www.arves.org - Ceskoslovensky Shach 2019

Studies awarded for the Československý šach magazine tournament 2019.

Section WIN

[Event"3.p. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.09"] [Round ""] [White "Vladislav Tarasiuk and E. Kopylov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "N2qk3/1R6/4K3/r3PR2/1n6/8/8/n3B3 w - - 0 1"] [PlyCount "21"] [EventDate "2019"] 
 {[#]} 1. Nc7+ Qxc7 2. Rf8+ $1 (2. Rxc7 $2 Ra6+ 3. Rc6 Rxc6#) 2... Kxf8 3. Bxb4+ Qc5 $1 (3... Kg8 4. Rxc7 Ra4 5. Rc4 $18) 4. Kf6 $3 {Try} (4. Bxc5+ $2 Rxc5 5. Kf6 Rc8 $1 6. e6 Nc2 7. Rh7 Kg8 8. Rg7+ Kh8 9. e7 Ne3 10. Rg3 Nc4 $1 $11) 4... Ra6+ (4... Qxb4 5. Rxb4 Ra8 6. e6 $1 Nc2 7. Rg4 $1 Re8 8. Rh4 $1 Kg8 9. Re4 Rf8+ 10. Kg6 Ra8 11. e7 Re8 12. Kf6 $18) 5. e6 Rxe6+ $1 6. Kxe6 Nb3 (6... Qxb4 7. Rxb4 $18) 7. Rb6 $1 (7. Bxc5+ $2 Nxc5+ $11) (7. Kf6 $2 Ke8 $1 $11) 7... Nd4+ 8. Kd7 $3 (8. Kf6 $2 Qxb4 9. Rxb4 Nc6 10. Rb6 Nd8 11. Rd6 Ke8 $11) 8... Nb3 $1 (8... Qxb4 9. Rxb4 Nf5 10. Rf4 $18) 9. Rb5 $1 (9. Bxc5+ $2 Nxc5+ 10. Kd6 Ne4+ 11. Ke5 Ng5 12. Kf6 Ne4+ $1 13. Ke5 Ng5 $11) 9... Qxb4 10. Rxb4 Nc5+ 11. Kd6 $1 $18 {Domination, Fivefold dental of white (a Rook and Bishop) from talkong the black Queen is the key to success in the final domination iver the black Knight.} 1-0

[Event"sp.p. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.12"] [Round ""] [White "Janos Mikitovics"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/R7/6N1/2r5/3kp3/1K6/4P3/8 w - - 0 1"] [PlyCount "43"] [EventDate "2019"] 
 1. Rh7 $3 (1. Ra2 $2 Rb5+ $1 2. Ka4 Rb6 3. Nf4 Ra6+ 4. Kb3 Rxa2 5. Kxa2 Ke3 $11 ) 1... Rc3+ $1 (1... Ke3 2. Rh2 Rf5 3. Kc2 Ra5 4. Ne7 Re5 5. Ng8 $18 { main 18. Ng8}) 2. Kb2 $1 (2. Kb4 $2 Rc4+ 3. Kb3 Rc3+ 4. Kb2 {l.o.t.}) (2. Ka4 $2 Rg3 $3 (2... Ke3 $2 3. Rh3+ $18) 3. Ne7 Rg2 4. Nf5+ Ke5 5. Rh5 Kf4 (5... Rf2 $2 6. Nh6+ $1 Kd4 7. e3+ $3 Kxe3 8. Ng4+ $18 {fork}) 6. e3+ Kg4 $11) 2... Rg3 3. Nh4 $1 (3. Nf4 $2 Ke3 $11 (3... Rg4 $2 4. Rh3 $3 Rxf4 5. e3+ $18)) 3... Rg5 4. Rg7 $3 {Sacrifice [%emt 0:00:01]} Rb5+ $1 (4... Rxg7 5. Nf5+ $18 {fork}) 5. Kc2 $1 (5. Kc1 $2 Ke3 6. Rg2 Rc5+ 7. Kd1 Ra5 8. Rg3+ Kf2 $11) 5... Ke3 6. Rg2 Rh5 7. Rh2 Ra5 8. Kb3 $3 (8. Kb2 $2 Rc5 9. Kb3 Kf4 10. Rg2 Ke3 11. Kb4 Rh5 12. Rh2 $18 {l.o.t.}) 8... Kf4 9. Rg2 $1 (9. Kb4 $2 Rg5 $1 (9... Ra8 $2 10. Rg2 $1 Ke3 11. Nf5+ $18)) 9... Ke3 10. Kb4 $3 (10. Kc4 $2 Rh5 11. Rh2 Rg5 12. Kc3 Rc5+ 13. Kb4 Rg5 14. Kc4 {l.o.t.}) 10... Rh5 11. Rh2 $1 (11. Ng6 $2 Rf5 $1 12. Kc4 Rf2 13. Rxf2 Kxf2 14. Nf4 Ke3 $11) 11... Rg5 12. Kc4 $1 (12. Kc3 $2 Rc5+ 13. Kb4 Rg5 14. Kc4 {l. o.t.}) 12... Ra5 13. Ng6 $3 {switchback} (13. Rg2 $2 Rh5 14. Rh2 Ra5 15. Ng6 {l.o.t.}) (13. Kb4 $2 Rg5 14. Kc4 {l.o.t.}) 13... Rf5 14. Kc3 $3 (14. Ne7 $2 Rf2 15. Nd5+ Kxe2 $11) 14... Rc5+ 15. Kb3 $3 (15. Kb4 $2 Rf5 $1 16. Kc3 {l.o.t.}) 15... Rb5+ ({Main B} 15... Rc3+ 16. Kb4 $3 (16. Kxc3 { model stalemate}) ({Thematic try} 16. Kb2 $2 Rc7 $3 (16... Rc5 $2 17. Kb3 $1 $18 {main}) 17. Kb3 Rb7+ $1 18. Kc3 Rc7+ 19. Kb4 Rb7+ (19... Rc2 $2 20. Nf4 $3 $18 {Main B}) 20. Kc4 Rc7+ 21. Kd5 Rc2 22. Nf4 $1 Kxf4 23. e3+ Kxe3 24. Rxc2 Kd3 25. Ra2 e3 26. Ra3+ Kd2 27. Ke4 e2 28. Ra2+ Kd1 29. Kd3 e1=N+ $1 30. Kc3 Nf3 $11) 16... Rc2 17. Nf4 $3 {[%emt 0:00:02] Sacrifice} Kxf4 (17... Rd2 18. Kc3 Rd1 (18... Ra2 19. Nd5# {model mate}) 19. Nh5 $1 $18 {eg.} Re1 20. Ng3 Rg1 21. Nf5+ Kf4 22. Rf2+ Kg4 23. Rf1 Rxf1 24. Ne3+ Kg3 25. Nxf1+ Kf2 26. e3 Kxf1 27. Kd4 $18) 18. e3+ Kxe3 19. Rxc2 Kd3 20. Rc3+ Kd2 21. Kc4 e3 22. Rd3+ $18) 16. Kc2 $1 (16. Kc4 $2 Rf5 17. Kc3 $18 {l.o.t.}) (16. Kc3 $2 Rc5+ 17. Kb3 $18 { l.o.t.}) 16... Rf5 $1 (16... Rg5 17. Ne7 $3 (17. Nh4 $2 Ra5 18. Kb3 { l.o.t. Main 8.Kb3}) 17... Re5 18. Ng8 {Main}) 17. Ne7 $3 (17. Kc3 $2 {l.o.t.}) 17... Re5 18. Ng8 $3 (18. Nc6 $2 Rc5+ $11) (18. Ng6 $2 Rf5 19. Ne7 {l.o.t.}) 18... Ra5 19. Nh6 $3 (19. Kb3 $2 Rb5+ $1 20. Kc2 Ra5 21. Nh6 $18 {l.o.t.}) 19... Ra2+ 20. Kc3 $1 (20. Kd1 $2 Ra1+ 21. Kc2 Ra2+ 22. Kc3 $18 {l.o.t.}) 20... Rxe2 21. Nf5+ $1 (21. Ng4+ $2 Kf3 22. Ne5+ Ke3 23. Nc4+ Kf3 24. Ne5+ Ke3 { positional draw}) 21... Kf3 22. Nd4+ $18 {fork} (22. Nh4+ $2 Ke3 23. Ng2+ Kf3 24. Nh4+ Ke3 25. Nf5+ $18 {l.o.t. Main theme: Sacrificing of two white officers. One on the main line A (4.Rg7!!) and the other on the main line B (17.Nf4!!).}) 1-0

[Event"sp.hm Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.08"] [Round ""] [White "Yochanan Afek &  Jaroslav, Polasek"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7R/7p/5P1K/7p/7k/8/8/1r6 w - - 0 1"] [PlyCount "83"] [EventDate "2019"] 
 1. f7 Rb6+ 2. Kg7 $1 (2. Kxh7 $2 Rb7 (2... Rf6) 3. Kg6 Rxf7 4. Kxf7 Kg4 $11) 2... Rb7 (2... Rg6+ 3. Kf8 (3. Kxh7 $2 Rf6 $11) 3... Ra6 4. Rg8 $1 Ra8+ 5. Ke7 (5. Kg7 Ra7 6. Kf6) 5... Ra7+) 3. Rg8 $1 Ra7 $1 4. Kf6 Ra6+ 5. Ke5 Ra5+ 6. Ke4 Ra4+ 7. Kf3 Ra3+ 8. Kg2 Ra2+ 9. Kh1 Ra1+ 10. Kh2 Ra2+ 11. Rg2 Ra8 12. Rg7 Ra2+ 13. Kg1 Ra8 14. Kf2 Ra2+ 15. Ke3 Ra3+ 16. Kd4 Ra4+ 17. Kc5 Ra5+ 18. Kc4 (18. Kb6 $2 Rf5 19. Kc6 h6 $1 20. Kd6 Rxf7 $1 21. Rxf7 Kg3 $1 $11) 18... Ra8 $1 ( 18... Ra4+ 19. Kb5 Rf4 20. Kc5 h6 (20... Kh3 21. Kd6) 21. Kd5 Rxf7 22. Rxf7 Kg3 23. Ke4 $18) (18... Rf5 19. Kd4 Kh3 20. Ke4 Rf1 21. Ke5 Kh2 22. Kd6 h4 23. Ke7 Re1+ 24. Kf8 $18) 19. Kb5 (19. Kb4 Rb8+ 20. Kc5 Ra8 21. Kc4 $1 $18) (19. Kc3 Rc8+ 20. Kd4 Ra8 21. Kc4 $1 $18) 19... Rb8+ 20. Kc5 Ra8 21. Kc4 $1 h6 (21... Rf8 22. Kd5 Ra8 23. Rg1 Rf8 24. Ke6) (21... Ra4+ 22. Kb5 $1 Rf4 23. Kc5 $18) 22. Kd5 Ra5+ 23. Ke6 Ra6+ 24. Kf5 Ra5+ 25. Kg6 Ra8 26. Kh7 $1 (26. Rg8 $2 Ra6+ 27. Kh7 Rf6 $11) (26. Kxh6 $2 Rf8 $1 $11) 26... Rf8 (26... Rb8 27. Rg8 $18) ( 26... Kh3 27. Rg8 Ra7 28. Kg6 Ra6+ 29. Kxh5 $18) 27. Kxh6 $1 Rh8+ 28. Kg6 (28. Rh7 $2 Rf8 29. Kg7 (29. Kg6 Kg4 30. Rxh5 Rxf7 $11) 29... Rxf7+ 30. Kxf7 Kg4 $11 ) 28... Ra8 29. Rg8 $18 {wins} Ra6+ {<eg>} 30. Kf5 Ra5+ 31. Ke4 Ra4+ 32. Kd3 Ra3+ 33. Kc2 Ra2+ 34. Kb3 Rf2 35. f8=Q Rxf8 36. Rxf8 {and win by e.g. .} Kg3 37. Kc2 (37. Rg8+ Kf3 38. Rh8 Kg4 39. Kc3 h4 40. Kd3 h3 41. Ke2 Kg3 42. Kf1 $18 ) 37... h4 38. Kd2 h3 39. Ke2 h2 40. Rg8+ Kh3 (40... Kf4 41. Rh8 Kg3 42. Kf1 $18) 41. Kf2 h1=Q 42. Rh8+ 1-0

[Event"sp.c. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.12"] [Round ""] [White "Hlinka=Kekely=Vlasak=Polasek"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6R1/8/1P6/5K2/2p3B1/8/3k4/5b1r w - - 0 1"] [PlyCount "51"] [EventDate "2019"] 
 1. b7 Bd3+ 2. Kf4 Rb1 $1 (2... Rf1+ 3. Bf3 Rb1 4. Rg2+ Kc3 5. Ke3 Re1+ 6. Re2 $1) 3. Bf3 ({Po} 3. b8=Q $2 Rxb8 4. Rxb8 c3) 3... Rb6 4. Rg2+ Kc3 5. Ra2 (5. Ke5 $6 Rb5+ (5... Rb4 6. Bd5 (6. Bc6 Bb1) 6... Rb5) 6. Bd5 $2 Bh7 $1 7. Rg3+ Bd3 8. Rg8 Kd2 9. Kd4 c3 10. Rg2+ Be2 11. Bc4 {diagram} (11. Rxe2+ Kxe2 12. Bc4+ Kf3 $1 13. Bxb5 c2 $11) 11... c2 $1 (11... Rxb7 $2 12. Rxe2+ Kd1 13. Kxc3 $18) 12. Bxb5 (12. Bxe2 Rxb7 $11) (12. Rxe2+ Kd1 13. Rxc2 Rxb7 $11) 12... c1=Q 13. Rxe2+ Kd1 14. b8=Q Qf4+ 15. Qxf4 {pat}) 5... Kd4 (5... Rf6+ 6. Ke3 Re6+ 7. Kf2 Rb6 8. Ra6 Rb1 (8... Rb5 9. Ke3 (9. Bc6 Rb2+ 10. Ke3 Re2+ 11. Kf4 Rf2+ 12. Bf3 Rb2 13. Ke3) 9... Re5+ 10. Kf4 Rb5 11. Bc6 Rb1 12. Ra5 Kd2 (12... Rf1+ 13. Ke5 Rf5+ 14. Ke6) 13. Rb5 Rxb5 14. Bxb5 c3 15. Bxd3 Kxd3 16. b8=Q c2 17. Qb2 Kd2 18. Ke4 Kd1 19. Kd3 c1=Q 20. Qe2#) 9. Ra8 Kd2 (9... Rf1+ 10. Ke3 Re1+ 11. Kf4) 10. Ra2+ Kc3 11. Ke3) 6. Ra6 Rb1 7. Rd6+ (7. Ra1 Rb6) 7... Kc3 8. Rd8 $1 Kd2 9. Rh8 $1 ({Po} 9. Rg8 $2) 9... Rb6 10. Rh6 $1 (10. Rh2+ Kc3 11. Rh6 Rb1) 10... Rb1 11. Rh2+ Kc3 12. Ke3 Re1+ 13. Re2 $1 Rb1 (13... Bxe2 14. b8=Q $18) 14. Ra2 Re1+ 15. Be2 $1 Rb1 16. Ra3+ Kc2 17. Bf3 Re1+ 18. Kd4 Rb1 19. Ra8 Kd2 20. b8=Q Rxb8 21. Rxb8 c3 22. Rb3 ({or} 22. Rh8 c2 23. Rh2+ Ke1 24. Kxd3 c1=Q 25. Rh1+) 22... c2 23. Rxd3+ Ke1 24. Re3+ $1 Kd2 25. Re2+ Kd1 26. Rh2+ 1-0

Section Draw

[Event"1.p. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.01"] [Round ""] [White "Michal Hlinka & Lubos Kekely"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5b2/5r2/7R/3N1r2/3BR3/p3p1Q1/2p5/K2k1q2 w - - 0 1"] [PlyCount "24"] [EventDate "2018"] 
 1. Bxe3 {now the longest diagonal is free} (1. Nxe3+ $2 Kd2+ 2. Nxf1+ Rxf1+ 3. Ka2 c1=N+ 4. Ka1 Ne2+ 5. Ka2 Nxg3 $19) 1... Bg7+ (1... Rxd5 2. Qg4+ Rf3 3. Rh2 Bc5 {lead the stalemate or a positional draw, let's see} 4. Ka2 Bxe3 5. Rxe3 c1=N+ 6. Ka1 Rd3 7. Rxd3+ Qxd3 8. Qa4+ Nb3+ 9. Qxb3+ $1 Qxb3 10. Rd2+ Ke1 11. Re2+ Kxe2 $11 {stalemate}) 2. Ka2 c1=N+ $1 {opening of the second rank} (2... c1=Q 3. Qg4+ {/Bxc1=}) 3. Bxc1 Rf2+ (3... Qf2+ 4. Qxf2 Rxf2+ 5. Kxa3 Kxc1 6. Rh1+ $11) 4. Kxa3 Bf8+ {switchback} (4... R7f3+ 5. Ne3+ {from battery} Kxc1 6. Rc6+ $1 Kb1 7. Qxg7 $1 Qd3+ 8. Qc3 Ra2+ 9. Kb3 Rb2+ (9... Rxe3 10. Qxd3+ $1 Rxd3+ 11. Rc3 $11) 10. Ka3 Ra2+ 11. Kb3 $11) (4... Ra7+ 5. Kb4 $1 Bf8+ 6. Rd6 $1 Bxd6+ 7. Qxd6 Rb7+ 8. Nb6+ $11) (4... Kxc1 5. Qe3+ $1 $11) 5. Rd6 $1 (5. Rb4 $2 R7f3+ 6. Ne3+ Rxe3+ 7. Qxe3 Rf3 8. Ka4 Rxe3 9. Bxe3 Bxb4 10. Kxb4 Qe1+ $19) 5... R7f3+ (5... Bxd6+ 6. Qxd6 Qd3+ 7. Nc3+ Kc2 8. Qxd3+ Kxd3 9. Bb2 $11) (5... Qa6+ 6. Kb3 Qa2+ 7. Kb4 Bxd6+ 8. Qxd6 Qb1+ 9. Kc5 Qxc1+ 10. Kb6 $11) 6. Qxf3+ Rxf3+ 7. Ne3+ {from battery} Kxc1 (7... Ke2 8. Kb2 $1 Bxd6 9. Nxf1+ $11) 8. Rc4+ $1 Kb1 (8... Qxc4 $11 {ideal double pin stalemate}) 9. Rb4+ Kc1 10. Rc4+ Kb1 11. Rb4+ {positional draw or...} Ka1 12. Rd1+ $1 Qxd1 $11 {ideal double pin stalemate. Positional draws. Minor promotion. Switchback. Battery. Synthesis of ideal double pin stalemates. All pieces came to both ideal stalemates in play.} 1/2-1/2

[Event"sp.p. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.06"] [Round ""] [White "Marco Campioli"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3PPP1k/3KP2b/p7/3P4/3p1N2/2p1pp1r/8 b - - 0 1"] [PlyCount "60"] [EventDate "2019"] 
 1... Bf4+ (1... e1=Q 2. d8=Q Qb4+ 3. Kd5 Rh5+ 4. Ne5 Qb5+ 5. Kd6 $11) 2. Ne5 Bxe5+ (2... c1=Q 3. d8=Q $1 $11) (2... e1=Q 3. d8=Q $1 Qb4+ 4. Kd5 Qb3+ (4... Qb7+ 5. Kd6) 5. Kd6 $11) 3. dxe5 d2 4. e8=Q $1 d1=Q+ 5. Ke7 f1=Q 6. Qg8+ Kh6 7. f8=Q+ (7. Qh8+ $2 Kg5 8. Qg7+ Kh5 9. Qh7+ Kg4 10. Qg6+ Kh3 $19) 7... Qxf8+ 8. Qxf8+ Kg5 9. Qf6+ (9. Qg7+ Kf5 10. Qf6+ Kg4) 9... Kg4 10. Qg6+ Kf3 11. Qf5+ Kg3 12. Qg5+ (12. Qg6+ $2 Kf2 $19 13. Qf5+ Kg1 14. Qg4+ Rg2 $19) 12... Kf3 13. Qf5+ Ke3 14. Qg5+ Kf2 15. Qf4+ Kg2 16. Qe4+ (16. Qg4+) 16... Kf1 17. Qf3+ (17. Qf4+ $2 Rf2) 17... Ke1 18. Qg3+ Kf1 19. Qf3+ Kg1 20. Qg3+ (20. Qe3+) 20... Kh1 21. Qf3+ Rg2 22. Qh3+ Kg1 23. Qe3+ Kh2 24. Qh6+ (24. Qf4+ $2 Kh1 25. Qh4+ Kg1 $19) 24... Kg3 25. Qe3+ Kh2 26. Qh6+ Kg1 27. Qe3+ Kf1 28. Qf3+ Ke1 29. Qxg2 c1=Q 30. Qg3+ Kd2 31. d8=Q+ $11 1/2-1/2

[Event"sp.p. Cescoslovensky Sach "] [Site "Chess.com"] [Date "2019.11"] [Round ""] [White "Petr Kiryakov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/7k/4r3/7K/5pP1/5pPp/5R2/4B3 w - - 0 1"] [PlyCount "27"] [EventDate "2019"] [TimeControl "600"] 
 1. Rh2 $1 Re2 2. Bf2 $1 (2. Rh1 Rxe1 $1 3. Rxe1 fxg3 $1 (3... f2 4. Re7+ Kg8 5. Kg6 Kf8 6. Rf7+ Ke8 7. Rxf4 {= fortress}) 4. Re7+ Kg8 5. Kg6 Kf8 6. Rf7+ Ke8 { -+}) 2... Rxf2 $1 (2... fxg3 3. Rxh3 $1 {=}) 3. Rxh3 (3. Rxf2 fxg3 {-+}) 3... Rh2 $1 4. Rxh2 fxg3 5. Rh3 $1 (5. Ra2 f2 6. Ra7+ Kg8 7. Ra8+ Kf7 8. Ra7+ Ke6 ( 8... Kf6 $2 9. g5+ $1 Ke6 10. Ra6+ Ke5 11. Rf6 g2 12. Rxf2 {= fortress}) 9. Ra6+ Ke5 (9... Kd5 $2 10. Rf6 {=}) 10. Ra5+ Ke4 (10... Kf4) 11. Rf5 Ke3 $1 { -+ promoting the pawns}) 5... g2 (5... f2 6. Kh4 $1 f1=Q 7. Kxg3+ {Battery play } Kg6 8. Rh5 $1 {= fortress}) 6. Kg5+ $1 {Battery play [%eval 32764,0]} (6. Rxf3 g1=Q 7. Rf7+ Kg8 $1 {-+} (7... Kh8 $2 8. g5 {=})) 6... Kg7 7. Rh6 $3 { Forcing the Black king to move to e-file} (7. Rxf3 $2 g1=Q {-+}) 7... g1=Q 8. Rg6+ Kf7 (8... Kh7 9. Rh6+) 9. Rf6+ Ke7 10. Rxf3 {= reaching the well known fortress. Black king is cut off along the f-file. White holds this position in all variants, for example} Qc1+ $5 11. Kh4 $1 Qh1+ 12. Kg3 Qe1+ 13. Kh3 $1 ({ not} 13. Kg2 $2 Qh4 $1 {-+}) ({or} 13. Rf2 $2 Qg1+ $1 { -+ ruining the white's defence}) 13... Ke8 14. Rf5 $1 {=} 1/2-1/2

[Event"sp.p. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.04"] [Round ""] [White "Pavel  Arestov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6R1/5q2/8/pk6/8/P7/4K3/1B6 w - - 0 1"] [PlyCount "29"] [EventDate "2019"] 
 1. Bd3+ $1 (1. Rg5+ $2 Kb6 $1 2. Rg6+ Ka7 3. Bc2 a4 $1 4. Rg4 Qh5 $1 $19) (1. Rb8+ $2 Kc5 $1 2. Rc8+ Kd4 3. Rd8+ Kc3 4. Rd3+ Kb2 $19) 1... Ka4 $1 (1... Kc5 2. Rc8+ Kd4 3. Rc4+ $11) (1... Kb6 2. Rg6+ Kc7 3. Bc2 $11) 2. Rg3 $1 (2. Rg4+ $2 Kxa3 $19) 2... Qa2+ (2... Qe6+ 3. Re3 $1 Qa2+ 4. Kd1) 3. Kd1 $1 (3. Ke1 $2 Qh2 $1 4. Rf3 Kxa3 $19) 3... Qa1+ 4. Kd2 $1 (4. Kc2 $2 Kxa3 $19) 4... Kxa3 5. Bb1+ $1 (5. Bc2+ $2 Ka2 $1 6. Rb3 Qd4+ $19) 5... Kb4 6. Rg4+ Kb3 $1 (6... Kc5 7. Bc2 $1 $11) 7. Rg3+ $1 Kb2 8. Rg6 $3 (8. Rg7 $2 Qa4 $1 9. Rb7+ Ka1 10. Kc3 Qc6+ $19) 8... Qa4 $1 (8... Qxb1 9. Rb6+ Ka2 10. Rxb1 Kxb1 11. Kc3 $11) (8... Kxb1 9. Rg1+) (8... a4 9. Rb6+ Ka3 10. Bd3 Qd4 11. Rb5 $11) 9. Rb6+ Ka1 (9... Ka3 10. Kc3 $1 Qd7 11. Rb3+ Ka4 12. Bc2 $1 $11) 10. Kc3 Qf4 (10... Qa3+ 11. Kd4 $1 Qf3 12. Rb5 $1 $11) 11. Rb3 $1 (11. Bd3 $2 Qc7+ $19) 11... a4 12. Rb4 $1 Qc1+ 13. Kd4 $1 (13. Kd3 $2 Qxb1+ 14. Rxb1+ Kxb1 $19) 13... Qxb1 $1 (13... a3 14. Bd3) 14. Rxa4+ $1 (14. Rxb1+ $2 Kxb1 $19) 14... Kb2 15. Rb4+ $11 1/2-1/2

[Event"sp.hm. Ceskoslovensky shach 2019 "] [Site ""] [Date "2019.09"] [Round ""] [White "Jaroslav  Polasek"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "4Q3/P3P1Pq/8/6n1/4P2p/8/4k3/6K1 b - - 0 1"] [PlyCount "44"] [EventDate "2018"] 
 1... Nf3+ 2. Kh1 $1 (2. Kg2 Qxg7+) 2... Qxe4 (2... Qxg7 3. Qb5+ Kf2 4. Qb6+) 3. Qb5+ Kf2 4. Qf1+ (4. e8=Q Ne5+ 5. Kh2 Qg2#) 4... Kxf1 5. a8=Q $1 (5. e8=Q $2 Ne5+) 5... Qxa8 6. e8=Q Qb7 (6... Qa1 7. Qe3) (6... Qxe8 7. g8=Q Qe4 { and then as in the main variant} 8. Qc4+) 7. Qa8 $1 (7. g8=Q $2 Ng5+ 8. Kh2 Qg2#) (7. Qb5+ $2 Qxb5 8. g8=Q Kf2 9. Qg3+ Ke3 10. Qf2+ Kf4) 7... Qxa8 8. g8=Q Qe4 (8... Qxg8 {stalemate}) (8... Qc6 9. Qc4+) (8... Qb7 9. Qd5 { nejrychlejÅ!Ã^^}) 9. Qc4+ $1 (9. Qa8 $2 Nd2+) 9... Qe2 (9... Qxc4 {pat}) 10. Qc1+ (10. Qd3 $2 Ke1) 10... Kf2 (10... Qe1 11. Qe3 (11. Qc2 Qd2 12. Qd3+ $1 Qe2 13. Qd2 $1 {and then as in the main variant}) 11... Qd1 12. Qd3+ $1 { and then as in the main variant}) 11. Qe3+ $1 Ke1 (11... Kxe3 {pat}) 12. Qc1+ Qd1 13. Qe3+ Kf1 14. Qd3+ $1 Qe2 (14... Ke1 15. Qe3+ Qe2 16. Qc1+) 15. Qd2 $3 ( 15. Qb1+ $2 Kf2 16. Qb6+ Qe3 17. Qa7 (17. Qb2+ Nd2) 17... Ng5) 15... Nd4 $1 ( 15... Nxd2) (15... Qxd2) 16. Qf4+ Qf2 (16... Qf3+ 17. Qxf3+ Nxf3) 17. Qc1+ Qe1 (17... Ke2 18. Qd2+ {or otherwise}) 18. Qf4+ Ke2+ 19. Kg2 $1 Nc2 $1 20. Qf3+ $1 Kd2 21. Kh3 $1 Kc1 22. Qf4+ (22. Qd3) (22. Kg4) (22. Qg2) 22... Ne3 23. Qc7+ { 1/2 (12) Havel = M ?? JP - (= 4000. 02h1f1) 1.p Sachova Art 1947 1/2 (18) Polasek - inspired by Havel 1/2 (22)Polasek-inspirationHavel} 1/2-1/2