www.arves.org - e4-e5 2013 Ty

Studies of the e4-e5 2013 Magazine tournament.

[Event "1-2. prize"] [Site ""] [Date "2013"] [Round ""] [White "Becker=R )"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/7k/5p2/7K/q2p2Q1/8/6N1/8 w - - 0 1"] [PlyCount "39"] [EventDate "2012"] 
 1. Qg6+ Kh8 2. Kh6 Qd7 3. Nf4 $1 {zz} ({Thematic try} 3. Nh4 $2 Qe7 4. Nf5 Qf8+ 5. Kh5 d3 $1 {=}) 3... Qe7 4. Ne6 {zz} d3 (4... f5 5. Ng5 Qf8+ 6. Kh5 Qg7 7. Qe8+ Qg8 8. Qe7 {+-}) 5. Qxd3 Kg8 6. Qg6+ Kh8 7. Qe4 $1 (7. Qc2 $2 Qb7 $1 {=}) ({Thematic try} 7. Qb1 $2 Kg8 8. Qb8+ Kf7 9. Nd8+ Kg8 10. Qb3+ Kf8 11. Ne6+ Ke8 {=}) 7... Kg8 (7... Qa7 8. Nc7 {+-}) 8. Qa8+ Kf7 9. Nd8+ Kf8 (9... Kg8 10. Qd5+ Kf8 11. Ne6+ Ke8 12. Ng7+ Kf8 13. Nf5 $1 Qe5 14. Qd8+ Kf7 15. Qd7+ Kf8 16. Kh7 Qh2+ 17. Nh6 Qc2+ 18. Kh8 {+-}) 10. Nc6+ Qe8 11. Qa3+ Kf7 12. Qb3+ Kf8 13. Qb4+ Kf7 14. Qc4+ Kf8 15. Qc5+ Kf7 16. Qd5+ Kf8 17. Qd6+ Kf7 (17... Kg8 18. Qg3+ {+- }) 18. Nd8+ Kg8 19. Qg3+ Kf8 20. Qg7# {The choice of 3.Nh4? creates a position of nearly zz.  Black can move only the d-pawn, but it is enough to draw.  3. Nf4! leads to real zz.  The d-pawn can move, but gets captured.  The wQ also has choice of moves 7.Qb1? and 7.Qe4!  The final mate may not important, but the study contains interesting ideas of "pseudo-logic"} 1-0

[Event "1-2. prize"] [Site ""] [Date "2013"] [Round ""] [White "Arestov=P "] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/P1RR4/8/rp6/6K1/8/5p2/6k1 w - - 0 1"] [PlyCount "19"] [EventDate "2013"] 
 1. Rc1+ $1 ({Thematic try:} 1. Rd1+ $2 f1=Q 2. Rxf1+ Kxf1 3. Kf3 Ke1 4. Ke3 Kd1 5. Kd4 Ra4+ 6. Kc3 (6. Kc5 b4 7. Kb5 Rxa7 8. Rxa7 b3 $11) 6... Ke2 $1 7. Kb3 Ke3 $1 (7... Kd3 $2 8. Rh7 $1 $18) 8. Rc3+ (8. Rh7 Kf3 $1 $11) 8... Kd4 $1 9. Rc4+ $1 Rxc4 $1 10. a8=Q Kc5 $1 11. Qa7+ Kc6 12. Qa6+ Kc5 13. Qa7+ Kc6 {- pos. draw}) 1... f1=Q 2. Rxf1+ Kxf1 3. Kf5 $1 {zz} (3. Kf3 $2 Ke1 4. Ke3 Ra4 $1 5. Kd3 Kf2 $11) 3... Kf2 $1 4. Kf4 $1 {zz} (4. Ke4 $2 Ke2 $1 {zz}) 4... Ke1 $1 ( 4... Ke2 5. Ke4 {- main line.}) 5. Ke5 $1 {zz} (5. Ke3 $2 Ra4 $1 $11) (5. Ke4 $2 Ke2 $1 $11 {zz}) 5... Ke2 6. Ke4 $1 {zz} Ke1 (6... Ra4+ 7. Kd5 Kd3 8. Kc5+ Kc3 9. Kxb5 $18) (6... b4 7. Kd4 Kd2 8. Kc4+ Kc2 9. Kxb4 $18) 7. Kd3 $1 (7. Ke3 $2 Ra4 $1 $11) (7. Ke5 Ke2 8. Ke4 Ke1 {- loss of time.}) 7... Ra4 (7... Ra3+ 8. Kd4 b4 9. Kc4 b3 10. Kc3 $1 $18) 8. Rf7 $1 {zz} Ra3+ 9. Kd4 $1 Kd2 10. Kc5 $18 {.  Pleasant rook study with nice thematic try.  It is a pity that in the thematic try are no  zugzvang positions.} 1-0

[Event "3. prize"] [Site ""] [Date "2013"] [Round ""] [White "Krug=P"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/1RP3N1/3P3P/qp3R2/4k1pb/5p2/5Pn1/6KB w - - 0 1"] [PlyCount "39"] 
 1. Kh2 Bxf2 2. Rxf3 Bg1+ 3. Kxg2 gxf3+ 4. Kg3 Qc3 5. c8=Q (5. Rxb5 $2 Bc5 6. d7 (6. Kg4 Bxd6 7. Rb3 Qxc7 8. Bxf3+ Ke5 $11) 6... Bd6+ 7. Kg4 Bxc7 8. Nf5 Bd8 9. h7 Qf6 10. Bxf3+ Kd3 11. Rd5+ Kc3 12. Kf4 Kb4 $11) 5... Qxc8 6. Bxf3+ Ke5 7. d7 Qc1 8. Rxb5+ Bc5 9. d8=R $1 (9. Rxc5+ Qxc5 10. d8=R $13) (9. d8=Q $2 Qf4+ 10. Kh3 Qg3+ 11. Kxg3 {stalemate}) 9... Qe1+ 10. Kh3 (10. Kg4 $2 Qg1+ 11. Kh3 $1 ( 11. Kh5 $2 Qg5+ 12. Kxg5 {stalemate}) 11... Qf1+ {loss of time}) 10... Qf1+ 11. Bg2 (11. Kh4 Qxb5 12. h7 Qc4+ 13. Kh3 Qc3 14. Re8+ Be7 $11) 11... Qxb5 12. h7 Qb3+ 13. Kh2 Bg1+ (13... Qb4 14. Re8+ Kf6 15. Nh5+ Kf7 16. Bd5+ Kxe8 17. h8=Q+ $18 {LEGTB}) 14. Kh1 Qb1 15. Re8+ Kf4 16. Rf8+ Kg3 17. Nf5+ Kg4 18. Bh3+ $1 Kg5 $1 19. Rg8+ Kf4 20. Rg4+ $18 (20. Rxg1 $2 Qb7+ 21. Bg2 Qxh7+ $19 {. Everything that happens after  8th move interesting looking. But, why  need given play before 8th move?}) 1-0

[Event "1. prize"] [Site ""] [Date "2013"] [Round ""] [White "Mikitovics=J  "] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7R/n5K1/6P1/8/8/2P1P3/1b1kr3/8 w - - 0 1"] [PlyCount "39"] [EventDate "2013"] 
 1. Rh4 $3 ({Thematic try} 1. Kf8 $2 Rf2+ $1 (1... Bxc3 $2 2. Rh4 $1 Rxe3 3. Rh7 {main}) 2. Ke8 Nb5 $1 3. g7 (3. Rh5 Nd6+ 4. Ke7 Nc8+ $1 (4... Ba3 $2 5. Ra5 $1 Nf5+ 6. Kf6 $1 Nd4+ 7. Kg7 Nf5+ 8. Kf6 {positional draw} Nxe3+ 9. Ke6 $1 Bb2 10. Rg5 $3 Bxc3 11. g7 Rf6+ 12. Ke7 $11) 5. Kd7 (5. Kd8 Rf8+ $19) 5... Nb6+ $19 ) 3... Nc7+ 4. Ke7 Ba3+ 5. Kd8 (5. Kd7 Rf7+ $19) 5... Ne6+ $19) (1. Rd8+ $2 Kc2 2. Kf8 Nc6 3. Rd4 Rxe3 4. Rf4 Ba3+ 5. Kg8 Re8+ 6. Kh7 Re2 7. Rf7 Rh2+ 8. Kg8 Bb2 9. Rc7 Nd8 10. g7 Bxc3 $19 {LEGTB}) 1... Bxc3+ (1... Rg2 2. Kf7 $1 Nc6 ( 2... Nb5 3. g7 Nd6+ 4. Kf8 Nf5 5. Rh7 $1 Ba3+ 6. Kf7 Kxe3 7. g8=Q {(g8R)} Nd6+ 8. Kf8 Nf5+ 9. Kf7 Nd6+ 10. Kf8 {positional draw}) 3. g7 Ne5+ 4. Ke6 $1 Bxc3 5. Rh2 $3 $11 {pin}) 2. Kf8 $1 (2. Kh7 $2 Rg2 3. Ra4 Rh2+ 4. Kg8 Rh8+ 5. Kf7 Nc6 $1 6. g7 Ne5+ $1 $19) (2. Kf7 $2 Rxe3 3. g7 Rf3+ $19) 2... Rxe3 (2... Rf2+ 3. Rf4 Rg2 4. Ra4 $1 Nc6 5. Ra2+ $11) 3. Rh7 $3 Nc6 (3... Bb4+ 4. Kg8 Nc8 5. Rd7+ Ke2 6. g7 Ne7+ 7. Kf7 Rf3+ 8. Ke6 Ng8 9. Rd8 Rf6+ 10. Ke5 $1 (10. Kd5 $2 Ne7+ 11. Kc4 Rf4+ 12. Kb3 Rg4 $19) 10... Bc3+ 11. Ke4 $11 (11. Kd5 $2 Ne7+ 12. Kc4 Rc6+ $19)) 4. Rd7+ Ke2 5. g7 Bb4+ 6. Kg8 (6. Kf7 $2 Ne5+ $19 {fork} (6... Rf3+ $2 7. Ke6 $11)) 6... Ne5 7. Rc7 $3 Bc3 (7... Kd3 8. Rb7 $1 Kc4 9. Rb6 $1 Bc3 10. Kh7 (10. Rh6 $2 Rd3 11. Rh5 Rd7 12. Rg5 Nf7 13. Rg6 Nd6 14. Kf8 Rf7+ 15. Kg8 Kc5 $1 $19) 10... Rh3+ 11. Rh6 $11) 8. Kf8 $1 Bb4+ (8... Rf3+ 9. Ke7 $1 (9. Ke8 $2 Rg3 10. Kf8 Bb4+ $19) 9... Bb4+ 10. Ke6 $11) 9. Kg8 Rg3 10. Kh7 $1 (10. Kh8 $2 Ba5 11. Re7 Rh3+ 12. Kg8 Bc3 13. Kf8 Rf3+ 14. Ke8 Rg3 15. Kf8 Bb4 $19 { pin}) 10... Rh3+ 11. Kg8 Kd3 $1 12. Rb7 $1 (12. Rc5 $2 Bc3 $1 $19 (12... Bxc5 $2 {stalemate}) (12... Ng4 $2 13. Rg5 $11)) (12. Re7 $2 Bc3 $19 (12... Bxe7 $2 {stalemate}) (12... Ng4 $2 13. Re6 $11)) (12. Rc1 $2 Ng4 $1 (12... Rg3 $2 13. Kh7 $11) (12... Bc3 $2 13. Rg1 $11) 13. Rf1 Ke3 $3 14. Kf7 Rg3 $1 15. Ke8 (15. Rh1 Ne5+ 16. Ke6 Nf3 17. Rb1 Bc3 $19) 15... Ne5 $19) 12... Rh4 (12... Kc4 13. Rf7 Bd2 14. Rf5 Kd4 15. Rxe5 $11) 13. Rf7 $3 (13. Rb5 $2 Bc3 14. Kf8 Rf4+ 15. Ke8 Rg4 16. Kf8 Nd7+ 17. Ke8 Kc4 $1 18. Rb7 Nc5 $19) (13. Re7 $2 Bc3 $19 (13... Bxe7 $2 {stalemate})) 13... Rg4 14. Rf5 $1 Bc3 15. Kh7 Rh4+ 16. Kg8 Ke4 $1 ( 16... Rg4 17. Kh7 {positional draw}) 17. Rg5 Kf4 (17... Rf4 18. Kh7 Rh4+ 19. Kg8 {positional draw}) 18. Kf8 $1 (18. Rg2 $2 Rh6 $1 19. Kf8 Bb4+ 20. Kg8 Bc5 21. Rg5 Bd4 $19 (21... Kxg5 $2 {stalemate}) (21... Rf6 $2 22. Rxe5 Kxe5 23. Kh7 Bf8 $3 24. g8=Q Rh6#)) 18... Bb4+ (18... Kxg5 19. g8=Q+ Ng6+ 20. Kf7 $11 (20. Ke8 $2 Rh8 $19 {pin})) 19. Kg8 (19. Ke8 $2 Kxg5 20. g8=Q+ Kf5 $1 21. Kd8 (21. Qg7 Bd6 $1 22. Kd8 Rb4 $1 $19) 21... Rh8 $19 {pin}) 19... Bc3 (19... Kxg5 { stalemate}) (19... Nf3 20. Rb5 $11 (20. Rd5 $2 Ng5 21. Rd4+ Kg3 22. Rd3+ Kg4 23. Rd4+ Kh5 24. Rxh4+ Kxh4 25. Kh8 Bc3 $19 {pin})) 20. Kf8 {positional draw. Realized ideas: stalemates, positional draws, mutual pins and sacrifices, fork. In the work can see many "sparks": 1.Rh4!! - 3.Rh7!! - 7.Rc7!! etc} 1/2-1/2

[Event "2-3 prize"] [Site ""] [Date "2013"] [Round ""] [White "García=M Perone=D)"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "4K3/1bPB4/1P6/P2P4/8/8/k1r5/r7 w - - 0 1"] [PlyCount "27"] [EventDate "2013"] 
 1. Bc6 $1 (1. d6 $2 Ka3 $1 2. Kd8 {e.g.} Rd1 3. c8=Q Bxc8 4. Bxc8 Rxd6+ 5. Ke7 Rdc6 $19) 1... Ba6 ({main} 1... Bxc6+ 2. dxc6 Rd1 3. c8=N $1 Rxc6 (3... Re2+ 4. Ne7 $11) 4. b7 Rb1 (4... Re6+ 5. Kf7 Re2 6. Ne7 $1 Rf1+ 7. Ke8 Rh1 8. Kd7 Rd1+ 9. Ke8 Rb1 10. a6 $11) 5. Kd7 Rh6 6. Nd6 $1 (6. Nb6 $2 Rh7+ 7. Kc8 Rb3 8. Nd7 Rc3+ 9. Kd8 Rd3 10. b8=N Rc3 11. a6 Rh6 $19) 6... Rh5 7. a6 Ra5 8. Ne4 $1 Rxa6 9. Nc3+ $11) 2. Kd7 Rh1 3. c8=N $1 Rh8 (3... Ka3 4. Ne7 Kb4 5. b7 Rh8 6. Kc7 $1 ({Try :} 6. Nc8 $2 Bxb7 7. Bxb7 Kxa5 8. d6 (8. Bc6 Rg2 9. Kc7 Rg7+ 10. Bd7 Rhh7 11. Nb6 Rh6 12. d6 Rh1 13. Nc8 Kb4 14. Kd8 Kc5 $19) 8... Kb5 9. Bc6+ Kc5 $19) 6... Bxb7 7. Kxb7 {similar at solution}) 4. Ne7 $1 (4. Nd6 $2 Ka3 5. b7 Rb2 6. Kc7 Rb3 7. Bd7 Rh7 8. Kc8 Kb4 $19) 4... Ka3 5. Kc7 $1 (5. Ng6 $2 Rh7+ 6. Ne7 Rd2 7. Kd8 Kb4 8. b7 Bxb7 9. Bxb7 Kxa5 $19) 5... Kb4 (5... Rh7 6. d6 Kb4 7. b7 $11) 6. b7 Bxb7 7. Kxb7 Kc5 8. Nc8 $1 Rh7+ (8... Rb2+ 9. Nb6 $1 Rh7+ 10. Ka6 $11) 9. Ka6 Ra2 10. Bb7 $1 Rhh2 (10... Rh3 11. Nb6 Rh6 (11... Kb4 12. Bc6 { similar at solution}) 12. Bc6 $11) (10... Rg7 11. Bc6 $1 Rc7 12. Bb7 Ra1 13. Nb6 Rh7 14. Nc8 $11) 11. Nb6 Kb4 12. Bc6 Rxa5+ 13. Kb7 Rh7+ 14. Nd7 $1 $11 {. Study with two interesting lines. One line ends with the fork, another with the fortress.} 1/2-1/2

[Event "2-3. prize "] [Site ""] [Date "2013"] [Round ""] [White "Skripnik=A Mikitovics=J, Minski=M"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "7n/2R5/2P5/5r2/8/8/3b2k1/3K1N2 b - - 0 1"] [PlyCount "26"] [EventDate "2013.08.07"] 
 {BTM} 1... Bf4 (1... Kxf1 2. Kxd2 $11) 2. Ne3+ $1 (2. Rc8 $2 Kxf1 3. Rxh8 Rc5 $1 $19) 2... Bxe3 3. Rc8 $1 Nf7 4. c7 $1 Kf2 $1 (4... Rd5+ 5. Ke2 Bg5 6. Rg8 $11) 5. Rd8 $1 (5. Re8 $2 Rd5+ 6. Kc2 Rc5+ 7. Kd3 Rxc7 8. Rxe3 Rd7+ $19) 5... Rc5 {(thr: 6...Rc1#)} 6. c8=Q Nxd8 $1 7. Qc6 $3 Ne6 $1 (7... Nxc6 {/Rxc6 stalemate}) 8. Qc8 $1 (8. Qc7 $2 Rd5+ $19) 8... Nf4 (8... Rc7 9. Qf8+ Bf4 10. Qa3 $1 Rd7+ 11. Kc2 Nd4+ 12. Kb1 {/Kb2} Rb7+ 13. Ka2 $11) 9. Qc7 $1 (9. Qc6 $2 Kg1 {/Kg3-+}) 9... Kg1 (9... Rxc7 {stalemate}) 10. Qg7+ Kf1 $1 11. Qc3 $1 (11. Qb2 $2 Rd5+ 12. Kc2 Rd2+ $19) 11... Rd5+ (11... Rxc3 {stalemate}) 12. Kc2 Rc5 13. Kd1 $1 Rd5+ 14. Kc2 {positional draw.   Disadvantages of  initial position is obvious. However, the authors found their compensation. Here are beautiful moves 2.N3! 6.Qc6!! 7...Ne6 etc} 1/2-1/2

[Event "Sp. prize"] [Site ""] [Date "2013"] [Round ""] [White " Mikitovics=J "] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2N3Kn/1R6/5P1P/2nk4/8/7p/6P1/r7 w - - 0 1"] [PlyCount "36"] [EventDate "2013"] 
 1. Ne7+ $1 (1. gxh3 $6 Nxb7 2. f7 Nxf7 $1 3. Kxf7 Rf1+ $1 (3... Nd8+ $2 4. Ke8 $1 Ne6 5. h7 Ra8 {pin} 6. Kd7 Nf8+ 7. Kc7 Nxh7 8. Nb6+ $11 {fork}) 4. Kg7 Nd8 $1 5. Ne7+ (5. h7 Ne6+ 6. Kh6 Rh1 7. Ne7+ Kc5 8. Kg6 Rxh3 9. Kf6 Kd6 $19) 5... Kc5 $3 6. h7 Ne6+ 7. Kh6 Rh1 $19) (1. Nb6+ $2 Kc6 $1 $19 (1... Ke6 $2 2. Re7+ $1 Kxf6 3. Nd5+ Kg5 4. gxh3 $11)) (1. Rg7 $2 h2 $19 (1... Ra8 $2 {pin} 2. f7 $11)) 1... Kc4 $1 (1... Ke5 2. Rb5 $1 {pin} (2. f7 $2 Nxf7 3. Ng6+ Kd6 $1 4. Rb6+ Kc7 $1 $19) 2... h2 3. Rxc5+ Ke6 (3... Kxf6 4. Nd5+ Kg5 5. Ne3+ Kxh6 6. Ng4+ $11) 4. Rh5 $11) 2. gxh3 (2. f7 $2 Nxf7 3. gxh3 Nxh6+ 4. Kh7 Nxb7 $19) 2... Ra8+ 3. Kg7 Nxb7 (3... Ne6+ 4. Kh7 Ng5+ 5. Kg7 Ne6+ 6. Kh7 {positional draw}) 4. Ng8 (4. f7 $2 Nc5 $3 5. f8=N $1 (5. f8=Q Ne6+ $19 {fork}) 5... Ra7 $1 {pin} 6. Nfg6 Nxg6 $19) 4... Kd5 (4... Nd6 5. Kxh8 Kd5 6. Kg7 Ra7+ 7. Ne7+ Ke6 8. h7 Nf7) 5. Kxh8 {selfpin} Nd8 $1 {unpin} (5... Nc5 6. f7 $1 Ne6 (6... Ke6 7. Kg7 Ra7 {pin} 8. h7 $11) 7. Kh7 Ra7 {pin} 8. Kg6 {selfunpin} (8. Nf6+ $2 Ke5 $19) (8. h4 $2 Nd8 9. Kg6 Nxf7 $19) 8... Nf8+ 9. Kg7 $11) 6. Ne7+ $1 (6. Kg7 $2 Ne6+ $19 (6... Ra7+ $2 7. Ne7+ Ke6 8. h7 {main})) 6... Ke6 7. Kg7 Ra7 $1 {pin} 8. h7 $1 (8. h4 $2 Rb7 $3 9. h5 Nf7 10. h7 Rd7 11. h6 Nh8 $19) 8... Nf7 {unpin} 9. Nc6 $1 ({Thematic try} 9. h4 $2 Rb7 $3 (9... Nh8 $2 10. h5 $3 {zz} Rc7 11. Kg8 $3 {zz} Rd7 (11... Rc5 12. Kg7 Rc7 13. Kg8 {zz, positional draw}) 12. Kxh8 Kf7 13. Nc6 Rd5 14. h6 $1 {zz} Rd6 15. Ne5+ Kxf6 16. Ng4+ Kg6 17. Ne5+ $11) 10. h5 Rd7 $1 {zz} 11. h6 Nh8 $3 12. f7 Nxf7 $19 (12... Rxe7 $2 13. Kxh8 Kxf7 { stalemate})) 9... Rd7 $1 (9... Rc7 10. Nd4+ Ke5 11. Nf3+ $1 (11. Nc6+ $2 Kd5 12. Ne7+ Ke6 $19) 11... Ke6 12. Nd4+ $11) 10. h4 $3 {zz} (10. Ne7 $2 Nh8 11. h4 Rb7 12. h5 Ra7 13. h6 Rd7 14. f7 Nxf7 $19) 10... Ng5+ 11. Kg8 $1 Nf7 (11... Nxh7 12. f7 Kf6 (12... Nf6+ 13. Kh8 Rxf7 (13... Rc7 14. Nd8+ Ke7 15. f8=Q+ Kxf8 16. Ne6+ $11 {fork}) 14. Nd8+ $11 {fork}) 13. Kxh7 Rxf7+ 14. Kh6 Rf8 15. Kh5 Rc8 16. Nb4 $1 Kf5 17. Kh6 Rc4 18. Nd5 $11) 12. Kg7 $1 Rd5 $1 13. Ne7 $1 Rd4 14. Ng6 $1 (14. h5 $2 Rd7 $3 {zz} (14... Rg4+ $2 15. Ng6 Rg5 16. h6 $11) 15. h6 Nh8 $1 16. f7 Nxf7 $19) 14... Rg4 {pin} 15. h5 Rg5 16. h6 Nh8 17. Kxh8 (17. f7 $2 Nxf7 18. h8=Q Nxh8 19. Kxh8 Kf7 20. Nf4 Rf5 $1 21. Nd3 Rd5 $1 22. Nb4 Rb5 $1 23. Nc6 Rc5 $1 24. Nd8+ Kg6 25. Kg8 Rc8 $19 {pin}) 17... Rxg6 (17... Kf7 18. Ne5+ Rxe5 {stalemate}) 18. f7 Kxf7 {stalemate.   Interesting study with the rich contents: mutual pins,  zugzwangs, sefpin, unpins, forks, sacrifices, stalemates.} 1/2-1/2 
 [pgn autoplayMode=none][Event "Sp. Hm"] [Site ""] [Date "2013"] [Round ""] [White "Krug=P "] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "3q4/4R1P1/6Nb/7b/3p4/B7/2KN3k/8 w - - 0 1"] [PlyCount "24"] 
 1. Bd6+ Qxd6 (1... Kh3 2. Nf4+ Bxf4 3. Bxf4 Bg6+ 4. Kd1 Bh7 5. Re2 Kg4 6. Be5 $11) 2. g8=Q Bxg6+ 3. Kd1 Bh5+ 4. Re2+ Bxe2+ 5. Kxe2 d3+ (5... Qe5+ 6. Kd1 Qh5+ 7. Ke1 Qa5 8. Qb8+ Kg2 9. Qb2 (9. Qb7+ $2 Kg1 10. Qb2 Qe5+ 11. Kd1 Qe3 12. Qa2 Bf4 13. Qc2 d3 $19) 9... d3 10. Qb7+ Kg1 11. Qb2 $11) 6. Kd1 Qf4 7. Qa2 Kg1 8. Qa7+ Kh1 9. Qa8+ Kh2 10. Qa2 Qg4+ 11. Nf3+ Kg3 12. Qf2+ Kxf2 {and model stalemate with pin of wN. Noteworthy additional lines of solution.} 1/2-1/2