www.arves.org - SŠZ 100 JT 2024

Studies provisionaly awarded for:

Slovak Organization for Chess Composition (SOKŠ) in cooperation with Slovak Chess Union (SŠZ)

Rokov SŠZ 100 JT.

[Event "1.p SŠZ_100_JT 2024"] [Site ""] [Date "2024"] [Round ""] [White "Martin Minski, Germany"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/pP1P3P/k6q/1r6/KPR5/pp4RB/3r3n/8 w - - 0 1"] [PlyCount "25"] [EventDate "2024"] 
 1. Bg2 $1 (1. d8=Q $2 Rxd8 2. Bc8 Rxb7 3. Rg5 Rxc8 4. Ra5+ Kb6 5. Rb5+ Ka6 $11) 1... Nf3 $1 {Nowotny in order to close the 3rd rank} (1... Rd4 2. h8=Q $1 Ra5+ 3. Kxb3 $1 $18 {and 3...Qxe3+ is not possible}) (1... Rd6 2. Rg6 $3 Qxg6 (2... Rxg6 3. d8=Q $18) 3. h8=Q $18) (1... Qxh7 2. Rc6+ Kxb7 3. Rd6+ Rxg2 4. d8=Q Rxg3 5. Rd7+ $18) 2. Bxf3 Rd4 $1 {in order to close the long diagonal} (2... a2 3. h8=Q $18) 3. Rxd4 (3. h8=Q $2 Ra5+ $1 4. bxa5 (4. Kxb3 $4 Qe3+ $1 $19 { therefore 1...Nf3!}) 4... Rxc4+ 5. Kxb3 Qxh8 6. Kxc4 a2 $11) (3. Rc6+ $2 Qxc6 4. Bxc6 a2 5. Bxb5+ Kxb7 6. h8=Q a1=Q+ $11) 3... a2 4. Rd1 (4. Rg1 $2 b2 $11) 4... b2 5. h8=Q $1 Rxb4+ $1 6. Ka3 $1 (6. Kxb4 $4 b1=Q+ $19) 6... a1=Q+ {/R+} ( 6... Qxh8 7. Rg6+ Rb6 8. Rxb6+ Kxb6 9. Kxa2 $18) (6... Qe3+ 7. Kxa2 $18) 7. Rxa1 Qxh8 (7... bxa1=Q+ 8. Qxa1 $18) 8. Kxb4+ bxa1=B $3 {play for stalemate} ( 8... bxa1=Q 9. Rg6+ Qaf6 (9... Qhf6 10. b8=N+ $1 Kb6 11. d8=Q#) 10. d8=Q $1 Qhxd8 (10... Qhh4+ 11. Kb3 {/Ka3} Qxg6 12. b8=N+ $1 $18) 11. Rxf6+ Qxf6 12. b8=N+ $1 Kb6 13. Nd7+ $18) 9. Rg6+ Bf6 10. d8=R $3 {anti-stalemate promotion and annihilation} ({logical try} 10. Rxf6+ $4 Qxf6 11. b8=N+ Kb6 $19 {position X with wPd7}) (10. d8=Q $2 Qh4+ $1 11. Ka3 (11. Bg4 Qe1+ $11) 11... Qb4+ {/Qa4+ } 12. Kxb4 {stalemate}) (10. d8=N $2 Qf8+ $1 11. Kc4 (11. Ka4 Qe8+ $11) 11... Qxd8 $11) 10... Qxd8 (10... Qh4+ 11. Kb3 {/Ka3+-}) 11. Rxf6+ Qxf6 12. b8=N+ $1 Kb6 {position X without the wPd7} 13. Nd7+ $18 1-0

[Event "2.p SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Oleg Pervakov, Russia"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4N3/2p1P1bq/7k/3r4/7P/4N3/6KB/8 w - - 0 1"] [PlyCount "15"] [EventDate "2024"] 
 1. Bf4+ (1. Ng4+ $2 Kg6 2. Nxg7 Kxg7 3. e8=Q Qxh4 4. Be5+ Rxe5 $11) 1... Kh5 $1 (1... Kg6 2. Nxg7 Qxg7 3. e8=Q+ Kh7+ 4. Kf3 $18) 2. Kh3 $1 (2. Nf6+ $2 Bxf6 3. e8=Q+ Qg6+ 4. Qxg6+ Kxg6 5. Nxd5 Bxh4 $11) 2... Re5 $1 (2... Qe4 3. Nxg7+ Kg6 4. e8=Q+ Qxe8 5. Nxe8 $18) 3. Bxe5 Bxe5 4. Ng7+ $1 ({Thematic try} 4. Nf6+ $2 Bxf6 5. e8=Q+ Qg6 $1 (5... Kh6 $2 6. Ng4+ Kg7 7. Qd7+ $18) 6. Ng4 $5 Bd4 $1 ( 6... Qxe8 $2 7. Nxf6+ $18) (6... Bxh4 $2 7. Qh8+ Kg5 8. Qd8+ $1 Kh5 9. Qxh4#) 7. Qe2 (7. Qb5+ c5 $11) 7... Qf5 $1 (7... Qb6 $2 8. Qd3 $1 $18) (7... Qd6 $2 8. Ne5+ $1 Kh6 9. Nf7+ $18) 8. Qe8+ Qg6 9. Qe2 (9. Qd7 Qd3+ $11) 9... Qf5 $11 { Positional draw with alternating pins and unpins}) 4... Bxg7 (4... Qxg7 5. e8=Q+ Qg6 6. Qxe5+ $18) 5. e8=Q+ Qg6 (5... Kh6 6. Ng4# {Model mate}) 6. Nf5 $1 Qxe8 (6... Be5 7. Qxe5 Qg4+ 8. Kh2 $18) 7. Nxg7+ Kg6 8. Nxe8 1-0

[Event "5.p SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Justus Zimm, Germany"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "k3B1b1/P2N4/nP1p1P2/1N3p2/1P4p1/5qP1/R7/2K5 w - - 0 1"] [PlyCount "35"] [EventDate "2024"] 
 {Huge thanks to Mr. Lubos Kekely for finding a flaw in my previous study arrangement and for giving me a chance to correct and resubmit it!} 1. f7 $1 Qf1+ $1 (1... Qe3+ $5 2. Rd2 $1 Qe1+ 3. Rd1 $1 Qe3+ 4. Kb2 $1 Qe2+ 5. Kc3 $1 Qe3+ 6. Rd3 $1 $18 (6. Kc4 $2 Qe2+ $1 7. Rd3 d5+ $1 $11)) (1... Bxf7 $1 2. Bxf7 Qf1+ $1 3. Kb2 Qe2+ $1 {transposes to the main line} (3... Qxb5 $6 4. Rxa6 $1 ( 4. b7+ $2 Kxb7 $1 5. a8=Q+ $5 Kxa8 6. Rxa6+ $5 Qxa6 7. Bc4 $5 Qb7 8. Bd5 $5 f4 $1 9. Nb6+ Ka7 10. Bxb7 Kxb7 11. Nd5 fxg3 $1 $11) 4... Qxa6 5. Bd5+ $18)) 2. Kb2 $1 Qe2+ $1 3. Kb3 $1 Bxf7+ $1 (3... Qxe8 $5 4. b7+ $1 (4. fxg8=Q $1 Qxg8+ 5. Ka3 $1 Qd5 6. Rc2 $1 Kb7 7. Nc7 $1 Qd3+ 8. Kb2 Qd4+ 9. Ka2 $1 Nxb4+ 10. Kb3 $18 {also wins}) 4... Kxb7 5. Nxd6+ Kxa7 6. Rxa6+ $1 (6. Nxe8 $2 Bxf7+ 7. Ka3 Bxa2 $11) 6... Kxa6 7. b5+ Ka7 8. b6+ Ka6 (8... Ka8 9. b7+ Ka7 10. b8=Q+ Qxb8+ 11. Nxb8 Bxf7+ 12. Nxf7 $18) 9. Nc5+ $1 Kxb6 10. Nc4+ $1 Kxc5 11. fxe8=Q $18) 4. Bxf7 Qxb5 $1 5. Re2 $1 Qd3+ $1 6. Ka4 Nc7 $1 7. Rh2 $1 (7. bxc7 $2 Qa6+ 8. Kb3 Qd3+ $1 $11) 7... Kb7 $1 (7... Qa6+ $5 8. Kb3 Qd3+ 9. Ka2 $1 Kb7 10. bxc7 Qa6+ 11. Kb2 $1 Kxc7 12. Bd5 $1 (12. Nc5 $1 Qxa7 13. Bd5 $1 {transposes}) 12... Qxa7 13. Nc5 $1 Kb6 14. Kb3 $1 $18) 8. bxc7 Qa6+ $1 9. Kb3 Kxc7 $1 (9... Qd3+ 10. Ka2 $1 Qa6+ 11. Kb2 $1 $18 {transposes to a previous side variation}) 10. Ne5 $1 (10. Nf6 $2 Qd3+ $1 $11) (10. Bc4 $2 Qxa7 11. Nc5 Qa1 $1 12. Nd3 Qg1 $11 ) 10... dxe5 $1 (10... Qxa7 $5 11. Rc2+ $1 Kb6 12. Rc6+ Kb7 13. Bd5 $1 Kb8 14. Rb6+ $1 $18) 11. Bc4 $1 Qa1 $1 (11... Qc6 $5 12. Rh7+ $1 Kb6 13. Rh6 $1 Qxh6 14. a8=Q Qe3+ 15. Ka4 $1 $18) 12. Bd5 $1 (12. Rh7+ $2 Kb6 $1 $11) (12. Rh8 $2 Qd1+ $1 $11) 12... Qb1+ $1 13. Ka4 $1 Qd1+ $1 14. Rc2+ $1 {leads the black queen away from the d5-square} Qxc2+ 15. Ka5 $1 Qc3 16. a8=Q Qa1+ 17. Kb5 Qf1+ 18. Bc4 $1 $18 1-0

[Event "2.hm SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Evgeny Egorov, Kazakhstan"] [Black "ver. 2"] [Result "1-0"] [SetUp "1"] [FEN "8/1p1PR3/1p5q/1p4pk/2rP3r/P1P4p/5PP1/1K5R w - - 0 1"] [PlyCount "37"] [EventDate "2023.03.29"] 
 1. g4+ $1 (1. d8=Q $2 hxg2 2. Qe8+ Qg6+) 1... Rxg4 (1... Kxg4 2. d8=Q $18) 2. Rxh3+ Rh4 3. Rxh4+ Kxh4 4. Re4+ $1 (4. d8=Q Qg6+ 5. Kb2 Qd3 $11) 4... Kh5 (4... Kh3 5. Re3+ $1 (5. d8=Q Rxc3 $11 6. Qd7+ Kh2 $11) 5... Kg2 6. d8=Q Kxf2 7. Rd3 Ke2 (7... Qg6 8. Qf8+ $18) 8. Kc2 Qg6 9. Qe7+ $18) 5. d8=Q Rxc3 (5... Qg6 6. Qh8+ $18) (5... Qh7 6. Qe8+ $18) 6. Qd7 $1 (6. d5 $2 Rb3+ 7. Kc2 Rf3 $1 8. Qe8+ Qg6 9. Qh8+ Qh6 10. Qxh6+ Kxh6 11. d6 Rxf2+ 12. Kc3 Rf8 $11) 6... Qg6 7. Qg4+ Kh6 8. Kb2 Rc6 9. f4 $3 Qh5 (9... Rc2+ 10. Kb3 $1 Rc6 11. fxg5+ Kg7 (11... Qxg5 12. Qh3+ Qh5 (12... Kg6 13. Rg4) 13. Rh4) 12. Qd7+ Qf7+ 13. Qxf7+ Kxf7 14. Kb4 $18) (9... gxf4 10. Qxf4+ Qg5 11. Qf8+ Kg6 12. Qe8+ Kh6 13. Re3 $18) (9... Qxe4 10. fxg5+ $18) 10. fxg5+ $1 ({Thematic logical try} 10. Re6+ $2 Rxe6 11. Qxe6+ Kh7 12. Qe7+ Kh6 13. Qxg5+ Qxg5 14. fxg5+ Kxg5 $11 {King g5!}) 10... Kg6 (10... Qxg5 11. Qh3+ $18) 11. Re6+ Rxe6 12. Qxe6+ Kxg5 13. Qe5+ (13. Qd5+) 13... Kg6 14. Qxh5+ Kxh5 {King h5!} 15. Kb3 (15. Kc3) 15... Kg5 16. Kb4 Kf5 17. Kxb5 Ke4 18. Kc4 $1 b5+ 19. Kc5 $18 1-0

[Event "4.hm SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Jan Timman, Netherlands"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "3B4/PpR5/1R1P1K1k/1B1b4/1p3p2/8/1r3PP1/q7 w - - 0 1"] [PlyCount "39"] [EventDate "2024"] 
 1. d7 Rxf2+ (1... Rd2+ 2. Kf5+ Kh5 3. f3 $18 ({or} 3. Rc2 Rxc2 4. Rh6+ Kxh6 5. Bg5+)) 2. Kf5+ (2. Ke7+ $2 Kg7 $19) 2... Kh5 (2... Kh7 3. Rh6+ {comes to the same} ({Not} 3. Rc2 Rxc2 4. Bg5 Be4+ $1 5. Kxf4 Qc1+ 6. Kxe4 Qxg5 $11)) 3. Rh6+ $1 (3. Rc4 Qd1 $1 (3... Qb1+ 4. Ke5 Re2+ 5. Kd6) 4. a8=Q Qd3+ 5. Kf6 Qg6+ 6. Ke5 Re2+ 7. Kd4 Qf5 $11) 3... Kxh6 4. Bg5+ Kh5 5. Rc1 $1 (5. d8=Q Qb1+ 6. Ke5 Qe4+ $11) 5... Qxc1 (5... Be4+ 6. Kxe4 Qxc1 7. d8=Q Qe3+ 8. Kf5 Qc5+ 9. Ke6 $18 ) 6. Be2+ $1 Bf3 $1 (6... Rxe2 7. g4+ fxg3 8. Bxc1 Be6+ 9. Kf6 Bxd7 10. a8=Q $18) 7. g4+ $1 (7. Bxf3+ Rxf3 8. gxf3 Qc5+ $11) 7... fxg3 8. Bxc1 Bg4+ $1 9. Ke5 Rf8 (9... Rxe2+ 10. Kd6 $18 (10. Kf6 $18)) 10. Kd6 $1 (10. Bxg4+ $2 Kxg4 11. Kd6 g2 12. Be3 b3 13. Ke7 Rg8 $11) 10... g2 11. Be3 b3 12. Ke7 b2 13. Bd3 Rf3 14. d8=Q Rxe3+ 15. Kf7 $1 ({Try:} 15. Kf6 $2 Re6+ 16. Kf7 b1=Q $1 17. Bxb1 g1=Q $11) 15... Rxd3 16. Qh8+ $1 (16. Qxd3 $2 g1=Q 17. a8=Q Be6+ 18. Kxe6 Qg4+ $11) 16... Kg5 17. Qf6+ Kh5 18. a8=Q Rd7+ 19. Kf8 (19. Kg8 $2 Be6+ 20. Kh8 Rh7+ $1 21. Kxh7 b1=Q+ 22. Kh8 g1=Q 23. Qe8+ Qbg6 $11) 19... b1=Q 20. Qe8+ 1-0

[Event "2.c SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Volger Hergert & Jan Sprenger, Germany"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/P2Q2rq/4P1k1/4p3/4n2p/8/1P2KP2/8 w - - 0 1"] [PlyCount "27"] [EventDate "2024"] 
 1. e7 $1 (1. Qe8+ $2 Kh6 2. a8=Q Ng3+ $1 3. Kd2 (3. fxg3 Qc2+ $10) 3... Nf1+ 4. Kc3 Rc7+ 5. Kb4 Rb7+ 6. Kc5 Qc2+ $10 {perpetual}) 1... Qh5+ (1... Rxe7 2. Qg4+ Kf7 3. a8=Q $18) 2. f3 (2. Ke3 Rf7 $1 3. Qc6+ Kg7 4. Qxe4 Qh6+ $1 5. Ke2 Qa6+ $10) (2. Ke1 {eg} Rxe7 3. Qxe7 Qf3 $10) 2... Ng3+ (2... Rxe7 3. Qxe7 $18) 3. Kf2 (3. Kd2 $2 Qg5+ 4. Kc2 Rxe7 $10) (3. Ke1 $2 Qxf3 4. e8=Q+ Kh7 $10) 3... Ne4+ $1 (3... Nh1+ 4. Ke1 $18) 4. fxe4 Kh6 {Threatens Rg2+ and perpetual.} ( 4... Kh7 5. e8=Q $18 {rook pinned}) 5. Qe6+ $1 (5. e8=Q $2 {or a8=Q} Rg2+ $1 6. Kxg2 Qe2+ $10 {perpetual}) 5... Kh7 {The zwischenzug Qe6+ avoids the perpetual, but now White needs to anticipate the hidden black stalemate play.} 6. a8=Q $1 ({logical try} 6. e8=Q $2 Rg2+ $1 7. Kxg2 Qe2+ 8. Kh3 Qf3+ 9. Kxh4 Qf2+ 10. Kh5 Qh2+ 11. Qh3 $1 Qxh3+ 12. Kg5 Qh6+ 13. Kf5 Qf8+ $1 {square f8 only controlled by queen} 14. Qxf8 {stalemate}) 6... Rg2+ $1 7. Kxg2 Qe2+ 8. Kh3 Qf3+ 9. Kxh4 Qf2+ 10. Kh5 Qh2+ 11. Qh3 $1 Qxh3+ 12. Kg5 Qh6+ $5 (12... Qf1 13. Qh8+ $1 { /Qg8+} Kxh8 14. e8=Q+ Kh7 15. Qg6+ Kh8 16. Qf6+ Qxf6+ 17. Kxf6 $18) 13. Kf5 Qf8+ {square f8 also controlled by pawn, compare 6. e8=Q?} 14. exf8=R $1 { /exf8N or exf8B, no stalemate} (14. Qxf8 $2 {stalemate}) (14. exf8=Q $2 { stalemate}) 1-0

[Event "5.c SŠZ_100_JT 2024"] [Site ""] [Date ""] [Round ""] [White "Peter Krug & Mario Garcia, Austria & Argentina"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4NNn1/6B1/3p3n/5p1k/p7/7K/8/8 w - - 0 1"] [PlyCount "27"] [EventDate "2021"] 
 1. Bf6 $1 Ng4 ({main:} 1... Nf7 2. Ng7+ Kh6 3. Nxf5+ Kh5 4. Ng3+ Kh6 5. Kh4 Nxf6 (5... Ne7 6. Bxe7 Kg7 7. Nf5+ $18) 6. Nf5#) ({main:} 1... Nxf6 2. Ng7+ Kg5 3. Nge6+ Kh5 4. Nf4+ Kg5 5. N8e6#) 2. Ng7+ Kh6 3. Nxf5+ Kh5 4. Ng3+ Kh6 5. Kh4 Ne3 (5... N8xf6 6. Nf5# {similar to main}) 6. Bd4 $1 (6. Bg5+ $2 Kg7 7. Ne6+ Kf7 8. Nd8+ Ke8 $14) 6... Ng2+ (6... a3 7. Bxe3+ Kg7 8. Ne6+ $18) 7. Kh3 $1 (7. Kg4 $2 Ne7 $1 8. Nh5 Nf5 9. Kxf5 Kxh5 $11) 7... Ne1 (7... Nf4+ 8. Kg4 Ng6 (8... Ne7 9. Kxf4 $18) 9. Nf5# {similar to main}) 8. Kg4 $1 (8. Nf5+ $2 Kg5 $1 $11 ( 8... Kh5 $2 9. Be3 $18)) 8... Ne7 9. Bf6 $1 (9. Nh5 $2 Nf5 $1 $11) 9... Nc2 10. Bxe7 Kg7 11. Ne2 $1 (11. Ne4 $2 a3 12. Nc3 Nb4 {(x1)} 13. Ne6+ Kf7 14. Bxd6 a2 15. Nxa2 Nxa2 $11 {no is possible domination}) (11. Nf5+ $2 Kf7 12. Bxd6 a3 $1 $13) 11... a3 (11... Ne3+ 12. Kg5 $1 $18) 12. Nc1 $1 (12. Nc3 $2 Nb4 $11 { similar position (x1)}) 12... Ne3+ 13. Kg5 $1 $18 (13. Kh5 $2 Nf5 $1 (13... a2 $2 14. Nxa2 Nf5 15. Ng6 Nxe7 16. Nxe7 $18 {Troiski}) 14. Ne6+ (14. Ng6 Nxe7 $11 {no Troiski}) 14... Kf7 $11) 13... Nd5 14. Bxd6 $18 1-0