kf6 $1 (9. Kf5 $2 {Polasek} 9... Kf7 10. Ke4 ( 10. g8=Q+ Rxg8 $19 {EGTB}) 10... Rd1 11. Ke5 Kg8 12. Kf4 Rxd6 {EGTB}) 9... Rg2 10. g8=Q+ $1 Rxg8 11. Bg7 {WTM even wins after Kg6} 11... Rf8+ $1 { Black has to force draw here} (11... Kd8 12. Kf7 Re8 13. Bf6+) 12. Bxf8 Kxf8 $11 1/2-1/2

[Event "Polasek&Vlasak50JT_2ndSpecHMRomantic"] [Site ""] [Date "2007"] [Round ""] [White "Costeff, Gady"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7k/6p1/3P2P1/5bPK/7P/8/r1PP2PR/8 w - - 0 1"] [PlyCount "15"] [EventDate "2007"] 1. g4 $1 {A difficult move. White has to mobilize his rook, but the same time he agrees to play without King forever.} (1. c4 Rxd2 2. g4 Rxh2 3. gxf5 Rd2 4. f6 Rd4 5. f7 Rxh4+ 6. Kxh4 {stalemate}) 1... Bxc2 $1 { The other bishop's moves are a technical win.} (1... Be6 $5 2. Re2 Bg8 3. d7 ( 3. c4 $2 Bxc4 4. d3 Rxe2 5. d7 (5. dxc4 Kg8) 5... Bg8) (3. d3 $5 {Vlasak} 3... Ra8 (3... Ra6 4. d7 Rd6 5. Re7 Bd5 (5... Bh7 $5 {computer} 6. d8=Q+ Rxd8 7. gxh7 Kxh7 8. g6+) 6. c4 {mate in 9} 6... Bg8 7. c5 Rxd3 8. c6) 4. c4 Rd8 5. c5 Bd5 6. Re5 Ba8 (6... Bb7 7. d4 Kg8 8. d5 Kf8 9. Rf5+ Kg8 10. c6 Bc8 11. Rf7 Rxd6 12. Rc7 Rd8 13. d6 Kf8 14. Rf7+ Kg8 15. d7 Ba6 16. c7) 7. d4 Kg8 8. d5 Kf8 9. Rf5+ Kg8 (9... Ke8 10. Rf7 Rd7 11. c6 Rxd6 12. Rxg7) 10. c6 Rxd6 11. c7 Bb7 12. Rf4 Rxd5 13. Rb4) 3... Ra8 4. Re7 $1 (4. Re8 $2 Rd8 $1 5. Re7 Bd5 $1 6. d4 Bc6 $1 7. c4 Bxd7 {draws}) 4... Bd5 (4... Rd8 5. Rf7 $3 Rf8 6. c4 $1 {wins}) 5. Re8+ Bg8 6. Rc8 $3 Rxc8 7. dxc8=N $3 (7. dxc8=Q {stalemate}) (7. dxc8=B Be6 8. Bb7 Bd5 9. Ba6 Bc4 {positional draw})) (1... Bd7 { leads to a technical win. For example:} 2. Rf2 Ra8 3. Rf7 Rd8 (3... Be6 4. Re7 Bg8 5. Rf7 Rd8 6. d7) 4. c4 Be6 5. c5) 2. d3 $3 {2.d4? is the thematic try. The reason is not to prevent Bxg6+, but to save a tempo.} (2. d7 Ra8 3. Rh3 Rg8 4. Rc3 Ba4 5. Rc7 Bb5 6. d4 Ba6 7. d5 Bb5) ({or} 2. Rh3 Ba4) (2. d4 Bb3 3. Rxa2 (3. Rb2 Rxb2 4. d7 Bg8 5. d8=Q Rb5 6. Qc7 Rd5) 3... Bxa2 4. d7 Bg8 $11) 2... Bb3 3. Rxa2 Bxa2 4. d7 Bg8 $1 5. d4 $3 {mutual zugzwang.} 5... Be6 ({ After 2.d4? it would now be white to play and the mzz is on the other foot:} 5... -- 6. d5 Bxd5 7. d8=Q+ Bg8 {with a positional draw.}) 6. d8=R+ $3 ({ But not} 6. d8=Q+ $4 Bg8 $1 {with a positional draw shown by Lazard in 1905.}) 6... Bg8 7. Rd6 (7. Rd7) 7... Bc4 8. d5 1-0

[Event "Polasek&Vlasak50JT_2nSpecCommRomantic"] [Site ""] [Date "2007"] [Round ""] [White "Kekely, Lubos"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1Q5K/p5P1/P1p3q1/2P3r1/8/p1R4P/P5k1/8 w - - 0 1"] [PlyCount "31"] [EventDate "2007"] 1. Qg3+ $1 {A nice key!} (1. Qf8 Rh5+ 2. Kg8 Qe6+ 3. Qf7 Qc8+ 4. Qf8 Qe6+ $11) (1. Rg3+ $6 Kh1 $1 2. Rxg5 (2. Qb1+ Qxb1 3. Rxg5 Qxa2 4. g8=Q Qxg8+ 5. Kxg8 a2) 2... Qxg7+ 3. Kxg7 {pat}) 1... Rxg3 2. Rxg3+ Qxg3 3. g8=R (3. g8=Q $6 Kh1 $5 4. Qxg3 {stalemate, but other lines have to be analyzed} (4. Qc4 Qxh3+ 5. Kg7 Qf3 6. Kg6 Kg1 7. Kg5 Qf8 8. Qg4+ Kh1 9. Qd1+ Kg2 10. Qd6 Qg8+ 11. Kf4 Qc4+ 12. Ke5 Qe2+ 13. Kd4 Qd2+) (4. Qe6 Qh4+ 5. Kg7 Qg5+ 6. Kf7 Qxc5 7. h4 Qh5+ (7... Kh2 8. Qe2+ Kg3 9. h5) 8. Ke7 Qxh4+ 9. Kd6 Qb4+ 10. Kxc6 Qb6+ 11. Kd7 Qb2 12. Qd5+ Kg1 13. Kc8 Qb6 14. Qb7 Qe6+ 15. Kb8 Qxa2 16. Qxa7+ Kf1 $11)) 3... Kxh3 4. Rxg3+ Kxg3 5. Kg7 Kf4 6. Kf6 Ke4 7. Ke6 Kd4 8. Kd6 Kc3 9. Kxc6 Kb2 10. Kb5 $1 (10. Kb7 Kxa2 11. c6 Kb3 12. c7 a2 13. c8=Q a1=Q 14. Kxa7 {EGTB draw}) 10... Kxa2 11. c6 Kb1 12. c7 a2 13. c8=Q a1=Q 14. Qf5+ Ka2 15. Qc2+ Ka3 16. Qa4+ 1-0

[Event "Polasek&Vlasak50JT_2ndHM"] [Site ""] [Date "2007"] [Round ""] [White "R.Becker & I.Akobia"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1n3K1b/1r3p2/5Pk1/8/8/3R1n2/4R3/8 w - - 0 1"] [PlyCount "34"] [EventDate "2007"] 1. Re7 $1 (1. Rxf3 Nd7+ 2. Ke8 Nxf6+) 1... Nd7+ 2. Rdxd7 (2. Rexd7 Rb8+ 3. Rd8 Rxd8+ 4. Rxd8 Bxf6 $19 5. Rd6 { the similar position to the main, but white loses here easily} 5... Ng5 $1 6. Rb6 Ne6+ 7. Ke8 (7. Kg8 Bd4 8. Ra6 Kf6 9. Rd6 Ke7) 7... Bd4 8. Ra6 Kg7 $1 9. Ke7 Nf4) 2... Rxd7 (2... Rb8+ {the second thematic line} 3. Re8 Rxe8+ 4. Kxe8 { the same postion as in main line, but the King on e8 instead of f8} 4... Ne5 $1 {in this constellation better as Ng5} (4... Ng5 5. Rd4 (5. Rd1) 5... Bxf6 (5... Kxf6 6. Rg4 Ne6 7. Rg1 Ng7+ (7... Nc7+ 8. Kf8 Bg7+ 9. Kg8 Ne6 10. Rf1+) 8. Kf8 Nf5 (8... Ne6+ 9. Kg8) 9. Kg8 Bg7 10. Rf1) 6. Rg4 Kg7 7. Rg1) 5. Rd1 Bxf6 6. Re1 $1 (6. Kf8 Bg5) 6... Bg7 7. Rg1+ Kf6 (7... Kh7 8. Rf1 (8. Ke7 { enough to draw})) 8. Rf1+ Ke6 9. Rxf7 Nxf7 {stalemate}) 3. Rxd7 Ng5 $1 (3... Ne5 4. Rd6 Bxf6 5. Ra6 {positional draw, black cannot free the pin} 5... Nf3 6. Rb6 Ng5 7. Kg8 $1 Kf5 8. Rb7 Ke6 9. Rb6+) 4. Kg8 $1 (4. Rd5 $5 {premature} 4... Nh7+ $1 5. Kg8 Nxf6+) (4. Ra7 Bxf6 5. Ra6 Ne6+ {wins}) 4... Bxf6 5. Rd5 $1 { mutual zugzwang} (5. Rd1 Be5 6. Rd5 f6 {wins}) (5. Rd6 Kf5 6. Rd7 Ke6 7. Ra7 Be5) 5... Ne6 6. Rd7 Nd8 7. Rd6 $1 Ne6 8. Rd7 Ng5 9. Rd5 $1 {we are back} 9... Be7 $5 10. Rd7 Kf6 (10... Bc5 11. Rxf7 Nxf7 {stalemate}) 11. Rd1 $1 { after this y-move we have a very interesting RxB battle with geometric motives} 11... Bc5 {and also this move has his minus, see 12...Ke7?} (11... Ba3 12. Rg1 $1 {and there is not Bc1} (12. Rf1+ $2 Ke7 13. Re1+ Ne6 14. Rf1 f6)) (11... Bb4 12. Rd5 $1 {and there is not Bd2} 12... Nf3 13. Rb5 Bd6 14. Rb6) 12. Rf1+ Ke6 ( 12... Ke7 13. Rf5 {the problem of Bc5}) 13. Re1+ Kd6 14. Rf1 Ke6 15. Re1+ Kf6 16. Rf1+ Kg6 17. Rxf7 Nxf7 {stalemate} 1/2-1/2

[Event "Polasek&Vlasak50JT_1-2thComm"] [Site ""] [Date "2007"] [Round ""] [White "I.Akobia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4n3/4p3/2P5/8/3P4/k2n1N2/7K/4B3 w - - 0 1"] [PlyCount "31"] [EventDate "2007"] 1. Bg3 {treating c7 and same time preventing Nd6} (1. Bh4 { two pawns are not enough to win in such a positions} 1... Nb4 2. Bxe7 (2. Ne5 Ka4 3. Bxe7 Kb5 4. Bxb4 Kxb4) 2... Ka4 3. Ne5 Kb5 4. Bxb4 Kxb4 5. Kg3 Kc3 6. Nf3 (6. d5 Kd4 7. c7 Nxc7 8. d6 Ne6) 6... Kc4 7. Kf4 Kd5) (1. Ba5 Nb4 2. c7 (2. Ne5 Nd5 3. Kg3 Ka4 4. Bd8 Nec7 5. Kf3 Ne6 6. Ke4 Nf6+ 7. Kf5 Nxd4+ 8. Kg6 Ne8 9. Kf7 Kb5) 2... Nd6 $1) 1... e5 $5 {the only way to prevent c7} ({ but with an extra piece white consolidates} 1... Kb4 2. c7 Nxc7 3. Bxc7 Kc4 4. Bd8 (4. Kg3) 4... e6 (4... e5 5. dxe5 Kd5 6. Bf6) 5. Kg3 Kd5 6. Bf6 Ke4 7. Bg7 Nb4 (7... Ke3 8. Ng5) 8. Nd2+ Kd3 9. Nb3 Kc3 10. Nc5 Kc4 11. Nxe6 Nc6 12. Kf3 Kd5 13. Nf4+ Kc4 14. Ne2) (1... Nb4 2. c7 Nxc7 3. Bxc7 Kb3 4. Kg3 Kc4 5. Be5 Nd3 6. Kg4 e6 7. Bh8 Kd5 8. Bg7 Ke4 9. Ng5+ Kd5 10. Kf3) 2. Nxe5 $1 (2. Bxe5 Nxe5 3. Nxe5 (3. dxe5 Kb4 4. Kg3 Kc5) 3... Kb4 4. Kg3 Kc3 5. Nf3 (5. d5 Kd4) 5... Kc4 6. Kf4 Kd5) (2. dxe5 Nc5 $1 3. Nd4 (3. Bf2 Kb4 $1 (3... Ne6 4. Nd4) 4. Nd4 Kc4 5. Nf5 Nc7 6. Ne7 Nd3 7. Bb6 Na8 8. Ba5 Nxe5 9. c7 Nxc7 10. Bxc7 Nd7) 3... Kb4 4. e6 (4. Kg2 Kc4 5. Bf2 Kd5) 4... Na6 5. e7 Kc5 6. Bf2 Nac7 7. Kg3 Nd5 {a two pawns effect again}) (2. d5 Kb4) 2... Nb4 $1 { white will win a minor piece, but black prepares an interestin defence} (2... Nxe5 3. Bxe5 Kb4 4. c7 Nxc7 5. Bxc7 Kc4 6. Be5) (2... Nb2 3. d5 Ka4 (3... Kb4 4. Nd3+ Nxd3 5. d6) 4. Nf7 Kb5 5. c7 Nxc7 6. Bxc7 Nc4 (6... Nd3) (6... Kc5 7. d6 Kc6 8. Ne5+) 7. Kg3) 3. Nc4+ (3. Nd7 Nxc6) (3. Bh4 Kb3 4. Bd8 Kc3 5. Bb6 Nd5 6. Bc5 Nec7 7. Kg3 Ne6) 3... Kb3 (3... Ka4 4. c7 Nxc7 5. Bxc7 Kb3 6. Ne3) 4. Na5+ Ka4 5. c7 Nxc7 6. Bxc7 Kb5 $1 {Very intereting position} 7. Kh1 $3 { mutual zugzwang} (7. Bd8 $2 {d6 is not guarded} 7... Nc2 8. d5 Kc5) (7. Kh3 $2 Nd5 8. Bd8 Nf4+ 9. Kg4 Ne6 10. Bf6 Nxd4) (7. Kg3 $2 Nc2 8. d5 Ne3 9. d6 Nf5+ 10. Kf4 Nxd6 11. Bxd6 Kxa5) (7. Kg2 $2 Nd5 8. Bd8 Nf4+ 9. Kf3 Ne6) (7. Kg1 $2 Nd5 8. Bd8 Nf4) 7... Nd5 8. Bd8 {and white consolidates his advantage} 8... Ne3 (8... Nf4 9. Nb7 Kc6 10. Nc5 Kd5 11. Bf6 Ne2 12. Nb3 Kc4 13. Nd2+ (13. Be5) 13... Kd5 14. Nf3 Ke4 15. Kg2) 9. Nb7 Kc4 10. Bf6 { with Kh2 black could play Ng4+, so 7.Kh1 is mutual zugzwang} 10... Nc2 11. Na5+ $1 {a small switchback} (11. Nd6+ Kd5 12. Nb5 Kc4 13. Nd6+ Kd5 14. Nf5 Ke6) 11... Kd5 12. Nb3 Kc4 13. Nd2+ Kd3 14. Nf3 Ke4 15. Kg2 Ne3+ 16. Kg3 1-0

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Daily task - Stalemate