[Event "1.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Didukh=S"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/K2P3p/6P1/5P2/4p3/5P2/3r1P2/k7 w - - 0 1"]
[PlyCount "25"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Kb6 $1 ({Thematic try} 1. Kb7 $5 e3 $1 2. fxe3 Rxd7+ 3. Kc6 Ra7 4. gxh7 Rxh7
5. e4 Kb2 6. e5 Kc3 7. Kd5 Rd7+ 8. Ke4 Rd4+ $1 9. Ke3 Rd8 $11) (1. Kb8 $5 Rxd7
2. Kc8 Ra7 3. fxe4 hxg6 4. f6 Ra2 $1 5. f4 Ra4 6. f7 $6 Ra7 $1 $19) 1... Rxd7
2. Kc6 Ra7 3. gxh7 Rxh7 4. fxe4 Kb2 (4... Rh2 5. f4 $1 Rh4 6. Kd6 $1 Rxf4 7.
Ke5 Rh4 8. f6 Rh1 9. Ke6 Kb2 10. e5 Kc3 11. Kf5 $1 Rf1+ 12. Kg5 Kd4 13. e6 $18)
5. e5 Kc3 6. Kd5 $1 Rd7+ 7. Ke4 $1 (7. Ke6 $2 Rd4 $1 8. f6 Rf4 9. Kf7 Kd4 10.
e6 Ke5 11. e7 Rxf6+ 12. Kg7 Re6 $11) 7... Rd4+ 8. Kf3 $1 Rd5 9. Kf4 Rd4+ 10.
Kg5 Rd8 11. f6 Kd4 12. Kf5 $1 Kd5 13. f7 $18 *

[Event "2.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Didukh=S"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "7k/1p6/1P6/8/5P1K/1N2pB2/5Pn1/5r2 w - - 0 1"]
[PlyCount "29"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Kg3 $1 (1. Bxg2 $2 e2 $19) 1... Ne1 2. Bxb7 Rg1+ 3. Kh3 $1 ({Thematic try} 
3. Kh2 $5 exf2 4. Nd2 f1=Q 5. Nxf1 Rxf1 6. Be4 Rxf4 7. b7 Rf2+ $1 8. Kg3 Rf8 {
zz} 9. Bf5 Kg7 10. Kg4 Rb8 11. Be4 Kf6 $19) 3... exf2 4. Nd2 f1=Q+ 5. Nxf1 Rxf1
6. Be4 $1 Rxf4 7. b7 Rf8 $1 8. Kg3 $1 {zz} (8. Bf5 $2 Rb8 9. Be4 Rd8 10. Bf5
Kg7 11. Kg3 Rf8 $19) 8... Kg8 9. Bb1 $1 {zz} 9... Kh8 10. Be4 Kg7 11. Bf5 $1
Kh6 12. Kg4 $1 Rb8 13. Be4 Kg7 14. Kg3 $1 Rf8 15. Bf5 {positional draw} *

[Event "3.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.05.09"]
[Round "?"]
[White "Akobia=I, Garcia=M"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/3pR3/2kn4/8/pP1b4/4p3/8/1R2K3 w - - 0 1"]
[PlyCount "33"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Rc1+ $1 ({Thematic try} 1. Ke2 $5 a3 $1 ({not} 1... Nb5 $2 2. Rc1+ Kb6 3.
Rxd7 {main thematic line}) 2. Rc1+ Kb5 {/Kb6 and easy draw=}) 1... Kb6 $1 2.
Rxd7 (2. Ke2 $2 a3 $11) 2... Nb5 3. Ke2 $1 ({The interesting try} 3. Rd8 $5 {
There is "a study in a study". BTM, draw:} 3... Be5 4. Rc5 Bd6 5. Rc4 a3 6. Ra8
Nc7 $1 7. Rxa3 Kb5 8. Rac3 Nd5 9. Rc5+ (9. Rc1 Nf4 $1 10. Kf1 e2+ $11) 9...
Kxb4 10. R3c4+ ({or also} 10. Rxd5 Bg3+ $11) 10... Kb3 11. Rc6 Bb4+ 12. Ke2 Ne7
{draws}) 3... a3 4. Kd3 $1 (4. Rh1 $5 Kc6 $1 ({not} 4... Be5 $2 5. Rh6+ Nd6 6.
Rdxd6+ Bxd6 7. Rxd6+ Kb5 8. Rd8 $18) 5. Rd8 a2 6. Ra8 a1=Q 7. Raxa1 Bxa1 8.
Rxa1 Kd5 $1 9. Kd3 e2 10. Rc1 Nd4 $1 $11) 4... Bb2 5. Rg1 $3 {
important choice of the move by wR} ({Thematic try} 5. Rh1 $5 Kc6 $1 6. Rd8 a2
7. Ra8 Na3 $1 8. Ra5 Kb6 9. Rh6+ Kb7 {/Kc7} 10. Rf5 a1=Q 11. Rf7+ Kb8 {
/Kc8/Ka8 and Black's win, because impossible Rh8 such in line 6/\a2 (see below)
}) 5... Kc6 6. Rd8 e2 $1 (6... a2 7. Ra8 Na3 8. Ra5 Kb6 9. Rg6+ Kb7 10. Rf5 $1
a1=Q 11. Rf7+ Kb8 12. Rg8#) 7. Kxe2 Nc7 $1 {to get on a6} 8. Rd2 Kb5 9. Kd3 $1
(9. Rg5+ $2 Kxb4 10. Kd1 Bc3 11. Rc2 Bb2 12. Rh2 Ne6 13. Rg8 (13. Rxb2+ axb2
$11) 13... a2 14. Rxb2+ Ka3 15. Rxa2+ Kxa2 16. Kc2 Ka3 $11) 9... Na6 (9... Kxb4
10. Kc2 Ne6 11. Rg4+ Kc5 12. Kb3 Nd4+ 13. Ka2 $18) 10. Rg5+ {The Black interfer
e with a strong move Nxb4 compelling to capture a pawn the wK -} 10... Kxb4 11.
Rg6 Nc5+ 12. Kc2 a2 13. Rg4+ Kb5 14. Kxb2 a1=Q+ 15. Kxa1 Nb3+ 16. Kb2 Nxd2 17.
Kc3 $18 1-0

[Event "4.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Arestov=P"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "4n1K1/7P/2r3P1/2q2P1p/2p1B3/2p1k3/1QP5/3R3r w - - 0 1"]
[PlyCount "22"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Qc1+ $1 ({Thematic try} 1. Qxc3+ $5 Kxe4 2. Re1+ Rxe1 3. Qxe1+ Kxf5 4. Qf1+
Kxg6 5. Qg2+ Qg5 6. Qxg5+ Kxg5 7. h8=Q Ng7 $3 8. Qh7 Rc8+ 9. Kf7 Rc7+ 10. Kf8
Ne6+ 11. Ke8 Rxh7 {no stalemate}) 1... Kxe4 2. Re1+ $1 Kxf5 3. Rf1+ $1 Rxf1 (
3... Kxg6 $4 4. h8=N#) 4. Qxf1+ Kxg6 5. Qg2+ Qg5 6. Qxg5+ Kxg5 7. h8=Q Ng7 $1
8. Qh7 $1 Rc8+ 9. Kf7 Rc7+ 10. Kf8 $1 Ne6+ 11. Ke8 Rxh7 {stalemate} 1-0

[Event "sp.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Bazlov=Y"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "3K3n/7b/7N/3Nk3/8/3R3n/8/8 w - - 0 1"]
[PlyCount "17"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Ng4+ ({Thematic try} 1. Rxh3 Kxd5 2. Ng4 Nf7+ 3. Ke7 Bf5 4. Ne3+ Ke5 5. Rh5
(5. Nxf5 Ng5 6. Rh5 Kxf5 $11) 5... Nd6 6. Nxf5 Nxf5+ 7. Kf7 Kf4 $11) 1... Kd6
2. Rxh3 Nf7+ 3. Ke8 Bg6 4. Kf8 (4. Rg3 $5 Ng5+ 5. Kf8 Ne6+ 6. Kg8 Kxd5 7. Ne3+
(7. Nf6+ Ke5 8. Rxg6 Kf5 9. Kf7 Ng5+ 10. Kg7 Ne6+ 11. Kh6 Nf4 12. Rg3 Kxf6 $11)
7... Ke4 8. Rxg6 Nf4 9. Rg3 Ne2 10. Rh3 Nf4 11. Rg3 Ne2 $11) 4... Kxd5 5. Kg7
Bf5 6. Ne3+ Ke5 7. Rh5 $1 (7. Nxf5 $2 Ng5 8. Rh5 Ne6+ $1 9. Kf7 Nf4 10. Rg5 Ne6
11. Rh5 Nf4 12. Rg5 Ne6 13. Rg6 Nf4 14. Rf6 Nd5 15. Rd6 Nf4 16. Rf6 Nd5 {
positional draw}) 7... Nd6 8. Nxf5 Nxf5+ 9. Kg6 $18 *

[Event "sp.p Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Zinar=M"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/p1p1p1p1/P1P1P2p/2P3kP/6P1/2p2p2/2P2P1p/R3K3 w Q - 0 1"]
[PlyCount "29"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. O-O-O $1 Kh4 $1 (1... Kxg4 2. Rh1 Kh3 3. Kd1 Kg2 4. Ke1 Kxh1 5. Kf1 g5 6.
hxg6 h5 7. g7 h4 8. g8=N h3 9. Nf6 exf6 10. e7 f5 11. e8=Q $18) 2. Rh1 $1 Kh3
3. Kd1 Kg2 4. Ke1 Kxh1 5. Kf1 g5 6. hxg6 h5 7. g7 h4 8. g8=N h3 9. Nf6 exf6 10.
e7 f5 11. e8=N $1 f4 $1 12. Nd6 cxd6 13. c7 dxc5 14. c8=N $1 c4 15. Nb6 $18
1/2-1/2

[Event "Hm.Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.25"]
[Round "?"]
[White "Akobia=I"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "n7/8/3p4/6P1/N2K4/5p2/k1pB4/1b6 w - - 0 1"]
[PlyCount "31"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. g6 c1=Q (1... Ka3 2. Nc3 $1 f2 3. Bc1+ Kb4 4. Nd5+ Kb5 5. Ne3 Nc7 6. Nf1
Ne6+ (6... Ba2) 7. Ke3 Nc5 8. Bd2 Ba2 9. Kxf2 c1=Q 10. Bxc1 Nd3+ 11. Ke3 Nxc1
12. Ng3 Be6 13. g7 d5 14. Nf5 Kc5 15. Ne7 $11) (1... f2 2. g7 f1=Q 3. g8=Q+ Ka3
4. Qxa8 Qf2+ 5. Kc3 Qf6+ 6. Kc4 $11) 2. Bxc1 f2 3. Nc3+ $1 ({try} 3. g7 $5 Bh7
4. Nc3+ Ka1 $1 (4... Kb3 5. Ne4 $11) 5. Bb2+ $1 Kxb2 6. Nd1+ Kb3 $1 {
bK must control the square c3} (6... Kc1 $2 7. Nxf2 Nc7 8. Ng4 Ne8 9. Kd5 Bg8+
10. Kc6 d5 11. Kc5 $11) 7. Nxf2 Nc7 8. Ng4 Ne8 9. Kd5 Bg8+ 10. Kc6 d5 11. Kc5
Kc3 {result of the move 6...Kb3!)} 12. Nh6 Be6 $19) 3... Ka1 4. Bb2+ $1 Kxb2 5.
Nd1+ Ka1 $1 6. Nxf2 Nc7 7. Ne4 $1 (7. Nd3 $2 Ka2 8. Nf4 Kb3 9. g7 Bh7 10. Nh5
Ne8 11. Kd5 Bg8+ 12. Kc6 d5 13. Kc5 Kc3 $19) 7... Ne8 8. Kd5 Ba2+ 9. Kc6 d5 10.
Nf2 $1 Ng7 11. Kd6 ({try} 11. Kc5 $5 Nf5 $1 12. Nd3 d4 13. Nb4 Bb3 $1 $19)
11... Kb2 12. Nd1+ Kb3 13. Kc5 $1 (13. Ke5 $2 Kb4 $1 14. Kd4 Nf5+ 15. Ke5 Ne7
16. g7 Bb3 17. Ne3 Kc5 18. Nf5 Nc6+ 19. Kf4 d4 $19) 13... Ne6+ 14. Kd6 Ng7 15.
Kc5 Ne6+ 16. Kd6 {positional draw} *

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Becker=R"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/p4P2/1p2k3/1P6/3P4/8/p1K5/8 w - - 0 1"]
[PlyCount "31"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. f8=N+ $1 Kf7 2. Kb2 Kxf8 3. Kxa2 Ke7 4. Kb2 $1 (4. Kb3 $2 Kd7 $1 5. Kb4 Ke7
$1 6. Kc4 Ke6 $1 $11) 4... Kd7 5. Kb3 $1 Ke7 6. Kc2 $1 Kd6 7. Kc3 $1 Ke6 8. Kd2
$1 Kd6 9. Ke3 $1 Kd5 10. Kd3 $1 Kd6 11. Ke4 Ke6 12. d5+ Kd6 13. Kd4 Kd7 14. Ke5
Ke7 15. d6+ Kd7 16. Kd5 $18 *

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Campioli=M"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "1R6/7p/1Qb5/6p1/1N6/K5p1/1p6/nkq5 w - - 0 1"]
[PlyCount "45"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Qd4 $1 g2 2. Qd3+ Qc2 $1 (2... Nc2+ 3. Nxc2 Ba4 4. Nd4+ Ka1 5. Kxa4 g1=Q 6.
Qa3+ Kb1 7. Qd3+ $11) 3. Nxc2 Nxc2+ 4. Kb3 Ba4+ $1 5. Kxa4 g1=Q 6. Kb3 Qe3 7.
Qxe3 Nxe3 8. Rb7 $1 (8. Rh8 $2 h5 $1 9. Rxh5 Ka1 {(Kc1)-+}) 8... h6 9. Rb6 $1
h5 10. Rb5 $1 Nd1 11. Rxg5 h4 12. Rd5 $1 Nf2 13. Rf5 $1 Ka1 14. Ra5+ Kb1 15.
Rf5 Nd1 (15... Nd3 16. Kc3 Nc1 17. Rf2) (15... Kc1 16. Rc5+ Kd1 17. Ka2 $11)
16. Rd5 Kc1 17. Rc5+ Kd2 18. Rd5+ Ke2 19. Re5+ Kd2 20. Rd5+ Kc1 21. Rc5+ Kb1
22. Rd5 Nf2 23. Rf5 $11 1/2-1/2

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Zakharov=S"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "2K1k1N1/1p6/8/P1R1p2P/p4b2/5p2/6b1/8 w - - 0 1"]
[PlyCount "51"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. h6 $1 Bxh6 2. a6 $1 bxa6 3. Rxe5+ Kf8 4. Nxh6 Bh3+ 5. Ng4 Bxg4+ 6. Kd8 $1 f2
(6... Bh3 7. Re4 Kg7 8. Rf4 Bg2 9. Rg4+ Kh7 10. Rh4+ $1 Kg6 11. Rxa4 f2 12.
Rxa6+ $1 $11) 7. Re4 f1=R $1 (7... f1=Q 8. Rf4+ Qxf4 {stalemate}) 8. Rxg4 a3 9.
Ra4 $1 Ra1 10. Rd4 $1 Kf7 11. Kd7 Rb1 12. Ra4 Ra1 13. Rd4 Kf6 14. Kd6 Rb1 15.
Ra4 Ra1 16. Rd4 Kf5 17. Kd5 a2 18. Rd2 Kf4 19. Kd4 a5 20. Rf2+ $1 Kg3 21. Rd2
Kf3 22. Kd3 a4 23. Kd4 a3 24. Kd3 Kf4 25. Kd4 Kf5 26. Kd5 {positional draw}
1/2-1/2

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Mikitovics=J"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/2b4K/8/8/1R5n/8/4PPP1/3b2k1 b - - 0 1"]
[PlyCount "28"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1... Bc2+ 2. e4 $1 Be5 3. f4 Bxf4 4. Rc4 Bd3 5. Rd4 Be2 6. e5 $1 Bg5 7. e6 $1 (
{Thematic try} 7. Ra4 $5 Kxg2 8. e6 Kg3 $1 (8... Kf3 $2 9. Kg7 $1 Bd1 10. Ra1
Bc2 11. Rf1+ Kg4 12. Rg1+ Kf5 13. Rxg5+ Kxg5 14. e7 Ba4 15. Kf7 Nf5 16. e8=N
$11 {excelsior}) 9. Kg7 Bf3 $1 10. Ra7 Kf4 11. e7 Nf5+ 12. Kf8 Bd5 $1 13. Ra4+
Kf3 14. Ra3+ Kf2 15. Ra7 Be6 16. Ke8 Ke3 17. Ra6 Bd5 $19) 7... Kxg2 8. Rd5 $1
Bf6 9. Kg8 $1 ({Thematic try} 9. Rd2 $5 Kf2 $1 10. Rd7 Kg3 $1 11. e7 Bh5 12.
Kg8 Nf5 13. Kf8 Bg7+ $19 (13... Bg5 $2 14. e8=N $1 $11 {excelsior})) 9... Bc4
10. Rd2+ $1 Kg3 11. Kf7 Nf3 12. Kxf6 ({Cook--(M.Campioli)-->>} 12. Rc2 $1 Bb3
13. Re2 Be5 14. Re3 Bd5 15. Kg6 {etc draws}) 12... Nxd2 13. e7 Bb5 14. Kf7 Ne4
15. e8=N $11 *

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Pallier=A"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/8/6R1/3k1P1p/2R4n/3K3P/5pb1/8 w - - 0 1"]
[PlyCount "33"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Rd4+ $1 (1. Rc1 $2 f1=Q+ 2. Rxf1 Bxf1+ 3. Ke3 Nxg6 4. fxg6 Ke5 5. g7 Bc4 $19
) 1... Kc5 2. Rc4+ Kd5 (2... Kb5 3. Rc1 f1=Q+ 4. Rxf1 Bxf1+ 5. Ke4 Nxg6 6. fxg6
$11) 3. Rd4+ Ke5 4. Re6+ Kxf5 5. Rf6+ $1 Kxf6 6. Rf4+ Kg5 7. Rxf2 Bxh3 8. Ra2
$3 (8. Rb2 $2 Kf4 9. Ke2 Kg3 10. Rb3+ Kh2 11. Kf2 Nf5 $1 12. Kf3 $2 Nd4+ $19)
8... Kf4 9. Ke2 Kg3 10. Ra3+ Kh2 11. Kf2 Bg4 12. Rg3 Nf5 13. Rg2+ Kh1 14. Rg1+
Kh2 15. Rg2+ Kh3 16. Rg1 Kh2 17. Rg2+ {positional draw} 1/2-1/2

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Pervakov=O"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r3k3/3p2n1/3Kp3/1P6/8/8/8/2R3B1 w q - 0 1"]
[PlyCount "23"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. b6 $1 (1. Kc7 $2 e5 2. b6 Ne6+ 3. Kd6 Nd8 4. Rb1 Nf7+ 5. Kc7 Nd8 6. Rb5 Ne6+
7. Kd6 O-O-O $11) 1... Kd8 2. b7 Ne8+ $1 3. Ke5 Rb8 4. Rc8+ Rxc8 5. Bb6+ Nc7 6.
Kd6 e5 7. Ba5 $1 (7. Bxc7+ $2 Rxc7 8. b8=Q+ Rc8 9. Qb6+ Ke8 10. Kxe5 Rc6 $1 $11
) 7... e4 8. Bb6 e3 9. Bxc7+ $1 (9. Ba5 $2 Rb8 $1 10. Bxc7+ Ke8 11. Bxb8 e2 $11
) 9... Rxc7 10. b8=Q+ Rc8 11. Qb6+ Ke8 12. Qxe3+ $18 *

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Razumenko=V"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "7B/8/8/8/6R1/pK3p1k/6R1/5r1q w - - 0 1"]
[PlyCount "27"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. R4g3+ $1 (1. R2g3+ $2 Kh2 2. Be5 Rb1+ 3. Ka2 Rb2+ 4. Bxb2 axb2 5. Rh4+ Kxg3
6. Rxh1 $11) 1... Kh4 2. Bf6+ Kh5 3. Rg5+ Kh6 4. Rg6+ Kh7 5. Rg7+ Kh6 6. R2g6+
Kh5 7. Rg5+ Kh6 8. R7g6+ $1 (8. Rg8 $2 Rb1+ 9. Ka2 Rb7 $11) 8... Kh7 9. Rg8
Rb1+ 10. Ka2 $1 Rb8 $1 (10... Rb2+ 11. Bxb2 axb2 12. R5g7+ Kh6 13. Rh8+ $18)
11. R5g7+ Kh6 12. Bg5+ Kh5 13. Rh7+ Kg4 14. Bd8+ $18 *

[Event "Hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Rossi=P"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/2p5/Q7/p5p1/8/1b5K/r3p1R1/4kq1R w - - 0 1"]
[PlyCount "21"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Kg3 $1 (1. Kh2 $2 Bd5 2. Rgg1 Bxh1 3. Qe6 Kd1 4. Qb3+ Kc1 5. Qc3+ Kb1 6.
Qb3+ Rb2 7. Qd3+ Ka2 8. Qc4+ Ka1 $19) 1... Qxh1 2. Rxe2+ $1 Rxe2 3. Qxa5+ Rd2
4. Qe5+ $1 Kf1 5. Qb5+ $1 (5. Qf5+ $2 Ke2 6. Qe6+ Kd1 (6... Bxe6 $11) 7. Qxb3+
Ke1 8. Qb1+ Rd1 $19) 5... Re2 6. Qf5+ Ke1 7. Qa5+ Rd2 8. Qe5+ Kf1 9. Qb5+ Kg1
10. Qc5+ Kf1 11. Qb5+ $11 {.. This study was published in "Magyar Sakkvilag",
2006 (authors P.Rossi & M.Campioli)} 1/2-1/2

[Event "sp.hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Hlinka=M, Kekely=L"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "r1k1K3/1NP1pn1b/PP5q/p7/7p/5BBP/7P/8 w - - 0 1"]
[PlyCount "20"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Bg4+ e6 2. Nd8 $1 (2. Nc5 $2 hxg3 3. b7+ Kxc7+ 4. bxa8=Q Nd6+ 5. Ke7 Qg5+ 6.
Kxe6 Bg8+ $19) 2... Nd6+ 3. Bxd6 Qg6+ 4. Ke7 Qg5+ 5. Kxe6 Bg8+ 6. Nf7 Rxa6 7.
b7+ Kxb7 8. Bf3+ $1 Kc8 9. Bb7+ $1 Kxb7 10. c8=Q+ Kxc8 {stalemate} 1/2-1/2

[Event "sp. hm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Kalashnikov=V"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "k6n/3K4/4P3/8/8/8/8/3b4 w - - 0 1"]
[PlyCount "15"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Ke7 $1 (1. e7 $2 Ba4+ 2. Kd8 Nf7+ $19) 1... Ng6+ 2. Kd8 Ne5 3. e7 Nf7+ 4.
Ke8 $1 Bh5 5. Kd7 Ne5+ 6. Kd8 (6. Kd6 $2 Ng4 $19) (6. Ke6 $2 Ng4 $19) 6... Nc6+
7. Kd7 Ne5+ 8. Kd8 {positional draw} *

[Event "comm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Vlasenko=V"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "7k/8/8/8/p2p3p/3KN2p/5N2/8 w - - 0 1"]
[PlyCount "11"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Nc2 a3 ({main} 1... h2 2. Na3 Kg7 3. Kxd4 Kf6 4. Ke4 Ke6 5. Kf3 Kd5 6. Kg2
Kc5 7. Nd3+ $18) 2. Nxh3 a2 3. Kxd4 Kg7 4. Kc3 Kf6 5. Kb2 Kf5 6. Ne3+ $18 *

[Event "comm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Gonzales=L"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/1NK1p3/8/4PP2/7r/7k/8/6n1 w - - 0 1"]
[PlyCount "27"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. e6 $1 Rh7 $1 2. Kd8 $1 Nf3 3. f6 Ne5 $1 4. Na5 $1 Ng6 $1 5. f7 Rh8+ 6. Kd7
Ra8 7. Nc6 Ra6 8. Nxe7 $1 Nf8+ 9. Kd8 Nxe6+ 10. Ke8 Ra8+ 11. Nc8 Kg4 12. Ke7
Nf4 13. Nd6 Ra6 14. f8=N $1 $11 *

[Event "comm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Malyshev=A"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "6q1/4k3/8/3pnB1K/4N3/8/8/R7 w - - 0 1"]
[PlyCount "13"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Ra7+ Kf8 2. Ng5 $1 Qh8+ 3. Nh7+ Kg8 4. Be6+ Nf7 5. Bxf7+ Kxh7 6. Bg8+ $1
Kxg8+ 7. Kg6 $18 *

[Event "comm. OOsintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Poisson=C"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/8/1K4k1/4R3/8/2n1R3/7b/8 w - - 0 1"]
[PlyCount "19"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Kc5 $1 Nd1 $1 (1... Bxe5 2. Rxe5 Nd1 3. Re2 Kf5 4. Kd4 Kf4 5. Rd2 Ne3 6.
Rf2+ $18) (1... Bg1 2. Kc4 $18) 2. Re6+ Kf5 3. Re1 Bg3 4. Kc4 $1 (4. Kd4 $2
Bf2+ $1 5. Kc4 Nb2+ $1 $11) 4... Nb2+ 5. Kd4 Bf2+ 6. R6e3 $1 Kg4 7. Rc1 $1 (7.
Rf1 $2 Bxe3+ 8. Kxe3 Nc4+ $11) 7... Kf4 8. Rf1 Nd1 9. Kd3 Nxe3 10. Rxf2+ $18 *

[Event "comm. Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Skrinnik=A"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "2n5/8/P3PK2/1r6/1P3N2/8/8/7k w - - 0 1"]
[PlyCount "27"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Nd5 $1 Rxd5 2. a7 Nxa7 3. e7 Rd6+ 4. Kf5 Rd5+ 5. Kf4 Rd4+ 6. Ke3 {(Kf3)}
6... Re4+ $1 7. Kxe4 Nc8 8. e8=N $1 (8. e8=Q $2 Nd6+ 9. Ke5 Nxe8 10. b5 Nc7 11.
b6 Na6 $1 $11) 8... Kg2 9. Kd4 Nb6 10. Nd6 Kf2 11. Nc4 Na4 12. Kd3 Ke1 13. Kc2
Ke2 14. Kb3 $18 *

[Event "sp. comm.Osintsev 50 JT"]
[Site "?"]
[Date "2011.03.23"]
[Round "?"]
[White "Amiryan=H"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "Q7/4B3/6b1/2p5/7K/8/p7/kq6 w - - 0 1"]
[PlyCount "15"]
[EventDate "2011.??.??"]
[SourceDate "2005.01.24"]

1. Bf6+ Qb2 2. Qh1+ Bb1 3. Qf1 ({Cook--(IA)} 3. Kg5 Qxf6+ 4. Kxf6 Kb2 5. Qb7+
Ka3 6. Qa7+ Kb2 7. Qb8+ Kc2 8. Qh2+ Kb3 9. Qg3+ Bd3 10. Qe5 {etc win}) 3... c4
4. Kh3 c3 5. Qe1 c2 6. Bc3 c1=Q 7. Qxc1 Qxc3+ 8. Qxc3# 1-0

