www.arves.org - UAPA 14th 2021

Studies awarded for the 14th UAPA tournament 2021.

Section Thematic: Fortress

[Event "prize. UAPA 14th Ty tt sec.A "] [Site ""] [Date "2021.04.25"] [Round ""] [White "Sergey Osintsev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/1P4pk/8/1Q3p2/6p1/Kp2p1N1/brp5/2b5 b - - 0 1"] [PlyCount "50"] [EventDate "2021"] 
 1... Rb1+ 2. Kb4 $1 (2. Ka4 $2 b2 $1 3. Qxf5+ g6 4. Qd7+ Bf7 $1 5. Qxf7+ Kh6 6. Kb3 Ra1 $1 7. Qf4+ Kh7 8. Qc7+ Kh6 $11) 2... Ba3+ $1 (2... Bd2+ 3. Ka4 b2 4. Qxf5+ g6 5. Qxc2 $18) 3. Ka4 $3 (3. Ka5 $2 b2 $1 4. Qxf5+ g6 5. Qd7+ Be7 $1 6. Qxe7+ Bf7 $1 7. Qxf7+ Kh6 8. Qf4+ Kh7 9. Qc7+ Kh6 $11 {Having sacrificed the Bishops, Black freed the a-file. Black has two fortresses: the Black King with pawns successfully opposes the white Queen and Knight, the Rook and pawns mutually defend each other, it is impossible} 10. Qxc2 $4 Ra1+ 11. Kb6 b1=Q+ $19) 3... b2 $1 (3... c1=Q 4. Qxf5+ g6 5. Qf7+ Kh6 6. b8=Q Qc6+ 7. Kxa3 Qc5+ 8. Qb4 Qc1+ 9. Ka4 Qc6+ 10. Qb5 Qxb5+ 11. Kxb5 b2 $1 12. Qf8+ $1 Kh7 13. Ne4 $1 $18) 4. Qxf5+ (4. b8=Q $4 Be6 $1 5. Q5e8 Bf8 $3 6. Qxe6 Ra1+ $19) 4... g6 5. Qd7+ (5. Qxc2 $2 Bd6 $1 6. Ne4 Rf1 7. Qxb2 Rf4 8. Qh2+ Kg7 9. Qb2+ Kh7 $1 $11) 5... Be7 $1 6. Qxe7+ (6. b8=Q $2 Bf7 $3 7. Qxb2 Rxb2 8. Qxe7 $11) 6... Bf7 $1 7. Qxf7+ Kh6 8. Qf8+ $1 ({Thematic try :} 8. Qf4+ $6 Kh7 9. Kb3 $2 c1=Q 10. b8=Q Qd1+ 11. Kb4 Qd2+ $1 12. Kb3 $11) 8... Kh7 9. Qe7+ Kh6 10. Qxe3+ Kh7 11. Qe7+ (11. Kb3 $2 c1=Q 12. Qe7+ Kh6 $11) 11... Kh6 12. Qf8+ ({ Try to destroy the fortress with the help of Knight sacrifices are ineffective } 12. Nf5+ $6 gxf5 13. Qf6+ Kh5 $11 (13... Kh7)) (12. Qh4+ $6 Kg7 13. Nh5+ $6 gxh5 14. Qg5+ Kf7 $1 $11) 12... Kh7 13. Qf7+ Kh6 14. Qf4+ $1 Kh7 {Having elimin ated the pawn, the Queen came back, and White carries out the main plan, prepared 12 moves back by the move 3.Ka4!} 15. Kb3 $1 (15. Qc7+ $6 Kh6 16. Kb3 $2 c1=Q 17. b8=Q Qe3+ (17... Qd1+) 18. Qc3 Qe6+ $1 19. Kb4 Qe7+ $1 20. Kb5 Qd7+ $1 21. Qc6 Qxc6+ 22. Kxc6 Rc1+ 23. Kd5 $1 b1=Q 24. Qh8+ Kg5 25. Ne4+ Qxe4+ $1 26. Kxe4 $11) 15... c1=Q 16. b8=Q Qd1+ 17. Kb4 Qa4+ $1 (17... Qe1+ 18. Kb5 Qa5+ 19. Kxa5 $18) 18. Kxa4 Ra1+ 19. Kb5 $1 b1=Q+ 20. Kc6 $1 Qc2+ 21. Kd7 $1 Rd1+ 22. Ke7 $1 Qc5+ 23. Kf6 $1 Qc6+ 24. Kg5 Rd5+ 25. Kxg4 Qe6+ 26. Kf3 $18 1-0

[Event "1.hm.UAPA 14th Ty tt sec.A "] [Site ""] [Date "2021.04.09"] [Round ""] [White "Yochanan Afek"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/8/8/r7/5RK1/p5P1/k7 w - - 0 1"] [PlyCount "31"] [EventDate "2021"] 
 {Black's promotion is unavoidable. How should White meet the new-born Queen?}  1. Rb3 $1 (1. Rf1+ $2 Kb2 2. Rf2+ Kc3 3. Rf3+ Kd2 4. Rf2+ Ke1 $19) 1... Rc4 $1 2. Kf3 $1 (2. Kf2 $2 Rc2+ 3. Kf3 Rb2 4. Re3 Rb4 $1 $19) 2... Rc3+ $1 ({ Non thematic main line} 2... Rc1 3. Rb4 $3 (3. Rb8 $2 Rb1 4. Ra8 Rb4 $1 5. g4 Kb2 $1 6. Kg3 Rb3+ 7. Kf4 Ra3 $19) ({Likewise} 3. g4 $2 Rb1 4. Ra3 Rb4 $1 $19) 3... Rb1 4. Ra4 Kb2 5. g4 a1=Q 6. Rxa1 Rxa1 7. Ke4 $1 {shouldering} Kc3 8. g5 Ra5 9. Kf4 $11) 3. Rxc3 Kb2 4. Rc7 $3 (4. Rc4 $2 a1=Q 5. Kf2 Qa7+ $1 $19) 4... a1=Q 5. Kf2 $1 Qa6 $1 ({main} 5... Qd1 6. Rf7 Kc3 7. Rf3+ Kd2 8. g4 Qh1 (8... Qe1+ 9. Kg2 Ke2 10. g5 Qh4 11. Rg3 Qe4+ 12. Kg1 Qh4 13. Kg2 $11) 9. Kg3 $13 { Followed, when needed, by 10. Rf5 with a third echo fortress.}) 6. Rf7 $1 Qb6+ 7. Kf1 $1 {Alternatives are met by an immediate fork.} Kc1 8. Rf3 $1 { Completeing a cool blooded Rook Rundlauf!} Kd1 { ...And a Chameleon echo fortress A} 9. Rd3+ Kc1 10. Rf3 (10. Rh3 $2 Kd2 $1 11. Rf3 Qb1+ 12. Kf2 Qe1# {Chameleon echo mate A1}) 10... Qd4 ({Or} 10... Kd2 11. Rf2+ Kd1 12. g3 $1 $11) 11. g3 $1 Qe4 12. Kf2 Qh7 13. Kg2 (13. Kg1 $2 Qh3 $19) 13... Qe4 14. Kf2 Kd2 15. Rf4 $1 {Chameleon echo fortress B!} Qe1+ 16. Kg2 $11 {Positional draw.} (16. Kf3 $2 Qe2# {Chameleon echo mate B1. Both fortress positions, known from theory, appear as Chameleon echo pictures along a single main line (with a third one in another main line).}) 1/2-1/2

[Event "2.hm.UAPA 14th Ty tt sec.A "] [Site ""] [Date "2021.03.30"] [Round ""] [White "Oleg Pervakov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6b1/3p4/5Kpk/8/8/8/6N1/8 w - - 0 1"] [PlyCount "21"] [EventDate "2021"] 
 {#} 1. Nh4 $1 Bh7 {Main A (thematic)} ({Main B} 1... g5 2. Nf5+ Kh5 3. Ng3+ $1 Kh4 $1 (3... Kg4 4. Ne4 $11) 4. Nf5+ Kg4 $1 5. Nh6+ Kf4 6. Nxg8 g4 (6... d5 7. Ne7 d4 8. Ng6+ $1 Ke4 9. Ne5 $1) 7. Ne7 g3 8. Ng6+ $1 Ke4 9. Nh4 d5 10. Kg5 d4 11. Kg4 g2 $1 12. Nf3 $1 (12. Nxg2 $2 d3 $19) 12... d3 13. Kg3 g1=Q+ 14. Nxg1 d2 15. Nh3 $1 (15. Ne2 $2 Kd3 $19) 15... d1=Q 16. Nf2+ $11) 2. Nf3 $1 d5 3. Ke6 $1 (3. Ke5 $2 Bg8 $19 {zz} 4. Kf6 Kh5 $1 {zz} 5. Ng5 d4 6. Nf3 d3 $19) 3... Bg8+ 4. Ke5 {zz} Kg7 (4... g5 5. Kf5 Bh7+ 6. Kg4 $11) 5. Ng5 $1 {zz} (5. Nd4 $2 Kh7 $1 6. Kf6 Kh6 7. Nf3 Kh5 8. Nd4 g5 $19) (5. Nh4 $2 Kh7 $1 6. Kf6 d4 $19) 5... Bf7 6. Nf3 $1 {zz} Kh7 7. Ng5+ $1 (7. Kf6 $2 Bg8 $1 {zz} 8. Ke5 Kh6 9. Kf6 Kh5 $1 $19 {zz}) 7... Kg7 (7... Kg8 8. Kf6 $1 d4 9. Nxf7 d3 10. Nh6+ Kh7 11. Ng4 $11) 8. Nf3 Kh6 9. Kf6 Bg8 (9... Be8 10. Nd4 $1 Bd7 11. Ke5 $11) 10. Ke5 Kh5 11. Kf6 {zz. New fortress, based on mutual zugzwangs} 1/2-1/2

[Event "4.hm.UAPA 14th Ty tt sec.A "] [Site ""] [Date "2021"] [Round ""] [White "Poul Rewitz"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1B6/6k1/8/8/2q5/K7/7N/5N2 w - - 0 1"] [PlyCount "23"] [EventDate "2021"] 
 {[#]} 1. Be5+ (1. Bg3 $2 Qc3+ (1... Qc2 $19 {is slower}) (1... Kf7 $2 2. Kb2 $1 $11) (1... Kg6 $2 2. Kb2 $1 $11) (1... Kh7 $2 2. Kb2 $11) (1... Kg8 $2 2. Kb2 $1 $11) 2. Ka2 Kg6 (2... Qc2+ $19 {is slower}) 3. Kb1 Kf5 $1 4. Bf2 Ke4 $1 5. Ng3+ Kd3 $19) 1... Kf7 (1... Kg6 2. Bh8 $1 (2. Bb2 $2 Kh7 $1 {mZZ} 3. Ba1 { - see 3.Bb2?-line (position "Y")}) 2... Kh7 (2... Kf7 3. Kb2 $1 Qh4 4. Bc3 $11) 3. Bb2 $1 (3. Ba1 $2 {- see 3.Bb2?-line (position "Y")}) 3... Kg8 4. Ba1 $1 { - main}) (1... Kg8 2. Ba1 $1 $11 {- main}) (1... Kh7 2. Bb2 $1 Kg8 3. Ba1 $1 $11 {- main}) 2. Bh8 $1 (2. Ba1 $2 Qd3+ 3. Kb2 Kg6 $1 { - see 3.Bb2?-line (position "Z")}) (2. Bb2 $2 Ke6 $1 $19 {mZZ e.g.} 3. Nf3 Qd3+ (3... Qxf1 $2 4. Nd4+ $11) 4. Ka2 Qxf3 $19) 2... Kg8 (2... Kg6 3. Kb2 $1 (3. Bb2 $2 Kh7 $1 {- see 3. Bb2?-line (position "X")}) 3... Qh4 4. Bc3 $11) 3. Ba1 $1 (3. Bb2 $2 Kh7 $1 {mZZ (position "X")} 4. Ba1 {(position "Y")} Qd3+ 5. Kb2 ( 5. Ka2 Kg6 $1 $19) 5... Kg6 $1 {(position "Z")} 6. Kc1 Qc4+ 7. Kd1 (7. Kb1 Qe4+ $1 8. Ka2 Qe6+ $1 9. Ka3 Qa6+ 10. Kb2 Qa5 $1 11. Kb1 Qe1+ 12. Ka2 Kf5 $1 $19) 7... Qa4+ 8. Ke2 Qa6+ $1 $19 (8... Qxa1 $2 9. Nf3 $1 Kf5 10. Ne1 $1 {fortress} (10. Ne3+ $2 Kf4 $1 $19) 10... Ke4 11. Nd2+ $11) 9. Kf2 Qa2+ $1 10. Kf3 Qxa1 11. Ne3 (11. Ng3 Kg5 12. Ne4+ Kh4 $1 (12... Kf5 $2 13. Nf2 Qg1 14. Nhg4 $11) 13. Ng4 Qd1+ $19) 11... Qf6+ 12. Kg2 Qb2+ $19) 3... Qc2 {prevent 5.Kb2.} (3... Qa6+ 4. Kb2 Qa5 5. Kb1 $11) (3... Qd3+ 4. Kb2 $11 ({or} 4. Ka2 $11)) 4. Bb2 Qc4 {prevent 5.Ka2.} (4... Kh7 5. Ka2 $1 $11) 5. Ba1 Qc2 6. Bb2 $11 { a kind of fortress. Black may try to use the king, but it doesn't help. E.g.:} Kf7 7. Ka2 (7. Bh8 Ke6 8. Kb4 $1 {also holds.}) 7... Ke6 8. Ka1 Kd7 9. Ka2 Kc6 10. Ne3 $1 Qxh2 11. Nf5 Kc5 12. Nd4 $11 {fortress.} 1/2-1/2

[Event "2.c.UAPA 14th Ty tt sec.A "] [Site ""] [Date "2021"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1k2B1n1/4P3/6Pp/6p1/6r1/7r/2R2K2/8 w - - 0 1"] [PlyCount "51"] [EventDate "2021"] 
 1. Rb2+ $1 (1. Bd7 $2 Nxe7 2. Bxg4 Rh2+ $19) 1... Kc7 (1... Kc8 2. Rc2+ Kb8 3. Rb2+ $11) 2. Rb7+ $3 (2. Rc2+ Kd6 3. Rc6+ Kxe7 $19) 2... Kd6 $1 (2... Kxb7 3. Bc6+ $11) 3. Rd7+ $1 (3. Bd7 $2 Rh2+ 4. Kf3 Rf4+ 5. Kg3 Nxe7 6. Kxh2 Nxg6 { With theoreticall y won endgame (thematic with addition of knight and bishop), for example :} 7. Be8 Rh4+ 8. Kg3 Nf4 9. Rh7 Ke5 10. Re7+ Kf6 11. Rf7+ Ke6 12. Rb7 h5 {etc.}) 3... Ke5 4. Bf7 $1 ({Thematic try :} 4. g7 $2 Rh2+ 5. Kf1 Ra4 6. Bh5 Ra1+ 7. Bd1 Ra8 8. Rd8 Rh1+ 9. Kg2 Nxe7 $1 10. Rxa8 Rxd1 11. Re8 Kf6 12. Rxe7 Rd8 $19 {and after capturing g-pawn we receive the thematic won endgame with g and h-pawns}) 4... Nxe7 5. Rxe7+ Kf6 6. g7 $3 Rh2+ $1 (6... Kxg7 7. Be6+ {/h5} Kf6 8. Bxg4 $11) 7. Kf3 Rf4+ 8. Kg3 Kxg7 9. Bh5+ $1 (9. Kxh2 $2 $19 { leading to thematic endgame without fortress}) 9... Kf6 10. Rf7+ Ke6 11. Rxf4 Rxh5 12. Re4+ $3 ({Thematic/Logical try :} 12. Ra4 $2 Rh1 $1 13. Ra6+ Kf7 14. Kg2 Rh4 $19 {and no fortress - black is winning by Kg7,Rf4-f6 etc.}) 12... Kf5 (12... Kf6 13. Kg2 $1 $11 {fortress - rook can't go out}) (12... Kf7 13. Kg2 $1 $11 {fortress - rook can't go out}) 13. Ra4 $1 {Fortress. White needed intermediate move Re4+, because Black king must stand on f5} ({Thematic try :}  13. Rb4 $2 Rh1 14. Rb6 h5 15. Rb5+ Kf6 16. Rb6+ Ke7 17. Rb7+ Kd6 {and on} 18. Kg2 Rd1 $19) 13... Rh1 (13... Kf6 14. Kg2 $11 {fortress, the rook is catched}) 14. Ra6 $1 {Now black has no a time for Rh4 and defending the h-pawn by the king from 7-th rank, so he has to play h5 to try to go out offortress} h5 ( 14... Rh4 15. Rb6 {/c6 - just waiting}) 15. Ra5+ Kf6 16. Ra6+ Kg7 { Black king has no way to escape from checks} 17. Ra7+ Kh6 18. Ra6+ Kh7 19. Ra7+ Kg6 20. Ra6+ Kf7 21. Ra7+ Ke6 22. Ra6+ Ke7 23. Ra7+ Kd6 24. Ra6+ $1 Kc7 25. Kg2 $1 Rc1 26. Ra5 $11 1/2-1/2

Section Free Themes: White Wins

[Event "1/2 hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021"] [Round ""] [White "Itay Richardson & Yehuda Hoch"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/p7/3k1P2/1P6/1r6/1P2N3/2K1P3/8 w - - 0 1"] [PlyCount "25"] [EventDate "2021"] [SourceDate "2021.03.08"] 
 1. b6 $1 (1. Nc4+ $2 Ke6 2. f7 Ke7 (2... Kxf7 $2 3. Kc3 Rxb5 4. Nd6+ $18) 3. b6 axb6 4. Kc3 Rb5 $10) (1. f7 $2 Rf4 $10) (1. Nf5+ $2 Ke6 2. f7 Kxf7 3. e3 Ke6 4. Nd4+ Kd5 5. Kc3 a5 6. bxa6 Rb6 7. a7 Ra6 $10) 1... axb6 (1... Rh4 2. Nf5+ $18) (1... Rxb6 2. Nc4+ $18) (1... Rb5 2. bxa7 Ra5 {/c5+} 3. Nc4+ $18) (1... Kc6 2. Nc4 Rb5 3. bxa7 Kb7 4. Nd6+ $18) (1... a5 {(a6)} 2. f7 Rf4 (2... Ke7 3. Nd5+ $18) 3. b7 Kc7 4. Nd5+ $18) (1... Re4 2. f7 Ke7 {/Rf4} 3. bxa7 $18) 2. Nf5+ (2. Nc4+ $2 Ke6 3. f7 Ke7 (3... Kxf7 $2 4. Kc3 Rb5 5. Nd6+ $18) 4. Kc3 Rb5 $10) 2... Ke6 {or else just 3. f7 and Black can't stop promotion} 3. f7 $1 (3. e3 $2 Rg4 4. f7 Rg2+ 5. Kc3 Kxf7 $10) 3... Kxf7 4. e3 $1 Ke6 (4... Rb5 {/e4} 5. Nd6+ $18) (4... Rg4 5. Nh6+ $18) 5. Nd4+ Kd6 $1 (5... Kd5 { would lead to the same continuation}) 6. Kd2 $1 (6. Kd3 $2 Kd5 7. Kc3 Kc5 8. Ne6+ (8. Kd2 {/c2} Rxd4+ $10) 8... Kb5 9. Nd4+ (9. Nc7+ Ka5 $10 (9... Kc5 $2 10. Na6+ $18)) 9... Kc5 (9... Ka5 $2 10. Nc6+ $18) 10. Kd3 Kd5 $10) 6... Kd5 ( 6... Kd7 {/c7} 7. Kc3 $18) (6... Kc5 7. Kc3 b5 8. Ne6+ $18) 7. Kd3 (7. Kc3 Kc5 $10 {as was seen before}) 7... Kd6 (7... Kc5 8. Kc3 b5 9. Ne6+ $18) 8. Ke4 $1 { a:} Kc5 ({another main line b:} 8... Ke7 {(d7, c7)} 9. Kd5 Ke8 (9... Kf6 10. e4 Kg5 11. e5 Kf4 12. e6 Ke3 13. Nc2+ $18) 10. e4 {White can play back and forth in the 6-8th rank, but Black would just move their king back and forth in the squares: e8, f8, f7 and when the White king goes back to c3 to capture the trapped rook, the Black king would always be in time to defend the rook in c5. For example:} (10. Ke6 Kf8 11. Kd7 Kf7 12. Kc6 Ke7 13. Kd5 Ke8 14. Ke4 Kd7 15. Kd3 Kd6 16. Kc3 Kc5 $10 {as was seen before}) 10... Kd7 11. e5 Kc7 12. Ke4 (12. e6 $2 Kc8 13. Ke4 (13. e7 Kd7 14. Ke4 {/e5} Rxb3 15. Nxb3 Kxe7 $10) 13... Kc7 14. Kd3 Kd6 15. Kc3 Rxd4 16. Kxd4 Kxe6 $10) 12... Kd7 (12... b5 13. Kd3 Kb6 14. Kc3 Kc5 (14... Ka5 15. Nc6+ $18) 15. Ne6+ $18) (12... Kb7 13. Kd3 Ka6 14. Kc3 Ka5 15. Nc6+ $18) 13. Kd3 Kc7 14. Kc3 $18) 9. Ke5 $1 {mutual zugzwang} b5 ({ If it was White to move again, they wouldn't win:} 9... -- 10. Ke4 Kd6 11. Kd3 Kd5 12. Kc3 Kc5 $10 {as was seen before}) 10. Ke4 Kd6 11. Kd3 Kd5 12. Kc3 Kc5 13. Ne6+ $18 1-0

[Event "1/2 hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021.02"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7K/r2P2P1/2P1k2n/2q5/5P1P/5R2/5p1B/r1NN4 w - - 0 1"] [PlyCount "25"] [EventDate "21"] 
 1. f5+ $1 ({Try :} 1. Re3+ $2 Kf5 2. Re5+ Qxe5 3. fxe5 Ra8+ 4. Kh7 Rxc1 5. Ne3+ Ke6 6. Kxh6 Rxc6 $11) (1. d8=Q $5 Nf7+ $19) 1... Ke7 (1... Kf7 2. d8=Q Ra8 3. Bb8 $18) (1... Qxf5 2. Re3+ Kf7 3. d8=Q $18) 2. Re3+ $1 (2. g8=Q Nxg8 $11 { Rg7+ Kd8 Rxg8+ Ke7}) 2... Qxe3 $1 (2... Kf6 3. c7 $1 Nf7+ 4. Kh7 f1=Q 5. d8=Q+ $1 Nxd8 6. Be5+ $1 Kxf5 7. c8=Q+ $1 $18 {Qe6 Qc2+ Kg4 Nf2+ Kh5 Bf6 Rxg7+ Bxg7}) 3. Bd6+ $3 ({Thematic try :} 3. Nxe3 $2 Ra8+ $1 4. Kh7 Rxc1 5. f6+ (5. Kxh6 Rxc6+ 6. Kh7 Kf7 $11) (5. c7 $2 Kxd7) (5. Bd6+ $2 Kxd6) 5... Ke6 $1 6. Kxh6 Rxc6 $1 7. Kg6 Rc4 $1 8. Bc7 $1 Rg4+ $1 (8... Rxc7 9. f7) 9. Kh5 Re4 $1 10. d8=Q (10. d8=N+) 10... Rxd8 11. Bxd8 Kf7 $1 $11) 3... Kf7 $1 (3... Kd8 4. Nxe3 $18) (3... Kxd6 4. d8=Q+ Kxc6 5. Qf6+ $1 Kc7 6. Nxe3 $18) 4. Nxe3 $1 (4. g8=Q+ $2 Nxg8 5. Nxe3 R1a4 $1 6. d8=Q Ra8 $1 7. Bb8 $1 Ne7 $1 8. h5 $1 Rh4 $1 9. Qd1 $1 Rxb8+ 10. Kh7 Rg8 $11) 4... Ra8+ 5. Kh7 f1=Q $1 { Removing white knight from e3 to include the black knight in the defense} (5... Ng8 6. Nd3 Nf6+ 7. Kh6 Ng8+ 8. Kg5 Rg1+ 9. Kf4 f1=Q+ 10. Nxf1 Rxf1+ 11. Ke5 Nf6 12. Bc7 Ne8 13. d8=Q Rxd8 14. Bxd8 Rd1 15. Kd4 Nxg7 16. c7 Nxf5+ 17. Ke5 $18) ( 5... Rxc1 6. c7 $18) 6. Nxf1 Ng4 $1 (6... Ng8 7. Nd3 $1 Rxf1 8. Ne5+ $18) 7. Nd3 $3 Rxf1 (7... Nf6+ 8. Kh6 Rxf1 9. Ne5+ $18) 8. Ne5+ $1 (8. Bb8 $2 Nf6+ $1) 8... Nxe5 9. Bb8 $3 (9. Bxe5 $2 Rxf5 $19) (9. Bf8 Rg1 $19) 9... Rxb8 10. c7 Rxf5 $1 11. d8=N+ $3 Rxd8 12. cxd8=N+ $1 Kf6 13. g8=N# $1 {White sacrificed all his army including 2 knights and then promotes 2 new knights (Double Phenix) with ideal mate.} 1-0

[Event "3. hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021.03.11"] [Round ""] [White "Pavel Arestov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/P7/3r2q1/8/1R5R/8/K3k3/8 w - - 0 1"] [PlyCount "25"] [EventDate "2021"] 
 1. Rh2+ $1 (1. a8=Q $2 Ra6+ {/Qe6=}) (1. Rb2+ $2 Kd3 2. Rb3+ Kc2 3. Rh2+ Kc1 $11) 1... Ke3 2. Rh3+ $1 (2. Rb3+ $2 Kd4 $1 3. Rh4+ Kc5 4. Rc3+ Kb5 $1 5. a8=Q Ra6+ $11) 2... Kf2 3. Rb2+ Kg1 4. Rh1+ $1 (4. Rb1+ $2 Kf2 5. Rb2+ Kg1 { loss of time}) 4... Kxh1 5. a8=Q+ Kg1 (5... Rc6 6. Qh8+ Qh6 7. Rb1+ Kg2 8. Qb2+ $18) 6. Qa7+ (6. Rb1+ $2 Kf2 7. Rb2+ Kg1 {loss of time}) 6... Kh1 7. Qb7+ (7. Rb1+ Kh2 8. Qf2+ (8. Rb2+) 8... Qg2 $11) 7... Rc6 $1 {selfin} (7... Kg1 8. Rb1+ Kf2 9. Qb2+ $18) 8. Ka1 $3 {point} (8. Rb1+ $2 Kg2 $11) 8... Qe4 {unpin} (8... Qh6 9. Rb1+ Kg2 10. Qb2+ $18) (8... Kg1 9. Qa7+ Kh1 10. Rb1+ Kh2 11. Qf2+ Qg2 12. Qh4+ $18) 9. Rb1+ Kg2 10. Qb5 $1 (10. Qg7+ $2 Qg6 $1 11. Qb2+ Rc2 $11) 10... Qd4+ (10... Rg6 11. Qb2+ Kh3 12. Qh8+ $1 Kg3 13. Qc3+ Kh2 14. Rb2+ Rg2 15. Qh8+ $1 Kg1 16. Rb1+ $18) 11. Rb2+ $1 {selfin} (11. Ka2 $4 Qa7+ $19) 11... Rc2 $1 {selfin} 12. Qc6+ $1 (12. Qg5+ $2 Kf1 $1 13. Qf5+ Rf2 $1 {selfin} 14. Qb1+ Kg2 $11) 12... Kf2 13. Qxc2+ $18 1-0

[Event "4. hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021.02.10"] [Round ""] [White "Amatzia Avni & Sergey Osintsev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2R5/R6N/2B5/7k/3P3p/1q5b/8/7K w - - 0 1"] [PlyCount "19"] [EventDate "2021"] 
 1. Rg8 $3 {Threatens mate in two and prepares to meet ... Qd1+ with Rg1} (1. Rf8 $2 Qd1+ 2. Kh2 Qe2+ 3. Kxh3 Qg4+ $11) (1. Nf6+ $2 Kg6 $11) (1. Be8+ $2 Kg4 2. Rg7+ Kf4 $11) 1... Bf5 { Best: defends against the mate threat and evacuates h3 for his queen.} (1... Qxg8 2. Nf6+ $18) 2. Nf6+ (2. Bg2 $2 Kh6 $1 $11) 2... Kh6 3. Rh7+ $1 { Deflecting the black bishop from covering square g4} (3. Re7 $2 { to protect square e3 from eventual checks} Qa3 ({or} 3... Qh3+ 4. Kg1 Qa3 $11 { the exposed position of WK does not enable white to exploit his material advantage})) (3. Rag7 $2 Qh3+ 4. Kg1 Qe3+ $11) 3... Bxh7 4. Ng4+ Kh5 5. Be8+ Bg6 6. Bxg6+ (6. Nf6+ $2 Kg5 7. Rxg6+ Kf5 $11) 6... Kxg4 7. Bf7+ (7. Bc2+ $4 Qxg8 $19) 7... Kh3 $1 {[#]} 8. Rg3+ $1 {the second rook is also being sacrificed on an empty square; this time deflecting the black queen from covering square e6} (8. Bxb3 $2 $11 {stalemate}) 8... Qxg3 (8... Kxg3 9. Bxb3 $18) 9. Be6+ Qg4 10. d5 $18 1-0

[Event "1.sp.hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021"] [Round ""] [White "Luis Miguel González"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5R2/1N6/6p1/2r1k3/2q4P/p6K/7P/5R2 w - - 0 1"] [PlyCount "37"] [EventDate "2021"] 
 1. Re8+ $1 ({Thematic try:} 1. Re1+ $2 Kd4 $1 2. Rf4+ Kd5 $1 3. Rd1+ $1 Ke5 4. Rxc4 Rxc4 5. Ra1 Rc3+ 6. Kg4 Kd5 $1 7. Nd8 Kc4 8. Ne6 Kb3 $11) 1... Kd5 $1 ( 1... Kd4 2. Rf4+ Kd5 3. Rd8+ $1 Ke5 4. Rxc4 Rxc4 5. Ra8 Rc3+ 6. Kg4 Kd5 7. Nd8 $1 Re3 (7... Kc4 8. Nc6 $1 Re3 9. Kf4 Rc3 10. Kg5 $1 Rh3 11. Kxg6 Kb3 12. h5 Rxh2 13. Nd4+ Kb2 14. Rb8+ $18) 8. Nf7 Kc4 9. Nh8 Re4+ 10. Kg5 Kb3 11. Rxa3+ Kxa3 12. Nxg6 $18) 2. Rd1+ Kc6 3. Na5+ $1 (3. Nxc5 $2 a2 $1 4. Ree1 Qc3+ 5. Kg4 Kxc5 $1 6. Rc1 a1=Q 7. Rxa1 Qd4+ $11 {perpetual check}) 3... Rxa5 4. Rc8+ Kb5 5. Rb1+ Qb4 $1 6. Rb8+ Kc5 $1 7. Rc1+ $1 Qc4 $1 8. Rc8+ Kd5 $1 9. Rd1+ $1 (9. R8xc4 $2 a2 $1 10. Rg4 a1=Q 11. Rxa1 Rxa1 12. Rxg6 Ke5 $11) 9... Qd4 $1 10. Rd8+ Ke5 $1 11. Re1+ $1 Qe4 $1 12. Re8+ Kf5 $1 13. R8xe4 $1 (13. Rf1+ $2 Qf4 14. Rf8+ Ke5 15. Re1+ Qe4 16. Re8+ Kf5 17. R8xe4 {loss of time}) 13... a2 14. R4e3 $1 Kf4 $1 15. Re7 $1 (15. Re8 $2 Ra3+ $1 16. Kg2 a1=Q 17. Rf8+ Kg4 $11) 15... Ra3+ $1 16. Kg2 a1=Q 17. Rf7+ Kg4 18. Re4+ Kh5 19. Rh7# { After V. Kalandadze, Shakhmaty v SSSR, 1977 (HHdbVI#44238)} 1-0

[Event "2.sp.hm.UAPA 14th Ty sec.win "] [Site ""] [Date "2021"] [Round ""] [White "Poul Rewitz"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/1Pp5/b1K5/4R3/k7/8/1p6/2N5 w - - 0 1"] [PlyCount "13"] [EventDate "2021"] 
 {[#]} 1. Ra5+ $1 ({Try:} 1. Re4+ $2 Ka3 2. Re3+ Ka4 3. Ne2 (3. Na2 Bxb7+ 4. Kxc7 (4. Kc5 Bc8 $1 (4... b1=N $2 5. Re2 $1 Kb3 6. Kd4 c5+ 7. Kxc5 Nc3 8. Nc1+ $18) 5. Nc3+ Kb3 6. Nb1+ Ka2 (6... Kc2 $2 7. Na3+ $18) 7. Nc3+ Kb3 8. Nd1+ Kc2 $11) 4... Be4 $1 (4... Bg2 $2 5. Kd6 $18) 5. Nc3+ Kb4 $11) 3... Bxb7+ 4. Kxc7 Kb4 $1 5. Nc3 Be4 $3 $11 (5... Ba8 $2 6. Na2+ Ka4 7. Kd6 $1 Be4 8. Kc5 b1=Q 9. Nc3+ Ka5 10. Nxb1 $18)) (1. Ne2 $2 Bxb7+ $11) (1. Na2 $2 Bxb7+ $11) 1... Kxa5 2. Nb3+ Ka4 3. Nc5+ $1 (3. b8=Q $2 Bb7+ $1 4. Qxb7 b1=Q 5. Nc5+ Ka3 6. Qxb1 { stalemate}) ({Try:} 3. b8=R $2 Bb7+ $1 (3... b1=Q $2 4. Nc5+ $18) 4. Rxb7 b1=Q ({or} 4... b1=R) 5. Nc5+ Ka5 6. Rxb1 {stalemate}) 3... Ka3 4. b8=R $1 (4. b8=Q $2 Bb7+ $1 (4... Bb5+ $2 5. Qxb5 b1=Q 6. Qa4+ Kb2 7. Qb3+ Ka1 (7... Kc1 8. Nd3+ Kd2 9. Qxb1) 8. Qa3+ Qa2 9. Nb3+ Kb1 10. Qc1#) 5. Qxb7 b1=Q 6. Qxb1 {stalemate} ) 4... Be2 $1 (4... Ka2 5. Na4 $1 $18 (5. Ne4 $2 Kb1 $1 $11)) 5. Kxc7 $1 (5. Ne4 $2 Bf3 $11) (5. Kd5 $2 Ka2 6. Na4 b1=N $1 7. Kd4 (7. Rb2+ Ka3 8. Rxe2 Kxa4 9. Kc4 Na3+ $11) 7... c6 $1 $11) 5... Ka2 6. Na4 (6. Ne4 $2 Kb1 $1 7. Nc3+ Kc2 $11) 6... b1=N $1 7. Kd6 $1 $18 ({or} 7. Kc6 $1 $18) (7. Rb2+ $2 Ka3 $11) 1-0

[Event "1.c.UAPA 14th Ty sec.win "] [Site ""] [Date "2021"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5k2/1Bp1n1p1/5p1p/P1PP3K/5PPP/2p5/8/8 w - - 0 1"] [PlyCount "15"] [EventDate "21"] 
 1. a6 $1 ({Thematic try :} 1. d6 $2 c2 2. d7 Nc6 $1 3. Bxc6 Ke7 $19) 1... c2 ( 1... Kf7 2. d6 c2 3. dxe7 c1=Q 4. Bd5+ Kxe7 5. a7 Qxc5 6. a8=Q $18) 2. a7 Kg8 $3 {Preparing mate trap} ({not} 2... Kf7 3. a8=Q c1=Q 4. Bc6 Nxc6 5. Qxc6 Qxf4 6. Qe6+ Kf8 7. Kg6 $18) 3. d6 $3 (3. a8=Q+ $2 Kh7 4. f5 c1=Q $11) 3... Kh7 $1 { Continuing the plan} 4. f5 $1 (4. dxe7 $4 g6#) 4... cxd6 (4... Nxf5 5. gxf5 c1=Q 6. a8=Q $18) (4... g6+ 5. fxg6+ Nxg6 6. Be4 $1 c1=Q 7. Bxg6+ Kg7 8. a8=Q Qxc5+ 9. Bf5 $18) 5. cxd6 $1 ({Thematic try :} 5. a8=Q $2 c1=Q 6. Qe8 Qe3 $1 { /e1} 7. cxd6 Nxf5 $1 8. Qg6+ (8. Be4 Qxe4 $1) 8... Kh8 9. gxf5 (9. Qxf5 Qe8+ 10. Qg6 Qe5+ 11. Qf5 Qe8+ $11) 9... Qe2+ 10. Qg4 Qe8+ $11 {with perpetual check }) 5... c1=Q (5... Nxf5 6. gxf5 c1=Q 7. a8=Q Qb1 (7... Qd1+ 8. Bf3 $18) 8. Be4 (8. Kg4 h5+ 9. Kf4 Qc1+ 10. Kf3 Qd1+ 11. Ke3 Qxd6) 8... Qd1+ 9. Bf3 $18) 6. dxe7 (6. a8=Q $4 Qc5 $3 $19 7. g5 Qxf5 $19) 6... Qb1 $1 7. e8=Q $1 { 5 moves white could promote a-pawn and didn't do it and finally promotes e-pawn } ({still} 7. a8=Q $4 g6+ 8. fxg6+ Qxg6#) 7... Qxb7 8. a8=B $3 $18 {a-pawn can' t still be promoted to Queen ! Phenix - White square bishop sacrificed and new white square bishop promoted} (8. a8=Q $2 Qf7+ $1 9. Qxf7 {Stalemate}) (8. a8=N $2 Qa7 $1 9. g5 hxg5 10. hxg5 fxg5 11. Qg6+ Kh8 12. Qc6 Kh7 $1 13. Qe4 Qf7+ 14. Kxg5 Qf6+ $11 {Draw The final bishop promotion is known before from the game Reshko - Kaminsky, Leningrad ch. 1972}) 1-0

[Event "2.c.UAPA 14th Ty sec.win "] [Site ""] [Date "2021.12.01"] [Round ""] [White "Mario G. Garcia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2Q5/1B6/5k1K/6p1/qnPp4/2p5/8/8 w - - 0 1"] [PlyCount "11"] [EventDate "2016"] 
 1. Qf8+ $1 ({Try :} 1. Qd8+ $2 Kf7 $1 ({no} 1... Ke6 $2 2. Qc7 Kf5 (2... Qe8 3. Bc8+ Kf6 4. Qg7#) 3. Qc5+ Ke6 4. Bc8+ Kf7 5. Qc7+ Ke8 6. Bf5 Qc6+ 7. Bg6+) 2. Be4 Qa6+ $1 $11) 1... Ke6 2. c5 $1 ({Try :} 2. Bc8+ $2 Ke5 3. Qe7+ Kf4 4. Bb7 ( 4. Qxg5+ Kf3 5. Bg4+ Kf2 6. Qf4+ Ke1 7. Qxd4 Qc6+ 8. Kg5 Kf1 $11) 4... Nc6 $1 $11 {positional draw}) 2... Qd7 3. Bf3 $1 ({Try :} 3. Bc8 $2 Qxc8 4. Qxc8+ Kd5 5. c6 Nxc6 6. Qd7+ Kc5 7. Kxg5 Nb4 $1 $11 {positional draw}) ({or} 3. Bg2 $2 g4 $1 4. Kg6 Nd5 $1 $11) 3... Qc7 (3... Qf7 4. Bg4+ Kf6 5. Qd6+ $18) (3... Ke5 4. Kxg5 Nd5 5. Qh8+ Ke6 (5... Nf6 6. Qxf6#) 6. Bg4+ $18 {pin}) 4. Kg6 $1 (4. Qe8+ $2 Kf6 5. Qg6+ Ke7 6. Qg7+ Kd8 7. Qxd4+ Qd7 $11) 4... Kd7 (4... Qf4 5. Qe8# { mate}) (4... Qe7 5. Qf5#) (4... c2 5. Qf6+ $18) 5. c6+ Nxc6 (5... Ke6 6. Qf6# { mate}) 6. Bg4# {mate Themes : Domination and culmination in mate} 1-0

Section Free Themes: Draws

[Event "1.p.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021.01.01"] [Round ""] [White "Sergey Osintsev & Valery, Shanshin"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3n1BQ1/8/knp5/2K5/7p/p7/1b6 w - - 0 1"] [PlyCount "17"] [EventDate "2021"] 
 1. Be8 $1 (1. Qh8 $2 Nd6+ $1 2. Kb3 Nxf7 3. Qa8+ Kb6 $1 (3... Kb5 $2 4. Qa4+ Kb6 5. Qxd7 h2 6. Qe6+ $11) 4. Kb2 Nfe5 5. Qh8 Nd3+ 6. Ka1 Nb4 $19) (1. Bd5 $2 Nb6+ $1 2. Kxc5 Nxd5 3. Kxd5 h2 4. Qh8 h1=Q+ $1 5. Qxh1 a1=Q $19) 1... Nb6+ $1 (1... Nd6+ 2. Kb3 $1 h2 3. Qxd7 c4+ 4. Kb2 a1=Q+ 5. Kxa1 h1=Q 6. Qc7+ $11) ( 1... Na3+ 2. Kb3 $1 h2 3. Qxd7 $1 c4+ 4. Kb2 c3+ 5. Kb3 (5. Ka1 $2 Nc2#) 5... Bc2+ 6. Kxa2 h1=Q 7. Qc7+ $11) 2. Kxc5 (2. Kb3 $2 Nd4+ $19) 2... Na4+ (2... h2 $2 3. Bxb5 Na4+ 4. Bxa4 h1=Q 5. Qa7#) 3. Kc4 $1 (3. Kd5 $2 Nac3+ $19) 3... Nd6+ $1 (3... h2 4. Qe5 Nac3 5. Bxb5 Bd3+ 6. Kxd3 h1=Q $11) 4. Kd5 $1 (4. Kb3 $2 Nc5+ $1 5. Kb2 (5. Ka3 Nc4#) 5... Nc4+ $1 6. Ka1 Nb3# $1) 4... Nxe8 (4... Nb5 5. Bxb5 $1 h2 6. Qc7+ (6. Qa7+) 6... Kxb5 $11) 5. Qe5 $1 (5. Qa7+ $2 Kb5 $1 6. Qd7+ Kb4 $1 7. Qe7+ Kb3 $1 $19) 5... a1=Q $1 6. Qxa1 h2 7. Qh8 $1 (7. Qxb1 $2 Nc3+ $19) 7... Bh7 $1 8. Qa1 $1 (8. Qxh7 $2 Nf6+ $19) 8... Bb1 9. Qh8 $11 1/2-1/2

[Event "2.p.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021.04.30"] [Round ""] [White "Oleg Pervakov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1k6/3R4/8/1K6/8/5r2/4p1q1/4Q3 w - - 0 1"] [PlyCount "18"] [EventDate "2021"] 
 {#} 1. Qb4 $1 {Creating the battery} ({Not} 1. Rd8+ $2 Kb7 $1 2. Qb1 (2. Qb4 e1=Q $1 $19) 2... Kc7 $1 (2... e1=Q $2 3. Qh7+ $1 $18) 3. Rd5 Qg8 $1 4. Qc2+ Kb8 $19) 1... Rb3 $1 (1... e1=Q $2 2. Qd6+ $1 $18) (1... Kc8 2. Rc7+ Kxc7 3. Qe7+ $11) (1... Rf5+ 2. Kc4+ Kc8 3. Rc7+ Kxc7 4. Qe7+ Kb6 5. Qe3+ $1 $11) 2. Qxb3 e1=Q 3. Rf7 $1 (3. Ka6+ $2 Kc8 $19) (3. Rd5 $2 Qe7 $19) 3... Qe8+ $1 4. Kb4 $3 {zz Mutual zugzwang. Again battery K+Q did not play!} (4. Ka6+ $2 Kc8 $19) 4... Qge4+ {Main A} ({Main B} 4... Qgc6 5. Qg3+ $1 (5. Ka5+ $2 Ka8 $19) 5... Ka8 6. Qa3+ Kb8 7. Qg3+ Kc8 8. Qh3+ Qee6 9. Qh8+ Qce8 10. Qc3+ Q6c6 11. Qh3+ $11 {Perpetual check}) ({Or} 4... Kc8 5. Qc3+ Qgc6 6. Qh3+ $13 {...}) ( 4... Qc8 5. Ka3+ $1 $11) 5. Kc5+ $1 Kc8 6. Rc7+ $1 Kxc7 7. Qb6+ Kd7 8. Qd6+ Kc8 9. Qc7+ $1 Kxc7 $11 {Stalemate} 1/2-1/2

[Event "3.hm.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021.04"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/2B5/8/3nR3/4p3/p4b1p/1RPK1k2/8 w - - 0 1"] [PlyCount "27"] [EventDate "2021"] 
 1. Ra2 $1 ({Logical try 1 :} 1. Rb3 $2 a2 $1 2. Ra3 Nxc7 3. Rxa2 h2 { Position X1 with rook on a2 instead of a3} 4. Ra1 h1=Q 5. Rxh1 Bxh1 $19) 1... h2 ({Important logical line :} 1... Nxc7 2. Rxa3 h2 { Position X1 with rook on a3, white has :} 3. Rxf3+ $1 exf3 4. Rh5 Kg2 5. Rg5+ Kf1 6. Rh5 $11 {Positional draw}) 2. Rh5 $1 Bxh5 3. Bxh2 e3+ 4. Kc1 e2 (4... Nc3 5. Ra1 $1 Ne2+ 6. Kb1 Nc3+ 7. Kc1 e2 8. Kd2 Nd1 9. Bg3+ $1 Kxg3 10. Ke1 $1 Ne3 11. Rxa3 {Pin on 3-rd rank} Kf4 12. Ra4+ Kf3 13. Ra3 $1 { positional draw, can't escape from pin}) 5. c3 $3 {Pin on 2-nd rank} ({ Logical try 2 :} 5. c4 $2 Nc3 6. Rc2 Bg6 7. Bg3+ Kxg3 8. Rxc3+ Kf2 9. Re3 Kxe3 {Position X2, white has additional pawn on c4 and no stalemate}) 5... Nxc3 6. Rc2 $1 {Main A} Nb5 ({Main B} 6... Bg6 7. Bg3+ $1 Kxg3 8. Rxc3+ Kf2 9. Re3 $1 Kxe3 {Ideal Stalemate (this stalemate shown also by Zalkind in 1913 ). Position X2 - see Logical try 2} (9... e1=Q+ 10. Rxe1 Kxe1 {Ideal stalemate})) 7. Be5 $1 {against Nd4} Bg6 8. Bg3+ $1 ({after} 8. Rd2 {simplest is} Bd3 9. Bg3+ Kxg3 $19) 8... Kf3 (8... Kxg3 9. Rxe2 $11) 9. Rd2 Nc3 ({ Another important line :} 9... Nd4 $5 10. Rxd4 Kxg3 11. Kd2 a2 12. Ra4 Kf2 13. Rf4+ Kg3 14. Ra4 {With positional draw}) 10. Bh4 $1 (10. Be1 Ke3 $1 11. Rc2 Bxc2 12. Kxc2 (12. Bxc3 Bg6) 12... Nb5 $1 $19) 10... Ke3 (10... Be4 11. Rd6 { /d7=}) (10... Bf5 {Rd6/d8=}) (10... a2 11. Kb2 $11) 11. Bg5+ $1 (11. Rd6 $2 Na2#) 11... Ke4 (11... Kf3 12. Bh4 $11) 12. Bh4 Ke3 13. Bg5+ Kf2 14. Bh4+ { Positional draw} 1/2-1/2

[Event "4.hm.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021"] [Round ""] [White "Jarl Henning Ulrichsen"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "6B1/p2k1K2/p7/P7/5p2/8/1P6/4n3 w - - 0 1"] [PlyCount "33"] [EventDate "2021"] 
 {White a- and b-pawn draw versus black knight and a-pawn. This draw is not mentioned in books on endgames.} 1. Kf6 f3 2. Bc4 f2 3. Ke5 Nf3+ 4. Kd5 (4. Ke4 $2 Nd2+ $19) 4... Nd2 5. Bxa6 f1=Q 6. Bxf1 Nxf1 7. b3 $3 {Festina lente.} ({ The try (and natural move)} 7. b4 $2 {loses to} Ng3 8. b5 (8. Kc5 Ne4+ 9. Kb5 Kc7 10. Ka6 Kb8 11. b5 Nc5#) 8... Nf5 9. Kc5 Ne7 {(Now White to move loses;} ( 9... Nd6 $2 10. b6 a6 11. b7 $11) 10. b6 a6 11. b7 Nc6 12. Kb6 Nb8 13. Ka7 Kc7 14. Ka8 Nc6 $19) 7... Ng3 8. b4 Nf5 9. b5 Nd6 {(After 9--- RNe7+ 10.Kc5 we have the same position as in the try after Black s 9th move, but now it is Black to move!)} (9... Ne7+ 10. Kc5) 10. Kc5 Nb7+ 11. Kb4 Kc8 12. Ka4 $1 ({Not } 12. a6 $2 Nd6 13. Kc5 Kc7 $19) 12... Nd6 {Black can make no progress.} 13. Kb4 Kd8 14. Kc5 Kd7 15. b6 ({Not} 15. Kb4 $2 Ne4 16. Kc4 Kd6 $19) 15... a6 16. b7 Nxb7+ 17. Kb6 $11 1/2-1/2

[Event "3.c.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021"] [Round ""] [White "Michal Hlinka & Luboš Kekely"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7k/pp6/6K1/1P6/P7/8/2P3n1/8 w - - 0 1"] [PlyCount "29"] [EventDate "2020"] 
 1. c4 (1. Kf6 $2 Ne3 2. c3 Nd5+ $19) 1... Kg8 2. c5 (2. Kf6 $2 Kf8 3. c5 Ke8 4. c6 b6 $19) 2... Kf8 3. c6 $1 (3. Kf6 $2 Ke8 4. Ke6 Kd8 $19) 3... bxc6 4. Kf6 $1 (4. bxc6 $2 Ke7 $19) 4... Ne3 (4... Ke8 5. Ke6 Kd8 6. Kd6 cxb5 7. axb5 Ne3 8. Kc6 Kc8 9. b6 a6 10. b7+ Kb8 11. Kb6 $11) 5. Ke6 (5. bxc6 $2 Ke8 $19) 5... c5 ( 5... cxb5 6. axb5 Nc4 7. Kd5 Na5 8. Kd6 $11) 6. Ke5 (6. a5 $2 Nc4 7. b6 Nxb6 $1 $19) 6... Ke7 7. Ke4 Nc4 8. Kd5 Na5 $1 (8... Nd6 9. Kxc5 Kd7 10. a5 $11) (8... Nb6+ 9. Kxc5 Kd7 10. a5 $11) 9. Kxc5 Kd7 10. Kb4 Nb7 11. a5 Kc8 (11... Nd6 12. Kc5 Ne8 13. Kd5 $11) (11... Kd6 12. a6 Nc5 13. b6 Nxa6+ 14. Kb5 axb6 15. Kxb6 $11) 12. Ka4 $1 (12. a6 $2 Nd6 13. Kc5 Kc7 $19) 12... Nd8 (12... Nd6 13. Kb4 Kd7 14. Kc5 Ne8 15. Kd5 Nf6+ 16. Kc5 $11) 13. Kb4 Kd7 14. Kc5 {zz} Ne6+ (14... Nb7+ 15. Kb4 Kd6 16. a6 Nd8 17. b6 Nc6+ 18. Kb5 $11) 15. Kd5 $11 1/2-1/2

[Event "5.c.UAPA 14th Ty sec.draw "] [Site ""] [Date "2021.02.11"] [Round ""] [White "Pavel Arestov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/5K2/8/4P3/1q6/4k3/8/7R w - - 0 1"] [PlyCount "31"] [EventDate "2021"] 
 1. e6 $1 (1. Rh3+ $2 Kf2 $1 2. e6 Qf4+ 3. Ke8 Qg4 4. Rh6 Qg7 {/g7-+}) 1... Qf4+ 2. Ke8 $1 (2. Ke7 $2 Qg5+ 3. Kd7 Qd5+ $19) 2... Qa4+ 3. Kf7 (3. Kf8 $2 Qa8+ 4. Kf7 Qxh1 $19) 3... Qa2 $1 4. Rh6 $1 (4. Kf6 $2 Qf2+ $19) (4. Rh5 $2 Kf4 $1 5. Kf8 Qa3+ 6. Kf7 Qb3 7. Kf6 Qc3+ 8. Kf7 Qf3 $1 9. Rc5 Kg4+ 10. Ke8 Qa8+ $1 11. Kf7 Qa2 $1 12. Rb5 Qc4 13. Ra5 Qf4+ 14. Ke8 Qc7 $1 $19) 4... Kd4 $1 (4... Kf4 5. Kf6 $1 Qb2+ 6. Kf7 Qa2 7. Kf6 $11 {positional draw}) (4... Ke4 5. Kf8 {/g7=} ) 5. Rh5 $1 (5. Kf6 $2 Qf2+ $1 6. Kg7 Qe3 {/e2-+}) 5... Ke4 $1 (5... Qf2+ 6. Ke8 {/e7=}) 6. Rb5 $1 (6. Kf6 $2 Qf2+ 7. Kg6 Qf8 $19) 6... Qc4 (6... Qf2+ 7. Ke8 $1 $11) (6... Kf4 7. Kf6 $1 Qa1+ 8. Kf7 Qa2 9. Kf6 $11 {positional draw}) 7. Rh5 $1 (7. Rg5 $2 Kf4 $19) 7... Qb3 8. Rc5 $1 Qa2 9. Rb5 $1 Qc4 10. Rh5 $1 Kf3 (10... Qa2 11. Rb5 $11 {positional draw}) 11. Rh7 $1 (11. Rh6 $2 Kg4 $1 $19 ) 11... Kg4 $1 12. Kf8 $3 (12. Rg7+ $2 Kf5 $19) (12. Kf6 $2 Qf4+ $19) 12... Qf4+ (12... Qxe6 13. Rg7+ Kf5 14. Rf7+ Kg6 15. Rg7+ Kh6 (15... Kf6 16. Rg6+ Kxg6 $11 {stalemate 1}) 16. Rh7+ Kxh7 $11 {stalemate 2}) 13. Kg8 $1 (13. Kg7 $2 Qd4+ $19) (13. Rf7 $2 Qb8+ $19) 13... Qc4 (13... Qe5 14. e7 $11) 14. Kf8 $1 ( 14. Kf7 $2 Kg5 $19) 14... Qc8+ 15. Kf7 Qc4 16. Kf8 $11 1/2-1/2