www.arves.org - UAPA 19th 2022

Studies provisionaly awarded for the UAPA 19th 2022 tournament.

SECTION:THEMATIC: A.

[Event "1.p. UAPA 19th ty sec A.(tt) "] [Site ""] [Date "2022.10"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/6P1/5K2/7k/1qr4r/4R3/1B1RP3/8 w - - 0 1"] [PlyCount "29"] [EventDate "2022"] 
 1. Re5+ $1 ({Logical try :} 1. Rd5+ Kh6 2. g8=N+ Kh7 3. Re7+ Kh8 $1 { position X1 with rook on d5 is no more then draw, because b2 is undefended} 4. Kf7+ $4 Qxb2 $19) 1... Kh6 2. g8=N+ $1 Kh7 3. Re7+ $1 (3. Rd7+ Kh8 { white is even lost}) 3... Kh8 {position X2 with rook on d2} (3... Qxe7+ 4. Nxe7 $18) 4. Kf7+ $1 Rcd4 $1 (4... Kh7 5. Ke6+ {winning the queen} Qxe7+ 6. Nxe7 $18 {and winning}) (4... Rc3 5. Nf6 $1 Qb3+ 6. Kg6 $18) (4... Rhd4 5. Rxd4 Rxd4 6. Re3 $18) 5. Rxd4 $1 {Creating Bishop-rook battery} (5. Bxd4+ Rxd4 6. Rxd4 Qxd4 7. Nf6 $11 {is draw}) 5... Rh7+ $1 (5... Rxd4 6. Re3 Qc4+ 7. Re6 $1 Kh7 8. Bxd4 $18) 6. Kg6 $1 Rg7+ $3 {Fighting for stalemate} 7. Rxg7 { Now there is battery with 2 rooks on bishop's diagonal} Qd6+ $1 8. Nf6 $1 { Sacrifices knight and rook to avoid stalemate} (8. Kf7 Qd5+ $11) (8. Kf5 Qd5+ $1 9. Kf4 Qxd4+ $1 10. Bxd4 {stalemate}) (8. Kh5 Qh2+ $1 9. Rh4 Qxh4+ 10. Kxh4 {stalemate}) 8... Qxf6+ $1 9. Kh5 $1 (9. Kxf6 {stalemate}) 9... Qh6+ $1 (9... Qe5+ 10. Rg5 $1 $18) 10. Kg4 $1 (10. Kxh6 {stalemate}) 10... Qe6+ (10... Qxg7+ 11. Kh3 {as main}) (10... Kxg7 11. Rd6+ $18) 11. Kh4 $1 ({Thematic try :} 11. Kg3 Qe5+ $1 12. Kf3 Qd5+ $1 13. Ke3 Qe5+ $1 14. Kd2 Qxd4+ $1 15. Bxd4 { Stalemate}) ({Thematic try :} 11. Kf3 Qd5+ $1 12. Ke3 (12. Rxd5 {stalemate}) 12... Qe5+ $1 13. Kf3 Qd5+ $1 {perpetual check}) 11... Qh6+ 12. Kg3 $1 (12. Kg4 Qe6+) 12... Qxg7+ {One of the rooks eliminated, bisop-rook battery remains} ( 12... Qe3+ 13. Kh2 $1 Qh6+ 14. Kg1 ({or} 14. Kg2) 14... Qxg7+ 15. Kf1 $1 $18) 13. Kh3 $1 (13. Kh2 $2 Qc7+ $11) (13. Kf2 Qa7 $1 $11 {rook is pinned}) 13... Qh7+ (13... Qh6+ 14. Rh4+ $18) (13... Kh7 14. Rh4+ $18) 14. Rh4+ Kg8 15. Rxh7 $18 1-0

[Event "2.p. UAPA 19th ty sec A.(tt) "] [Site ""] [Date "2022.08.30"] [Round ""] [White "Peter Krug & Mario Garcia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "B7/2p5/6N1/3p3r/8/6p1/4RN1p/4K1k1 w - - 0 1"] [PlyCount "19"] [EventDate "2020"] [TimeControl "300"] 
 {White , after successive attempts to sacrifice black Rook avoid the stalemate and achieve victory} 1. Nh1 $1 (1. Bxd5 $2 h1=Q 2. Bxh1 (2. Nxh1 Rxd5 3. Nxg3 Rg5 $1 $11) 2... gxf2+ $1 (2... Rh2 $2 3. Ne4 Rxe2+ 4. Kxe2 Kxh1 5. Nxg3+ $18) 3. Rxf2 Kxh1 4. Nf4 Ra5 $11) (1. Nf4 $2 gxf2+ 2. Rxf2 Re5+ 3. Ne2+ Rxe2+ 4. Kxe2 h1=Q $11) 1... Kxh1 (1... g2 2. Rxg2+ Kxg2 3. Nf4+ Kg1 (3... Kxh1 4. Kf1 { /f2} Rf5 5. Bxd5+ Rxd5 6. Nxd5 $18 {e.g.} c5 7. Ne3 c4 8. Nd1 c3 9. Nf2#) 4. Nxh5 $18) 2. Nf4 $1 (2. Nh4 $2 c6 {/g2=}) 2... Rf5 3. Nxd5 c6 $1 { playing for stalemate} (3... Rf8 4. Bc6 $1 Rf1+ (4... g2 5. Ne3 $18) 5. Kd2 $18 {as main line}) (3... g2 4. Ne3 $1 (4. Nc3 $2 c6 $1 5. Bxc6 Rf6 {/c5=} 6. Bxg2+ Kg1) 4... c6 5. Bxc6 Rf6 6. Bd5 Rd6 7. Bxg2+ $18) 4. Bxc6 (4. Ne3 $2 Rf2 5. Rxf2 gxf2+ 6. Kxf2 $11 {stalemate}) 4... Rf1+ $5 {sacrifice} (4... g2 5. Ne3 Rf6 6. Bd5 Rd6 7. Bxg2+ Kg1 8. Rf2 h1=Q 9. Rf1+ $18) 5. Kd2 $1 (5. Kxf1 $11 g2+ 6. Rxg2 $11) 5... Kg1 6. Rg2+ $3 (6. Ne3 $2 Rf2 $1 (6... h1=Q $2 7. Bxh1 Kxh1 8. Nxf1 g2 9. Ng3+ Kh2 10. Ke3 $1 $18) 7. Rxf2 gxf2 $11) 6... Kh1 $1 ({main}  6... Kxg2 7. Nf4+ Kf2 8. Nh3# {ideal mate}) 7. Rxg3 $1 (7. Nf4 $2 Rd1+ 8. Ke3 Rd3+ 9. Nxd3 $11 {stalemate}) 7... Rd1+ $5 {sacrifice} 8. Ke2 $3 ({ Thematic try:} 8. Ke3 $2 Rd3+ {sacrifice} 9. Kf2 Rf3+ {sacrifice} 10. Kxf3 $11 {stalemate} (10. Ke1 Rxg3 11. Nc3+ Rg2 12. Ne2 $13 {stalemate})) ({or} 8. Kc2 $2 Rc1+ 9. Kxc1 $11 {stalemate}) ({or} 8. Kxd1 $2 $11 {stalemate}) 8... Rd2+ $5 {sacrifice} (8... Re1+ {sacrifice} 9. Kd3 $1 Re6 10. Bb7 {/a8+-}) 9. Kf3 $1 Rc2 (9... Rd3+ 10. Ne3 $18) (9... Rxd5 10. Rg6 $18) (9... Rf2+ 10. Kg4 $18) 10. Rg6 $1 $18 ({Try:} 10. Bb7 Rc7 11. Ba8 Rc8 $11) 1-0

SECTION B no theme Win B1:

[Event "2.hm. UAPA 19th sec.B.1.win"] [Site ""] [Date "2022"] [Round ""] [White "Osintsev Sergey"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "kr1b1B1n/pp3P2/2P3p1/8/2pq4/2N1R3/2K4Q/8 w - - 0 1"] [PlyCount "17"] [EventDate "2022"] 
 1. Bg7 $3 ({Tries} 1. c7 $2 Bxc7 2. Qxc7 Qxe3 3. Qxb8+ $5 Kxb8 4. Bd6+ Kc8 5. f8=Q+ Kd7 6. Bf4 Qf2+ $11) (1. cxb7+ $2 Rxb7 2. Bc5 $1 Qxc5 3. Qxh8 Qf5+ 4. Ne4 Qxf7 5. Qxd8+ Rb8 $11) (1. Qg3 $2 bxc6 $1 2. Bd6 Bg5 $1 3. Bc5 $1 Qf4 $1 4. Qxf4 Bxf4 5. Re7 Rd8 $1 6. Rd7 $1 Nxf7 7. Rxa7+ Kb8 8. Rxf7 $11) 1... Qxg7 2. c7 Bxc7 3. Nd5 $3 (3. Qxc7 $2 Qxf7 4. Re7 Qf2+ $19) 3... Bd8 (3... Bxh2 4. Nb6+ $1 axb6 5. Ra3# {vertically checkmate by Rook}) 4. Re8 $1 (4. Nb6+ $6 Bxb6 5. Re8 Rd8 $1 6. Qh3 Qf8 7. Rxf8 Rxf8 8. Qd7 Nxf7 9. Qe7 Rc8 10. Qxf7 { Black won't lose}) (4. Qc7 $6 a5 $1 5. Nb6+ Ka7 6. Qxb8+ Kxb8 7. f8=Q Qxf8 8. Nd7+ Kc7 9. Nxf8 Nf7 {Black won't lose}) 4... Nxf7 (4... Qxf7 5. Qxb8+ $1 Kxb8 6. Rxd8# {horizontal checkmate by Rook}) 5. Rxd8 $1 Nxd8 (5... Rxd8 { allows Lucena checkmate combination} 6. Nc7+ Kb8 7. Na6+ Ka8 8. Qb8+ $1 Rxb8 9. Nc7# $1) 6. Qh8 $3 (6. Nc7+ $2 Qxc7 7. Qxc7 Nc6 {Black won't lose}) 6... Qd7 ({ or} 6... Qxh8 7. Nc7# $1 {Lucena mate}) 7. Nb6+ $1 axb6 8. Qa1+ Qa4+ 9. Qxa4# { vertical checkmate by Queen} 1-0

[Event "c. UAPA 19th sec.B.1.win"] [Site ""] [Date "2022"] [Round ""] [White "Michal Hlinka & Luboš Kekely"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2b3k1/q5N1/2P1P2R/2P2K2/2N1B3/8/3p4/8 w - - 0 1"] [PlyCount "21"] [EventDate "2022"] 
 1. Nh5 Bxe6+ (1... Qxc5+ 2. Ne5 d1=Q 3. Nf6+ Kf8 4. Rh8+ Ke7 5. Rh7+ Kd8 6. c7+ Qxc7 7. Rh8+ Ke7 8. Ng6+ Kd6 9. Ne8+ Kc5 10. Nxc7 Qf1+ 11. Nf4 $18) 2. Rxe6 (2. Kxe6 $2 Qf7+ 3. Ke5 d1=Q 4. Nf6+ Kf8 5. Rh8+ Ke7 6. Ng8+ Qxg8 7. Rxg8 Qa1+ 8. Kd5 Qd1+ 9. Ke5 Qa1+ 10. Kf4 Qf1+ 11. Ke3 Qxc4 $11) 2... d1=Q (2... Qxc5+ 3. Ne5 d1=Q 4. Re8+ Qf8+ 5. Nf6+ Kg7 6. Rxf8 Kxf8 7. c7 Qc1 8. Ke6 Qxc7 9. Ng6+ Kg7 10. Ne8+ $18 {fork}) 3. Re8+ (3. Nf6+ $2 Kg7 4. Ne8+ Kf8 5. Rf6+ Ke7 6. Re6+ Kf8 $11) 3... Kf7 (3... Kh7 4. Kg5#) 4. Nd6+ Qxd6 5. cxd6 Qd7+ $1 (5... Kxe8 6. c7 Qc5+ 7. Kg4 Kf7 8. Bf5 Qxd6 9. c8=Q Qd1+ 10. Kg5 Qd8+ $1 11. Kh6 $1 (11. Qxd8 $2 {stalemate}) 11... Qxc8 12. Bxc8 $18) 6. Kg5 $1 (6. cxd7 $2 { stalemate}) (6. Kf4 $2 Qxe8 7. c7 Qe6 $11) 6... Qxd6 (6... Qxe8 7. Bg6+ $18) 7. c7 $1 (7. Ra8 $2 Qe5+ 8. Bf5 Qe7+ $11) 7... Qc5+ 8. Bf5 Qg1+ (8... Qc1+ 9. Nf4 $18) 9. Kh6 (9. Bg4 Qc5+ 10. Bf5 Qg1+ 11. Kh6 {waste of time}) (9. Kh4 Qh2+ 10. Kg5 Qg1+ 11. Kh6 {waste of time}) 9... Qc1+ (9... Qb6+ 10. Be6+ $18) 10. Kh7 Qxc7 (10... Kxe8 11. c8=Q+ Qxc8 12. Bxc8 $18) 11. Bg6# { All pieces of final position moved.} 1-0

[Event "c. UAPA 19th sec.B.1.win"] [Site ""] [Date "2022"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7r/1N5n/6P1/3B3R/1k1p1K2/4P3/2p5/8 w - - 0 1"] [PlyCount "27"] [EventDate "2022"] 
 1. Nc5 $1 (1. g7 $2 Rg8 2. Bxg8 (2. Rh1 Rxg7 3. exd4 Kc3 $11) 2... c1=Q 3. Bxh7 Qc7+ $11) 1... Kxc5 (1... Rf8+ 2. Bf7 $18) (1... Kc3 2. g7 Rc8 3. Ne4+ Kb4 4. Rh1 $18) (1... c1=Q 2. Nd3+ $18) 2. Be4+ (2. g7 $2 Rc8 3. Bb3+ (3. Be6+ Kd6 4. Bxc8 (4. Rh6) 4... c1=Q 5. Rh6+ Ke7 6. g8=Q Qxe3+ $11) 3... Kb4 4. Bxc2 Nf6 $11 ) (2. Bb3+ $2 Kd6 3. Bxc2 Rf8+ 4. Kg3 Nf6 5. Rf5 dxe3 $11) 2... Kd6 (2... Kb4 3. Bxc2 Rf8+ 4. Ke5 Nf6 5. Rh4 $1 $18) (2... Kb6 3. Bxc2 Rf8+ 4. Rf5 $18) (2... Kc4 3. Bxc2 $18) 3. Rd5+ $1 (3. Bxc2 Rf8+ 4. Kg3 Nf6 5. Rh6 dxe3 $11) 3... Ke6 4. Re5+ Kf6 (4... Kd6 5. Bxc2 Nf8 6. exd4 Rh4+ 7. Ke3 Rh3+ 8. Kd2 Rg3 9. Ra5 Ne6 10. Be4 $18) 5. Bxc2 Nf8 6. Rf5+ $1 Kg7 (6... Ke7 7. Rf7+ Kd6 8. exd4 $18) 7. Rf7+ Kh6 8. Ke5 $1 (8. g7 $2 Ne6+ $11) (8. exd4 $2 Nxg6+ $11) (8. Kf5 $2 Nxg6 $11) (8. Rf6 $2 dxe3 $11) 8... dxe3 (8... Nxg6+ 9. Bxg6 Kxg6 10. Rf6+ Kg7 11. exd4 $18 {Won R+P vs R ending}) 9. g7 $1 Ng6+ (9... Nd7+ 10. Rxd7 Rc8 11. Kf6 $18) 10. Bxg6 (10. Kf6 $2 Rc8 $11 {/b8/a8} 11. Bxg6 Rc6+ 12. Kf5 Rc5+ $1 13. Kf4 Rc8 $1 14. Kf5 (14. Bf5 Rg8 $11) 14... Rc5+ $1 $11) 10... Rd8 (10... Ra8 11. Ra7 $1 $18) (10... Rb8 11. Rb7 $1 $18) (10... Rc8 11. Rc7 $1 $18) 11. Rd7 $1 ({Thematic try :} 11. Kf6 $2 Rd6+ 12. Kf5 Rd5+ $1 13. Kf4 Rd8 $1 14. Rf8 (14. Kf5 Rd5+ $1 $11) 14... Rd4+ $1 15. Kxe3 Kxg7 $1 $11) 11... e2 $1 (11... Rxd7 12. g8=Q $18) (11... Ra8 12. Kf6 Ra6+ 13. Kf7 Rxg6 14. Rd6 Rxd6 15. g8=Q $18) 12. Kf6 $1 (12. Rxd8 $2 e1=Q+ $11) 12... e1=Q (12... Rxd7 13. g8=N# $1) 13. g8=N+ $1 Rxg8 14. Rh7# 1-0

[Event "c. UAPA 19th sec.B.1.win"] [Site ""] [Date "2022"] [Round ""] [White "Mario Garcia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2Nn2k1/7N/R6K/2bP4/6B1/2R4P/7n/1q6 w - - 0 1"] [PlyCount "21"] [EventDate "2018"] 
 1. Rg6+ $1 ({Try:} 1. Be6+ $2 Kh8 $1 (1... Nxe6 $2 2. Nf6+ Kh8 3. Rxe6 Bf8+ 4. Kg5 Qg1+ 5. Kf5 Qf2+ 6. Kg6 Qg2+ 7. Kf7 Qg7+ 8. Ke8 $18) 2. Ng5 Bf8+ 3. Kh5 Qb2 4. Rc7 Qe2+ 5. Kg6 Qd3+ 6. Bf5 Qxa6+ 7. d6 Nf3 8. Nxf3 Bxd6 $11) ({or} 1. Nf6+ $2 Kh8 2. Rxc5 Nf7+ 3. Kh5 Nxg4 4. Nxg4 Qf5+ 5. Kh4 Qh7+ $11) 1... Kh8 2. Be6 $1 (2. Ng5 $2 Qe1 $1 (2... Nxg4+ $2 3. hxg4 Bf8+ 4. Kh5 Qh1+ 5. Rh3 Qxd5 6. Rf3 $18) 3. Rxc5 Nxg4+ 4. Kh5 Qe2 $11) 2... Nxe6 (2... Ng4+ 3. Bxg4 $1 $18 (3. hxg4 $2 Qh1+ 4. Kg5 Qh2 $1 5. Rxc5 (5. Rf6 Qd2+ 6. Kg6 Qxc3 7. Ng5 Qd3+ $11) 5... Qe5+ 6. Kh4 Qh2+ $11) 3... Nf7+ 4. Kh5 Kxh7 5. Rf6 $1 Kg7 6. Rxf7+ $1 Kxf7 7. Rxc5 Qg6+ (7... Kf6 8. Rc6+ $18) 8. Kh4 Qh6+ 9. Bh5+ $1 $18) 3. dxe6 { with two lines : A)} Qb4 ({B)} 3... Ng4+ 4. hxg4 Bf8+ 5. Kh5 $1 (5. Kg5 $2 Qb5+ 6. Kh4 Kxh7 7. e7 Bxe7+ 8. Nxe7 Qe5 9. Rgc6 Qxe7+ $11) 5... Qh1+ (5... Kxh7 6. Rc7+ Kh8 {e.g.} 7. Rf6 Bg7 8. Rxg7 Kxg7 9. Rf7+ $18) 6. Kg5 Qh2 (6... Kxh7 7. Rc7+ $18) 7. Rf3 $3 ({Try thematic :} 7. Nf6 $2 Bh6+ $1 8. Rxh6+ Qxh6+ $1 9. Kxh6 $11 {stalemate} (9. Kf5 Qg6+ $1 10. Kxg6 $11 {stalemate} (10. Ke5 Qg5+ $1 $11 {draw}))) (7. Rf6 $2 Kxh7 8. Rc7+ Qxc7 9. Rf7+ Qxf7 10. exf7 Kg7 $11) 7... Qe5+ 8. Rf5 Qe3+ 9. Kf6 $1 (9. Kh4 $2 Bb4 10. Rgf6 Be1+ 11. Kh5 Qh3+ 12. Kg5 Bd2+ 13. Rf4 Bxf4+ 14. Rxf4 Kxh7 15. Rf7+ Kh8 16. e7 Qe3+ $11) 9... Qc3+ 10. Kf7 $18) 4. Rg8+ $1 {sacrifice to avoid the stalemate} ({Try thematic :} 4. Rxc5 $2 Qh4+ 5. Rh5 Ng4+ 6. Rxg4 Qf6+ 7. Nxf6 $11 {stalemate}) 4... Kxg8 5. Nf6+ Kh8 (5... Kf8 6. Rxc5 $1 Qxc5 (6... Qh4+ 7. Kg6 Qg3+ 8. Rg5 $18) 7. Nd7+ { fork}) 6. e7 Bxe7 (6... Be3+ 7. Rxe3 Qf4+ 8. Kg6 Qxe3 9. e8=Q+ Qxe8+ 10. Nxe8 $18) 7. Nxe7 Ng4+ (7... Qf4+ 8. Kg6 $18) 8. hxg4 Qf4+ (8... Qxg4 9. Rc8+ $1 Qxc8 10. Ng6# {mate}) 9. g5 $1 ({Try the. :} 9. Kg6 $2 Qxg4+ 10. Nxg4 $11 { stalemate}) 9... Qh2+ (9... Qxf6+ 10. Ng6+ $1 $18) 10. Nh5 $1 Qd6+ 11. Ng6+ $18 {Theme: Elimination of the threat of stalemate in the counterplay of the black} 1-0

SECTION B no theme Draw:

[Event "1.p. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.12.17"] [Round ""] [White "Mario Micaloni & Daniele, Gatti"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5rk1/2p2p2/7K/3R4/6p1/p5B1/6p1/8 w - - 0 1"] [PlyCount "21"] [EventDate "2022"] 
 1. Rg5+ $1 Kh8 2. Bh2 (2. Bf2 $2 Rd8 $1 3. Ra5 Rd6+ $19) 2... g3 $1 (2... Rg8 $2 3. Be5+ $18) ({After} 2... f6 {is the easiest} 3. Rg7 ({or} 3. Rxg4 Rg8 4. Ra4 g1=Q 5. Bxg1 Rxg1 6. Ra8+ Rg8 7. Rxa3 $11) 3... Ra8 4. Rxc7 a2 5. Bd6 { with perpetual check}) 3. Rxg3 (3. Bxg3 $2 g1=Q 4. Be5+ f6 5. Rxg1 fxe5 $19) 3... Rg8 ({JP} 3... a2 4. Ra3 ({or} 4. Rxg2 a1=Q (4... a1=B 5. Bxc7) 5. Be5+ Qxe5 6. Rg8+ Kxg8 {stalemate})) 4. Rxa3 g1=Q $1 ({JP} 4... Rg6+ 5. Kh5 g1=Q 6. Bxg1 Rxg1 7. Rc3 Rg7 8. Kh4 ({or} 8. Rd3 Kg8 9. Rd8+ $1 Kh7 10. Re8 $1 (10. Rd1 $2 f6) 10... f6 11. Re6 $1 Rf7 12. Kg4 $11) (8. Rxc7 $2 Rh7+ 9. Kg5 (9. Kg4 f5+ ) 9... f6+) 8... f6 9. Rc6 $11 {e.g.} Rf7 10. Kg4 f5+ 11. Kf4 Kg7 12. Rc5) 5. Be5+ $1 ({logical try:} 5. Bxg1 $2 Rxg1 $1 6. Ra6 Rg7 {reciprocal zugzwang} ({ JP} 6... Rh1+ {loses time} 7. Kg5 Rc1 8. Kh6 Rh1+ 9. Kg5 Rg1+ 10. Kh6 Rg7) 7. Rc6 Kg8 $1 $19 8. Rxc7 Rh7+ 9. Kg5 f6+ 10. Kxf6 Rxc7 $19) 5... Qg7+ 6. Bxg7+ Rxg7 7. Ra6 $1 {[#]} (7. Ra7 $2 Rg6+ 8. Kh5 Rc6 $19) (7. Rc3 $2 Rg6+ 8. Kh5 c6 $19) 7... Rg1 8. Rc6 $1 (8. Rf6 $2 Kg8 $1 9. Rc6 Rg7 $1 10. Rf6 Kf8 $19) 8... Rg7 9. Ra6 Rg8 (9... Rh7+ 10. Kg5 Kg7 11. Rc6 Kf8 12. Kf5 $11) 10. Rf6 $1 (10. Rc6 $2 Rc8 $1 11. Rf6 Kg8 $1 12. Rc6 Kf8 $19) 10... Rg7 11. Ra6 { positional draw} 1/2-1/2

[Event "2.p. UAPA 19th sec.B.2.draw"] [Site "study with draw"] [Date "2022.12.03"] [Round ""] [White "Peter Krug"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "q7/5R2/1P3P2/6P1/8/4k3/2r1P2K/1R6 w - - 0 1"] [PlyCount "15"] [EventDate "2022"] [TimeControl "300+20"] 
 1. b7 Qb8+ 2. Kh1 $1 (2. Kh3 $2 Rc4 3. Rb3+ (3. Rf8 Qe5 4. Rb3+ Kf2 5. Rf3+ Kg1 6. Rg3+ Kh1 $19) 3... Kf2 4. e4 Rb4 $19) 2... Kf2 $1 (2... Rc4 3. Rh7 Kf2 4. e4 $1 Rxe4 5. Rg1 {/g6=}) 3. Rh7 Rc8 $1 {Unexpected Black counterplay[#]} 4. e3 $3 {Kryje pole f4} ({Try:} 4. e4 $2 Rd8 $1 ({JP} 4... Qe5 $2 5. Rb2+ { see main line} Qxb2 6. Rh2+ Kg3 7. Rh3+ Kf2 8. Rh2+) 5. Rb2+ Kf3 6. Rb3+ (6. Rb1 Qf4 (6... Qe5 {or} 7. Rh2 (7. Rf1+ Ke2) 7... Qxe4) 7. Rh2 Qxe4 $19 {e.g.} 8. Rf1+ Kg3+ ({or} 8... Kg4+) 9. Kg1 Qd4+ $1 (9... Qxb7 $2 10. f7 Qa7+ 11. Kh1 Qa8+ 12. Kg1 Rh8 13. f8=Q Rxf8 14. Rxf8 Qxf8 15. Rg2+ Kh4 16. Rh2+ Kg4 17. Rg2+ Kh5 18. g6 $1) 10. Kh1 (10. Rhf2 Kh3 11. f7 Qe3 12. g6 Qg3+ 13. Kh1 Qxf2 $1 14. Rxf2 Rd1+) 10... Qd5+ 11. Kg1 Qc5+ 12. Kh1 Qc6+ 13. Kg1 Qb6+ 14. Kh1 Qxb7+ 15. Kg1 Rh8) (6. Rh3+ Kg4 7. Kg2 Qf4 {after 4.e3!! this move is not possible} 8. Rf2 Rd2 $18) 6... Kg4 $1 7. Rb1 Rd3 $1 ({JP} 7... Qf4 $2 8. Rg1+ Kf3 9. Rh3+ Kxe4 10. g6 ({or} 10. f7 Kf5 11. g6 {with swapping the order of moves}) 10... Kf5 11. f7 Ke6 (11... Qe4+ 12. Rg2 Ke6 13. g7 Kxf7 14. Kh2 $11) 12. g7 Kxf7 13. g8=Q+ Rxg8 14. Rh7+ Kf8 15. Rxg8+ Kxg8 16. Rd7 $11) 8. g6 Qf4 9. b8=Q Qxe4+ 10. Kg1 Qd4+ 11. Kh1 Qd5+ 12. Kg1 Rg3+ 13. Qxg3+ Kxg3 14. Rh2 Qd4+ 15. Kh1 Qe4+ 16. Kg1 Qxb1#) (4. Rh2+ $2 Qxh2+ 5. Kxh2 Rh8#) ({JP} 4. g6 $2 Qg3 5. Rh2+ Qxh2+ 6. Kxh2 Rh8#) ({JP} 4. bxc8=Q $2 Qxb1+ 5. Kh2 Qg1+ 6. Kh3 Qg3#) 4... Qe5 (4... Rd8 5. Rb2+ Kf3 6. Rh3+ Kg4 7. Kg2 $11 {because Blackâ []s move Qf4 is impossible.} ) 5. Rb2+ $1 (5. bxc8=Q $2 Qe4+ 6. Kh2 Qg2#) 5... Qxb2 6. Rh2+ Kg3 7. Rh3+ $1 Kf2 (7... Kxh3 8. bxc8=Q+ $11) 8. Rh2+ $11 {positional draw} 1/2-1/2

[Event "3.p. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.09.07"] [Round ""] [White "Oleg Pervakov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3b4/4kP1B/8/3PN1PK/8/8/5p2/1b6 w - - 0 1"] [PlyCount "24"] [EventDate "2022"] 
 {JP - Ã_|vod je ponÄ kud tÄ Å3/4kopÃ!dnÃ1/2, ale remÃ^^za dosti neÄxekanÃ!} 1. d6+ ({JP} 1. Kh6 Bc7 $1) 1... Kf8 2. g6 (2. Bg6 $2 Kg7 $1 3. Nd7 Bxg6+ $19) 2... f1=Q (2... Bf5 3. Kh6 Bg5+ (3... Bf6 4. d7 $11) 4. Kxg5 f1=Q 5. d7 $11) 3. Nd7+ Kg7 4. f8=Q+ Qxf8 5. Nxf8 Bf5 $1 {[#] Domination? Yes. And at the same time, no! If you remove all white pieces from the board, white will be stalemated. Here is how to carry out such a suicide:} 6. d7 Be7 7. Bg8 $1 Kxg8 8. g7 $1 Bd8 (8... Bf6 9. Kh6 $1 Bxg7+ 10. Kg5 $11) (8... Kxg7 { shortens the solution} 9. d8=Q Bxd8 10. Ne6+ Bxe6) 9. Kh6 Bf6 {[#]} 10. Kh5 $1 {Unexpected positional draw} Kxg7 11. d8=Q (11. Ne6+ $2 Bxe6 12. d8=Q Bf7+ $1 $19) 11... Bxd8 12. Ne6+ $1 {only this move is known} Bxe6 { Ideal mirror stalemate} 1/2-1/2

[Event "2.hm. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.11"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/1N6/4r3/4P3/7K/5Rn1/k7/3r4 w - - 0 1"] [PlyCount "19"] [EventDate "2022"] 
 1. Rf2+ $1 {White can capture on g3, but then he will lose b7 knight} (1. Kxg3 $2 Rxe5 2. Rf6 Red5 3. Rc6 Rf1 4. Kg2 Rf7 5. Nc5 Rg5+ $19) (1. Rxg3 $2 Rxe5 $19 ) 1... Ka3 2. Rf3+ Kb2 3. Rf2+ Kc3 (3... Kc1 4. Kxg3 Rxe5 5. Rf6 Red5 6. Rc6+ Kb2 7. Nc5 $11) (3... Kb1 4. Kxg3 Rxe5 5. Rf6 Red5 6. Kf3 {/f4=}) 4. Rf3+ Kb4 $1 (4... Kc4 5. Nd6+ Kd5 6. Kxg3 $11) ({JP} 4... Kd4 5. Kxg3 Kxe5 (5... Rxe5 6. Nd6) 6. Nc5 $1 Red6 7. Rf8 $1 Kd5 (7... Rc6 8. Re8+) 8. Nb3 $1 Kc4 (8... Rd3+ 9. Rf3 Kc4 10. Nc1 $11) 9. Nc1 $1) 5. Rf4+ $1 (5. Kxg3 $2 Rxe5 6. Rf6 Red5 $19) 5... Ne4 $1 {Black has no other way to escape with king} 6. Rxe4+ Kb5 7. Kg5 $1 (7. Re3 $2 Rd7 8. Rb3+ Kc4 $1 9. Na5+ Kd4 {JP} 10. Kg3 (10. Kg4 Rf7 $19) 10... Ra7 11. Ra3 Kd5 $1 12. Kf2 Rxe5 $1 13. Rd3+ Kc5 14. Nb3+ Kc4 15. Nc1 Ra1 16. Rd1 Rh5 17. Kf3 Rh2 18. Rd8 Ra3+ 19. Kg4 Re3 $1 $19) ({now} 7. Nd6+ $2 Rdxd6 $19) ({JP} 7. Kg4 $2 Re7 $1 (7... Kc6 $2 8. Na5+ Kd5 9. Kf3 $1) 8. e6 Rd5 $1) 7... Kc6 (7... Rd7 8. Kf5 $1 Re8 9. Nd6+ $11) (7... Re7 8. e6 $1 $11) 8. Nd6 $1 (8. Na5+ $2 Kd5 $19) ({JP} 8. Kf5 $2 Kd5 9. Nd6 Rf1+ 10. Kg5 Rxd6 $1 11. exd6 Kxe4) 8... Rdxd6 {[#]} 9. Kf5 $1 {now d6 is attacked, but can't be moved} Kd5 10. exd6 $1 $11 {e4 rook can't be captured} 1/2-1/2

[Event "3.hm. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.10.22"] [Round ""] [White "Jan Timman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/7p/2P4k/b3pb2/B2n1p1K/6B1/4N1P1/4R3 w - - 0 1"] [PlyCount "29"] [EventDate "2022"] 
 1. c7 $1 (1. Bxf4+ $2 exf4 2. g4 Bxe1+ 3. Kh3 Nxe2 4. gxf5 Ba5 $19) 1... Nf3+ $1 (1... Bxc7 2. Bxf4+ exf4 3. Nxf4 $11) (1... Bb4 2. Bxf4+ exf4 3. g4 $1 Bxe1+ 4. Kh3 $11) 2. gxf3 Bb4 3. c8=N $1 {Starting to play for stalemate} (3. c8=Q $2 Be7#) 3... Bxc8 4. Bd7 $1 (4. Bxf4+ $2 exf4 5. Bd7 Bxe1+ 6. Kg4 Bxd7+ $19) 4... Bxd7 5. Bxf4+ exf4 6. Nc3 $1 (6. Ng3 $2 Ba5 ({JP: or} 6... Bc3 7. Nf5+ Bxf5 8. Re6+ Bg6) 7. Re7 Bd8 8. Nf5+ Kg6 $19) 6... Ba5 $1 (6... Bxc3 7. Re6+ Bxe6 $11 { stalemate} (7... Kg7 8. Re7+ $11)) (6... Bc5 7. Re2 Bb6 8. Nd5 $11) 7. Re7 $1 Bd8 8. Nd5 Bc8 {[#]} (8... Be6 9. Nf6 Bxe7 $11 {stalemate}) ({or} 8... Bc6 9. Kg4 $11) 9. Nf6 Kg6 (9... Bxe7 $11 {stalemate}) 10. Nd5 {positional draw} Bb7 ( 10... h5 11. Nxf4+ Kf5 12. Nd5 $11) ({JP} 10... Bd7 11. Nxf4+ $1 (11. Nf6 $2 Bc6 $19) 11... Kf5 12. Nd5 Bxe7+ 13. Nxe7+ Ke6 14. Ng8 $11) 11. Kg4 Bxd5 (11... Bxe7 12. Nxe7+ Kf6 13. Ng8+ Ke5 ({JP} 13... Kf7 14. Nh6+ Kg6 15. Ng8) 14. Ne7 $1 $11 {positional draw}) 12. Ra7 $1 h5+ (12... Bg5 13. Ra6+ $11) 13. Kxf4 h4 ( 13... Bg5+ 14. Kg3 $11) 14. Ra6+ $1 ({Try:} 14. Ra3 $2 Bg5+ $1 (14... Be7 $2 15. Ra6+ Kh5 16. Ke3 Bc5+ 17. Kf4 Bb4 18. Ke3 h3 19. Kf2 Be1+ 20. Kg1 $11) ({JP } 14... Bb7 15. Rb3 Bd5 16. Ra3 {with repetition}) 15. Ke5 (15. Kg4 Be6#) 15... Bc4 $1 (15... Bb7 $2 16. Rb3 Bc8 (16... Ba8 17. Ra3 Bc6 18. Ra6 Bf6+ 19. Kf4 $11) 17. f4 Bd8 18. Ke4 Bd7 19. Kf3 Kf5 20. Rc3 Bb6 21. Rc2 {/c1} Be6 22. Rd2 $11) 16. Ke4 (16. f4 Be7 17. f5+ Kg5 $19) 16... Bb5 $1 (16... Bf1 $2 17. f4 Bg2+ 18. Ke3 Bf6 19. Kf2 $11) (16... Kh5 $2 17. f4 Bf6 18. Ra4 Be2 19. Ke3 Bd1 20. Ra5+ Kg4 21. Ra6 Be7 22. Rg6+ Kf5 23. Rg7 Bc5+ 24. Kd2 $11) 17. f4 (17. Rc3 Bd7 18. f4 Bf6 19. Rc1 Bg4 20. Ke3 h3 21. Kf2 Bh4+ 22. Kg1 Bg3 $19) 17... Bc6+ 18. Ke3 Bf6 19. Ra6 Bb7 20. Ra7 Bh1 21. Ra5 Bd8 22. Ra1 (22. Re5 Bb7 23. Rb5 Bc6 24. Re5 Bf6 25. Re6 Ba8 26. Ra6 (26. Kf2 Kf5 $19) 26... h3) 22... Bb7 23. Rb1 (23. Rd1 Bb6+ 24. Ke2 Kf5 25. Rb1 Ba6+ $19) 23... Bc6 24. Rc1 Bb6+ 25. Ke2 Be4 26. Rc4 Bd5 $19) (14. Kg4 Be6+ 15. Kf4 Bc8) 14... Kh5 15. Ke3 $1 $11 { positional draw} 1/2-1/2

[Event "c. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.08.28"] [Round ""] [White "Jan Timman & Mario Garcia"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/2N5/8/8/1b1P3p/3k1K2/4n3/8 w - - 0 1"] [PlyCount "21"] [EventDate "2022"] 
 1. Kg4 Be7 (1... Be1 2. Ne6 Ke3 3. d5 $11) 2. d5 $1 (2. Nd5 $2 Bd8 3. Nf4+ Nxf4 4. Kxf4 Ke2 $1 5. Kg4 Kf2 6. Kh3 Kg1 $19) (2. Ne6 $2 Ke4 3. d5 Ke5 4. d6 Kxd6 5. Nf4 Nd4 {/g3-+ JP} ({JP} 5... Ng3 6. Ng2 Nf5 7. Kxf5 h3 $19) 6. Ng6 Nf5 7. Kxf5 h3 $19) 2... Ke4 ({main 1:} 2... Ke3 3. Ne6 Bf6 (3... Ke4 4. d6 $11) 4. d6 Ng3 5. Nf4 $1 ({JP} 5. d7 $2 Ne4 $1 6. d8=Q Nf2+) 5... Ke4 6. Ng6 Nf5 7. Kh3 $1 (7. d7 $2 Bd8 $1 {zz} 8. Kh3 Kd5 $1 9. Kg4 Kd6 10. Nf8 Ne7 $19 {JP} 11. Kh3 Ke5 12. Kg4 h3 {with the capture of the white knight}) 7... Kf3 ({JP} 7... Kd5 8. Ne7+ $11) 8. d7 Ke4 {[#]} 9. Nh8 $1 Nd6 (9... Kd5 10. Nf7 $11) 10. Ng6 $11 { positional draw}) (2... Nc3 3. d6 Bxd6 4. Ne6 Bg3 5. Nf4+ $11) 3. d6 $1 (3. Ne6 $2 Ke5 {see 2.Ne6?}) 3... Bxd6 4. Ne6 Be7 {[#]} 5. Nf4 $1 Ng1 $1 ({main 2:}  5... Nxf4 $11 {ideal stalemate}) 6. Nh3 $1 Nf3 ({JP} 6... Ne2 7. Nf4 $1 { with repetition}) 7. Nf2+ Ke3 8. Nd1+ Ke2 9. Nc3+ Kf2 10. Nd1+ Kg2 11. Ne3+ $11 {positional draw} 1/2-1/2

[Event "c. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022.11"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3R3R/7n/8/8/8/2k2r2/4Kp1p/8 w - - 0 1"] [PlyCount "25"] [EventDate "2022"] 
 1. Rc8+ Kd4 2. Rcd8+ Ke5 3. Rde8+ Kf6 (3... Kf4 {see 7...Kf7}) 4. Ref8+ $1 Ke6 (4... Nxf8 5. Kf1 $1 Ng6 6. Rxh2 Ne5 7. Rxf2) ({JP} 4... Kg7 5. Rhg8+ Kh6 6. Rxf3 h1=Q 7. Kxf2 $11) 5. Re8+ Kd5 6. Rd8+ Ke4 7. Rde8+ Kf4 8. Ref8+ $1 Nxf8 ({ JP} 8... Kg4 9. Rfg8+ Kf4 10. Rf8+ Kg5 11. Rxf3 h1=Q 12. Rg8+ $11) 9. Kf1 $1 ( 9. Rxf8+ $19) 9... Ke3 (9... Kg4 10. Rxh2 $1 $11 (10. Rg8+ $2 Ng6 11. Rxg6+ Kh5 )) (9... Kg3 10. Rg8+ $1 Ng6 11. Rxg6+ Kf4 12. Rh6 Kg3 13. Rg6+ { Positional draw}) (9... Ne6 10. Rxh2 Ke3 {as main}) (9... Nd7 10. Rxh2 Ke3 { as main}) 10. Rxh2 Ne6 (10... Nd7 11. Rg2 $1 Ne5 12. Rg3 $1 { zz Black is in Zugzwang, if white to move he is lost} Nc4 13. Rxf3+ Kxf3) 11. Rg2 $1 Nd4 {[#]} (11... Nc5 12. Rg3 $1 $11) (11... Rf7 12. Rg3+ Kd2 13. Rg2 $11 ) 12. Rg3 $1 {zz Black is in Zugzwang, if white to move he is lost!} Nf5 13. Rxf3+ 1/2-1/2

[Event "c. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022"] [Round ""] [White "Jarl Henning Ulrichsen"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "k1K5/8/2p5/8/8/2P5/Pb6/8 w - - 0 1"] [PlyCount "43"] [EventDate "2022"] 
 {White draws by winning the opposition and keeping the black king on the edge of the board.} 1. Kc7 (1. c4 $2 c5 {loses for White. Black protects his pawn from d4 and wins the white pawn on a2 in a few moves.}) 1... c5 2. Kc6 $1 (2. Kb6 $2 {loses} Ba3 3. Ka6 ({(After} 3. c4 Kb8 { Black has the opposition and his king will escape from its prison.)}) 3... Kb8 4. Kb6 Kc8 5. Kc6 Kd8 6. Kd6 Ke8 7. Ke6 Kf8 8. Kf6 Bb2 9. Ke6 Bxc3 10. Kd5 Bd4 $19) 2... Ba3 { Now the black bishop is pacified and cannot take part in the struggle.} 3. Kb6 Kb8 4. c4 {Now White has the opposition.} Kc8 (4... Bb4 5. a4 $11) (4... Ka8 5. Ka6 {is a loss of time.}) 5. Kc6 Kd8 6. Kd6 Ke8 7. Ke6 Kf8 8. Kf6 Kg8 {[#]} ( 8... Bb2+ 9. Ke6 Ke8 {and e.g.} 10. a4 {draws.}) 9. Ke6 $1 { diagonal opposition.} ({Not} 9. Kg6 $2 Bb2 10. a4 Bc3 11. Kf5 Kf7 $19) 9... Kg7 10. Ke7 Kg6 11. Ke6 Kg5 12. Ke5 Kg4 13. Ke4 Kg3 14. Ke3 Kg2 15. Ke2 Kg1 16. Ke1 Kg2 17. Ke2 Kg3 18. Ke3 Kh4 19. Kf4 {!} ({After} 19. Ke4 $2 Kg4 { Black has the opposition and wins..}) 19... Kh5 20. Kf5 Kh6 21. Kf6 Kh7 22. Kf7 $11 1/2-1/2

[Event "sp.p. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022"] [Round ""] [White "Michal Hlinka & Lubos Kekely"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5b2/7n/3Pk3/8/5K2/R3p3/P7/2B4r w - - 0 1"] [PlyCount "27"] [EventDate "2022"] 
 {after Hlinka+Tazberik 1997} 1. d7 $1 (1. Rxe3+ $2 Kd7 2. Rc3 Rxc1 $19) 1... Kxd7 (1... Bd6+ 2. Kxe3 Kxd7 3. Ra7+ Ke6 4. Kd3 Nf6 5. Bd2 Nd7 6. Bc3 Rh4 7. a3 Nc5+ 8. Ke2 Rh2+ 9. Ke3 Rh3+ 10. Kd4 Rh4+ 11. Ke3 Kd5 12. Bb4 Bf4+ 13. Kf3 Ne6 14. Rd7+ Kc6 15. Rd1 $11) 2. Ra7+ (2. Rd3+ $2 Bd6+ $19) 2... Kc8 (2... Ke6 3. Bxe3 Bd6+ ({JP} 3... Bh6+ 4. Kf3 Rh3+ 5. Kg4 Bxe3 6. Ra6+) 4. Kf3 Rh3+ 5. Kg2 Rg3+ 6. Kf1 Nf6 7. Bd2 $11) ({JP} 2... Kc6 3. Bxe3 Bh6+ 4. Ke4 $1 (4. Kf3 $2 Rh3+ 5. Kg4 Bxe3 6. Ra3 Ng5 $19) 4... Nf6+ 5. Kd3 Rh3 6. Ra6+ { proto krÃ!l ustupuje na c8}) 3. Bxe3 Bh6+ 4. Kf3 $1 (4. Ke4 $2 Nf6+ 5. Kd3 Rh3 6. Re7 Nd5 $19) 4... Rh3+ 5. Kg4 $1 (5. Kg2 $2 Bxe3 $19) 5... Bxe3 (5... Rxe3 6. Rxh7 $11) 6. Ra8+ $1 (6. Ra3 $2 Ng5 7. Rb3 (7. Rd3 Ne4 $19) 7... Kd7 8. a4 Ke6 9. a5 Kf6 10. a6 Rf3 11. a7 Rf4+ 12. Kg3 Ne4+ 13. Kg2 Bxa7) 6... Kb7 7. Ra3 (7. Kxh3 $2 Kxa8 $19) 7... Ng5 8. Rb3+ (8. Rc3 $2 Kb6 $19) (8. Rd3 $2 Kc6 9. a4 Ne4 $19) 8... Ka7 $1 {[#]} (8... Ka6 9. a4 $1 {as main}) (8... Kc6 9. a4 Rf3 10. a5 Kc5 11. a6 $11) 9. a3 $1 { zz JP - bÃ^^lÃ1/2 musÃ^^ drÅ3/4et ÄxernÃ ho krÃ!le odÅ[]Ã^^znutÃ ho} (9. a4 $2 Ka6 $1 {zz} 10. Ra3 Ka5 $19) 9... Ka6 (9... Rf3 10. a4 Ka6 11. Rd3 $1 Kb6 12. Rb3+ $1 Ka6 13. Rd3 Rh3 14. Rb3 $1 $11 {zz}) 10. a4 $1 {zz} Ka7 { JP aÅ3/4 tahle pozice vznikla v TazberÃ^^k - Hlinka} (10... Rf3 11. Rd3 { as after 9...Rf3}) 11. a5 (11. Rd3 $2 Kb6 $19) 11... Ka6 12. Ra3 $1 {zz} (12. Rd3 $2 Ne4 $1 13. Kxh3 Nf2+) 12... Rf3 (12... Kb5 13. a6 $11) 13. Rd3 { tenhle tah funguje pouze kdyÅ3/4 je ÄxVf3 (pÅ[]i ÄxVh3 by rozhodlo Je4!} (13. Rc3 $2 Kxa5 $19) 13... Kxa5 14. Rd5+ {with next Rxg5} 1/2-1/2

[Event "sp.c. UAPA 19th sec.B.2.draw"] [Site ""] [Date "2022"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2B5/r1p5/8/RK2PN1b/8/5k2/Pp6/8 w - - 0 1"] [PlyCount "18"] [EventDate "2022"] 
 {The study participated in 20th Greek Chess Solving Championship, 2022} 1. Nd4+ (1. Nh4+ $2 Ke3 2. Bf5 Be2+ $19 {and Bd3 later}) 1... Ke3 (1... Kf4 2. Bf5 $11) 2. Nc2+ $1 (2. Bf5 $2 Be8+ $1 3. Kb4 Rxa5 4. Kxa5 Kxd4 5. Kb4 Bf7 6. Ka3 Kc3 $19 {dÃ!le analÃ1/2za JP} 7. Be4 Be6 8. Bg6 c5 (8... c6 9. Be4 Bg4 10. Bg6 (10. Bh7 Bd1 11. e6 Bc2 12. Bxc2 Kxc2 13. e7 b1=Q 14. e8=Q Qb2+ 15. Ka4 Qb5+ (15... Qd4+ 16. Ka5 Qa7+ 17. Kb4 Qb6+ 18. Kc4 Qb5+ 19. Kd4 c5+) 16. Ka3 Qa5#) 10... Bd1 11. e6 Bc2 12. Bxc2) 9. Be4 Bg4 10. Bg6 Bd1 11. e6 Bc2 12. Bxc2 Kxc2 13. e7 b1=Q 14. e8=Q Qb4#) 2... Ke4 (2... Kd2 3. Na3 Be8+ 4. Kb4 c5+ 5. Rxc5 Rxa3 6. Bf5 $11) ({or} 2... Kf4 3. Na3 Be8+ 4. Kb4 c5+ $1 5. Rxc5 Rxa3 6. Rc4+ Kg5 ( 6... Kxe5 {as main line}) 7. Rg4+ Kh5 8. Rg1 $11) 3. Na3 Be8+ 4. Kb4 c5+ $1 5. Rxc5 Rxa3 $1 {[#]} 6. Rc4+ $1 Kxe5 (6... Ke3 7. Bf5 $11) 7. Re4+ $1 (7. Rc5+ $2 Kd6 8. Bf5 Ra4+ $19) 7... Kxe4 8. Kxa3 ({JP} 8. Bf5+ $2 Kxf5 (8... Kd4 9. Kxa3 Kc3) 9. Kxa3 b1=N+) 8... b1=R (8... b1=Q 9. Bf5+ Kxf5 $11) 9. Bf5+ $1 Kxf5 $11 {Model Stalemate} 1/2-1/2