[Event "1.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "M. Gromov & O. Pervakov"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6q1/3Prp1R/RQ3p2/P1P2pr1/2k2K2/8/4PP2/8 w - - 0 1"]
[PlyCount "41"]
[EventDate "2021"]

1. Qd6 $1 (1. Qb2 $2 Rg4+ 2. Kf3 Rf4+ $1 3. Kxf4 Qg4#) (1. Qxf6 $2 Re4+ 2. Kf3
Rg3+ 3. fxg3 Qg4+ 4. Kf2 Rxe2+) 1... Rg3 $1 (1... Rxe2 2. d8=Q Rxf2+ 3. Ke3
Rg3+ 4. Kxf2 Rg2+ 5. Ke3 $1 $11) (1... Rxd7 2. Qxd7 Rg4+ 3. Kf3 Rf4+ 4. Ke3 $1
Re4+ 5. Kd2 $18) 2. Qd4+ $1 (2. Qd5+ $2 Kxd5 3. d8=Q+ Qxd8 4. Rd6+ Qxd6+ 5.
cxd6 Rg4+ 6. Kxf5 Ree4 $19) 2... Kxd4 3. d8=Q+ Qxd8 4. Rd6+ Qxd6+ 5. cxd6 Rg4+
6. Kxf5 Ree4 (6... Rg5+ 7. Kxf6 Ree5 8. Rh4+ $1 Kd5 9. e4+ $1 Kc6 $1 10. f4 $1
Rh5 11. Rxh5 $1 Rxh5 12. e5 $11 Kd7 13. a6 Rh1 14. f5 Ra1 15. Kxf7 Rxa6 16. e6+
Kxd6 17. e7) 7. e3+ $1 Kd5 $1 8. f3 $1 Rg5+ 9. Kxf6 Ree5 (9... Rg6+ 10. Kxf7
Ree6 11. d7 Ref6+ 12. Ke7 $1 $11) 10. e4+ $1 (10. f4 $2 Rgf5+ 11. Kg7 Re6 $19)
10... Kxd6 11. f4 Rg6+ 12. Kxf7 Ree6 13. e5+ Kd5 $1 14. f5 Rh6 $1 15. Rxh6 $1 (
15. Rg7 $2 Rxe5 $19) 15... Rxh6 16. e6 Rh7+ (16... Kd6 17. f6 $11) 17. Kg6 $1 (
17. Kf6 $2 Kd6 $19) 17... Ra7 18. e7 $1 Rxe7 19. f6 Ra7 (19... Re6 20. Kg7 $11)
20. f7 Ra8 21. Kg7 1/2-1/2

[Event "2.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "L.M. Gonzalez"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "8/2Pp1K2/3p4/8/8/p2p1k1p/7P/8 w - - 0 1"]
[PlyCount "83"]
[EventDate "2021"]

1. c8=Q d2 $1 2. Qc2 $1 (2. Qc3+ $2 Ke2 3. Qc2 Ke1 $1 4. Qe4+ Kd1 $1 $11) 2...
Ke2 3. Kf8 $3 (3. Kg6 $2 Ke1 4. Qe4+ Kd1 5. Qa8 Ke2 6. Qe8+ Kd3 $1 $11 {
wK interferes the b1-h7 diagonal!}) (3. Kf6 $2 Ke1 4. Qe4+ Kd1 5. Qa8 Ke1 6.
Qe8+ Kf2 $1 $11 {wK interferes the f-file!}) (3. Ke7 $2 Ke1 4. Qe4+ Kd1 5. Qa8
Ke2 $1 $11 {wK interferes the e-file!}) (3. Kg7 $2 d5 $1 4. Kh6 d6 $1 5. Kg5
Ke1 6. Qc3 a2 $11) 3... Ke1 (3... d5 4. Ke7 $1 Ke1 5. Qc3 d4 6. Qg3+ Kd1 7.
Qf3+ Kc2 8. Qf5+ $1 d3 9. Qc5+ Kd1 10. Kxd7 a2 11. Qc3 Ke2 12. Qe5+ Kf2 13. Qa1
$18) 4. Qe4+ {1st round trip} Kd1 5. Qa8 $1 (5. Kg7 $2 a2 $1 $11) 5... Ke2 6.
Qe8+ $1 (6. Qa6+ $2 Ke1 $1 $11) 6... Kd3 $1 7. Qg6+ $1 (7. Qh5 $2 Kc2 $1 8.
Qf5+ Kc1 $11) 7... Ke2 8. Qh5+ $1 Ke1 9. Qe8+ $1 Kd1 $1 (9... Kf2 10. Qf7+ $1
Ke1 11. Qe7+ Kd1 12. Qxd6 a2 13. Qa3 Ke1 14. Qe3+ Kd1 15. Qc3 Ke2 16. Qe5+ Kf2
17. Qa1 Ke2 18. Qxa2 $18) 10. Qf7 $1 (10. Qxd7 $2 a2 $1 $11) 10... Kc1 $1 11.
Qc4+ $1 Kd1 $1 12. Kg7 $1 {1st step forward} Ke1 13. Qe4+ {2nd round trip} Kd1
14. Qa8 $1 Ke2 15. Qe8+ $1 Kd3 $1 16. Qg6+ $1 Ke2 17. Qh5+ $1 Ke1 18. Qe8+ $1
Kd1 $1 19. Qf7 $1 Kc1 $1 20. Qc4+ $1 Kd1 $1 21. Kh6 $1 {2nd step forward} Ke1
22. Qe4+ {3rd round trip} Kd1 23. Qa8 $1 Ke2 24. Qe8+ $1 Kd3 $1 25. Qg6+ $1 Ke2
26. Qh5+ $1 Ke1 27. Qe8+ $1 Kd1 $1 28. Qf7 $1 Kc1 $1 29. Qc4+ $1 Kd1 $1 30. Kg5
$1 {3rd step forward} Ke1 31. Qe4+ {4th round trip} Kd1 32. Qa8 $1 Ke2 33. Qe8+
$1 Kd3 $1 34. Qg6+ $1 Ke2 35. Qh5+ $1 Ke1 36. Qe8+ $1 Kd1 $1 37. Qf7 $1 Kc1 $1
38. Qc4+ $1 Kd1 39. Kf4 $1 $18 {4th step forward and wins e.g.} Ke1 40. Ke3
d1=Q 41. Qh4+ Kf1 42. Qf2# {
Systematic movement of white Queen e4-a8-e8-g6-h5-e8-f7-c4 repited 4 times} 1-0

[Event "3.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "S. Osintsev"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "6n1/1q2N2k/2p4P/2R3P1/R7/7K/8/8 w - - 0 1"]
[PlyCount "15"]
[EventDate "2021"]

1. g6+ (1. Nxg8 $2 Qb3+ 2. Kg2 Qxa4 3. Nf6+ Kg6 $11) 1... Kh8 (1... Kxh6 2.
Rh4+ Kg7 3. Rh7+ $18) 2. g7+ (2. Nxg8 $2 Qb3+ 3. Rc3 $1 (3. Kg2 $2 Qxa4 4. Nf6
(4. Ne7) 4... Qa2+ $11) 3... Qxc3+ (3... Qxa4 $2 4. Nf6 $18) 4. Kg4 $1 Qe5 $3
5. Nf6 $1 Qe6+ $1 6. Kg5 Qe5+ 7. Kg4 Qe6+ $11) 2... Kh7 3. Nxg8 $1 Qb3+ 4. Kh4
$3 (4. Kg4 $6 Qxg8 $1 5. Rg5 Qe6+ $1 6. Kf3 Qf6+ 7. Kg4 Qe6+ 8. Kh4 Qe1+ $1 9.
Rg3 Qh1+ $1 (9... Qe7+ $2 10. Kh3 $1 $18) 10. Kg4 Qd1+ $11) (4. Kg2 $2 Qxa4 5.
Nf6+ Kxh6 6. g8=Q Qe4+ $1 7. Nxe4 $11) (4. Kh2 $2 Qxa4 5. Nf6+ Kxh6 6. g8=Q
Qh4+ $1 $11) 4... Qxa4+ (4... Qxg8 5. Rg5 $18) 5. Kg5 Kxg8 (5... Qd1 6. Nf6# $1
) 6. Ra5 $3 (6. Re5 $2) (6. Rf5 $2) 6... Qxa5+ 7. Kg6 c5 8. h7# $1 1-0

[Event "4.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "V. Tarasiuk"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "8/6r1/p7/8/RK1N4/1p6/7p/1B1k4 w - - 0 1"]
[PlyCount "17"]
[EventDate "2021"]

1. Ra1 $1 (1. Be4 $2 b2 $19) 1... Kd2 $1 (1... Rb7+ 2. Kc3 b2 3. Bc2#) (1... b2
2. Bc2+ Kd2 3. Rd1+ Ke3 4. Nf5+ $18) 2. Nf3+ Ke3 3. Nxh2 Rg1 $1 (3... Rg2 4.
Nf1+ $18) 4. Kxb3 Kf4 5. Kb4 $1 (5. Ka4 $2 a5 $1 {zz} 6. Nf3 $5 Kxf3 7. Be4+
Kf2 $1 $19) 5... a5+ $1 6. Ka4 $1 {zz} (6. Kxa5 $2 Rh1 $11) 6... Rc1 {- main A:
} (6... Rd1 {- main B:} 7. Nf3 $1 ({Try:} 7. Ng4 $2 Rd4+ $1 8. Kb5 Kxg4 $11)
7... Kxf3 8. Be4+ $1 Kxe4 (8... Ke2 9. Bf3+ $1 $18) 9. Rxd1 {win.}) 7. Ng4 $1 (
{Try:} 7. Nf3 $2 Rc4+ $1 8. Kb5 Rb4+ 9. Kxa5 Rb8 $11) 7... Kxg4 (7... Rc4+ 8.
Kb5 $1 Rb4+ 9. Kxa5 Rb8 10. Ra4+ Kg5 11. Bd3 $18) 8. Bf5+ $1 Kxf5 9. Rxc1 {win.
} 1-0

[Event "5.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "J. Sprenger"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "2k5/3R4/4K1P1/8/8/2n5/2b5/8 w - - 0 1"]
[PlyCount "25"]
[EventDate "2021"]

{White needs to trade his pawn for the bishop at a moment when the Black king
and knight are uncoordinated. The study shows two main lines with echo-like
finish where White wins the R vs N endgame with precise manoeuvres, and three
thematic tries on move 4 and 5.} 1. g7 Bb3+ 2. Kd6 $1 (2. Ke7 $2 Nd5+ $10) 2...
Ne4+ 3. Ke7 Ng3 $1 4. Rd8+ $1 {Paradoxically, the square c8 is quite good for
the Black king: both b7 and c7 are worse.} ({thematic try} 4. Rd3 $2 Nf5+ 5.
Kf6 Nxg7 6. Rxb3 Ne8+ $1 7. Ke7 Nc7 $10) 4... Kc7 ({main} 4... Kb7 $5 5. Rf8 $1
({thematic try} 5. Rd3 $2 Nf5+ 6. Kf6 Bc4 $1 7. Rc3 Nxg7 8. Rxc4 Ne8+ $1 9. Ke7
Nc7 $10) 5... Nh5 6. g8=Q Bxg8 7. Rxg8 Nf4 8. Kd6 $1 Nd3 9. Rg3 Nb4 10. Rb3 $18
{White wins the knight on the b-file}) 5. Rd3 $1 (5. Rf8 $2 {thematic try} Nh5
$1 6. g8=Q Bxg8 7. Rxg8 Nf4 $10) 5... Nf5+ 6. Kf6 Be6 $5 (6... Bc4 7. Rc3 $1
Nxg7 8. Rxc4+ $18 {check!}) (6... Nxg7 7. Rxb3 {transposes}) 7. Kxe6 Nxg7+ 8.
Kf6 Nh5+ $1 (8... Ne8+ 9. Ke7 {no Nc7 possible} Ng7 10. Rd5 $18) 9. Ke7 $1 Nf4
10. Rc3+ Kb6 11. Kd6 Kb5 12. Re3 $1 {The final pointe.} Kc4 13. Re4+ {
White wins the knight on the 4th rank} 1-0

[Event "6.p Sergey Zakharov MT"]
[Site "Chess.com"]
[Date "2021"]
[Round ""]
[White "P. Kiryakov & P. Arestov"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/6N1/8/6p1/2R5/5Pk1/7p/3b1K1n w - - 0 1"]
[PlyCount "21"]
[EventDate "2021"]
[TimeControl "600"]

1. Nh5+ $1 ({Logical try} 1. Nf5+ $2 Kh3 2. Rg4 Bc2 $1 (2... Bxf3 3. Rxg5 {=})
3. Ne3 (3. Rxg5 Bd3+ $1 (3... Bxf5 4. Rh5+ Kg3 5. Rxf5 Nf2 6. Rg5+ {=}) 4. Ke1
Bxf5 5. Rh5+ Kg2 $1) 3... Bd3+ 4. Ke1 Ng3 5. Kf2 h1=Q 6. Rxg3+ Kh4 7. Ng2+ Kh5
8. Nf4+ gxf4 9. Rg5+ Kh6 10. Rg6+ Bxg6 $1 {no stalemate}) 1... Kh3 (1... Kxf3
2. Rc3+ Kg4 3. Kg2 Nf2 4. Ng3 {=}) 2. Rg4 Nf2 (2... Bxf3 3. Rxg5 Nf2 4. Nf4+
Kh4 5. Rg1 $1 Ng4 6. Ng2+ $1 Kg3 (6... Kg5 7. Rh1 {=}) 7. Ne3+ hxg1=Q+ 8. Kxg1
Nxe3 {= Stalemate!}) 3. Kxf2 (3. Nf4+ gxf4 4. Kxf2 Bxf3) 3... Bxf3 $1 (3...
h1=Q 4. Nf4+ gxf4 5. Rh4+ Kxh4 {= Stalemate}) 4. Rg3+ (4. Rxg5 h1=Q 5. Nf4+ Kh4
6. Rg6 Qd1) 4... Kh4 5. Nf4 $1 (5. Ng7 h1=Q 6. Nf5+ Kh5 7. Rxf3 Qh2+ 8. Kf1 g4)
5... gxf4 (5... h1=Q 6. Ng6+ Kh5 7. Nf4+ gxf4 (7... Kh6 8. Rh3+ {=}) (7... Kh4
8. Ng6+) 8. Rg5+ Kh6 9. Rg6+ {=}) 6. Rg8 $1 ({Try} 6. Rg7 $2 Be4 $1) ({Try} 6.
Rg6 $2 Bh5 $1) 6... h1=Q 7. Rg4+ Kh5 (7... Kxg4 {= stalemate}) (7... Bxg4 {
= stalemate}) 8. Rg5+ Kh6 9. Rg6+ $1 {
Compare with logical try. Now Bishop is on f3, not on d3.} Kh7 10. Rg7+ Kh8 11.
Rg8+ {=} 1/2-1/2

[Event "7.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "M. Roxlau & M. Minski"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "k2nK3/8/NP4p1/pn4pp/7p/7B/8/8 w - - 0 1"]
[PlyCount "29"]
[EventDate "2021"]

1. Bg2+ $1 (1. Nc5 $2 Nb7 2. Bg2 Kb8 $1 3. Nxb7 Nc7+ $11 (3... h3 $11)) (1.
Kxd8 $4 Kb7 $19) 1... Nb7 2. Kd7 $1 (2. Nc5 $2 Kb8 $11 {see 1.Nc5?}) 2... h3 $1
(2... N5d6 3. Bc6 a4 4. Kc7 a3 5. Nc5 a2 6. Nxb7 Nb5+ 7. Bxb5 a1=Q 8. Bc6 Qg7+
9. Kc8 Qf8+ 10. Nd8#) 3. Bc6 $1 (3. Bxh3 $2 a4 (3... N5d6 $11) 4. Bg2 a3 $11) (
3. Be4 $2 N5d6 4. Bc6 h2 5. Nc5 Kb8 $11) 3... Na7 $1 (3... N5d6 4. Kc7 a4 5.
Nc5 $18) 4. Be4 $1 ({logical try:} 4. Bh1 $2 h2 $1 5. Nc5 Kb8 6. Nxb7 Nc8 7.
Kc6 g4 8. Nxa5 g3 9. b7 Na7+ {position X with wBh1} 10. Kd7 $4 (10. Kb6 $11)
10... h4 11. Nb3 h3 12. Nc5 g2 $19) (4. Bd5 $2 h2 5. Nc5 Kb8 6. Nxb7 $4 (6.
Bxb7 Nc8 7. Bxc8 $11) 6... Nc8 7. Kc6 Ne7+ $19) 4... h2 $1 (4... g4 5. Nc5 Kb8
6. Bxb7 Nc8 7. Bxc8 $18) 5. Nc5 Kb8 6. Nxb7 Nc8 7. Kc6 g4 (7... Ne7+ 8. Kb5 $1
Nc8 9. Bd5 (9. Bh1) 9... g4 10. Nxa5 g3 11. Nc6+ Ka8 12. Nb4+ Kb8 13. Na6#) (
7... Nxb6 8. Kxb6 Kc8 9. Nxa5 g4 10. Nb3 $1 g3 11. Nd4 h4 12. Ne2 $18) 8. Nxa5
(8. Nc5 $2 Nxb6 $1 9. Kxb6 Kc8 $11) 8... g3 9. b7 $1 (9. Nb3 $2 Nxb6 $1 10.
Kxb6 h4 11. Nd4 (11. Nc5 Kc8 $1 $11) 11... h3 12. Bb7 h1=Q 13. Bxh1 g2 $11)
9... Na7+ {position X with wBe4} 10. Kd7 $1 {switchback} ({loss of time} 10.
Kb6 $2 h4 11. Nb3 $1 Nc8+ 12. Kc6 Na7+ 13. Kd7 $1 {see main after 11.Nb3!} ({
loss of time} 13. Kd6 $2 Nb5+ 14. Kc6 Na7+) ({loss of time} 13. Kb6 Nc8+ 14.
Kc6 Na7+)) ({loss of time} 10. Kd6 $2 Nb5+ 11. Kc6 Na7+) 10... h4 (10... Nb5
11. Nc4 $18 ({loss of time} 11. Kc6 $2 Na7+ 12. Kd7 Nb5)) 11. Nb3 $1 h1=Q 12.
Bxh1 h3 13. Be4 {/Bf3/Bd5} g2 14. Nc5 g1=Q 15. Na6# 1-0

[Event "8.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "A. Sochnev"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6nk/2N1B3/3P2P1/8/6pK/1pp2p2/p1r5/1R6 w - - 0 1"]
[PlyCount "33"]
[EventDate "2021"]

1. Rh1 Rc1 $1 2. Rxc1 b2 3. d7 bxc1=Q 4. Bf6+ $1 Nxf6 5. d8=Q+ Kg7 6. Ne6+ (6.
Ne8+ Kh6 7. Qxf6 Qe1+ 8. Kxg4 Qxe8 $19) 6... Kxg6 7. Nf4+ $1 Kf5 $1 (7... Qxf4
8. Qg8+ {(Qd8)} Nxg8 {stalemate}) 8. Qc8+ (8. Qa5+ Ke4 9. Qb4+ Ke3 10. Qc5+ Kd2
11. Qf2+ Kd1 12. Qf1+ Kc2 13. Qd3+ Kb2 14. Qb5+ Ka1 $19) 8... Ke4 9. Qe6+ (9.
Qc4+ Ke3 10. Qd3+ Kf2 11. Qd4+ Kf1 $19) 9... Kxf4 10. Qd6+ $1 Ke3 (10... Ke4
11. Qf4+ Kd3 12. Qxc1 f2 13. Qa3 {(Qd1,Qf1) etc. as in the main solution}) (
10... Kf5 11. Qf4+ Qxf4 {stalemate}) 11. Qf4+ $1 Ke2 $1 12. Qxc1 f2 13. Qc2+ $1
(13. Qxc3 $2 f1=Q 14. Qe5+ Kd2 $1 (14... Kf3 15. Qg3+ Ke4 $4 16. Qf4+ $1 Qxf4 {
stalemate}) 15. Qf4+ Ke1 $1 16. Qe5+ Qe2 $1 $19) 13... Kf3 14. Qxc3+ Kg2 15.
Qg3+ Kh1 16. Qf4 $1 (16. Qxf2 $2 a1=Q $1 {ZZ}) 16... a1=Q (16... Kg1 {(Kg2)}
17. Qg3+ $1 Kh1 18. Qf4 $1 $11 {positional draw}) 17. Qxf2 $1 $11 {ZZ} 1/2-1/2

[Event "Sp.p Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "S. Didukh"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "RK6/8/8/1np5/8/1p6/2k5/R7 w - - 0 1"]
[PlyCount "17"]
[EventDate "2021"]

1. R1a5 $1 (1. R8a5 $2 b2 2. R1a2 Na3 $1 3. R5xa3 c4 4. Rh3 c3 5. Kc7 (5. Rh1
Kb3) 5... Kb1 $1 $11) (1. Rh1 $2 b2 2. Ra5 Nc3 3. Rxc5 Kd3 4. Kc7 Kd4 $1 (4...
b1=Q $2 5. Rxc3+) 5. Kc6 b1=Q $11) 1... Nc3 2. Rxc5 b2 3. Ra2 Kb3 4. Ra7 Kb4 (
4... b1=Q 5. Rb7+ Ka2 6. Ra5+) 5. Rcc7 $1 (5. Rc6 $2 b1=Q 6. Rb7+ Nb5) 5...
b1=Q 6. Rab7+ Ka4 (6... Nb5 7. Rxb5+ Kxb5 8. Rb7+) 7. Rc4+ Ka5 8. Rxc3 $1 Qh1
9. Ra3# 1-0

[Event "Hm Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "M. Minski"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/2PP1R1K/8/k3r3/3b4/8/3r1B2 w - - 0 1"]
[PlyCount "13"]
[EventDate "2021"]

1. d7 (1. c7 $2 Rc4 2. d7 Rxc7 3. d8=Q Rh7+ $11) 1... Bc2 2. c7 Rxd7 3. Bb5+ $3
{the point} ({thematic try:} 3. c8=Q $2 Rh7+ $1 4. Kg5 Rg7+ 5. Kh6 Rh7+ 6. Kxh7
Rc4+ $11) 3... Kxb5 (3... Kb4 4. Bxd7 $18) 4. c8=Q Rh7+ $1 5. Kxh7 (5. Kg5 $2
Rg7+ 6. Kh6 Rh7+) 5... Rc4+ 6. Rf5+ $1 Bxf5+ 7. Qxf5+ $18 1-0

[Event "Hm Sergey Zakharov MT"]
[Site "Êîìïîçèöèÿ"]
[Date "2021"]
[Round ""]
[White "P. Arestov"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "N6k/8/1pp5/6Q1/4K2P/1pP5/7p/4nr2 w - - 0 1"]
[PlyCount "25"]
[EventDate "2021"]
[TimeControl "300"]

1. Qe5+ $1 Kh7 2. Qc7+ $1 Kg8 3. Qxh2 b2 $1 4. Qxb2 Rf4+ $1 5. Ke3 $1 Rf3+ 6.
Ke2 Rf2+ $1 7. Kxf2 Nd3+ 8. Ke2 $1 Nxb2 9. Nxb6 c5 10. Kd2 c4 $1 11. Ke3 $1 Kg7
12. Kd4 Kg6 13. Nxc4 1-0

[Event "Hm Sergey Zakharov MT"]
[Site "Êîìïîçèöèÿ"]
[Date "2021"]
[Round ""]
[White "A. Gasparyan"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "2B1r1b1/5p1P/1p5p/5RB1/2p2P2/5K2/4p3/7k w - - 0 1"]
[PlyCount "21"]
[EventDate "2021"]
[TimeControl "300"]

1. h8=Q (1. Re5 Rxe5 2. hxg8=Q e1=Q 3. fxe5 hxg5 4. Qxg5 Qf1+) 1... Re3+ (1...
e1=Q 2. Qxh6+ Kg1 3. Qxb6+ Kf1 4. Re5 Qd1+ 5. Kg3 Qd3+ 6. Kg4 Rxc8 7. Qb7) 2.
Kxe3 e1=Q+ 3. Kd4 Qa1+ (3... Qd1+ 4. Kxc4 Qa4+ 5. Kd5 Qa8+ 6. Kd6 Qxc8 7. Qxh6+
) 4. Kxc4 Qxh8 5. Bf6 Qh7 6. Rh5+ Kg2 (6... Kg1 7. f5) 7. f5 Kf3 (7... Kg3 8.
Kd4 Kg4 9. Ba6) 8. Kd4 Kg4 (8... Kf4 9. Bd7 Kg4 10. Bb5) 9. Ba6 b5 (9... Kf3
10. Bb5) 10. Bxb5 Kxh5 (10... Qxf5 11. Be2+ Kf4 12. Be5+) 11. Be2# 1-0

[Event "Hm Sergey Zakharov MT"]
[Site "Êîìïîçèöèÿ"]
[Date "2021"]
[Round ""]
[White "V. Neishtadt"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "r1k2B2/p1b5/PP4p1/R1P3P1/6PK/8/6qP/3R4 w - - 0 1"]
[PlyCount "25"]
[EventDate "2021"]
[TimeControl "300"]

1. b7+ Kb8 2. Rd8+ $1 Bxd8 3. Bd6+ Bc7 4. bxa8=Q+ Qxa8 5. Rb5+ Kc8 6. Rb7 Bxd6
7. cxd6 Kd8 8. d7 Ke7 9. d8=Q+ $1 Kxd8 10. h3 Kc8 11. Kg3 Kd8 12. Kh4 Kc8 13.
Kg3 {positional draw} 1/2-1/2

[Event "c. Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "L. Kekely & M. Hlinka"]
[Black ""]
[Result "1-0"]
[SetUp "1"]
[FEN "8/1P4k1/8/6Pp/3p2R1/3K4/5r1p/1B6 w - - 0 1"]
[PlyCount "21"]
[EventDate "2021"]

1. Rh4 (1. b8=Q $2 h1=Q 2. Qe5+ Kg6 3. Qe4+ Qxe4+ 4. Rxe4 Kxg5 $11) 1... Rb2 2.
Bc2 (2. Ba2 $2 Rxb7 3. Rxh2 Kg6 4. Rg2 Rb5 $11) 2... Kg6 (2... Rxb7 3. Rxh2 Rb5
4. g6 Rb4 5. Kd2 $18) 3. Rxh2 Kxg5 4. Rg2+ Kf6 5. Rg6+ $1 Kf7 (5... Kxg6 6.
Kc4+ Rxc2+ 7. Kb3 $18) 6. Rh6 Kg8 (6... Rxb7 7. Rh7+ $18) 7. Rh7 $1 Kxh7 8.
Kc4+ Rxc2+ (8... Kg7 9. Bb3 $18) 9. Kb3 Rc1 10. Kb2 $1 (10. Ka2 $2 d3 $1 11.
b8=Q d2 12. Qa7+ Kg6 $1 13. Qb6+ Kh7 14. Qb7+ Kh6 $1 $11) 10... Rg1 {or R~} 11.
b8=Q 1-0

[Event "c. Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "I. Aliev"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "4K1k1/5R2/7P/3pp3/1p6/8/2b5/8 w - - 0 1"]
[PlyCount "14"]
[EventDate "2018"]

1. h7+ $1 {i v zavisimosti ot xoda chernix dva varianta: 1-j variant:} (1. Rb7
$2 b3 2. h7+ Kh8 $1 3. Kf7 d4 4. Kf6 d3 5. Kg6 d2+ 6. Kh6 Bxh7 7. Rxh7+ Kg8 8.
Rg7+ Kf8 9. Rg1 e4) (1. Rg7+ $2 Kh8 2. Kf7 b3 3. Ke6 b2 4. Rb7 b1=Q 5. Rxb1
Bxb1 6. Kxd5 e4) 1... Bxh7 ({2-j variant:} 1... Kh8 2. Rf8+ $1 (2. Rc7 $2 b3 3.
Kf7 d4 4. Rb7 d3 5. Kg6 d2+ 6. Kh6 Bxh7 7. Rxh7+ Kg8 8. Rg7+ Kf8 9. Rg1 e4 $19)
2... Kxh7 3. Rf2 $1 b3 4. Kf7 Kh6 5. Kf6 Kh5 6. Kxe5 b2 7. Rf1 (7. Rh2+ $2 Kg4
8. Rh1 Be4 9. Rf1 Kg3 $19) 7... Be4 8. Rg1 $1 $11 (8. Kd4 $2 Kg4 $19)) 2. Rb7
e4 3. Rxb4 e3 4. Rg4+ Kh8 5. Kf8 $1 (5. Kf7 $2 e2 6. Rg1 d4) 5... e2 ({Main:} 
5... d4 6. Rxd4 e2 7. Rg4 e1=Q 8. Rg8+ Bxg8 {pat / stalemate.}) (5... Be4 6.
Rh4+ Bh7 7. Rg4) 6. Rg2 $3 (6. Rg1 $2 d4) 6... e1=Q 7. Rg8+ $1 Bxg8 {pat / stal
emate. Xotja etud imeet poxozhiux klassicheskix predkov, no moj etud silno
otlichaetsa ot nix. Vo pervix: u menja etud s 2-ja variantami - a eto uzhe
sintez. Pljus silnij 1-ij xod (1. h7+!) s zhertvoj peshki, kotorij mesahet
belim provesti svoj plan, k tomu zhe, u menja tixij xod Rg2!! bez vzjatija na
etom pole, u svoix predkov on obichno s vzjatiem peshki na etom pole. 2-om
variante imeutsa silnie malozametnie xodi 2.Rf8+!, i eshe 3.Rf2! i 8.Rg1!.}
1/2-1/2

[Event "c. Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "M.G. Garcia"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "6r1/1p6/1P6/p7/3p4/4kpp1/8/R3K2R w KQ - 0 1"]
[PlyCount "15"]
[EventDate "2020"]

1. O-O $1 ({Try:} 1. Ra3+ $2 d3 2. O-O Rh8 $1 (2... Rg5 $2 3. Rxf3+ $1 Kxf3 4.
Rxd3+ Ke4 5. Rd7 Rb5 6. Rxb7 Kd4 (6... Kd5 7. Rg7 $1 Kc6 8. Rxg3 $11) 7. Ra7 $1
Kc5 8. b7 Kb4 9. Kg2 $11 a4 10. Kxg3 a3 11. Kf4 Kb3 12. Ke4 a2 13. Kd4 Kb2 14.
Kc4 Rb6 15. Kc5 $11) (2... Rg6 $2 3. Rxa5 (3. Re1+ $5 Kd2 4. Rf1 Ke2 5. Rxa5
Re6 6. Rg5 d2 7. Rxg3 d1=Q $19) 3... d2 4. Re5+ Kd4 5. Re7 Rxb6 6. Rd7+ Ke3 7.
Rd1 Rf6 8. Re7+ Kd3 9. Rd7+ Kc3 10. Rc7+ Rc6 11. Rd7 Re6 12. R7xd2 $11) 3. Rd1
(3. Rxf3+ Kxf3 4. Rxd3+ Ke4 $19) 3... Ke2 4. Raxd3 f2+ 5. Kg2 f1=Q+ 6. Rxf1
Kxd3 $19) ({or} 1. O-O-O $4 f2 $19) 1... Rh8 2. Ra4 $1 (2. Rxa5 $2 f2+ 3. Kg2
Kf4 4. Rxf2+ gxf2 5. Kxf2 Ke4 $19) (2. Rae1+ $2 Kf4 3. Re7 f2+ 4. Rxf2+ (4. Kg2
Rh2#) 4... gxf2+ 5. Kxf2 Rh2+ $1 6. Ke1 a4 $1 7. Rxb7 Ke3 $18) (2. Ra3+ $2 d3
3. Rd1 (3. Re1+ Kd2 4. Rf1 Ke2 5. Rxf3 Kxf3 6. Rxd3+ Kg4 {/e2-+}) 3... f2+ 4.
Kg2 Ke2 5. Raxd3 f1=Q+ 6. Rxf1 Kxd3 7. Rf7 Kc4 8. Rxb7 Kb5 {/c5} 9. Rg7 Kxb6
$19) 2... Rh2 (2... d3 3. Re1+ $1 (3. Rg4 $2 f2+ 4. Kg2 Rh2+ 5. Kxg3 Ke2 6. Ra1
f1=N+ $1 $19) 3... Kd2 4. Rf1 $11) 3. Ra3+ d3 4. Rxf3+ Kxf3 5. Rxd3+ Kg4 (5...
Ke4 6. Rd7 Rb2 7. Rxb7 Kf3 8. Rf7+ $11) 6. Rd4+ $1 ({Try:} 6. Rd7 $2 Rh6 $1 7.
Rxb7 Kh3 $1 8. Ra7 Rxb6 9. Rh7+ Kg4 10. Rg7+ Kf3 11. Rf7+ Ke3 $19) 6... Kh3 (
6... Kf5 7. Rd7 Rb2 8. Rxb7 $11) 7. Rd7 Rb2 8. Rh7+ $11 1/2-1/2

[Event "ñ. Sergey Zakharov MT"]
[Site ""]
[Date "2021"]
[Round ""]
[White "E. Egorov"]
[Black ""]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/3b2p1/3p4/P2P4/3P1P2/6P1/3PK2k/8 w - - 0 1"]
[PlyCount "23"]
[EventDate "2021"]

1. a6 $1 (1. Kf3 $2 Kh3 $1 2. a6 Bg4+ $1 3. Ke4 (3. Kf2 Bc8 4. a7 Bb7 $19) 3...
Kxg3 4. a7 Bf3+ 5. Kf5 Bxd5 $19) 1... Bb5+ 2. Kf3 Bxa6 3. f5 Bb7 $1 (3... Bb5
4. Kg4 $1 (4. Kf4 $2 Be8 $1 5. f6 g6 6. Kg4 Kg2 $19) 4... Bd7 5. Kg5 $11) (3...
Bc8 4. Kf4 $11 (4. g4 $2 Kh3 5. Kf4 Kh4 6. d3 Bd7 $19)) (3... Be2+ 4. Kf4 $1 (
4. Kxe2 $2 Kxg3 5. Ke3 Kg4 6. Ke4 Kg5 7. f6 Kxf6 $19)) 4. Ke4 $1 (4. Kf4 $2
Bxd5 5. f6 (5. g4 Kh3 6. f6 g6 $1 (6... gxf6 $2 7. Kf5 Bg8 8. Kxf6 Kxg4 9. d5
$1 $11) 7. Kg5 Bf7 8. Kh6 Kxg4 9. Kg7 Be8 $1 10. Kf8 Kf5 11. Kxe8 Kxf6 12. Kd7
g5 $19) 5... gxf6 6. Kf5 Bf3 $3 (6... Kxg3 $2 7. Kxf6 Bg8 8. d5 $1 $11) 7. d5 (
7. Kxf6 d5 $19) 7... Bxd5 8. Kxf6 Bg8 $1 $19) 4... Kxg3 5. f6 $1 gxf6 6. Kf5
Bxd5 7. Kxf6 Bg8 $1 8. d5 $1 Kf4 9. d3 $3 {zz} (9. d4 $2 Ke4 10. Ke7 Kxd5 $19)
9... Bxd5 10. Ke7 Ke5 11. d4+ Kxd4 12. Kxd6 1/2-1/2

