www.arves.org - UAPA 21st 2023

Studies awarded for the 21st UAPA 2023 tournament.

Section A Theme: "In the study a white key-move has also a try on the same square".

[Event "1.p-3.p UAPA 21th Ty Sec A (tt)"] [Site ""] [Date "2023"] [Round ""] [White "Serhiy Didukh"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/3P4/3b4/2p1pN2/2PRP1pp/1BP5/r3k2K w - - 0 1"] [PlyCount "18"] [EventDate "2023"] 
 1. Rd2 $1 (1. Rxd5 $2 Kf2+ 2. Bxa1 g2+ $19) 1... Rb1 2. Bc1 $1 ({Logical try:}  2. Re2+ $2 Kf1 3. d7 Be6 $1 4. d8=Q Bg4 5. Qd2 Bf3+ 6. Rg2 (6. Ng2 Bxe2 $1) 6... hxg2+ 7. Nxg2 Rd1 8. Qxd1+ Bxd1 9. Ba3 Bf3 10. Bd6 Bxg2# $1 (10... Kf2 $2 11. Bxg3+ $1 Kxg3 12. Kg1 Bxg2 {stalemate.})) 2... Rxc1 3. Re2+ Kf1 4. d7 Be6 5. d8=Q Bg4 6. Qd2 Bf3+ 7. Rg2 $1 {(thematic move)} (7. Ng2 $2 hxg2+ (7... Bxe2 $2 8. Qxc1+) 8. Rxg2 Re1 $1 (8... Ra1 $2 9. Qc1+ $1) 9. Qxe1+ Kxe1 10. Kg1 Bxg2 $19) 7... hxg2+ 8. Nxg2 Rd1 9. Qe1+ $1 Rxe1 {stalemate. The excessive tension of the initial position is redeemed by good logic, accurate play of pieces and the most beautiful thematic choice of the tournament - 7.Rg2!/7.Ng2? The inventive duel between the sides ends with a stalemate, which White was aiming for from the very beginning.} 1/2-1/2

[Event "1.p-3.p UAPA 21th Ty Sec A (tt)"] [Site ""] [Date "2023"] [Round ""] [White "Oleg Pervakov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6K1/1n2Np2/2p2kP1/p3n3/2p1pN2/6P1/3P1P1P/3b4 w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 
 1. g7 e3 $1 (1... c3 2. Kh8 $1 c2 (2... e3 3. g8=Q Kxe7 4. Qg7 Nc4 5. dxe3 c2 6. Qc3 $18) 3. Ng8+ $1 Kf5 (3... Kg5 4. Nh6 Ng6+ 5. Nxg6 $18) 4. Nh6+ Kf6 5. g8=N+ Kg5 6. h4# $1) 2. fxe3 $1 {Thematic move} (2. dxe3 $2 c3 3. Kh8 c2 4. g8=Q (4. Ng8+ Kf5 5. Nh6+ Ke4 $1 $11) 4... Kxe7 $1 5. Qg5+ f6 6. Qg7+ Ke8 7. Qg8+ Kd7 $1 8. Ne2 Bxe2 9. Qh7+ Nf7+ $1 10. Qxf7+ Kc8 11. Qf8+ Kc7 12. Qa3 Bd3 13. h4 a4 14. Kg7 Na5 15. h5 Nb3 $11) 2... c3 $1 3. dxc3 Nd6 4. Kh7 $1 ({ Logical try:} 4. Kh8 $2 Ng6+ 5. Nfxg6 fxg6 6. Ng8+ $6 (6. g8=Q Nf7+ 7. Kh7 Ng5+ 8. Kh6 Nf7+ $11 {Perpetual check, or} 9. Qxf7+ Kxf7 10. Nxc6 a4 $11) 6... Ke5 $1 7. Nh6 Bb3 8. Ng4+ Kf5 {(e4)-+}) 4... Bc2+ 5. e4 $1 Bxe4+ 6. Kh8 Ng6+ (6... Kxe7 7. g8=Q Ne8 8. Qg5+ f6 9. Qh5 $1 a4 10. Kg8 Bc2 11. Qe2 Bb3+ 12. Kh7 a3 13. Ng6+ Kd6 14. Qd2+ Kc7 15. Nxe5 fxe5 16. Qe3 $18) 7. Nfxg6 $1 {Thematic move } (7. Nexg6 $2 fxg6 8. g8=Q Nf7+ 9. Kh7 Ng5+ $1 10. Kh6 Nf7+ $11 { Perpetual check}) 7... fxg6 8. Ng8+ $1 {Thematic move} (8. g8=Q $2 Nf7+ 9. Kh7 Ng5+ $1 10. Kh6 Nf7+ $11 {Perpetual check}) 8... Ke5 9. Nh6 $1 Bd5 10. Ng4+ Kf5 (10... Ke4 11. Nf6+ Kf5 12. Nxd5 $18) 11. Ne3+ Kf6 12. Nxd5+ $18 {The most dari ng study of the competition - white must make the correct choice three times on the 2nd, 7th and 8th moves.} 1-0

[Event "1.p-3.p UAPA 21th Ty Sec A (tt)"] [Site ""] [Date "2023"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1Bq5/5P2/6k1/8/6P1/2r3p1/8/2R1K2R w K - 0 1"] [PlyCount "28"] [EventDate "2023"] 
 1. f8=N+ $1 Kg5 (1... Kf6 2. O-O+ Kg5 {as main}) 2. Nh7+ $1 Kg6 (2... Kxg4 3. Nf6+ Kf5 4. O-O+ $1 Kg6 5. Rxc3 Qxc3 $11) 3. Nf8+ $1 Kf6 4. O-O+ $1 ({ Thematic try:} 4. Rf1+ Kg5 $1 5. Kd2 Rxc1 6. Bf4+ Kxg4 $19) (4. Nd7+ $2 Kg5 $1 $19) (4. Nh7+ $2 Ke7 $1 5. Rxc3 Qxc3+ $19) 4... Kg5 5. Bxg3 $1 (5. Rxc3 $2 Qxc3 6. Ne6+ Kh4 $1 $19) (5. Bf4+ $2 Kxg4 $19) 5... Rxg3+ (5... Rxc1 6. Bf4+ $1 $11) 6. Kh2 Qxg4 7. Ne6+ $1 (7. Rc5+ $2 Kh4 $19) 7... Kh4 $1 (7... Kg6 8. Nf4+ $11) 8. Nf4 $1 ({Thematic try:} 8. Rf4 $2 Rh3#) 8... Rg1 $1 9. Ng6+ $1 ({ Thematic try (regular):} 9. Rxg1 $2 Qxf4+ 10. Kh1 Qf3+ $1 11. Rg2 Kh3 12. Rcc2 Qd1+ $19) 9... Qxg6 10. Rxg1 Qd3 $1 (10... Qd6+ 11. Kh1 Qd5+ 12. Rg2 $1 (12. Kh2 $2 Qd2+ 13. Kh1 Kh3 $19)) 11. Rge1 $1 Qd2+ (11... Qg3+ 12. Kh1 Kh3 13. Rc3 $1 Qxc3 14. Re3+ $1 Qxe3 {stalemate}) 12. Kh1 Kh3 13. Rc3+ $1 Qxc3 14. Re3+ $1 Qxe3 $11 {stalemate. An attractive work with a weak pawn promotion and castling. A center of the study is a thematic choice of 8.Nf4!, leading to a stalemate ending with two original sacrifices of white rooks, instead of checkmate 8. Rf4? Rh3#} 1/2-1/2

[Event "1. hm. UAPA 21th Ty Sec A (tt)"] [Site ""] [Date "2023"] [Round ""] [White "Alain Pallier"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2rPQ3/K3P3/4n3/P1P3P1/2P3pP/3r1Nk1/1n6 w - - 0 1"] [PlyCount "21"] [EventDate "2023"] 
 1. Ne4 $1 Rb2 $1 (1... Nxd7 2. exd7 Rdxd7 3. Qe5 Kf3 4. Ng5+ Kf2 5. Qf4+ $18) 2. d8=Q Rc6+ 3. Ka7 Rxc4 4. Qde8 $1 ({Thematic try:} 4. Qee8 $2 Rxe4 5. Qa8 (5. e7 Kh2 6. Qc7 g2 7. Qec6 g1=Q+ 8. Ka6 Qf1+ 9. c4 Qf4 $1 10. Qxe4 (10. Qe6 Nd2 11. e8=Q Ndxc4 12. Qf5 Rb6+ 13. Qxb6 Qxf5 14. gxf5 Nxb6 15. a5 Nbd7 16. Qe7 Ra4 17. f6 Kxh3 18. Qh7+ Kg4 19. Kb5 Rxa5+ 20. Kxa5 Nxf6 $11) 10... Qxe4 11. e8=Q Kg2 12. Qexe5 Qa8+ 13. Qa7 Qc8+ 14. Ka5 Qd8+ 15. Qec7 Qd2+ 16. Ka6 Qh6+ 17. Qcb6 Rxb6+ 18. Qxb6 Qf4 19. Qc6+ (19. Qxb1 Qxc4+ $11) 19... Kg3 20. g5 Nd2 21. g6 Nxc4 22. g7 Qf7 $11) 5... Nxc3 $1 6. e7 Kh2 7. Qxe4 Nxe4 8. Qh8 Nc6+ 9. Ka8 Ra2 $11) 4... Rxe4 5. Qa8 $1 (5. Qc7 $2 Kh2 6. Ka6 (6. e7 g2 7. Qec6 g1=Q+ $11 {see 4.Qee8?}) 6... g2 7. Qec6 Nxc3 8. Qxe4 Nxe4 9. Qxe5+ Kxh3 10. Qxb2 g1=Q $11) 5... Nxc3 (5... Rbe2 6. Qeb7 $18) 6. Qa3 $1 (6. Qc5 $2 Nf3 $1 7. a5 Nb5+ $11) (6. Qc7 $2 Nf3 $1 7. Qxe4 Nxe4 8. e7 Nf6 9. Qc3 Re2 10. Qxf6 Kf2 $11) 6... Rbe2 (6... Rbb4) 7. Qxc3 Kh2 8. Qxe4 $1 (8. Kb7 $2 g2 $11) (8. Qc2 $2 g2 $1 ( 8... Rxc2 $2 9. Qxe4 $18) 9. Qaxe4 Rxe4 10. Qxe4 g1=Q+ $11) 8... Rxe4 9. e7 (9. Qc2+ $2 g2 10. Qxe4 g1=Q+ $11) 9... Nxg4 $1 (9... Ng6 10. Qc2+ g2 11. Qxe4 g1=Q+ 12. Ka6 $1 Qf1+ 13. Ka5 Nxe7 14. Qxe7 $18) 10. Qc2+ $1 (10. hxg4 $2 Rxe7+ ) 10... Nf2 11. Qxe4 $1 $18 {Thematic choice between White/^s two queens and their echo sacrifices in the e4 square.} (11. Qc7 $2 Rxa4+ $11) 1-0

Section B1 No Theme Win studies

[Event "1.p UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Oleg Pervakov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "Q4N2/8/8/8/b4P1k/3p3P/3Kp2n/8 w - - 0 1"] [PlyCount "27"] [EventDate "2023"] 
 1. Ng6+ $1 ({Thematic try} 1. Ke1 $2 Kg3 $1 $19) (1. Qd8+ $2 Kg3 $1 2. Qxd3+ Nf3+ 3. Kxe2 Bb5 $1 4. Qxb5 Nd4+ $11) (1. Qxa4 $2 Nf3+ 2. Kxd3 e1=Q $11) (1. Qg2 $2 Nf1+ 2. Kxd3 e1=N+ $1 $11) 1... Kg3 2. Nh4 $1 (2. Ne5 $2 Nf1+ 3. Kxd3 e1=Q 4. Qf3+ Kh2 $1 $11) 2... Kxh4 (2... Nf1+ 3. Kxd3 Bb5+ 4. Kd4 e1=Q 5. Qf3+ Kh2 (5... Kxh4 6. Qg4#) 6. Qg2#) 3. Ke1 $1 Bc6 $1 (3... Kg3 4. Qg8+ { (no knight f8)} Kf3 5. Qd5+ Kg3 6. Qg5+ Kf3 (6... Kxh3 7. Qh5+ Kg3 8. Qg6+ $1 Kxf4 9. Qd6+ $18) 7. Qh5+ Kg3 8. Qg6+ $1 Kh4 9. Qg2 $18) (3... Nf1 4. Qd8+ Kg3 5. Qxd3+ $18) 4. Qh8+ $1 ({Thematic try} 4. Qxc6 $2 Nf3+ $1 5. Qxf3 d2+ 6. Kxd2 (6. Kxe2 d1=Q+ 7. Kxd1 $11) 6... e1=Q+ 7. Kxe1 $11 {Stalemate}) ({Try} 4. Qd8+ $2 Kxh3 $1 5. Qh8+ Kg3 6. Qg8+ Ng4 $1 7. Qe6 Kxf4 8. Qxc6 Ne3 $1 $11) 4... Kg3 5. Qg7+ $1 (5. Qg8+ $2 Kf3 $1 6. Qg1 (6. f5 $2 d2+ $1 7. Kxd2 Kf2 $19) 6... Nf1 $1 7. Qf2+ Ke4 $11) 5... Kxh3 (5... Kf3 6. f5 d2+ 7. Kxd2 Kf2 8. Qd4+ $18) ( 5... Kh4 6. Kf2 $18) 6. Qh6+ ({Or} 6. Qh7+) 6... Kg3 7. Qg6+ $1 Kh4 $1 8. Qxc6 (8. Kf2 $2 Nf3 $11) 8... Nf3+ $1 9. Qxf3 d2+ 10. Kf2 $3 e1=Q+ 11. Kg2 Qe2+ $1 ( 11... d1=Q 12. Qh3# $1 {(no pawn h3)}) (11... Qe6 12. Qg3+ Kh5 13. Qg5#) 12. Qxe2 d1=Q 13. Qe7+ $1 (13. Qxd1 $2 $11 {Stalemate}) 13... Kh5 14. Qg5# { Theme of annihalation (active and passive) realized twice} 1-0

[Event "3.p UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Eduard Eilazyan"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7B/8/8/N2p4/K2Pp1P1/3p2k1/3P4/b7 w - - 0 1"] [PlyCount "27"] [EventDate "2023"] 
 1. Nb3 $1 Bc3 {Black bishop's sacrifice.} (1... Kxg4 2. Kb4 $1 $18) 2. g5 $1 { Refusal to capture the bishop.} (2. dxc3 $2 e3 $19) 2... Bxd2 $1 { One more bishop's sacrifice.} 3. g6 $1 {And again, the refusal to capture} (3. Nxd2 $2 e3 $19) 3... Bh6 4. g7 $1 Bxg7 5. Bxg7 e3 6. Bh6 $1 d2 $1 (6... e2 7. Bd2 $18) 7. Nxd2 e2 8. Bg5 $1 (8. Nf3 $2 Kxf3 9. Bd2 Ke4 $11) 8... Kg4 (8... e1=Q 9. Bh4+ Kxh4 10. Nf3+) 9. Bh4 $1 {White bishop's sacrifice.} (9. Nf3 $2 Kxf3 10. Bh4 Ke3 $11) 9... Kxh4 10. Nf3+ Kg4 11. Ne1 Kf4 12. Kb4 $1 { (Reti theme)} ({Try-1:} 12. Kb5 $2 Ke3 $1 (12... Ke4 $2 13. Kc5 Ke3 14. Kxd5 $18) 13. Kc5 Ke4 14. Nc2 Kd3 15. Ne1+ Ke4 16. Ng2 Kf3 17. Ne1+ Ke4 { Positional draw.}) ({Try-2:} 12. Kb3 $2 Ke4 $1 (12... Ke3 $2 13. Kc3 $1 Ke4 14. Nc2 $1 Kf3 15. Kd2 Kf2 16. Ne1 $18) 13. Kc3 Ke3 14. Nc2+ Ke4 15. Kd2 e1=Q+ 16. Kxe1 Kd3 $1 17. Kd1 Kc3 18. Kc1 Kd3 19. Kb1 (19. Kb2 Kc4 20. Ka2 Kc3 21. Kb1 Kb3 22. Kc1 Kc3 $11) 19... Kc3 20. Kc1 Kd3 {Positional draw.}) 12... Ke3 (12... Ke4 13. Kc5 $1 Ke3 14. Kxd5 $18) 13. Kc3 $1 Ke4 14. Nc2 $18 {Themes: Bishops' mutual sacrifices, Positional draw, Reti theme [The study contains Reti theme if the King's dual-purpose maneuver is combined with change of false refutations of the thematic tries to achieve each goal separately. (Problemist of Ukraine >=2 2014)]} 1-0

[Event "3.hm UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Michal Hlinka & Mario Garcia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5rk1/1n2K3/8/3R2P1/4N3/8/8/8 w - - 0 1"] [PlyCount "27"] [EventDate "2022"] 
 1. Nf6+ Kg7 2. Nh5+ $1 (2. Ne8+ $2 Kg8 3. g6 Rf1 {/f2=}) 2... Kg8 3. g6 (3. Rb5 $2 Rf7+ $11) 3... Ra8 ({main:} 3... Rc8 4. Kf6 Rc6+ (4... Rc7 5. Kg5 Rc5 6. Kh6 Rxd5 7. Nf6+ Kh8 8. g7#) 5. Kg5 Nd6 6. Nf6+ Kg7 (6... Kf8 7. Kh6 Nf7+ 8. Kh7 Rxf6 9. g7+ $18) (6... Kh8 7. Ra5) 7. Rxd6 Rxd6 8. Ne8+ $18) 4. Kf6 $1 Ra6+ ( 4... Rf8+ 5. Kg5 $18) 5. Kg5 Nd6 6. Nf6+ Kh8 (6... Kf8 7. Kh6 Ke7 8. g7 Nf7+ 9. Kh7 $18) 7. Rc5 $3 ({Try :} 7. Re5 $6 Ra7 $1 (7... Ra1 $2 8. Re7 $1 Ra5+ (8... Rg1+ 9. Kh5 $18) 9. Kg4 $1 $18) 8. Kh6 {(1)} Rh7+ $1 9. Kg5 Ra7 $1 { returns to the same square!} ({no} 9... Rb7 $2 10. Ra5 $1 Rb5+ 11. Rxb5 Nxb5 12. Kh6 $1 $18) 10. Kh6 $5 {again as in (1)} ({or by another line} 10. Rd5 $5 Nf7+ $1 (10... Ra6 $2 11. Rc5 Nf7+ (11... Ra4 12. Kh6 Rh4+ 13. Nh5 Kg8 14. Rc7 $18) 12. gxf7 Kg7 13. Rc7 Rxf6 (13... Ra5+ 14. Kf4 Ra4+ 15. Ne4 $18) 14. f8=Q+ $18) 11. gxf7 Kg7 $1 $11 ({and no !} 11... Rxf7 $2 12. Rd8+ $1 (12. Kg6 $2 Rg7+ 13. Kh6 Rg6+ $1 14. Kxg6 $11 {stalemate}) 12... Kg7 13. Rg8#)) 10... Rh7+ 11. Nxh7 Nf7+ 12. gxf7 $11 {stalemate}) 7... Ra4 (7... Ra1 8. Rc7 Rg1+ 9. Kh5 Rh1+ 10. Kg4 Rg1+ 11. Kh3 $18) (7... Ra7 8. Kh6 $18) 8. Kh6 $1 (8. Ng4 $2 {e.g.} Ra7 9. Kh6 Kg8 10. Nf6+ Kf8 11. Nh7+ Kg8 12. Ra5 Rxa5 13. Nf6+ Kf8 14. g7+ Ke7 15. g8=Q Nf7+ $11) 8... Rh4+ $1 9. Nh5 Kg8 (9... Rg4 10. g7+ Rxg7 (10... Kg8 11. Nf6+ Kf7 12. Nxg4 $18) 11. Nxg7 $18) 10. Rc7 {with two variants : A)} Ne8 ({B) } 10... Nf7+ $5 11. Rxf7 $1 $18 (11. gxf7+ $2 Kf8 12. Kg5 Rg4+ $1 13. Kf5 Rg5+ $1 14. Kxg5 {model stalemate})) 11. Rc8 Kf8 12. g7+ Kf7 13. Rxe8 Kxe8 14. g8=Q+ $18 1-0

[Event "4.hm UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Pavel Arestov & Peter Krug"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "r3k3/5q2/N4Q2/7N/8/8/8/3K1n2 w q - 0 1"] [PlyCount "21"] [EventDate "2023"] 
 1. Nc7+ $1 (1. Ng7+ $2 Kf8 2. Ne6+ Kg8 $11) 1... Qxc7 (1... Kf8 2. Ne6+ $1 Kg8 3. Qg5+ Kh8 4. Qe5+ Kg8 5. Nf6+ $18) 2. Ng7+ Qxg7 $1 (2... Kd7 3. Qe6+ Kd8 4. Qe8#) 3. Qxg7 {With two lines : A)} O-O-O+ $1 ({B)} 3... Rd8+ $2 4. Kc1 $18 (4. Kc2 $2 Ne3+ $11) (4. Ke2 $2 Nd2 $13) 4... Nd2 (4... Rd7 5. Qf6 Rc7+ 6. Kb2 Rf7 7. Qe5+ Kf8 8. Kc3 $18) 5. Qe5+ (5. Qg6+ $2 Ke7 6. Qg5+ Ke8 7. Qe5+ { loos of time}) 5... Kf7 6. Kc2 (6. Qc7+ {loss of time}) 6... Rd7 7. Kc3 $1 (7. Qf5+ Ke7 8. Qe5+ Kd8 $11) 7... Rd6 8. Kb4 $18 (8. Qxd6 $2 Ne4+ $11)) 4. Ke2 $1 (4. Kc1 $2 Nd2 $11) 4... Nd2 5. Qc3+ Kb7 6. Qc5 $1 (6. Qa5 $2 Rd6 7. Qc5 Rd7 { loss of time}) 6... Rd7 $1 7. Ke3 $1 (7. Qb5+ $2 Kc7 8. Qc5+ Kd8 $1 $11) 7... Rd6 $1 8. Kf4 $1 (8. Qxd6 $2 Nc4+ $11) 8... Rd8 (8... Rb6 9. Qd5+ $18) 9. Kg4 $1 (9. Kf5 $2 Nf3 $11) 9... Rg8+ 10. Kh5 $1 (10. Kf5 $5 Rg5+ 11. Kxg5 Ne4+ $11) 10... Rh8+ 11. Kg6 $18 (11. Kg5 $4 Ne4+ $19) 1-0

[Event "1.c UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Pavel Arestov &Michal Hlinka"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "B4K2/2P1pp2/3n1kr1/8/4P1R1/8/8/8 w - - 0 1"] [PlyCount "15"] [EventDate "2023"] 
 {[#]} 1. Rf4+ {try} (1. Rh4 $2 Ke6 2. Rh3 Kd7 3. Rc3 Nc8 4. Kxf7 Rf6+ $1 5. Kg7 Rb6 6. e5 Na7 $1 (6... e6 $2 7. Be4 $1 $18 Na7 8. Bc2 {/Bg6} Kc8 9. Ba4 Rb4 10. Be8 Rb7 11. Kf6 Rxc7 12. Rd3 Rh7 13. Kxe6) 7. Kf8 e6 8. Rc4 Kc8 9. Ke7 Nb5 10. Rb4 Kxc7 $11) (1. Rxg6+ $2 fxg6 $11) 1... Ke6 2. Rxf7 Kd7 $1 (2... Rf6 3. Rxf6+ exf6 4. Bb7 $1 $18) 3. Rxe7+ Kc8 4. Bd5 $1 {Try} (4. Bc6 $2 Rh6 $1 5. Bd5 (5. Kg7 Nf5+ $1 6. exf5 {/Rh7+} Rg6+ 7. fxg6 {stalemate}) 5... Nxe4 $1 6. Be6+ $1 ( 6. Bxe4 Rf6+ 7. Kg8 Rf8+ 8. Kg7 Rf7+ 9. Rxf7 {stalemate}) 6... Rxe6 7. Rxe6 Nc3 $1 8. Rc6 Nd5 $1 $11 (8... Nb5 $2 9. Ke7 Nxc7 10. Kd6 $18)) 4... Rf6+ $1 (4... Nxe4 5. Kf7 $1 Rf6+ 6. Kg7 $18 {zz}) 5. Kg8 $3 {Try} (5. Kg7 $2 Nxe4 $1 {zz} 6. Bxe4 Rf7+ $1 7. Rxf7 {/Kxf7 stalemate}) 5... Nxe4 (5... Rg6+ 6. Kh7 $18) 6. Kg7 $1 {zz} Nc3 $1 7. Bg2 $1 (7. Kxf6 $2 Nxd5+ $11) 7... Ne4 8. Bh3+ $1 $18 (8. Bxe4 $2 Rf7+ $1 9. Rxf7 {stalemate}) 1-0

[Event "3.c UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Vasily Murashov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/8/8/2k2K2/2p5/4Pp2/N2R4/6r1 w - - 0 1"] [PlyCount "27"] [EventDate "2023"] 
 1. Ke4 $1 ({Try 1:} 1. Nc3 $2 Kb4 $1 (1... Rc1 $2 2. Ne4+ Kb4 3. Rb2+ Ka3 4. Rf2 c3 5. Kf4 Kb3 6. Nc5+ Kc4 7. Ne6 Rd1 8. Kxf3 Rd6 9. Nf4 $18) 2. Nd5+ Kb3 3. Rf2 c3 4. e4 c2 (4... Rg8 5. Ne3 $18) 5. Rxf3+ Ka4 $1 6. Nc3+ Kb3 7. Ne2+ Kb2 8. Re3 Rg2 $1 (8... Rf1+ $2 9. Kg4 $18) 9. Ke5 (9. e5 Rf2+ $11) 9... Kb1 $1 ( 9... Rf2 $2 10. Kd4 Ka1 11. Nc1 Rf1 12. Kc3 $18) 10. Rb3+ (10. Nc3+ Kb2 $11) 10... Ka1 $1 11. Nc1 Rd2 12. Kf4 Rd1 13. Ke3 Re1+ $1 (13... Rxc1 $2 14. Kd2 Re1 15. Kxc2 Ka2 16. Rb8 $18) 14. Kd3 Rxe4 15. Kxe4 {stalemate} (15. Kxc2 Rc4+ $11) ) ({Try 2:} 1. Ke5 $2 Rg2 $1 (1... Rg5+ $2 2. Ke4 Rg2 3. Rd5+ Kb6 4. Nc3 f2 5. Rd6+ Kc5 6. Rf6 Rg4+ 7. Ke5 Rg5+ 8. Ke6 Rg6 9. Ne4+ Kb4 10. Nxf2 Rg3 11. e4 c3 12. Ke5 c2 13. Rc6 Rc3 14. Nd3+ Rxd3 15. Rxc2 $18) 2. Rd5+ Kb6 3. Nc3 Rg5+ 4. Kd4 Rxd5+ 5. Nxd5+ Ka5 $11) 1... Rg2 2. Rd5+ Kb6 3. Nc3 f2 4. Rd6+ (4. Rf5 $2 Rg4+ 5. Ke5 Rg5 6. Rxg5 f1=Q $19) 4... Kc5 5. Rf6 Rg4+ (5... Rh2 6. Rf5+ { /Nd1+-}) (5... Kb4 6. Kd4 $18) 6. Ke5 Rg5+ (6... Kb4 7. Ne4 $18) 7. Ke6 Rg6 8. Ne4+ Kb4 (8... Kb5 9. Nxf2 Rg2 10. Ne4 $18) 9. Nxf2 Rg3 10. e4 $1 (10. Nd1 $2 c3 $1 11. Rf4+ Kb3 12. Nxc3 Rxe3+ $11) 10... c3 11. Ke5 $1 (11. Kd5 $4 c2 12. Rc6 Rc3 13. Nd3+ Rxd3+) 11... c2 12. Rc6 Rc3 13. Nd3+ Rxd3 14. Rxc2 $18 1-0

[Event "4.c UAPA 21th Ty Sec. B1 Win"] [Site ""] [Date "2023"] [Round ""] [White "Eduard Eilazyan"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/2B1k2N/4P3/6P1/n2P2K1/1n6/8/6b1 w - - 0 1"] [PlyCount "17"] [EventDate "2023"] 
 1. d5 {B)} Nac5 ({A)} 1... Nd4 2. g6 Nxe6 3. dxe6 (3. Be5 Nac5 $11) 3... Kxe6 4. Ng5+ $1 ({Thematic try-1:} 4. Be5 $2 Nb6 $1 5. Ng5+ Kxe5 6. g7 Nd5 $1 (6... Nd7 $2 7. Nh7 $18) 7. Nh7 Ne7 $11) (4. Bd8 $2 Bd4 $1 5. Ng5+ Kd7 $1 $11) 4... Kf6 5. Kh5 Kg7 6. Be5+ Kg8 7. Ne4 {(h7)} Nc5 8. Nf6+ Kf8 9. Kh6 (9. Nh7+ Kg8 10. Nf6+ Kf8 {Waste of time.}) 9... Ne6 10. Bd6# {Model mirror mate.}) 2. g6 Nxe6 3. dxe6 Kxe6 4. Be5 $1 {Try change.} ({Thematic try-2:} 4. Ng5+ $2 Kf6 $1 5. Kh5 Kg7 $1 (5... Be3 $2 6. Be5+ $1 Kxe5 7. g7 $18) (5... Bd4 $2 6. Kh6 $1 Ke7 7. Kh7 $1 $18) 6. Be5+ Kg8 $1 7. Ne4 Bd4 $1 (7... Nd4 $2 8. Nf6+ $18) 8. Bxd4 Nxd4 $11) 4... Be3 (4... Ke7 5. Nf6 Kf8 6. Kh5 $1 Nd4 7. Kh6 $1 Nf5+ 8. Kh7 $1 $18) 5. Bh8 $1 (5. Ng5+ $2 Bxg5 $1 6. Kxg5 Na5 $1 7. Kh6 Nc6 8. g7 Ne7 9. Bc3 Nf5+ $11) (5. Nf8+ $2 Ke7 $1 6. Bd6+ Kf6 7. Be5+ Ke7 $11 8. g7 Kf7 $11) (5. Nf6 $2 Bh6 $1 $11) 5... Bd4 (5... Bh6 6. Kh5 $18) (5... Nc5 6. g7 Kf7 7. Nf6 $1 $18) 6. Ng5+ $1 Ke7 7. Bxd4 Nxd4 8. g7 Nf5 $6 {The last trap!} 9. Kxf5 $1 $18 (9. g8=Q $2 Nh6+ $11) 1-0

Section B2 No Theme Draw studies

[Event "1.p UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023"] [Round ""] [White "Valery Kalashnikov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1Q1b1B1R/7P/2r3kn/8/1p6/2r2p2/4p3/1K6 w - - 0 1"] [PlyCount "27"] [EventDate "2023"] 
 1. Qg3+ Bg5 2. Rg8+ Kxh7 {it is a bait} 3. Rg7+ $1 { preparation of the mechanism of an eternal check} (3. Rxg5 e1=Q+ 4. Qxe1 Rc1+ 5. Qxc1 Rxc1+ 6. Kb2 f2 $19 {Position A1 with Kh7}) 3... Kh8 4. Rxg5 e1=Q+ $1 5. Qxe1 Rc1+ 6. Qxc1 Rxc1+ 7. Kb2 $3 {Why!?} (7. Kxc1 $2 f2 8. Bg7+ Kh7 9. Bd4 f1=Q+ $19) (7. Ka2 $6 f2 8. Bg7+ Kh7 9. Bd4 Ng4 $1 10. Bxf2 Nxf2 { Position B1 with pb4} 11. Rb5 Nd3 $19) 7... f2 {Position A with Kh8} 8. Bg7+ Kh7 (8... Kg8 9. Bd4+ Kf8 10. Bxf2 $11) 9. Bd4 {but} Rb1+ $1 ({ Success of the plan white:} 9... f1=Q 10. Rg7+ Kh8 11. Rg6+ Kh7 12. Rg7+ Kh8 13. Rg1+ Kh7 14. Rg7+ $11 {positional draw}) 10. Ka2 $1 (10. Kc2 $2 b3+ 11. Kc3 Ng4 $1 12. Bxf2 Nxf2 $19 {Position B2 with Kc3}) 10... b3+ $1 11. Ka3 $1 Ng4 $1 {Then} 12. Bxf2 Nxf2 {Position B with Ka3 and pb3} 13. Rg3 $1 (13. Rb5 $2 Nd3 14. Rxb3 Ra1#) 13... b2 14. Ka2 $11 {draw} 1/2-1/2

[Event "2.p UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.07"] [Round ""] [White "Michal Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3P3P/P6q/8/4P3/6K1/7p/k7 w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 
 1. a7 $1 (1. d8=Q h1=Q $19) 1... h1=N+ $1 (1... h1=Q 2. a8=Q+ Kb1 3. Qb8+ Kc2 4. Qc7+ Kb3 5. Qb7+ Ka4 6. Qa7+ Kb5 7. Qb7+ $11) 2. Kg2 Qg6+ (2... Qf8 3. Kxh1) 3. Kf1 $3 {Letting the knight to escape, avoiding knight capture} (3. Kf3 $2 Qg3+ 4. Ke2 Qf2+ 5. Kd3 Qf8 {and the knight also is out}) (3. Kxh1 $2 Qxe4+ $1 4. Kg1 Qa8 $19) 3... Ng3+ (3... Qf6+ 4. Kg2 Qh8 5. Kxh1 Qxh7+ 6. Kg1 $11) 4. Kf2 $1 Nxe4+ 5. Ke3 $1 (5. Kf3 $2 Nd2+ 6. Ke2 Qg2+ 7. Kd1 Qa8 8. Kxd2 Kb2 9. Kd3 Kb3 10. Kd4 Kb4 11. Ke5 Kc5 12. Ke6 Kc6 13. Ke7 Kc7 $19) 5... Qh6+ 6. Kd4 $1 {Again - avoiding knight capture} (6. Kxe4 $2 Qxh7+) 6... Qg7+ 7. Ke3 $1 { Another avoidance of knight capture} Qh8 8. d8=Q $1 { Once more avoiding knight capture} Qxd8 9. Kxe4 {only now} Kb2 10. Kf5 Kc3 11. Kg6 Qf8 12. a8=Q 1/2-1/2

[Event "4.p UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023"] [Round ""] [White "Eduard Eilazyan"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5K2/8/4PP2/k2p2n1/1q1P2b1/3P4/8/6Q1 w - - 0 1"] [PlyCount "19"] [EventDate "2023"] 
 1. e7 (1. Kg7 $2 Nxe6+ 2. Kg6 Be2 $19) 1... Nh7+ 2. Kg7 $1 (2. Kf7 $2 Bh5+ $1 3. Kg7 Nxf6 $1 4. Kxf6 Qd6+ $1 5. Kf5 Qxe7 $19) 2... Nxf6 3. Qa1+ $1 (3. Kxf6 $2 Qd6+ 4. Kg5 Qxe7+ 5. Kxg4 Qg7+ $19) 3... Kb6 4. Kxf6 Qd6+ (4... Bh5 5. Ke6 $11 (5. Kf5 $2 Qd6 (5... Qxe7 $2 6. Qb2+ Kc6 7. Qc2+ Kd6 8. Qh2+ $11) 6. Qa4 Bg6+ 7. Kg5 Qe6)) 5. Kg5 Qg3 $1 6. Qb2+ $1 (6. Qa3 $2 Bd7+ 7. Kh6 Qf4+ 8. Kh7 Qf7+ 9. Kh6 Qf6+ 10. Kh7 Qe6 $19) 6... Kc6 $1 {(critical position)} (6... Kc7 7. e8=N+ $1 Kd8 8. Ng7 $1 $11) 7. Qh2 $3 {Foresight effect.} ({Thematic Try:}  7. Qf2 $5 Qxf2 8. e8=Q+ Bd7 9. Qa8+ Kd6 10. Qb8+ Ke7 11. Qe5+ Be6 $19) (7. e8=Q+ $2 Bd7+ 8. Kh6 Bxe8 $19) 7... Qxh2 8. e8=Q+ {(Phoenix of Queen)} Bd7 9. Qa8+ {(key position)} Kb6 (9... Kd6 $2 10. Qb8+ Ke6 11. Qxh2 $18) 10. Qxd5 $11 {Theme: Reincarnation. [In a study with the effect of foresight, the theme of reincarnation is performed, if the phoenix of the main thematic piece is realized between the critical and key positions in the solution. (Problemist of Ukraine >=2(52) 2017)]} 1/2-1/2

[Event "1. hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023"] [Round ""] [White "Eduard Eilazyan"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2B3k1/1K6/1Pn5/5p2/4P3/5q2/PP3Q1p/7b w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 
 1. Be6+ $1 {A) Main variant} ({Logical try:} 1. Qxh2 $2 Qxe4 2. Bxf5 Na5+ $1 ({ False Refutation:} 2... Nd8+ $2 3. Kc8 $1 Qxf5+ 4. Kxd8 $11) 3. Ka6 Qa8+ 4. Kb5 Bc6+ 5. Kb4 Qf8+ 6. Kxa5 Qc5+ 7. Ka6 Qc4+ 8. Ka7 {Position A1 with bKg8} Qf7+ $1 ({Logical try:} 8... Qxa2+ $2 9. Kb8 Qa8+ 10. Kc7 Qb7+ 11. Kd8 $11) 9. Bd7 ( 9. Qc7 $2 Qxa2+ 10. Kb8 Qa8#) 9... Qxa2+ 10. Kb8 Qa8+ 11. Kc7 Qb7+ 12. Kd6 (12. Kd8 Qxd7#) 12... Qb8+ 13. Kxc6 Qxh2 $19) 1... Kg7 ({B) Additional variant} 1... Kf8 2. Qh4 $1 {Change of try (see Try-1 in Main variant)} ({Try-2:} 2. Qxh2 $2 Qxe4 $1 {a)} 3. Bxf5 ({b)} 3. Qd6+ Ne7+ $1 4. Kc7 Qb7+ $1 5. Kd8 Bc6 $1 6. Qc7 Qa8+ $1 $19) 3... Nd8+ $1 ({False Refutation:} 3... Na5+ $2 4. Ka6 $1 Qa8+ 5. Kb5 $11 {Change of False Refutation (see False Refutation in the Logical Try).} ) 4. Kc7 ({or} 4. Kc8 Qa8+ $1 5. Kc7 Nf7 $1 6. Bc8 Qc6+ $1 7. Kb8 Qxb6+ $1 8. Bb7 Qxb7#) 4... Qe7+ $1 5. Kc8 Bb7+ $1 6. Kb8 Nc6# {model mate.}) 2... fxe4 $1 $11 {e.g.} 3. Bb3 Na5+ 4. Ka7 Nc6+ 5. Kb7 $11) 2. Qxh2 $1 ({Try-1:} 2. Qh4 $2 Nd8+ $1 3. Ka7 Nxe6 $1 4. Qe7+ Kh8 $1 5. Qf6+ Kh7 $1 6. Qe7+ Ng7 $1 $19) 2... Qxe4 3. Bxf5 Na5+ (3... Nd8+ 4. Kc8 $1 Qxf5+ 5. Kxd8 $11) 4. Ka6 Qa8+ 5. Kb5 Bc6+ 6. Kb4 $1 Qf8+ 7. Kxa5 Qc5+ 8. Ka6 Qc4+ 9. Ka7 {Position A with bKg7} Qxa2+ (9... Qf7+ $2 10. Qc7 $1 $18) 10. Kb8 Qa8+ 11. Kc7 Qb7+ 12. Kd8 $1 $11 { Theme: A logical study with a synthesis of two themes of change: the change of try and the change of false refutation.} (12. Kd6 $2 Qb8+ 13. Kxc6 Qxh2 $19) 1/2-1/2

[Event "2.hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.08"] [Round ""] [White "Michal Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2K5/R2n3N/8/1P1P4/8/4p3/1N2k1p1/6r1 w - - 0 1"] [PlyCount "39"] [EventDate "2023"] 
 1. Ra2 $1 (1. Rxd7 $2 Rc1+ $19) (1. Nc4 $2 Nb6+ $1 2. Nxb6 Rc1+ $19) 1... Rc1+ (1... Nb6+ 2. Kb7 Nxd5 3. Nc4+ Kd3 4. Ne5+ $11) 2. Nc4+ Kf1 (2... Kf3 3. Ng5+ $11) (2... Kd3 3. Rxg2 $11) 3. Ra1 $1 Rxa1 (3... Nb6+ 4. Kb7 Rxa1 5. Nxe3+ Kf2 6. Nxg2 Nxd5 7. Kc6 Ne7+ 8. Kd6 Nc8+ 9. Kd7 Rc1 10. Nf4 $11) 4. Nxe3+ Kf2 5. Nxg2 Ra7 $1 (5... Nb6+ 6. Kb7 {/c7} Nxd5 7. Kc6 $11) 6. Nf8 $3 (6. Nf4 $2 Nb6+ 7. Kb8 Rxh7 $19) 6... Nb6+ (6... Nxf8 7. b6 $11) 7. Kb8 Rf7 8. d6 $1 Rxf8+ ( 8... Kxg2 9. d7 $1 Rxf8+ 10. d8=Q $1 (10. Kc7 Nd5+ 11. Kd6 Nf4 $1 $19) 10... Rxd8+ 11. Kc7 $11) 9. Kc7 Nd5+ 10. Kc6 Nb4+ 11. Kc5 Nd3+ 12. Kd4 (12. Kd5 $2 Kxg2 $19) (12. Kc4 $2 Ne5+ 13. Kd5 Ng6) 12... Ke2 $1 (12... Kxg2 13. Kxd3 $11) 13. Kd5 $1 (13. b6 $2 Rf7 $1 14. Kd5 (14. Nh4 Rf4+ $19) 14... Rh7 $1 $19) 13... Rf5+ (13... Rf7 14. Nh4 $1 $11) 14. Ke6 Rxb5 15. d7 Nc5+ 16. Kd6 $1 Nxd7 17. Nf4+ $1 (17. Kxd7 $2 Rb4 $1 $19) 17... Kf3 (17... Ke3 18. Nd5+ Kd4 19. Nc7 $11) 18. Ne6 $1 Rb7 19. Nd8 Ra7 20. Nc6 $11 1/2-1/2

[Event "3.hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.08.11"] [Round ""] [White "Vasily Murashov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6R1/3r4/2n1pP2/2P5/2K2k2/8/8/8 w - - 0 1"] [PlyCount "28"] [EventDate "2023"] 
 1. Kb5 $1 ({Try:} 1. Rg7 $2 Rd8 $1 (1... Rd5 $2 2. Kb5 Nd4+ 3. Kb6 Rf5 4. f7 $11) 2. Kb5 Nd4+ 3. Kb6 Ke5 4. c6 Nxc6 5. Kxc6 Kxf6 6. Rg1 e5 $19) (1. Rc8 $2 Ne5+ $19) 1... Nd4+ 2. Kb6 (2. Kc4 $2 Ke5 3. Rf8 Rd5 4. f7 Kf6 $19) 2... Rf7 3. c6 e5 $1 4. c7 $1 (4. Rg1 $2 Ne6 $19) 4... Rxf6+ 5. Ka5 $1 (5. Kb7 $2 Nb5 6. c8=N (6. Rg4+ Kf3 $19) 6... Nd6+ 7. Nxd6 Rxd6 $19) 5... Nc6+ 6. Kb6 {/a6} (6. Ka4 $2 {e.g.} Na7 7. Ra8 Ra6+ 8. Kb3 Rc6 9. Rxa7 e4 10. Kb4 Ke5 11. Ka4 Kd4 12. Kb5 Kd5 13. Ra5 Rxc7 14. Kb6+ Kd6 $19) 6... Ne7+ 7. Kb7 $1 (7. Ka7 $2 Rc6 8. Rf8+ Kg5 9. Kb7 Re6 10. Kb8 Kg6 $19) 7... Re6 (7... Kf5 8. Rg7 $1 Re6 9. Kb8 $1 (9. Ka8 $2 Nd5 10. c8=Q Nb6+ $19) 9... Nc6+ 10. Kb7 $1 $11) 8. Rg7 $1 (8. Kb8 $2 Rb6+ 9. Ka7 Rc6 10. Rf8+ Kg5 11. Kb7 Re6 12. Kb8 Kg6 $19) 8... Ke4 (8... e4 9. Rf7+ $11) 9. Kb8 $1 (9. Rf7 $2 Kd5 10. Ka8 Nc8 $1 $19) 9... Rb6+ 10. Ka8 $1 (10. Ka7 $2 Nc8+ 11. Ka8 Kd5 $19) 10... Nc8 11. Rd7 $1 (11. Rg5 $2 Rb5 $1 ( 11... Kd5 $2 12. Rxe5+ Kxe5 {stalemate}) (11... Re6 $2 12. Rg8 Ne7 13. Rd8 Rc6 14. Kb7 Kf5 15. Rd7 $11) 12. Rg8 Nd6 $19) 11... Kf5 12. Rd8 (12. Rf7+ $2 Rf6 13. Rd7 Ke6 14. Rd8 Rf2 {/f3} 15. Re8+ Kd5 16. Rxc8 Kc6 17. Kb8 Rb2+ 18. Ka7 Rb4 19. Re8 Kxc7 20. Re7+ Kd6 $19) 12... Ke6 13. Re8+ $1 (13. Rxc8 $2 Kd7 14. Re8 Kxc7 15. Re7+ (15. Ka7 Rb2 16. Ka6 Kd6 $19) (15. Rxe5 Ra6#) 15... Kd6 $1 $19) 13... Kd6 (13... Kd7 14. Rxe5 Kxc7 15. Rc5+ $11) 14. Rxe5 Kxe5 $11 { stalemate} 1/2-1/2

[Event "4.hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.07.21"] [Round ""] [White "Pavel Arestov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/3N4/1N1p4/5R2/p2K4/7B/n2kq3 w - - 0 1"] [PlyCount "21"] [EventDate "2023"] 
 1. Nc3+ (1. Kd4 $2 Qd2+ 2. Ke5 Qxh2 3. Nxa3 Nb3 4. Nab5 d4 5. Nxd4 Nxd4 $19) 1... Kc1 2. Rf2 $3 (2. Nxd5 $2 Qd2+ 3. Kc4 Qxh2 $19) 2... Qxf2 3. Bf4+ $1 (3. Ne2+ $2 Kb2 $19) 3... Qxf4 4. Ne2+ Kb2 5. Nxf4 {with two lines : A)} Nb3 ({B)}  5... Nc2 6. Nxd5 a2 7. Nc4+ Kc1 (7... Kb3 8. Nd2+ {/a5} Ka4 9. Nc3+) 8. Nd2 $1 (8. Na5 $2 Nd4 $1 9. Kxd4 a1=Q+ 10. Kc5 Qxa5+ $19) (8. Nf4 $2 Ne1+ 9. Ke2 a1=Q 10. Kxe1 Qc3+ $19) 8... Nd4 $1 (8... a1=Q 9. Nb3+ $11) (8... Kb2 9. Nc4+ $11) 9. Nc3 $1 (9. Kxd4 Kxd2 $19) 9... a1=Q 10. Ne2+ Nxe2 (10... Kd1 11. Nxd4 Qa6+ 12. Nc4 $11) 11. Nb3+ $11) 6. Nxd5 a2 7. Nc4+ Kc1 $1 8. Nf4 $1 (8. Nc3 $2 Nc5+ $1 9. Kd4 a1=Q 10. Kxc5 Qxc3 $19) 8... Nc5+ $1 (8... a1=Q 9. Ne2+ Kb1 10. Nc3+ Kc1 11. Ne2+ Kd1 12. Ne3+ $1 Ke1 13. Nc2+ $11) 9. Kd4 $1 Na6 $1 (9... a1=Q+ 10. Kxc5 Qa7+ 11. Kd5 $1 Qf7+ 12. Ne6 $11) (9... Na4 10. Nd3+ Kd1 11. Ne3+ Ke2 12. Nc1+ $11) 10. Kd3 $1 Nc5+ 11. Kd4 $1 {positional draw} 1/2-1/2

[Event "5.hm UAPA 21th Ty sec.B.2. Draw"] [Site "ACER-PC"] [Date "2020.05.21"] [Round ""] [White "Peter Krug & Mario Garcia"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "4Bn1Q/2N1kp2/5pPK/8/8/1q6/5p2/8 w - - 0 1"] [PlyCount "23"] [EventDate "2020"] 
 1. Kg7 $3 ({Try:} 1. Bb5 $2 Qxb5 2. Qxf8+ Kxf8 3. g7+ Ke7 $3 (3... Kg8 $2 4. Nd5 Qxd5 $11) 4. Nxb5 f1=Q 5. g8=Q Qf4+ $1 (5... Qxb5 $2 6. Qc8 f5 { Position A1 with wKh6} 7. Kg5 f6+ 8. Kg6 f4 9. Qc7+ Ke6 10. Qxf4 $11) 6. Kg7 Qg5+ 7. Kh7 Qxb5 8. Qc8 f5 $1 {Position A with wKh7} 9. Qc7+ Ke6 $19) 1... Nxg6 2. Qh1 $1 (2. Qh5 $2 Ne5 3. Bb5 Qxb5 $1 4. Nxb5 f1=Q $19) 2... Qg3 (2... Nf4 3. Qe4+ $1 (3. Bb5 $2 Qg3+ 4. Kh7 Qg6+ 5. Kh8 Nh5 $19) 3... Ne6+ 4. Nxe6 fxe6 { e.g.} 5. Qc6 Qd5 6. Qxd5 exd5 7. Bb5 Ke6 8. Kg6 Ke5 9. Kh5 Kf4 10. Kh4 d4 11. Kh3 Ke3 12. Kg2 d3 13. Kf1 $11) ({or} 2... Ne5 3. Bb5 Qg3+ 4. Kh7 Qg6+ 5. Kh8 Qg5 6. Qe4 $11) 3. Nd5+ Kd6 (3... Kd8 4. Nxf6 Nf4+ 5. Kf8 $1 (5. Kh8 $2 Qc3 6. Kg7 Nh5+ 7. Qxh5 f1=Q 8. Qd5+ Kc7 $19) 5... Qa3+ 6. Kxf7 Qb3+ 7. Kg7 Ne6+ 8. Kg6 {/h6} Qg3+ 9. Kf7 $11 {positional draw} Ng5+ 10. Kg7 Ne4+ 11. Bg6 Nxf6 12. Qa8+ Kd7 13. Qa7+ Qc7) (3... Kxe8 4. Nxf6+ $11) 4. Nxf6 Nf4+ (4... Nh4+ 5. Kf8 $1 $11 (5. Kh8 $2 Qe5 6. Qc6+ Ke7 7. Qd7+ Kxf6 8. Qxf7+ Kg5+ 9. Kg8 Nf3 $1 $19) ) (4... Ne5+ 5. Kf8 $1 Ke6 6. Nh5 Ng6+ 7. Kg7 Qc3+ 8. Kh6 Qh8+ 9. Kg5 Qe5+ 10. Kh6 $11) 5. Kh8 Qc3 6. Kg8 $1 (6. Kg7 $2 Nh5+ $1 (6... Ne6+ $2 7. Kxf7 Nd8+ 8. Kg6 Qd3+ 9. Ne4+ $11) 7. Qxh5 f1=Q 8. Qd5+ Kc7 9. Qd7+ Kb6 10. Qd8+ (10. Qd6+ Ka5 $19) 10... Kc5 11. Qe7+ Kc4 12. Qxf7+ Kd4 $19) 6... Qxf6 (6... Qc4 7. Ne4+ Ke7 8. Nxf2 $11) 7. Qc6+ Ke5 (7... Ke7 $4 8. Qd7#) 8. Qc3+ Kf5 9. Qc2+ Ke6 10. Qc6+ (10. Qxf2 $2 {Position B1 with bKe6} Qg5+ 11. Kh7 Ke7 12. Qa7+ Kxe8 $19) ( 10. Qc8+ $2 Kd5 $1 11. Qb7+ Ke5 $1 12. Qb2+ Ke6 $1 13. Qxf2 { Position B1 with bKe6} (13. Qb6+ Ke7 $19) 13... Qg5+ 14. Kh7 Ke7 15. Qa7+ Kxe8 $19) 10... Kf5 11. Qc2+ {positional draw} Kg4 12. Qxf2 $11 { Position B with bKg4} 1/2-1/2

[Event "sp.hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.06.02"] [Round ""] [White "Daniele Gatti & Mario Micaloni"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/8/5p2/p3p1p1/3pP1Pp/P1kP3P/K3BNR1 w - - 0 1"] [PlyCount "19"] [EventDate "2023"] 
 1. Rh1 $1 {First Line :} (1. Bf2 $2 Kd1 2. Kb2 Ke2 $19) 1... Kd1 $1 ({ Second line :} 1... a3 2. Bf2 $1 Kd1 (2... Kc1 3. Bg1 $1 Kd1 4. Kb1 Ke2 5. Kc1 Kf3 6. Kd1 $1 Kg2 7. Ke1 Kf3 {positional draw}) 3. Kb1 (3. Bg1 $2 Ke1 4. Kb1 Kxf1 $19) 3... Ke2 4. Kc1 Kxf2 5. Kd1 Kf3 (5... Kg2 $2 6. Ke1 $1 Kxh1 7. Kf2 $18) 6. Rg1 Kf2 7. Rh1 Kf3 8. Rg1 Kf2 9. Rh1 $11) 2. Kb2 Kxe1 3. Kc3 (3. Ka3 $2 Kf2 4. Kxa4 Kg2 5. Kb5 Kxh1 6. a4 Kg2 7. a5 Kxf1 8. a6 f4 $1 9. a7 (9. gxf4 g3 10. hxg3 h2 11. a7 h1=Q 12. a8=Q Ke2 $19) (9. exf4 e3 10. dxe3 d2 11. a7 d1=Q $19) 9... fxe3 10. a8=Q e2 $1 11. Qxe4 e1=Q 12. Qxd3+ Kg1 13. Qe3+ Qxe3 14. dxe3 Kxh2 15. e4 Kxg3 16. e5 h2 17. e6 h1=Q $19) 3... Kf2 4. Kd4 Kg2 5. Ke5 Kxh1 6. Kxf5 Kg2 7. Kxe4 (7. Kxg4 $2 Kxf1 8. Kxh3 Ke2 9. Kg2 Kxd2 10. Kf2 $19) 7... Kxf1 8. Kxd3 Kg2 9. Ke2 Kxh2 10. Kf2 $11 {positional draw} 1/2-1/2

[Event "sp. hm UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023"] [Round ""] [White "Michal Hlinka & Lubos Kekely"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7R/3q4/3r4/1p6/2k5/3p3b/1P2NR1N/1B5K w - - 0 1"] [PlyCount "24"] [EventDate "2023"] 
 1. Ng1 (1. Nc3 $2 d2 2. Nd1 Kc5 3. Rf4 Qe6 4. b4+ Kb6 5. Be4 Qe5 6. Rb8+ Kc7 7. Rb7+ Kc8 8. Rbf7 Rd7 9. Bf5 Bxf5 10. Rf8+ Kc7 11. R8xf5 Qe1+ 12. Rf1 Qe4+ 13. R5f3 Rf7 $19) (1. Rf4+ $2 Kc5 $19) 1... d2 2. Bc2 (2. Rh4+ $2 Kc5 3. Bc2 Qb7+ ( 3... Be6 4. Bd1 Bd5+ 5. Ngf3) 4. Nhf3 Bd7 5. Kh2 d1=Q 6. Bxd1 Rxd1 7. Ne5 Rd6 8. Ngf3 Qb8 9. Re2 Bc6 10. Kg3 Kb6 11. Rd4 Qg8+ 12. Rg4 Qb3 13. Nxc6 Rxc6 14. Rf4 Ka5 15. Kf2 Qg8 $19) 2... d1=Q (2... Be6 3. Bd1 Bd5+ 4. Ngf3 Kc5 5. Rh5 Qe8 ) 3. Bxd1 (3. Rf4+ $2 Rd4 4. Bxd1 Rxf4 5. Be2+ Kb3 6. Rxh3+ Kxb2 7. Kg2 b4 8. Nf1 b3 9. Re3 Ka2 10. Nf3 b2 11. Bd3 Qxd3 12. Rxd3 b1=Q $19) 3... Rxd1 4. Rc2+ Kb4 ({additional variant} 4... Kd5 5. Rh5+ Kd6 (5... Ke4 6. Rh4+ Kd5 7. Rh5+) 6. Rxh3 $1 Qxh3 7. Rd2+ $1 Rxd2 8. Nxh3 Rxb2 9. Ng4 $1 b4 10. Nhf2 b3 11. Nd1 $1 Rb1 12. Nge3 Ke5 13. Kg2 $1 $11 (13. Kg1 $2 Kd4 $1 14. Kf2 b2 15. Nc2+ Kc5 $1 16. Nc3 Rc1 17. Na4+ Kb5 $1 18. Nxb2 Rxc2+ $19) (13. Kh2 $2 Kf4 14. Kg2 b2 $19)) 5. Rh4+ Ka5 6. Rxh3 $1 (6. b4+ $2 Ka4 7. Ra2+ (7. Rxh3 Rxg1+ $1 $19 8. Kxg1 Qxh3 $19) 7... Kb3 8. Rxh3+ Kxa2 $19) 6... Qxh3 (6... Rxg1+ 7. Kxg1 Qxh3 8. Rc3 (8. Kh1) (8. Nf1) (8. Rd2) 8... Qd7 9. Nf3 b4 10. Rc5+ Ka4 11. Re5 Kb3 12. Re2 Qd1+ 13. Kf2 $11) 7. b4+ $1 Ka6 (7... Kb6 8. Rc6+ Kb7 9. Rb6+ {as main} ) (7... Ka4 8. Ra2+ Kxb4 9. Rb2+ $1 Kc4 10. Rb4+ Kc5 11. Rxb5+ Kxb5 { model double pin stalemate}) 8. Rc6+ (8. Ra2+ $2 Kb7 9. Ra7+ Kc8 10. Rc7+ Kd8 11. Rd7+ Qxd7 $1 $19) 8... Ka7 (8... Kb7 9. Rb6+ {as main}) 9. Ra6+ $1 Kb7 10. Rb6+ (10. Ra7+ $2 Kc8 $19) 10... Kc7 {or Kc8} 11. Rc6+ Kd7 12. Rd6+ Kxd6 { model double pin stalemate} (12... Rxd6 13. Nxh3 $11) 1/2-1/2

[Event "c. UAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2022"] [Round ""] [White "P. Arestov+M. Hlinka+L. Kekely"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "K7/3B4/8/1n3R2/8/1N4k1/1p6/3r4 w - - 0 1"] [PlyCount "33"] [EventDate "2022"] 
 1. Rg5+ (1. Nd2 $2 Nc7+ $1 2. Kb7 Rxd2 3. Rg5+ Kf4 4. Rg4+ Ke5 5. Rb4 Nd5 6. Rb5 Kf4 $19) 1... Kf4 2. Rf5+ $1 (2. Rg4+ $2 Ke3 (2... Ke5 $1 3. Rg5+ Kf6 4. Rxb5 b1=Q) 3. Nd2 (3. Bf5 Rd8+ 4. Kb7 Nd6+ $19 {fork}) 3... Rxd2 4. Rb4 Nd6 5. Be6 Kd3 6. Ba2 Kc2 $19) 2... Ke3 (2... Ke4 3. Rxb5 (3. Nd2+ $1 Rxd2 4. Rxb5) 3... b1=Q 4. Nd2+ $11 {battery to new queen}) (2... Kg4 $2 3. Rd5+ $18 { battery check}) 3. Re5+ Kf4 (3... Kf2 4. Bf5 $11) 4. Rf5+ Kg3 5. Rg5+ Kh4 6. Rg4+ {till now} Kh5 (6... Kh3 $2 7. Rd4+ $18 {battery check}) 7. Nd2 $1 Rxd2 8. Rb4 Nc7+ $1 9. Ka7 $1 (9. Kb7 $2 Nd5 10. Rb3 Kg5 11. Bb5 Nc3 12. Bd3 Na4 13. Rb5+ Kf6 $1 14. Bb1 Nc3 15. Rb6+ Ke5 $1 $19 16. Bg6 (16. Bh7) 16... Rg2 $1 ( 16... Nd5 $1) 17. Rb4 Nd5 18. Rb3 Kd4 19. Bf5 Rd2 20. Ka7 Kc4 $19) 9... Nd5 10. Rb3 (10. Rb5 $2 Kg6 11. Be6 Nc3 12. Bf5+ Kf6 13. Rc5 Nd5 14. Bb1 Ke5 15. Rb5 Kd4 16. Rb8 Kc3 $19) 10... Kg5 11. Bb5 Nc3 12. Bd3 $1 Kf6 (12... Na4 13. Bb1 ( 13. Be4) (13. Bb5)) 13. Rb4 $1 (13. Bh7 $2 Na4 14. Bb1 Rd1 15. Bc2 Rc1 16. Be4 Re1 17. Bc2 Re7+ 18. Kb8 Re2 19. Bb1 Ke5 $19) (13. Rb8 $2 Ke5 14. Ka6 Kd4 $1 15. Bh7 Rh2 16. Bg6 Nd5 17. Bb1 Kc3 $19) 13... Ke5 14. Ka6 (14. Bh7 $2 Rh2 15. Bd3 Nd5 16. Re4+ Kd6 $19) 14... Nd5 15. Rb3 (15. Rb8 $2 Kd4 16. Bb1 Kc3 17. Kb5 Ne3 18. Rh8 Rd1 19. Bg6 Rd5+ $19) 15... Kd4 16. Ka5 Rxd3 17. Rxb2 $11 1/2-1/2

[Event "sp. cUAPA 21th Ty sec.B.2. Draw"] [Site ""] [Date "2023.08.15"] [Round ""] [White "Alexander Avedisian"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1B3k2/3P4/4p3/4N3/8/8/3q4/6K1 w - - 0 1"] [PlyCount "17"] [EventDate "2023"] 
 1. Kf1 $1 ({Thematic try} 1. Ba7 $2 Ke7 2. Bc5+ Kf6 3. Bb6 Qc1+ $1 4. Kg2 Qb2+ 5. Kf1 (5. Bf2 Ke7 $19) 5... Qb5+ $1 6. Kg2 Qxb6 7. Nc6 { Position A1 with wKg2 - Black wins} Qxc6+ $19) 1... Kg7 ({Additional line} 1... Ke7 2. Bd6+ $1 Kd8 3. Bb8 $1 ({Thematic try} 3. Kg1 $2 Qxd6 4. Nf7+ Kxd7 5. Nxd6 Kxd6 6. Kf2 Kd5 $19 {Position B1 with wKf2 - Black wins}) (3. Bb4 $6 Qf4+ $19 (3... Qxb4 $2 4. Nc6+ $11 {fork})) 3... Ke7 4. Bd6+ Qxd6 5. d8=Q+ $1 Kxd8 ( 5... Qxd8 6. Nc6+ $11 {fork}) 6. Nf7+ {fork} Ke7 7. Nxd6 Kxd6 8. Ke2 $1 Kd5 { Position B with wKe2 - draw} 9. Kd3 Ke5 10. Ke3 Kf5 11. Kf3 $11) (1... Qc1+ 2. Kg2 (2. Ke2 Qb2+) 2... Qb2+ 3. Kf1 (3. Kf3) 3... Qxb8 4. Nc6 $11) 2. Ba7 Kf6 3. Bb6 Qc1+ 4. Ke2 $1 ({Thematic try} 4. Kf2 $2 Qb2+ 5. Kf1 Qb5+ $19) 4... Qb2+ 5. Kd1 $1 ({Thematic try} 5. Kd3 $2 Qb5+ 6. Kd2 Qxb6 7. Nc6 { Position A2 with wKd2 - Black wins} Qf2+ $1 8. Kd1 Qf3+ 9. Ke1 Qe3+ 10. Kf1 Qd3+ $19) 5... Qb3+ 6. Ke2 $1 ({Thematic try} 6. Ke1 $2 Qxb6 7. Nc6 { Position A3 with wKe1 - Black wins} Qe3+ $1 8. Kd1 $2 Qd3+ $19) (6. Kd2 $2 Qxb6 7. Nc6 Qf2+ $19) 6... Qb5+ (6... Qxb6 7. Nc6 $11 {Position A with wKe2 - draw}) 7. Kd1 ({Thematic try} 7. Kf3 $2 Qxb6 8. Nc6 { Position A4 with wKf3 - Black wins} Qxc6+ $19) 7... Qxb6 8. Nc6 { Position A with wKd1 - draw} Qg1+ (8... Qb3+ 9. Ke2 $11) 9. Ke2 $11 1/2-1/2