www.arves.org - UAPA 5th 2017

Studies awarded for the 5th Union Argentina de Problemistas de Ajedrez (UAPA) 2017.

"MINORS PIECES VS QUEEN"

[Event "1.p  5th. U.A.P.A. Sec. A"] [Site ""] [Date "2017"] [Round ""] [White "Alexander Zhukov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2K5/4P3/2B1p1b1/2k5/5p2/5P2/1N1N4/4B2q w - - 0 1"] [PlyCount "17"] [EventDate "2017"] 
 {Tourney Thematic: Minors pieces vs.Queen} 1. Nd3+ $1 (1. e8=Q $2 Bxe8 2. Bxe8 Qh8 3. Nd3+ $1 $19) (1. Kc7 $2 Qxe1 2. Nb3+ Kb4 3. e8=Q Qe5+ $1 4. Kc8 Bxe8 5. Nd3+ Kxb3 6. Nxe5 Bxc6 7. Nxc6 Kc4 $1 8. Kc7 Kd5 $1 $11) 1... Kd6 (1... Kxc6 2. Ne5+ Kc5 3. Nxg6 $18) (1... Kd4 2. Nxf4 Bf7 (2... Qh8+ 3. Kb7 $1 Bf7 4. Ne4 $18 ) 3. Bf2+ Kc3 4. Ne4+) 2. e8=Q Bxe8 3. Bxe8 Qh8 (3... Kd5 4. Nxf4+ $18) 4. Ne4+ Ke7 5. Bb4+ $1 (5. Kc7 Kxe8 $1 $11) 5... Kxe8 6. Ne5 $1 {with two lines A)} Qxe5 ({B)} 6... Qh6 7. Bc5 $1 (7. Nd6+ $2 Kf8 8. Nf5+ Ke8 9. Nxh6 {stalemate}) (7. Ba3 $2 Qg5 $1 8. Nf7 Qg1 $1 9. Nh6 (9. Ne5 Qg5 10. Nxg5 {stalemate}) 9... Qa1 $1 $11) 7... Qg5 $1 (7... Qg7 8. Nd6+ Kf8 9. Nf5+ $18) (7... Qh8 8. Ng6 $1 $18) 8. Nf7 $3 (8. Nd6+ Kf8 9. Ne4+ (9. Ndf7+ Ke8 10. Nxg5 {stalemate}) 9... Ke8) (8. Nc6 Qg2 $1 $11) 8... Qg6 9. Nh8 $1 (9. Nfd6+ $2 Kf8 $11) 9... Qg7 10. Nd6+ Kf8 11. Nf5+ Kg8 12. Nxg7 $18) 7. Bc3 $1 Qd5 8. Nf6+ Ke7 9. Nxd5+ $18 1-0

[Event "3 p: 5th. U.A.P.A. Sec. A"] [Site ""] [Date "2017.05.18"] [Round ""] [White "Michal Hlinka & Luboš Kekely"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/p1p2q2/PpkpB3/2P5/1P5N/3K1N2/8/8 b - - 0 1"] [PlyCount "18"] [EventDate "2017"] 
 {Tourney Thematic: Minors pieces vs.Queen} 1... Qh7+ $1 (1... Qxe6 2. Nd4+ Kd5 3. Nxe6 $18) 2. Bf5 Qh5 (2... Qxf5+ 3. Nxf5 bxc5 4. Ne7+ Kb5 5. bxc5 dxc5 6. Kc3 Kxa6 7. Ne5 Kb5 8. Nc4 a5 9. Nf5 a4 10. Na3+ $18 {Troiski}) 3. Nd4+ Kd5 4. Nhf3 dxc5 5. Be4+ Kd6 6. Nf5+ Kd7 $1 7. Ng7 $1 {domination} (7. Ne5+ $2 Kd8 8. Nc6+ Kd7 $11) 7... c4+ (7... Qh8 8. Ne5+ {as main}) (7... Qh6 8. Ne5+ $18 { as main}) (7... Qg4 8. Ne5+ {as main}) (7... Qh3 8. Bf5+ $18 {as main}) (7... Qh1 8. Ne5+ $18 {as main}) 8. Kc3 $1 (8. Kc2 $2 Qb5 9. Bc6+ Qxc6 10. Ne5+ Kd6 11. Nxc6 Kxc6 12. Kc3 Kb5 13. Ne6 c5 14. Nc7+ Kc6 15. Ne8 Kb5 $11) (8. Ke2 $2 Qb5 9. Bc6+ Qxc6 10. Ne5+ Kd6 11. Nxc6 Kxc6 12. Ne6 Kb5 13. Nxc7+ Kxb4 $11) 8... Qg4 (8... Qh3 9. Bf5+ Qxf5 10. Nxf5 $18) (8... Qh1 9. Ne5+ Kd6 10. Bxh1 $18) (8... Qh6 9. Ne5+ Ke7 10. Nf5+ Ke6 11. Nxh6 $18) (8... Qh8 9. Ne5+ Kc8 10. Bb7+ Kd8 (10... Kb8 11. Nd7#) 11. Nf7+ Ke7 12. Nxh8 $18) (8... Qb5 9. Bc6+ Kxc6 (9... Qxc6 10. Ne5+ Kd6 11. Nxc6 $18) 10. Nd4+ Kd5 11. Nxb5 $18) 9. Ne5+ Ke7 10. Nxg4 $18 1-0

[Event "Sp.P.  5th. U.A.P.A. Sec. A"] [Site ""] [Date "2017.08.27"] [Round ""] [White "Mario Garcia &"] [Black "Vladislav. Tarasiuk"] [Result "1-0"] [SetUp "1"] [FEN "5nB1/1ppp3n/7K/2P1Nkp1/1N1P4/6Pp/3P3P/4q3 w - - 0 1"] [PlyCount "27"] [EventDate "2017"] 
 {Tourney Thematic: Minors pieces vs.Queen} 1. g4+ $1 Ke4 $1 (1... Kf4 2. Nbd3+ $18 {Fork}) (1... Kf6 2. Nd5#) 2. Bxh7+ $1 ({Try :} 2. d3+ $2 Kxd4 3. Nf3+ Kxc5 4. Nxe1 Nf6 $1 (4... Kxb4 $2 5. Bxh7 $18 {see to solution}) 5. Nbc2 Nxg8+ $11) ({or} 2. Bd5+ $2 Kxd4 3. Nf3+ Kxc5 4. Nxe1 Nf6 $1 5. Bf3 (5. Bxb7 Nxg4+ 6. Kxg5 Nxh2 7. Nbd3+ Kb5 $11) 5... Kxb4 6. Kxg5 N6h7+ 7. Kh6 b5 8. g5 Ne6 9. g6 Nf6 $11) 2... Nxh7 ({main 1 :} 2... Kxd4 3. Nf3+ $3 $18 {Fork} ({- no!} 3. Nc2+ $2 {fork} Kxe5 4. Nxe1 Nxh7 5. Kxh7 Kf4 6. Kg6 Kxg4 7. Nd3 Kf3 (7... b5 $2 8. cxb6 cxb6 9. Nf2+ Kh4 10. Kf5 $18) 8. Kxg5 Kg2 9. Nf4+ Kxh2 10. Kg4 b6 11. Nxh3 (11. cxb6 cxb6 12. Nxh3 Kg2 13. d4 b5 14. Ng5 Kf2 $11) 11... Kg2 12. Nf4+ Kf2 13. Kf5 Kf3 $11)) 3. d3+ Kxd4 ({main 2 :} 3... Ke3 $1 4. Nc2+ {Fork} Kf4 5. Nxe1 $1 Nf6 6. N1f3 $1 d6 $1 (6... b5 7. cxb6 cxb6 8. Nxg5 Nxg4+ 9. Nxg4 Kxg4 10. d5 b5 11. d6 $18) 7. Nxg5 $1 (7. Kg6 $2 Nxg4 8. Nxg5 Nxh2 9. Nxh3+ Ke3 $11) 7... dxe5 8. Nxh3+ Kxg4 9. dxe5 $18) ({or} 3... Kf4 4. Nd5# {MATE}) 4. Nf3+ $1 {Fork} ({ no} 4. Nc2+ $4 {fork} Kxe5 $11) 4... Kxc5 5. Nxe1 Kxb4 (5... Nf6 6. Kxg5 Nxg4 7. Kxg4 Kxb4 8. Kxh3 Kc3 9. Kg3 {/g2} b5 10. h4 b4 11. h5 b3 12. h6 b2 13. h7 b1=Q 14. h8=Q+ Kd2 (14... Kb3 15. Qb8+ $18) 15. Nf3+ Kxd3 16. Qh7+ $18) 6. Kxh7 Kc3 7. Nf3 b5 8. Nxg5 b4 9. Ne4+ Kc2 ({main 3 :} 9... Kxd3 10. g5 Kxe4 11. g6 b3 12. g7 b2 13. g8=Q b1=Q 14. Qg6+ $18 {Pin}) 10. Nc5 $1 d6 11. Nb7 b3 12. Na5 b2 13. Nc4 b1=Q (13... b1=N 14. g5 $18) 14. Na3+ $1 {Fork} 1-0

[Event "2.hm  5th. U.A.P.A. Sec. A"] [Site ""] [Date "2017.04.08"] [Round ""] [White "Pavel Arestov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1Nq5/2P1PR2/1p2p1k1/1P6/1K3pB1/6P1/5P1p/8 w - - 0 1"] [PlyCount "19"] [EventDate "2017"] 
 {Tourney Thematic: Minors pieces vs.Queen} 1. Bh5+ $1 (1. Rf8 $2 h1=Q 2. Rxc8 Qe4+ $1 3. Kc3 Qe5+ 4. Kd3 Qd5+ 5. Ke2 Qe4+ 6. Kf1 Qh1+ 7. Ke2 Qe4+ $11) 1... Kxh5 2. Rh7+ Kg4 3. Rxh2 Qxc7 $1 (3... fxg3 4. Rg2 Qxc7 5. Rxg3+ $18) 4. Rh4+ $1 (4. e8=Q $2 Qd6+ 5. Kc4 Qd5+ 6. Kc3 Qc5+ 7. Kb3 Qd5+ $11) 4... Kf3 5. Rxf4+ Ke2 $1 (5... Kg2 6. e8=Q Qd6+ 7. Kc4 $1 Qc5+ 8. Kd3 $18) 6. Re4+ $1 (6. e8=Q $2 Qd6+ 7. Ka4 Qd1+ 8. Ka3 Qa1+ $11) 6... Kd3 (6... Kxf2 7. e8=Q Qd6+ 8. Kc4 Qd5+ 9. Kc3 Qxe4 10. Qd8 $18) 7. Rd4+ $3 (7. e8=Q $2 Qc3+ 8. Ka4 Qa1+ $11) (7. Re3+ $2 Kc2 $1 8. Nc6 Qd6+ 9. Ka4 Qd1 $1 10. Rb3 Qa1+ 11. Kb4 Qe1+ 12. Kc4 Qe2+ 13. Kd4 Qd2+ 14. Ke5 Qd5+ 15. Kf4 e5+ $1 16. Nxe5 Qe6 $11 17. Re3 Qxe7 18. g4 Qb4+ 19. Re4 Qxb5 20. g5 Qd5 21. Kf5 b5) 7... Kxd4 8. Nc6+ Ke4 $1 (8... Kd3 {(Kd5)} 9. e8=Q $18) 9. e8=N $3 {Domination} (9. e8=Q $2 Qd6+ 10. Ka4 Qd1+ $11) 9... Qb7 {(Qc8,Qf7)} (9... Qd7 {(Qh7)} 10. Nf6+ {fork, win.}) 10. Nd6+ {fork, win} 1-0

[Event "c.  5th. U.A.P.A. Sec. A"] [Site ""] [Date "2017"] [Round ""] [White "Valery Kalashnikov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "K4k1q/P6r/PP1P4/r5B1/3N2N1/8/8/8 w - - 0 1"] [PlyCount "27"] [EventDate "2017"] 
 {Tourney Thematic: Minors pieces vs.Queen} 1. b7 (1. Ne6+ $2 Kf7+ 2. Nd8+ Kg6 $11) (1. Bf6 $2 Qg8 2. b7 Qd5 3. Ne6+ Qxe6 4. b8=Q+ Kf7 $11) 1... Rxb7 (1... Qxd4 2. b8=Q+ Kf7 3. d7 Qxd7 4. Nf6 Qc6+ 5. Qb7+ Qxb7+ 6. axb7 Rh8+ 7. b8=Q Rxb8+ 8. Kxb8 Rb5+ 9. Kc7 Ra5 10. Kb6 $18) 2. Ne6+ $1 (2. Kxb7 $2 Qh1+ 3. Kb6 Rxg5 4. Ne6+ Ke8 5. a8=Q+ Qxa8 6. Nc7+ Kd7 7. Nxa8 Rxg4 $11) 2... Ke8 $1 (2... Kf7+ 3. Nd8+ Kg6 4. axb7 Rxa7+ 5. Kxa7 Qd4+ 6. Ka8 Qxd6 7. Be3 Qxd8+ 8. b8=Q $18) 3. axb7 (3. Kxb7 $2 Kd7 4. a8=Q Qxa8+ 5. Kxa8 Kxe6 $11) 3... Kd7+ (3... Rxa7+ 4. Kxa7 Qa1+ 5. Kb8 Kd7 6. Nc5+ Kxd6 7. Kc8 Kxc5 8. b8=Q $18) 4. b8=Q (4. Nf8+ $2 Qxf8+ 5. b8=Q Qxb8+ 6. Kxb8 Rb5+ 7. Ka8 Rxg5 $11) (4. Bd8 $2 Rxa7+ 5. Kxa7 Qa1+ 6. Kb8 Kxe6 $11) 4... Rxa7+ $1 (4... Qxb8+ 5. Kxb8 Rb5+ 6. Ka8 Kxd6 7. Nd8 $18) 5. Kxa7 Qa1+ 6. Kb7 Qh1+ (6... Qb2+ 7. Ka8 Qa3+ 8. Qa7+ $18) 7. Ka6 Qa1+ 8. Kb5 Qb2+ 9. Kc4 $1 Qxb8 10. Nc5+ Kc6 (10... Kxd6 11. Bf4+ $18) 11. Ne5+ Kxd6 12. Nf7+ Kc6 13. Nd8+ Kc7 (13... Kb6 14. Nd7+ $18) 14. Na6+ (14. Bf4+ $2 Kc8 $11) 1-0

ESTUDIES -WIN

[Event "1.p  5th. UAPA.Sec.B.1.Win"] [Site ""] [Date "2016.10.14"] [Round ""] [White "Jan Timman & Mario Garcia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2B1P2K/3Rp3/2q4p/6k1/b4NNb/8/8 w - - 0 1"] [PlyCount "19"] [EventDate "2016"] 
 1. Nh2+ $1 (1. Rd4+ $2 Qxd4 $1 ({no} 1... Kxf3 $2 2. Rd3+ Kg2 3. e8=Q Qxc7+ 4. Kg8 Kh2 5. Rxa3 $18) 2. Nxd4 Bxe7 $13) ({or} 1. e8=Q $2 Qxc7+ 2. Rd7 Qc2+ 3. Kg8 Kxg3 4. Ne5 Qe4 $11) 1... Kh4 (1... Kxg3 2. Rc6+ $18) 2. Rd4+ $1 { Sacrifice With two lines : A)} Qxd4 ({B)} 2... Bg4 3. Nf3+ $1 ({Try :} 3. e8=Q $2 Qxc7+ 4. Kg8 Kxg3 5. Nxg4 Bb2 6. Rd3+ Kh4 7. Qf8 Kxg4 8. Qb4+ Qf4 9. Qxb2 Qg5+ 10. Kh8 Qh6+ $11 {positional draw}) 3... Kh3 4. Ng5+ $1 Qxg5 5. e8=Q Bb2 6. Rd7 h4 7. Qf8 $1 (7. Qa8 $2 Bf5+ 8. Nxf5 Qxf5+ $11) ({or} 7. Qf7 $2 Bf6 $1 $11) 7... Qb5 (7... hxg3 8. Qf1+ g2 9. Rd3+ Kh4 10. Bg3+ Kh5 11. Qf7+ Qg6+ 12. Qxg6# {mate}) (7... Bf6 8. Qa3 $1 hxg3 9. Qxg3# {mate}) 8. Qf1+ Qxf1 9. Nxf1 $18 {wins}) 3. e8=Q Bg4 ({main} 3... Qd3+ 4. Kg8 Bd6 5. Nh1 Bxc7 6. Qe7# { model mate with 2 self-block}) 4. Nf3+ $1 {sacrifice} ({Try:} 4. Nxg4 $2 Qxg4 $1 5. Qc6 e5 $1 6. Bxe5 Bb2 $1 7. Qf6+ Kh3 8. Qf1+ Kh4 9. Qh1+ Kg5 $11 { posiitonal draw}) 4... Bxf3 5. Nf5+ $1 {sacrifice} exf5 6. Qe1+ Kg5 (6... Kg4 7. Qg3# {mate}) 7. Qg3+ Bg4 (7... Kf6 8. Qg7+ $18 {pin}) 8. Qf4+ $1 {sacrifice} Qxf4 9. Bd8+ Be7 10. Bxe7# {Ideal mate with 4 self-block} 1-0

[Event "4.p. 5th. UAPA.Sec.B.1.Win"] [Site ""] [Date "2017"] [Round ""] [White "Martin Minski"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2R5/8/8/p2Kb3/1k6/8/7p/qB1Q1b2 w - - 0 1"] [PlyCount "19"] [EventDate "2017"] 
 {dedicated to Yochanan Afek - 65} 1. Qd2+ $1 (1. Qe1+ $2 Ka4 $1 (1... Kb5 $2 2. Qxf1+ $18) 2. Bc2+ Kb5 $1 $11) 1... Kb5 (1... Qc3 2. Rxc3 h1=Q+ 3. Rf3+ $18) ( 1... Bc3 2. Qf4+ {/Qxh2+-}) 2. Bd3+ Kb6 (2... Bxd3 3. Qxd3+ Kb4 4. Rc4+ $18) 3. Be4 $1 (3. Qh6+ $2 Bf6 $1 $11) 3... h1=Q $1 (3... Bg2 4. Rc6+ $18) (3... Bc7 4. Qe3+ {/Qf2++-}) 4. Bxh1 Bc7 (4... Bb5 5. Qe3+ Kb7 6. Rc1 $18) 5. Qe3+ (5. Qf2+ $2 Kb7 6. Ra8 $4 Qe5#) 5... Kb7 6. Ra8 $3 (6. Re8 $2 Bg2+ $2 ({but} 6... Bb5 { /Bc4+/Bd3!=}) 7. Bxg2 Qa2+ 8. Qb3+ $3 Qxb3+ 9. Kc5+ Ka7 10. Ra8#) (6. Kc5+ $2 Kxc8 7. Qe8+ Bd8 8. Qe6+ Kb8 9. Qd6+ Kc8 10. Qc6+ Bc7 11. Qe8+ Bd8 $11) 6... Bg2+ $1 (6... Bb5 {/Bd3} 7. Qa7#) (6... Kxa8 7. Ke6+ $1 Kb8 8. Qb3+ Ka7 9. Qb7# ) (6... Bc4+ 7. Kxc4+ Qxh1 8. Qa7+ Kc6 9. Qc5+ Kb7 10. Ra7+ $18) 7. Bxg2 Qa2+ 8. Qb3+ $3 (8. Kc5+ $2 Qxg2 $11) 8... Qxb3+ 9. Kc5+ Qd5+ (9... Qf3 10. Bxf3#) 10. Bxd5# 1-0

[Event "Sp.hm  5th. UAPA.Sec.B.1.Win"] [Site ""] [Date "2017"] [Round ""] [White "Arpad Rusz"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/R6p/6P1/1r6/5k2/8/6K1/8 w - - 0 1"] [PlyCount "11"] [EventDate "2017"] 
 1. Rf7+ $1 (1. gxh7 $2 Rb8 $1 (1... Rh5 $2 2. Ra4+ Ke3 3. Ra3+ Ke4 4. Rh3 $18) 2. Rf7+ Kg5 $1 (2... Ke5 $2 3. Kf3 Ke6 4. Rb7 $1 Rh8 5. Kg4 Kf6 6. Kh5 $18) 3. Rg7+ Kh6 4. Rg8 Rb2+ $11) (1. g7 $2 Rg5+ 2. Kf2 Rg6 $1 $11 (2... Kg4 $2 3. Ra1 $1 Rxg7 4. Rg1+ $18) (2... h5 $2 3. Ra4+ Kf5 4. Ra5+ $18)) 1... Kg4 (1... Kg5 2. g7 Rb8 3. Rf8 $18) (1... Ke4 2. gxh7 Rh5 3. Kg3 Ke5 4. Kg4 $18) 2. g7 $1 Rg5 3. Kh1 $3 ({Thematic try:} 3. Kh2 $2 h5 4. Rf1 Rxg7 5. Rg1+ Kh4 $1 6. Rxg7 { chameleon echo stalemate}) 3... h5 (3... Rh5+ 4. Kg1 $1 Rg5 5. Rf2 Kh3+ (5... Kh4+ 6. Rg2 $18) 6. Kh1 Rxg7 7. Rh2+ Kg4 8. Rg2+ $18) (3... Kh4 4. Rf4+ $1 (4. Rf2 $2 Rxg7 5. Rh2+ Kg5 $11) 4... Kh5 5. Rf5 $1 $18) 4. Rf2 $1 ({Thematic try: } 4. Rf1 $2 Kh3 $1 (4... h4 $2 5. Kh2 $1 Rxg7 6. Rg1+ $18) 5. Rg1 h4 $1 6. g8=Q Rxg8 7. Rxg8 {chameleon echo stalemate}) 4... h4 5. Kh2 $1 Rxg7 6. Rg2+ $18 1-0

[Event "c.  5th. UAPA.Sec.B.1.Win"] [Site ""] [Date "2017.09.22"] [Round ""] [White "Pavel Arestov &"] [Black "Richard Becker"] [Result "1-0"] [SetUp "1"] [FEN "k1B5/7p/K1P5/P7/7p/P7/8/5r2 w - - 0 1"] [PlyCount "43"] [EventDate "2017"] 
 1. c7 $1 (1. Bb7+ $2 Kb8 2. Kb6 Rb1+ $11) (1. Bh3 $2 Rc1 $11) 1... Rf6+ (1... Rc1 2. Bb7#) 2. Kb5 Rf8 (2... Rf7 3. Bd7 $18) 3. Bh3 (3. Ba6 $2 h3 4. Kb6 Rf6+ 5. Kc5 Rf8 $11) (3. Be6 $2 Kb7 4. c8=Q+ Rxc8 5. a6+ Kc7 6. a7 Rd8 $19) 3... Kb7 4. c8=Q+ Rxc8 5. a6+ (5. Bxc8+ Kxc8 $19) 5... Kc7 (5... Kb8 6. a7+ Kb7 7. Bxc8+ $18) 6. a7 Ra8 (6... Rg8 7. Bg2 Rg5+ 8. Kc4 (8. Kb4) 8... Rg4+ 9. Kd5 Rg5+ 10. Kd4 Rg4+ 11. Ke5 Rg5+ 12. Kf4 Ra5 13. a8=Q Rxa8 14. Bxa8 $18) 7. Ka6 Rg8 8. Bf5 (8. Bg2 Rg3 9. a4 Rg6+ 10. Kb5 Rg5+ 11. Kc4 Rg4+ 12. Kb3 Rg3+ $11) 8... Re8 9. a4 {[%eval 264,13] [%emt 0:00:08]} h6 (9... h3 10. Bxh3 Rg8 11. Bf5 Re8 12. a5 h6 13. Bh3 Rg8 14. Bg2 $18) 10. a5 (10. Bh3 $2 Rg8 11. Bg2 Rg6+ 12. Kb5 Rg5+ 13. Kc4 Rg4+ 14. Kb3 Rg3+ $11) 10... h5 11. Bh3 Rg8 12. Bg2 Rg6+ 13. Kb5 Rg5+ 14. Kb4 Rg4+ 15. Kc3 Rg3+ 16. Kd4 Rg4+ 17. Ke3 Rg3+ 18. Kf4 Rg4+ 19. Kf5 Rg8 20. Bd5 (20. a8=Q $2 Rxa8 21. Bxa8 h3 22. Kf4 h2 23. Kg3 Kb8 24. Be4 Ka7 $11) 20... h3 (20... Re8 21. Kf4 h3 22. Kg3 $18) 21. Ke4 (21. Bxg8 $2 Kb7 $11) (21. Kf4 $2 h2 $11) 21... h2 (21... Rd8 22. Kf3 $18) 22. Kd4 $18 1-0

"ESTUDIES - DRAW"

[Event "Sp.P.  5th. UAPA Sec.B.2. Draw. "] [Site ""] [Date "2017.08.12"] [Round ""] [White "P.Krug V.Tarasiuk M.Garcia"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3b4/8/k4Pp1/1p6/1R2P1pR/r7/1n4Kp/8 w - - 0 1"] [PlyCount "21"] [EventDate "2017"] 
 {Theme: Positional draw, and stalemate with suicide rook} 1. Rh8 $1 (1. f7 $2 Rf3 2. Rh8 Rxf7 3. Rxb2 (3. Rxd8 Rf2+ 4. Kh1 g3 5. Ra8+ Kb6 $19) 3... Bc7 4. Re2 Be5 $19) 1... Rh3 2. Rxh3 gxh3+ 3. Kh1 $3 (3. Kxh2 $2 Bxf6 4. Rb3 Ka5 $19) 3... Bxf6 (3... Nc4 4. f7 Be7 5. Rb1 g5 6. Rf1 b4 7. f8=Q Bxf8 8. Rxf8 b3 9. Rb8 Nb6 10. Rf8 $11) 4. e5 $1 Bxe5 5. Rxb5 $1 Nd1 $1 {(6...Nf2#)} 6. Rb6+ $1 ({ Try :} 6. Ra5+ $2 Kb7 7. Rb5+ Kc8 8. Rb8+ Kc7 9. Rb7+ Kc6 10. Rb6+ Kc5 11. Rb5+ Kc4 12. Rxe5 Nf2+ 13. Kxh2 Ng4+ 14. Kxh3 Nxe5 $19) 6... Ka5 $1 (6... Kxb6 { - stalemate}) 7. Rb5+ Ka4 8. Rb4+ Ka3 9. Rf4 $1 (9. Rb3+ $2 Ka2 10. Ra3+ (10. Rf3 Bd4 11. Kxh2 Nf2 $19) 10... Kb1 $1 11. Rb3+ Kc2 $1 $19) 9... Kb3 (9... g5 10. Rf1 Ne3 11. Rf5 Nxf5 $11 {stalemate}) 10. Rf1 Nc3 (10... Kc2 11. Rxd1 $1 Kxd1 {stalemate}) 11. Re1 $1 $11 {positional draw} ({try} 11. Rf4 $2 g5 12. Rb4+ Kc2 $1 13. Rb2+ Kd3 14. Rd2+ Ke4 $19) ({or} 11. Rf5 $2 Ne4 12. Rxe5 Nf2+ 13. Kxh2 Ng4+ 14. Kxh3 Nxe5 $19) 1/2-1/2

[Event "Sp.P.  5th. UAPA Sec.B.2. Draw. "] [Site ""] [Date "2017"] [Round ""] [White "Steffen S.Nielsen & M. Minski"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6N1/5BPk/2r5/1RBp2rp/Q1p5/R7/n1K2n2/7q w - - 0 1"] [PlyCount "19"] [EventDate "2017"] 
 1. Nf6+ $1 Rxf6 2. g8=Q+ Rxg8 3. Bxg8+ Kh8 $1 4. Rb1 (4. Rxa2 $2 Qe4+ 5. Kb2 Qe5+ 6. Ka3 Rf3+ $19) 4... Qh2 $1 (4... Qg2 5. Kb2 Nd3+ 6. Ka1 Nc3 7. Rxc3 Nxc5 8. Bxd5 $1 Qxd5 (8... Nxa4 9. Bxg2 {(or 9.Rb8+)} Nxc3 10. Rc1 Rf2 11. Rxc3 Rxg2 12. Rxc4 Kg7 13. Kb1 Kf6 14. Kc1 $11) 9. Rb8+ ({or} 9. Qe8+) 9... Kh7 10. Qxc4 Ra6+ 11. Kb1 $11) 5. Kb2 Nd3+ 6. Ka1 Nc3 $1 (6... Qe5+ 7. Kxa2 Qe2+ 8. Ka1 Qe5+ 9. Ka2 $11) 7. Ra2 $1 (7. Rxc3 $2 Nxc5 $19) (7. Qe8 $2 Qb2+ $3 8. Rxb2 Rf1+ 9. Rb1 Rxb1#) 7... Qb8 $3 (7... Nxa4 8. Rxh2 $11) 8. Qd1 $3 (8. Rxb8 $2 Rf1+ 9. Rb1 Rxb1#) 8... Qh2 $1 (8... Qe5 9. Bd4 $1 Nxd1 (9... Qxd4 $2 10. Qxh5+ $18) 10. Bxe5 $11) 9. Qa4 $1 (9. Rxh2 $2 Ra6+ 10. Ra2 Rxa2#) 9... Qb8 (9... Qe5 10. Qa7 $1 Nb5+ 11. Bd4 Nxa7 (11... Nxd4 $2 12. Qh7#) 12. Bxe5 $11) 10. Qd1 { Draw by perpetual queen sacrifice} 1/2-1/2

[Event "Sp.c.   5th. UAPA Sec.B.2. Draw. "] [Site ""] [Date "2017.06"] [Round ""] [White "Richard Becker"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5rN1/1R4p1/8/5n2/8/6P1/8/5k1K w - - 0 1"] [PlyCount "33"] [EventDate "2017"] 
 1. Rb1+ $1 (1. g4 $2 Ne3 $1 2. Rxg7 Rf3 3. Kh2 Kf2 4. Rh7 Nxg4+ 5. Kh1 Kf1 $19) 1... Kf2 2. Rb2+ Kxg3 (2... Kf3 3. g4 Ng3+ 4. Kh2 Ne2 5. Nh6 $1 gxh6 (5... Rh8 6. Rb3+ {(g5)=}) 6. Kh3 $11) 3. Rg2+ (3. Ne7 $2 Nh4 $1 4. Kg1 Rf3 5. Re2 g5 $19 ) 3... Kh3 (3... Kf4 4. Ne7 Ng3+ 5. Kg1 $11) 4. Rh2+ Kg3 5. Rg2+ Kf3 6. Ne7 $1 Nxe7 (6... Ng3+ 7. Kg1 Ne2+ 8. Kf1 Ng3+ 9. Kg1 $11) 7. Rxg7 Nf5 8. Rg6 $1 (8. Ra7 $2 Ne3 9. Kh2 (9. Ra3 Kf2 10. Ra2+ Kg3 11. Ra1 Rd8 12. Kg1 Rd3 13. Rb1 Ng4 14. Kf1 Re3 $19) 9... Rh8+ 10. Kg1 Rg8+ 11. Kh2 (11. Kh1 Rc8 12. Rf7+ Kg3 13. Rg7+ Ng4 $19) 11... Nf1+ 12. Kh1 Ng3+ 13. Kg1 Ne2+ $19) 8... Nh4 (8... Ne3 9. Kg1 Rf7 10. Rg8 $11) 9. Rg7 $1 (9. Ra6 $2 Kg3 10. Ra3+ Nf3 11. Ra8 Rf5 12. Ra5 (12. Rg8+ Kf2 13. Rg2+ Ke1 $19) 12... Rf4 13. Ra4 Nd4 14. Ra3+ Kf2 15. Ra2+ Ne2 $19) 9... Kf2 10. Rb7 $1 (10. Ra7 $2 Rf4 $1 11. Ra2+ Kg3 12. Kg1 Nf3+ 13. Kf1 Nh2+ 14. Ke1 Rf1+ 15. Kd2 Rf2+ $19) 10... Rf4 (10... Rh8 11. Rb2+ Kf1 12. Rb1+ Kf2 13. Rb2+ Kg3 14. Kg1 Nf3+ 15. Kf1 Rh1+ 16. Ke2 Rh2+ 17. Kf1 Nd2+ 18. Ke1 Nf3+ 19. Kf1 Rxb2 {stalemate}) 11. Rb2+ (11. Kh2 $2 Nf3+ $19) 11... Kg3 12. Kg1 Nf3+ 13. Kf1 Ne5+ 14. Kg1 Nf3+ 15. Kf1 Nh2+ 16. Ke1 Rf1+ 17. Kd2 $11 1/2-1/2

[Event "Sp.c.   5th. UAPA Sec.B.2. Draw. "] [Site ""] [Date "2017.06.10"] [Round ""] [White "Andrzej Jasik & Mario Garcia"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5n2/6p1/3N4/3p1PK1/1Bnp1p1p/p5pk/P2PR2p/4Q2b b - - 0 1"] [PlyCount "40"] [EventDate "2017"] 
 {Themes: Positional Draw (Bishops of different colors) and Stalemate} 1... f3 ( {Main :} 1... Nh7+ 2. Kxf4 g2 3. Ne4 $1 ({Try :} 3. Rxg2 Bxg2 4. Nxc4 dxc4 5. Be7 Nf6 6. Kg5 Ne4+ 7. Kf4 Ng3 8. Qd1 Bf3 $1 9. Qxf3 h1=Q 10. Qg4+ Kg2 11. Bxh4 Qf1+ 12. Ke5 Qe2+ 13. Qxe2+ Nxe2 14. Ke4 d3 15. Ke3 Ng3 16. Bxg3 Kxg3 $19) 3... dxe4 4. Be7 $1 Nf6 5. Bxf6 gxf6 6. Re3+ Nxe3 7. Qxe3+ dxe3 8. dxe3 g1=Q { stalemate}) 2. Rxh2+ $1 ({Try :} 2. Nxc4 $2 Nh7+ 3. Kf4 Bg2 4. Ne5 f2 5. Rxf2 gxf2 6. Qxf2 h1=Q 7. Ng4 (7. Nf3 Bxf3 8. Be7 Bd1 {/Nf6-+}) 7... Qd1 $1 $19) 2... Kxh2 3. Nxc4 $1 (3. Kxh4 $2 f2 4. Qe2 g5+ 5. Kxg5 Bg2 6. Nxc4 f1=Q $19) 3... f2 4. Qe2 $1 (4. Qd1 $2 dxc4 $1 5. Bxf8 Bg2 6. Kxh4 f1=Q 7. Qg4 Qf3 8. Bd6 Qxg4+ 9. Kxg4 c3 $19) 4... Bg2 (4... d3 5. Qxd3 $1 dxc4 6. Qxc4 Nh7+ 7. Kxh4 $11) 5. Ne5 $1 f1=Q 6. Qxf1 Nh7+ (6... Bxf1 7. Nf3+ $11) 7. Kxh4 Bxf1 8. Nf3+ $1 (8. Bd6 $2 g2 9. Ng4+ Kg1 10. Be5 Bd3 11. Kg3 Kf1 12. Nh2+ Ke2 13. Kxg2 Be4+ $19) (8. Bxa3 $2 Be2 9. Bc5 d3 10. Nd7 g2 11. a4 Nf6 12. Nxf6 gxf6 $19) 8... Kg2 9. Nxd4 Nf6 10. Ne6 $1 (10. Nc2 $2 Ne4 11. Bxa3 Bd3 $19) 10... Ne4 11. Ng5 $1 (11. Bxa3 $2 Kh2 12. Nf4 g2 13. Nxg2 Kxg2 14. Bb2 Ng3 $19) 11... Nxg5 12. Kxg5 Kf3 (12... Kh3 13. Bxa3 Bc4 14. Bc5 Bxa2 15. Bg1 $1 Kg2 16. Bd4 Kf3 17. Kh4 g2 18. Kh3 $11) 13. Bxa3 Bc4 14. Kh4 {(ab)} Bxa2 15. Bc5 {(ba)} Bb1 (15... g2 16. Kh3 $11) 16. Bd4 Bxf5 (16... g2 17. Kh3 Bxf5+ 18. Kh2 $11) 17. Bxg7 g2 18. Bd4 Ke2 19. Kg3 Be4 20. Be3 $1 (20. Kh2 $2 Kxd2 $19) 20... Kf1 21. Kh2 $1 $11 {positional draw - Recreation study Andrzej Jasik} 1/2-1/2