www.arves.org - Problem Paradise 2021

Studies awarded for the Japanese Problem Paradise 2021 tournament.

Studies up to 10 Pieces

[Event "1/2.p. Problem Paradise "] [Site ""] [Date "2021.04.03"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "5Nr1/8/3kP2r/5P2/8/1N2p2B/4K3/8 w - - 0 1"] [PlyCount "18"] [EventDate "2021"] 
 {Black has 2 strong rooks and White pieces are not well coordinated. How can White coordinate his pieces better and defend all of them ?} 1. e7 $1 Kxe7 2. Ng6+ Kf6 3. Bf1 $1 (3. Nf4 Rh4 4. Nd5+ Kf7 5. Bf1 Rb8 6. Nc1 Rh2+ 7. Kxe3 Rb1 {White looses one of his pieces}) 3... Rb8 (3... Re8 4. Nf4 Rh2+ (4... Kxf5 5. Kf3 $11) 5. Ng2 Kxf5 6. Nd4+ Ke4 7. Nf3 Rh5 8. Nfe1 Rh2 9. Nf3 $11) (3... Kxf5 4. Ne7+) 4. Nc5 $1 (4. Nd4 Rh1 $1 {White will loose f1 bishop}) 4... Rb1 $1 (4... Kxf5 5. Ne7+ Kg4 6. Nd5 $11) 5. Nf4 $1 (5. Bg2 Rb2+ 6. Kf3 Rf2+ 7. Kg3 Rxf5 $19) 5... Kxf5 6. Ng2 $1 (6. Nd5 Rh2+ 7. Kd3 Rd1+ $1 $19) 6... Rh2 7. Kd3 $3 ({Logical try :} 7. Ne4 $2 Rb3 $1 8. Nd6+ (8. Nc5 Ra3) 8... Ke5 $1 9. Nc4+ { and now the black rook is not under attack as in main line, f.e.} Kd4 10. Kf3 e2+ $1 11. Kxe2 Kxc4 $19) (7. Nd3 Ke4 8. Nc5+ Kd5 9. Nd3 Kd4 10. Nde1 Ke4 { White is in zugzwang}) 7... Rd1+ (7... Rxf1 8. Nxe3+) 8. Ke2 $1 Ra1 (8... Rd5 9. Na4 $1 Rd4 10. Nc3) ({or} 8... Rc1 9. Ne4 $3 Kxe4 { stalemate, again - no 6.. .Rc3 - as in logical try}) (8... Rb1 9. Kd3 $1 {again }) 9. Ne4 $3 {White plays this move only with the rook on a1 or c1 Main A :} ( 9. Kd3 Ra3+ 10. Ke2 Ke5 11. Nd3+ Kd4 $19) 9... Kxe4 { ideal stalemate with selfblocks !} ({Main B :} 9... Ke5 10. Ng5 $1 Rh5 11. Nf3+ Ke4 12. Nxe3 Ra2+ 13. Nd2+ Kd4 14. Nec4 (14. Bg2 Re5 $1) 14... Rh2+ 15. Kf3 $11 (15. Kd1 $2 Ra1+ 16. Kc2 Rxf1)) (9... Ra3 10. Nd6+ $1 Ke5 {as in logical try} 11. Nc4+ {and the difference from try - black rook under attack}) 1/2-1/2

[Event "1/2.p. Problem Paradise "] [Site ""] [Date "2021.10.24"] [Round ""] [White "Sergey Osintsev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "N7/P7/P3K3/7r/p3k3/7B/P1r5/8 w - - 0 1"] [PlyCount "17"] [EventDate "2021"] 
 1. Nc7 $1 (1. Nb6 $4 Rh6+ $1 2. Kd7 (2. Kf7 Rc7+ $19) 2... Rh7+ $19) 1... Rc6+ (1... Rh6+ 2. Kd7 Rd2+ (2... Rh7+ 3. Kd6 $1 Rh6+ 4. Be6 $18) 3. Ke7 $1 Rh7+ 4. Ke6 $1 (4. Kf6 $2 Rd6+ $11) 4... Rh6+ 5. Kf7 Rh7+ 6. Kg8 $18) 2. Kd7 Rxa6 $1 3. Bg2+ $1 (3. Nxa6 $2 Rh7+ 4. Kc8 (4. Kc6 Rxa7 5. Nc7 a3 $11 (5... Ra5)) 4... Rxa7 5. Bg2+ Kd4 (5... Kd3) 6. Bb7 Kc3 7. Kb8 Rxb7+ 8. Kxb7 Kb2 9. Nb4 Ka3 $11 (9... Kc3)) 3... Kd4 (3... Ke5 4. Nxa6 Rh7+ 5. Kc8 $1 (5. Kc6 $2 Rxa7 6. Nc7 a3 $1 7. Kb6 Ra4 $11) 5... Rxa7 6. Bb7 $1 Kd4 7. Kb8 Rxb7+ 8. Kxb7 Kc3 9. Kb6 Kb2 10. Nb4 Ka3 11. Kb5 $18 (11. Ka5)) (3... Kd3 $2 4. Bf1+ $18) 4. Nxa6 Rh7+ 5. Kc6 $1 (5. Kc8 $2 Rxa7 6. Bb7 Kc3 $1 7. Kb8 Rxb7+ 8. Kxb7 Kb2 9. Nb4 Ka3 $11 ( 9... Kc3)) 5... Rxa7 6. Nc7 $1 Ra5 (6... a3 7. Nb5+ $18) 7. Nb5+ Kc4 (7... Kd3 8. Kb6 $18) 8. Bd5+ $1 Kb4 9. a3# 1-0

[Event "3.p. Problem Paradise "] [Site ""] [Date "2020.12.07"] [Round ""] [White "Marco Campioli"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4R1R1/4PrP1/7K/8/4q1kB/2p5/8/8 w - - 0 1"] [PlyCount "25"] [EventDate "2020"] 
 1. Rgf8 $1 (1. Ref8 $2 Qe6+ 2. Kh7 Qf5+ 3. Kh8 Qh5#) 1... Qe6+ $1 (1... Kxh4 2. Rxf7 Qe6+ 3. Kh7 Qxf7 4. Rh8 Qxe7 5. Kg6+ Kg4 6. g8=Q $18) (1... Qf4+ 2. Kh7 Kxh4 3. Rxf7 Qxf7 4. Rh8 $18) (1... Qe3+ 2. Kh7) 2. Kh7 c2 $1 (2... Rxg7+ 3. Kxg7 Kxh4 4. Rf6 Qd7 5. Rh8+ Kg5 6. Rf7 c2 (6... Qd4+ 7. Kg8 $18) 7. Rg8 c1=Q 8. Kh8+ Kh5 9. Rh7+ $18) 3. Rc8 (3. Rxf7 $2 Qxf7 4. Rf8 Qh5+ 5. Kg8 c1=Q $11) 3... Rxe7 (3... Kxh4 4. e8=Q $18) (3... Qe4+ 4. Kh8 Rxg7 5. Kxg7 Kxh4 6. e8=Q $18) 4. Bxe7 Qe4+ (4... Qxe7 5. Rf6 Qxf6 (5... c1=Q 6. Rxc1 $18) 6. g8=Q+ $18) 5. Kh8 (5. Kh6 $2 Qh1+ 6. Bh4 Qxh4+ $11) (5. Kg8 Qe6+ 6. Kh7 Qe4+) 5... Qh1+ 6. Kg8 c1=Q 7. Rxc1 Qxc1 (7... Qd5+ 8. Rf7 Qa8+ 9. Bf8 $18) 8. Rf6 $1 Qc7 $1 (8... Qh1 9. Bd8 Qd5+ 10. Kh7 Qxd8 11. g8=Q+ $18) 9. Rg6+ $1 (9. Kf7 $2 Qc4+ 10. Kf8 Qc8+) (9. Kh8 $2 Qh2+ 10. Kg8 Qc7) 9... Kh5 (9... Kf5 10. Bd6 Qd7 (10... Qc4+ 11. Kh7 Qh4+ 12. Rh6 $18) 11. Kh7 Qf7 12. Rh6 Kg5 13. Rh1 $18) 10. Rg5+ $1 (10. Bd6 Qc2 11. Rg1 (11. Rg3 $2 Qc1 12. Rh3+ Kg6 13. Kh8 Qa1 $1 $11) 11... Qf2 12. Rh1+ Kg6 13. Kh8 Qd4 $1 $11) 10... Kh6 $1 (10... Kh4 11. Bf6 Qc8+ 12. Kh7 Qc2+ 13. Rg6+ $18) 11. Kh8 $1 (11. Kf7 $2 Qf4+ $11) (11. Kf8 $2 Qf4+ $11) 11... Qxe7 (11... Qc3 12. Bb4 Qf6 (12... Qxb4 13. g8=Q $18) 13. Bd2 $18) 12. g8=Q Qxg5 ( 12... Qe5+ 13. Rg7 $18 (13. Rxe5 $2 $11)) 13. Qh7# 1-0

[Event "1.hm. Problem Paradise "] [Site ""] [Date "2021.04.02"] [Round ""] [White "Itay Richardson"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5k2/8/R1p4P/6P1/3P3n/3P3r/8/5K2 w - - 0 1"] [PlyCount "19"] [EventDate "2021"] 
 1. d5 $1 (1. Rxc6 $2 Nf3 2. g6 (2. Rc8+ Kf7 $10) (2. Rc5 Nxd4 $10) (2. Kg2 Nxg5 3. Rc5 Rxh6 $10) 2... Rxh6 3. Rf6+ Ke7 4. g7 Rxf6 5. g8=Q Nxd4+ $10) 1... cxd5 (1... c5 2. Ke2 Ke7 3. g6 Ng2 4. g7 $18) (1... Rh1+ 2. Kf2 (2. Ke2 $2 cxd5 3. h7 Ng2 $1 4. Kf2 (4. Rh6 Rxh6 5. gxh6 Nf4+ 6. Kf2 Ng6) 4... Rxh7 5. Kxg2 Rh5 $10) 2... cxd5 3. h7 Kg7 4. Rh6 Kh8 5. g6 Rh2+ 6. Kf1 $1 (6. Kg3 {/e3} Nf5+ $10 ) (6. Kg1 {/e1} Nf3+ $19) 6... Rh1+ 7. Ke2 Rh2+ 8. Kd1 Rh1+ 9. Kc2 $18) 2. h7 ( 2. g6 $2 Nxg6 3. Rxg6 Kf7 4. Rb6 Rxd3 $10) 2... Kg7 (2... Ng6 3. Rxg6 Rxh7 4. Kg2 Rh4 5. Rf6+ Kg7 6. Kf2 Rh3 7. Rf3 Rh1 8. Ke3 Kg6 9. Kd4 Kxg5 10. Kxd5 $18) (2... Rh1+ 3. Kf2 $18 {as was seen before}) 3. Rh6 (3. Ra7+ $2 Kh8 $10) 3... Kh8 (3... Rh1+ 4. Kf2 $18 {as was seen before}) 4. g6 { threatening: 5. g7+ with 6.h8=Q+} Rf3+ (4... Rh1+ 5. Ke2 $18 { as was seen before}) (4... Rg3 5. Rxh4 Rxg6 6. Ke2 Re6+ 7. Kd2 Re7 8. Kc3 Re3 9. Rh5 Rg3 10. Rxd5 $18) (4... Nxg6 5. Rxh3 $18) 5. Ke2 (5. Ke1 $2 {/g1} Nxg6 6. Rxg6 Kxh7 $10) 5... Re3+ $1 (5... Nxg6 6. Kxf3 $18) (5... Rf8 6. Rxh4 $18) ( 5... Rg3 6. Rxh4 Rxg6 7. Ke3 Rg5 8. Kf4 Rg7 9. Ke5 $18) 6. Kxe3 (6. Kf2 { /d2/d1/f1} Nf5 $10) 6... Nf5+ 7. Kf3 $1 ({Thematic try:} 7. Kf4 $2 Nxh6 { mutual zugzwang} 8. d4 (8. Kg5 d4 $1 9. Kf4 (9. Kxh6 {stalemate}) 9... Kg7 10. Ke4 Kh8 11. Kxd4 Nf5+ 12. Ke5 Ne7 13. d4 Nxg6+ 14. Kf6 Kxh7 $10) 8... Kg7 9. Kg5 Kh8 $1 10. Kf6 (10. Kxh6 {stalemate}) 10... Ng4+ 11. Kf7 Nh6+ 12. Kf8 Nf5 $10) 7... Nxh6 8. Kf4 {mutual zugzwang - this time Black to move White wins} d4 (8... Kg7 9. Kg5 d4 (9... Kh8 10. Kxh6 {no stalemate}) 10. h8=Q+ $18) 9. Kg5 Kg7 (9... Ng8 10. hxg8=Q+ $18) 10. h8=Q+ $18 1-0

[Event "2.hm. Problem Paradise "] [Site ""] [Date "2021.01.30"] [Round ""] [White "Peter Krug Pavel Arestov"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/5P1P/K7/4P2P/8/8/6kq w - - 0 1"] [PlyCount "45"] [EventDate "2021"] 
 1. h7 $1 (1. f7 $2 Qf3 2. h7 Qc3+ 3. Ka4 Qc6+ 4. Ka5 Qa8+ 5. Kb5 Kf2 6. e5 Ke3 7. e6 Kd4 8. e7 Qb7+ $19) 1... Qxh4 2. f7 $8 Qd8+ (2... Qf6 3. Kb4) 3. Kb5 $1 ( 3. Kb4 $2 Kf2 4. e5 Ke3 5. e6 Kd4 6. e7 Qb6+ $19) 3... Qh8 $1 (3... Kf2 4. e5 Ke3 5. e6 Kd4 6. e7 Qb8+ 7. Kc6 $1 $11) 4. Kc4 $1 (4. Kc6 $2 Qf6+ 5. Kd7 Qxf7+ $19) (4. Kb4 $2 Kf2 5. e5 Ke3 6. e6 Kd4 7. e7 Qb8+ $19) 4... Qf6 (4... Kf2 5. e5 Ke3 6. e6 Qc8+ 7. Kd5 $11) 5. Kb4 $1 (5. Kd5 $2 Qxf7+ $19) (5. Kc5 Kf2 $19) 5... Qe7+ 6. Kc3 $1 (6. Kb5 $2 Qe5+ 7. Kc6 Qe6+ $19) 6... Qe5+ 7. Kb3 $1 (7. Kd3 $2 Qg7 8. e5 Qxh7+ $19) 7... Qg7 8. Kb4 $1 Qd4+ 9. Kb3 $1 (9. Kb5 $2 Qe5+ 10. Kc6 Qe6+ $19) 9... Qd3+ 10. Kb2 $8 Qe2+ 11. Kc3 $1 (11. Kb3 Qf3+ 12. Kb4 Qxe4+ $19) 11... Qf3+ 12. Kd2 $1 Qg2+ 13. Kc3 $1 (13. Ke3 Qg7 $19) 13... Qg7+ 14. Kb4 $1 Qf8+ 15. Kb5 $1 (15. Kc3 Kf2 16. e5 Ke3 17. e6 Qc8+ $19) 15... Qh8 16. Kc4 Qc8+ 17. Kd3 $1 (17. Kd5 Qd7+ 18. Ke5 Qe7+ $19) (17. Kd4 Qf8 $1 $19) 17... Qd8+ 18. Kc4 Kf2 19. e5 Ke3 20. e6 Qf6 $1 (20... Ke4 21. e7 Qxe7 22. h8=Q $11) 21. Kb5 $1 (21. Kd5 $2 Kf4 22. Kd6 Kf5 $19 {i.e.} 23. Kd7 Qxe6+ 24. Kd8 Qh6 25. Ke8 Qxh7 $19) (21. Kc5 $2 Ke4 $1 $19) (21. e7 Qxf7+ $19) 21... Kd3 22. e7 Qxe7 23. h8=Q $11 1/2-1/2

Studies with over 10 pieces.

[Event "1/2.p. Problem Paradise "] [Site ""] [Date "2021.01.08"] [Round ""] [White "Peter Krug"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1q6/1p1bN1B1/1p2pR2/RB2k3/p3N3/6b1/r2P1p1r/5K1n w - - 0 1"] [PlyCount "35"] [EventDate "2021"] 
 1. Ke2 $1 Kd4 $1 (1... Bxb5+ 2. Rxb5+ Kxe4 3. Rxe6+ Kf4 4. Re4+ Kxe4 5. Rb4#) 2. Nf5+ $1 Kd5 (2... Ke5 3. Bd3+ {/c6} bxa5 4. Rf7+ Kd5 5. Ne7#) 3. Ne3+ Kd4 4. Rf7+ Be5 $1 (4... e5 5. Rxd7+ $18) 5. Rxd7+ Kxe4 6. Bd3+ Kf4 7. Rf7+ Kg3 (7... Kg5 8. Bf6+ Kh6 9. Rh7#) 8. Nf1+ (8. Bxe5+ $4 Qxe5 9. Rxe5 f1=Q+ 10. Kxf1 Ra1+ $19) 8... Kg2 (8... Kh3 9. Bxe5 Qg8 10. Rf3+ Kg2 11. Be4 Rxd2+ 12. Nxd2 Qg4 13. Ra8 $18) (8... Kg4 9. Bxe5 Qg8 10. Nxh2+ Kh3 11. Rf3+ Kg2 12. Be4 Kg1 13. Nf1 bxa5 (13... Qg4 14. Bh2+ $18) 14. Bh2+ $18 {leads to mate}) 9. Bxe5 Ng3+ 10. Nxg3 $1 (10. Bxg3 $2 Qxg3 $11) 10... Qg8 11. Rxf2+ Kg1 12. Rxh2 Kxh2 (12... Qg4+ 13. Ke3 Kxh2 14. Rb5 Ra3 15. Kf2 Rxd3 16. Nh5+ Kh3 17. Nf4+ Qxf4+ 18. Bxf4 {+-}) 13. Nh1+ $3 {the point} (13. Ne4+ Kg2 14. Nf2 Rxd2+ {=}) 13... Kxh1 14. Be4+ Kg1 15. Bd4+ Kh2 16. Rh5+ Kg3 17. Be5+ Kg4 18. Bf3# {unterminated} 1-0

[Event "1/2.p. Problem Paradise "] [Site ""] [Date "2021.04.03"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5N1N/5KB1/7p/b3P2k/p3R2p/5P2/8/3r2q1 w - - 0 1"] [PlyCount "23"] [EventDate "21"] 
 1. Nhg6 $1 {with Nf4+ and Bf6 mating threats} (1. e6 $2 Re1 2. Rxe1 Qxe1 3. e7 Bb4 4. e8=Q Qxe8+ 5. Kxe8 Bxf8 6. Kxf8 h3 $11) (1. Bf6 $2 {f.e.} Rd4) 1... Qg3 (1... Rd7+ 2. Ke6 Qxg6+ 3. Nxg6 Rxg7 4. Nf4+ Kg5 5. Nh3+ Kg6 6. Rxh4 Bd2 7. Rxa4 $18 {capturing both black pawns and winning with connected e and f pawns}) (1... Rd4 2. Nf4+ $18) 2. Bf6 $1 (2. Nf4+ $2 Kg5 3. Bf6+ Kf5 4. N4e6 Qxf3 5. Rxh4 Qb7+ 6. Kg8 Rg1+ 7. Kh8 Rg4 8. Rh5+ Rg5 $11) 2... Rd7+ $1 3. Ke8 $1 (3. Nxd7 $2 Qxg6+ 4. Ke7 Qxe4 5. fxe4 h3) (3. Ke6 Qh3+ (3... Bd2 4. Rxh4+ Qxh4 5. Nxh4 Rb7)) 3... Bd2 {the only defense against Nf4+} (3... Ra7 4. Nf4+ $18) 4. Kxd7 {Still Black queen is pinned to defend against mate threats on h4, so Black has no choice} Bg5 {no other defense against Rxh4+} 5. Nxh4 $1 Bxf6 (5... a3 6. Nf5 $1 Qh3 $1 7. Ke6 $1 a2 8. Ra4 $18 {Zugzwang !}) 6. exf6 a3 7. Rg4 $1 (7. Ne6 a2 8. Ng7+ Kg5 $11) ({Thematic try :} 7. Nfg6 a2 $1 8. Ra4 Qg5 $3 9. Rxa2 Qd5+ 10. Ke7 Qxa2 11. f7 Qa3+ 12. Kf6 Qb2+ 13. Ne5 Kxh4 14. f8=Q Qb6+ $1 15. Kg7 Qc7+ $11 { With perpetual check / or white has to lose his knight or pawn}) 7... Qxh4 $1 ( 7... a2 8. Rxg3 a1=Q 9. Rg6 $1 Qa4+ (9... Kxh4 10. f7 $18) 10. Ke7 $18) 8. Ne6 $3 ({Thematic try :} 8. Rxh4+ Kxh4 9. f7 a2 10. Ng6+ Kg5 $1 11. f8=Q a1=Q { With perpetual check / or white has to lose his knight or pawn}) 8... Qxg4 $1 9. fxg4+ Kg6 10. Ke7 $1 a2 11. f7 a1=Q 12. f8=N# $1 {Model mate} (12. f8=Q { is perpetual check or white loses g4 pawn after queen exchange}) 1-0

[Event "1.hm. Problem Paradise "] [Site ""] [Date "2021.09.23"] [Round ""] [White "Amatzia Avni Martin Minski"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "Q2B2k1/P1p5/2P2P2/4p2P/1p2P3/2pp1p2/1br2P2/3K4 w - - 0 1"] [PlyCount "21"] [EventDate "2019"] 
 1. f7+ $1 (1. Be7+ $2 Kh7 $19) 1... Kxf7 2. Bg5 {position Y} Rd2+ $1 (2... Re2 3. Qe8+ {see later}) 3. Ke1 $1 {[#]} ({logical try} 3. Bxd2 $2 c2+ 4. Ke1 Bc3 $19 {position X}) 3... Rd1+ $1 (3... Re2+ 4. Kf1 d2 5. Qe8+ $1 Kxe8 6. a8=Q+ Kf7 7. Qa2+ Kg7 (7... Kf8 8. Bh6+ Ke7 9. Bg5+ Kf8 10. Bh6+ $11 {perpetual check }) 8. h6+ Kf8 9. Qa8+ Kf7 10. Qa2+ $11 {another perpetual check}) ({similarly}  3... c2 4. Qe8+ $1 Kxe8 5. a8=Q+ Kf7 6. Qa2+ Kg7 7. h6+ Kf8 8. Qa8+ Kf7 9. Qa2+ $11) 4. Kxd1 {position Y without BRc2} c2+ 5. Ke1 d2+ $1 6. Bxd2 (6. Kxd2 $4 c1=Q+ 7. Kd3 Qc3#) 6... Bc3 $1 {[#] position X without BPd3} 7. Qe8+ $1 (7. Qf8+ $2 Kxf8 8. a8=Q+ Kg7 $1 $19) 7... Kxe8 8. a8=Q+ (8. a8=R+ $2 Kf7 $1 $19) 8... Ke7 (8... Kf7 $4 9. Qa2+) 9. Qa1 $1 (9. Kf1 $2 Bxd2 $19) 9... Bxa1 10. Bxb4+ {the move comes with check, and this is why the BK had to be on e7} Ke6 11. Kd2 $11 (11. Ba3 $4 Bc3+ $19) 1/2-1/2

[Event "2.hm. Problem Paradise "] [Site ""] [Date "2021.12.31"] [Round ""] [White "Amatzia Avni"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2R2N2/8/8/Q5pp/6pk/1P6/1p1P2pK/8 b - - 0 1"] [PlyCount "18"] [EventDate "2020"] 
 1... g1=Q+ (1... b1=Q 2. Ng6+ Qxg6 3. Qe5 $18) 2. Kxg1 b1=Q+ 3. Kf2 (3. Kg2 $2 Qe4+ $11) 3... g3+ 4. Ke3 (4. Ke2 $2 Qe4+ $11) 4... g2 5. Ng6+ $1 (5. Qb4+ $2 g4 6. Ng6+ Qxg6 7. Rc1 Kh3 $11 {e.g.} 8. Qf4 h4 9. Kf2 (9. b4 Qe6+ 10. Kf2 g3+ 11. Kg1 Qe1+ $1 12. Rxe1 $11) 9... Qb6+ 10. d4 g3+ 11. Kg1 Qxd4+ $1 12. Qxd4 $11) 5... Qxg6 (5... Kh3 {is defeated by} 6. Rc3 $3 Kh2 (6... g1=Q+ 7. Ke2+) ( 6... Qe1+ 7. Kd4+) 7. Qc7+ Kh1 8. Qc6 Kh2 9. Rc1 g1=Q+ 10. Rxg1 Qxg1+ 11. Ke2 Qg4+ 12. Qf3 Qe6+ 13. Kf1 $18) 6. Kf2 $1 (6. Rc1 Qf6 (6... Qd6 $11)) 6... Qf7+ 7. Kxg2 Qb7+ 8. Kh2 { Following a long journey, the king is back where it started} Qxc8 { Black had finally obtained material equality...} 9. Qb4+ Qg4 (9... g4 $4 10. Qe7#) 10. Qa4 $1 $18 {A little move which decides the battle.} 1-0

[Event "sp.hm. Problem Paradise "] [Site ""] [Date "2021.08.31"] [Round ""] [White "Peter Krug"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1R6/P5Q1/8/b6q/2b1NP2/6P1/1PN4P/2k4K w - - 0 1"] [PlyCount "63"] [EventDate "2021"] [TimeControl "300"] 
 1. Ne1 $3 ({Try} 1. h4 $2 Qd1+ 2. Kh2 Qe2+ $1 (2... Qxc2+ $2 3. Kh3 Be6+ 4. Qg4 {+-}) 3. Kh3 Be6+ 4. g4 Qf1+ 5. Kg3 Qd3+ 6. Kf2 Qxc2+ 7. Ke3 Bd2+ 8. Kd4 Bxf4 9. Rc8 Qxc8 10. Nc5 Qd8+ 11. Ke4 Qd5+ 12. Kxf4 Qd2+ 13. Ke5 Qxb2+ 14. Kxe6 Qxg7 15. a8=Q Qxg4+ {=}) 1... Bxe1 (1... Qd1 2. Qd4 $1 Qxd4 3. a8=Q Bd5 4. Rb4 $3 Qd2 5. Qc8+ Kb1 6. Qc2+ {+-}) 2. Rb3 {!} Qd1 3. Qg4 $1 Qxg4 (3... Be2 4. Kg2 $1 $18) 4. a8=Q Qe2 (4... Ba5 5. Rc3+ (5. Nc3 $2 Bxb3 6. Qxa5 Qf3+ 7. Kg1 Kxb2 8. Qc5 Qxc3 $11) 5... Bxc3 6. Nxc3 Kxb2 7. Kg2 $1 Kxc3 8. Qf3+ Qxf3+ 9. Kxf3 Kd4 10. Kg4 Bd3 11. Kg5 {+-}) 5. Qa1+ (5. Rc3+ $2 Kb1 $1 6. h4 Qf1+ 7. Kh2 Qe2+ 8. Nf2 Bxc3 9. bxc3 Qxf2+ 10. Qg2 Qe1 11. f5 Bf1 12. Qf3 Qd2+ 13. Kg1 Bd3 14. Qf2 Qd1+ 15. Kh2 Be4 {=}) 5... Kc2 6. Rc3+ Bxc3 7. Qb1+ Kxb1 8. Nxc3+ Kxb2 9. Nxe2 Bxe2 10. Kg2 Kc3 11. Kh3 Kd4 12. Kh4 Kd5 13. f5 $1 (13. Kg5 Ke6 14. f5+ Kf7 $11 ) 13... Kd6 14. Kg5 Ke7 15. Kg6 Bg4 16. h4 Kf8 17. h5 Kg8 18. h6 $1 (18. f6 $2 Be6 $11) 18... Bd1 19. h7+ Kh8 20. f6 Bc2+ 21. Kf7 Bg6+ (21... Kxh7 22. Ke7 Bg6 23. f7 Bxf7 24. Kxf7 Kh6 25. Kf6 Kh5 26. Kf5 Kh6 27. g4 Kg7 28. Kg5 Kf7 29. Kh6 $18) 22. Ke7 Kxh7 23. f7 Bxf7 24. Kxf7 Kh6 25. Kf6 Kh5 26. Kf5 Kh6 27. g4 Kh7 28. Kf6 Kh6 29. g5+ Kh7 30. Kf7 $1 (30. g6+ $2 Kh8 $1) 30... Kh8 31. Kg6 $1 Kg8 32. Kh6 $18 {unterminated !+-} 1-0