www.arves.org - StrateGems 2022

Studies awarded for the magazine tournament Strategems 2022

[Event "1.p. StrateGems 2022"] [Site ""] [Date "2022"] [Round ""] [White "Richard Becker"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6k1/4P2p/p7/1q3PKn/5PQ1/P7/8/Nb6 w - - 0 1"] [PlyCount "51"] [EventDate "2022"] 
 1. Kh6+ $1 (1. Kxh5+ $2 Kf7 $11) 1... Kh8 (1... Kf7 2. Qxh5+ Kxe7 3. Qg5+ Kd7 4. Qg7+ $18) 2. Qg2 $1 (2. Qxh5 $2 Qc6+ 3. Kg5 Qg2+ 4. Qg4 Qe4 5. f6 Qg6+ 6. Kh4 Qxf6+ 7. Qg5 Qe6 8. Qe5+ Qxe5 9. fxe5 Bg6 $11) 2... Qe8 3. Qb2+ $3 { Choosing to keep the wP on a3} ({Thematic try} 3. a4 $2 Be4 $1 4. Qb2+ Kg8 5. Qb3+ Kh8 6. Qc3+ Kg8 7. Qc4+ Kh8 8. Qd4+ Kg8 9. Qxe4 Ng7 10. Qd5+ Qf7 11. Qa8+ Ne8 12. Qg2+ Qg7+ $1 ({Not} 12... Kh8 $2 13. Qb2+ Kg8 14. Qb3 Ng7 15. Kg5 $1 $18) 13. Qxg7+ Nxg7 14. Kg5 (14. f6 Ne8 15. Nb3 Nxf6 16. Nc5 Kf7 17. Nxa6 Nd5 $1 18. Kg5 h5 $1 $11) 14... Kf7 15. Nb3 h6+ 16. Kxh6 Nxf5+ 17. Kg5 Nxe7 18. Nc5 a5 19. Nb7 Nd5 {(or Nc8)} 20. Nxa5 Nb6 {(or Nc3) and the wPa4 is lost, draw}) 3... Kg8 4. Qb3+ Kh8 5. Qc3+ Kg8 6. Qc4+ Kh8 7. Qd4+ Kg8 8. Qd5+ Kh8 9. Qg2 $1 Be4 (9... a5 10. a4 $1 $18) 10. Qb2+ $1 Kg8 11. Qb3+ Kh8 12. Qc3+ Kg8 13. Qc4+ Kh8 14. Qd4+ Kg8 15. Qxe4 Ng7 16. Qd5+ Qf7 17. Qa8+ Ne8 18. Qg2+ Qg7+ ({Main}  18... Kh8 {This defense is stronger with wP on a3} 19. Qb2+ Kg8 20. Qb3 (20. Qe5 $2 Ng7 21. Qb8+ Ne8 22. Qb3 {loss of time}) 20... Ng7 21. f6 $1 { White finds a way to win} ({Not} 21. Kg5 $2 h6+ 22. Kg4 Ne8 23. Qe6 Ng7 24. Qb3 Ne8 25. a4 Kg7 26. Qe6 Qxe6 27. fxe6 Kf6 28. Nb3 Kxe6 29. Nc5+ Kxe7 { and draws due to the loss of tempo by White's a-pawn}) 21... Ne8 22. f5 Nxf6 23. Qe6 Ne8 24. Nc2 $1 { Sacrifice of an f-pawn has gained a tempo for the Knight 24...} Ng7 25. Qxf7+ Kxf7 26. Ne3 Ne8 27. Kxh7 Nf6+ (27... Nd6 28. Kh6 Kf6 29. Kh5 Ne8 30. Kg4 Kxe7) 28. Kh6 Ng8+ 29. Kh5 $1 (29. Kg5 $2 Nxe7 {zz} 30. a4 a5 {zz} 31. Nc4 Nd5 32. Nxa5 Nb6 {(or Nc3)=}) 29... Nxe7 30. Kg5 $18 {zugzwang with BTM}) 19. Qxg7+ Nxg7 20. Kg5 Kf7 21. Nb3 $1 (21. Nc2 $2 h6+ 22. Kxh6 Nxf5+ 23. Kg5 (23. Kh5 Kxe7 $1 $11) 23... Nxe7 {zz} 24. Ne3 Ke6 {zz}) 21... h6+ 22. Kxh6 Nxf5+ 23. Kg5 Nxe7 24. Nc5 a5 25. Nb7 $1 (25. Nb3 $2 Nc6 26. a4 Ke6 27. f5+ Kf7 $11) 25... a4 26. Nc5 {wins. Logical study with 20 move foresight effect.} 1-0

[Event "2.p. Strategems 2022"] [Site ""] [Date "2022.04.24"] [Round ""] [White "Jan Timman"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1NK3Rb/5p1k/8/7p/4P2P/7p/2B1b3/8 w - - 0 1"] [PlyCount "11"] [EventDate "2022.04.24"] 
 1. Rg1 Bf3 (1... Bd4 2. e5+ $18 (2. Rh1 $2 Bf3 3. e5+ Kg7 4. e6 Bxh1 5. e7 h2 6. e8=Q Bb7+ 7. Kxb7 h1=Q+ $11) 2... Kh8 3. e6 fxe6 4. Rh1 $18) (1... Bg4+ 2. Nd7 h2 3. Rh1 Be5 4. Bd1 $18) 2. e5+ $1 (2. Nd7 $2 {/Rf1} h2 3. e5+ Kh6 $11) 2... Kh6 3. e6 $1 ({Try:} 3. Rg5 $2 h2 4. e6 h1=Q $1 (4... Bb7+ $2 5. Kc7 h1=Q 6. exf7 Bg7 7. Rg6+ Kh7 8. Rg1+ $1 Kh6 9. Rxh1 Bxh1 10. Nd7 Bd5 11. f8=Q Bxf8 12. Nxf8 $18) 5. exf7 Qh3+ {(1)} 6. Bf5 (6. Nd7 Bb7+ 7. Kb8 (7. Kd8 Qxh4 8. f8=Q+ Kxg5 $11) 7... Qh2+ 8. Kxb7 Qh1+ 9. Kc7 (9. Kb6 Bd4+ 10. Rc5 (10. Kc7 { e.g.} Bb6+ 11. Kd6 Bc7+ 12. Ke7 Bd6+ 13. Ke6 (13. Kxd6 Qc6+ 14. Kxc6 $11 { stalemate}) 13... Qh3+ $11) 10... Bxc5+ 11. Kxc5 Qg1+ 12. Kc6 Qg2+ 13. Kc7 Qg3+ 14. Kc8 (14. Kd8 Qxh4+ 15. Ke8 Qe1+ $11) 14... Qc3+ 15. Kd8 Qa5+ $11) 9... Qh2+ 10. Kd8 Bf6+ 11. Ke8 (11. Nxf6 Qc7+ 12. Kxc7 $11 {stalemate}) 11... Qe2+ 12. Re5 Bxe5 13. f8=Q+ Bg7+ $11) 6... Bb7+ $1 7. Kd7 Bc8+ $1 8. Kxc8 Qc3+ 9. Kd7 Qd4+ $1 10. Ke8 Qe5+ $1 $11 {positional draw}) ({or} 3. Rf1 $2 h2 $1 $11 (3... Bd5 $2 4. Nc6 Bxc6 5. Rxf7 Bg7 6. Re7 Bd5 7. Ra7 h2 8. Ra6+ Bf6 9. Rxf6+ Kg7 10. Rf1 $18)) 3... h2 4. exf7 (4. Rg5 $2 h1=Q 5. exf7 Qh3+ $11 { similar to try in (1)}) 4... Bb7+ $1 5. Kxb7 hxg1=R $1 (5... hxg1=Q $6 6. f8=Q+ Qg7+ (6... Bg7 7. Qf4+ $18) 7. Nd7 $1 Qxf8 8. Nxf8 Bd4 9. Ng6 Bf2 10. Kc6 Kg7 11. Kd7 Kf6 (11... Kf7 12. Ne5+ Kf6 13. Nf3 $18) 12. Ke8 Bc5 13. Nf4 Bf2 14. Ng2 $18 {procedure: the white king defends his only pawn and the knight and bishop capture the black pawn}) 6. f8=R $1 $18 (6. f8=Q+ $2 Rg7+ 7. Qxg7+ (7. Nd7 $11 {stalemate}) 7... Kxg7 {/Bxg7=}) 1-0

[Event "3.p. StrateGems 2022"] [Site ""] [Date "2022.10.09"] [Round ""] [White "Sergey Osintsev"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2R5/1BP1rrP1/7B/5n2/3R4/8/pp5K/k7 w - - 0 1"] [PlyCount "19"] [EventDate "2022"] 
 1. Ra8 $1 (1. g8=Q $2 Nxd4 2. Ra8 b1=Q 3. c8=Q Rxb7 4. Qc3+ Rb2+ 5. Qg2 $11) ( 1. Rd1+ $2 b1=Q 2. Rxb1+ axb1=Q 3. Ra8+ Kb2 $11) 1... Re2+ (1... b1=Q 2. c8=Q $1 (2. Rd2 $2 Rxc7 3. Raxa2+ Qxa2 4. Rxa2+ Kxa2 5. Bd5+ Kb2 6. g8=Q Rh7 7. Qb8+ Kc3 $11) 2... Rxb7 (2... Nxd4 3. Qc3+ Qb2+ 4. Qxb2+ Kxb2 5. Rxa2+ Kxa2 6. Bd5+ $18) (2... Rxg7 3. Bxg7 Rxg7 4. Qc3+ Qb2+ 5. Qxb2+ Kxb2 6. Rb4+ $18) 3. Rd2 $1 (3. Rxa2+ $2 Qxa2+ 4. Rd2 Qb2 5. Rxb2 Rxb2+ 6. Kg1 Rb1+ 7. Bc1 Rxg7+ 8. Kf2 Rbb7 $11) 3... Nxh6 4. Raxa2+ Qxa2 5. Qc1+ Rb1 (5... Qb1 6. Qa3+) 6. Rxa2+ $18) 2. Bg2 Rxg2+ $1 (2... b1=Q {e.g.} 3. c8=Q Rxg2+ 4. Kxg2 Ne3+ 5. Bxe3 Qf1+ 6. Kg3 $1 Qe1+ (6... Qf3+ 7. Kh4 $1 $18 Qf6+ 8. Kh5 Qe5+ 9. Bg5 $18) 7. Kg4 $1 Qe2+ (7... Rxg7+ 8. Kf5 $1 $18) 8. Kh4 $18) 3. Kxg2 Ne3+ $1 (3... b1=Q 4. c8=Q $18) 4. Bxe3 Rxg7+ (4... b1=Q 5. c8=Q Qf1+ 6. Kg3 Qe1+ 7. Kg4 Rxg7+ 8. Kf5 $1 $18) 5. Kh2 $3 (5. Kf3 $2 b1=Q 6. c8=Q Qf1+ 7. Ke4 Re7+ 8. Kd5 Qb5+ 9. Kd6 Qe5+ 10. Kc6 Re6+ 11. Kd7 Re7+ 12. Kc6 Re6+ $11) 5... Rxc7 (5... b1=Q 6. c8=Q Qh7+ 7. Bh6 $3 (7. Qh3 $2 Qc2+ 8. Rd2 Qc7+ 9. Kh1 Qc1+ $1 10. Kh2 Qc7+ 11. Bf4 $1 Qxf4+ 12. Kh1 Qe4+ (12... Qxd2 $2 13. Qf1+ $18) 13. Rg2 $11) 7... Qxh6+ 8. Qh3 $18) ({aditional thematic line} 5... Rh7+ 6. Kg3 $1 ({Thematic try:} 6. Kg2 $2 Rxc7 7. Rd1+ Rc1 8. Bxc1 b1=Q 9. Rb8 $5 {Posiiton A2.} Qb7+ { /e4= "mad" Queen followed by a stalemate}) 6... Rxc7 7. Rda4 $1 {Position B.} ( {Thematic try:} 7. Rd1+ $2 Rc1 8. Bxc1 b1=Q 9. Rb8 $5 {Position A1} (9. Rad8 Qg6+ $1 $11) 9... Qb3+ {/d3=} 10. Rxb3 {/d3=stalemate}) 7... b1=Q 8. Bd4+ $18) 6. Rd1+ ({Thematic try:} 6. Rda4 $2 { error! Position B1: change of false trail and solution} Rc2+ $1 7. Kg3 b1=Q 8. Bd4+ Rb2 $11) 6... Rc1 7. Bxc1 $1 (7. Rxc1+ $2 bxc1=Q 8. Bxc1 Kb1) 7... b1=Q 8. Rb8 $3 {Under the capture with a check! Position A.} (8. Rg1 $2 Qh7+ $1 9. Bh6+ Kb2 10. Rg2+ Kb3 $11 {/c3=}) (8. Ra7 $2 Qc2+ $1 9. Rd2 Qb3 $11) 8... Qxb8+ 9. Bf4+ Qb1 (9... Kb2 10. Bxb8 $18) 10. Be5# { Model checkmate with Queen pin and active blocking} 1-0

[Event "sp.p. StrateGems 2022"] [Site ""] [Date "2022.10.09"] [Round ""] [White "Jan Rusinek"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1b6/8/k4B2/4N3/5np1/K6p/4RP2/3n4 w - - 0 1"] [PlyCount "24"] [EventDate "2022"] 
 1. Rd2 $1 (1. Re1 $2 Nxf2 $19) 1... Nxf2 $1 2. Rxf2 g3 $1 (2... Ng2 $2 3. Nxg4 $18) 3. Rxf4 {(By sacrifices of 2 knights black advanced his pawn)} Bd6+ $1 ( 3... h2 4. Ra4+ Kb7 5. Rb4+ Kc8 (5... Ka8 6. Ra4+ Ba7 7. Nc6 $11) 6. Rh4 $1 (6. Rc4+ $2 Bc7 7. Rh4 g2 8. Rxh2 g1=Q 9. Rh8+ Kb7 $19) 6... g2 7. Rxh2 g1=Q 8. Rc2+ $1 (8. Rh8+ $2 Kb7 9. Nc4 Qg3+ 10. Kb4 Bd6+ 11. Ka4 Qf4 $19) 8... Kb7 9. Nc4 $1 $11) (3... g2 4. Ra4+ Kb7 5. Rb4+ $11) 4. Ka2 $1 (4. Kb2 $2 h2 $1 5. Rh4 g2 6. Rxh2 g1=Q 7. Rd2 Qb6+ $19) (4. Kb3 $2 g2 5. Ra4+ Kb5 6. Rg4 h2 7. Rxg2 h1=Q $18) (4. Ka4 $2 h2 {/g2+-}) 4... h2 ({Or similarily:} 4... g2 5. Ra4+ $1 ( 5. Rg4 $2 h2 6. Rxg2 h1=Q 7. Rd2 Bb4 $19) (5. Nf3 $2 h2 6. Bd4 Bxf4 7. Nxh2 Bxh2 $19) 5... Kb5 (5... Kb7 6. Rg4 h2 7. Rxg2 h1=Q 8. Rb2+ Ka6 9. Nc4 Qd5 10. Kb3 $11) 6. Rg4 h2 7. Rxg2 h1=Q 8. Rb2+ Ka4 9. Nc4 $1 (9. Nd3 $2 Qd5+ $19) 9... Qd5 10. Rc2 Qf5 11. Ba1 $1 Qxc2+ 12. Nb2+ Kb5 $11 {stalemate}) 5. Ra4+ $1 (5. Rh4 $2 g2 6. Rxh2 g1=Q 7. Rd2 Qg8+ $19) 5... Kb5 (5... Kb7 6. Rh4 g2 7. Rxh2 g1=Q 8. Rb2+ Ka8 9. Nc4 $1 $11) 6. Rh4 g2 7. Rxh2 g1=Q 8. Rb2+ Ka4 9. Nc4 $1 ( 9. Nd3 $2 Qg8+ 10. Ka1 Qg6 $19) 9... Qg8 10. Rc2 Qg6 11. Ba1 $1 (11. Nb2+ $2 Kb5 $19) 11... Qxc2+ 12. Nb2+ Kb4 $11 {stalemate} 1/2-1/2

[Event "sp.p. StrateGems 2022"] [Site ""] [Date "2022.10.09"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/p5kP/B2P2P1/5b2/2Pp1p2/R1p1P2p/7b/5K2 w - - 0 1"] [PlyCount "34"] [EventDate "2022"] 
 1. Bc8 $1 ({Thematic try:} 1. Bb5 $2 c2 2. Rxa7+ Bd7 {Nowotny} 3. Rxd7+ Kxg6 4. h8=Q c1=Q+ $19) ({or} 1. exd4 $2 c2 2. Ra1 (2. Rc3 Bg3 3. Bb7 f3 4. Bxf3 Bxd6 5. c5 Bf4 $19) 2... f3 $1 3. Kf2 Bf4 4. Kxf3 c1=Q 5. Rxc1 Bxc1 6. c5 h2 7. Kg2 Bf4 8. Bb7 a5 $19) (1. d7 $2 Bxd7 2. exd4 c2 3. Rc3 Bf5 4. Bc8 Bd3+ 5. Ke1 Be4 6. Kd2 f3 $19) 1... c2 2. Rxa7+ Bd7 $1 {Nowotny} (2... Kxg6 $4 3. Bxf5+ $18) 3. Rxd7+ Kxg6 4. h8=N+ Kf6 (4... Kh6 5. Rh7+ $1 Kxh7 6. Bf5+ Kxh8 7. Bxc2 $11) 5. Rf7+ Ke5 (5... Kg5 6. Rg7+ Kh4 7. Rh7+ Kg5 8. Rg7+ $11) 6. Ng6+ Kxd6 7. c5+ Kd5 (7... Kc6 $4 8. Ne5+ Kd5 9. Nd3 $18) 8. Rd7+ Kc4 9. Rxd4+ Kc3 (9... Kxc5 10. Rc4+ Kxc4 11. Ne5+ $11) 10. Rd3+ Kb4 (10... Kxd3 11. Nxf4+ Bxf4 12. Bf5+ Kd2 13. Bxc2 $11) 11. Rd4+ Kxc5 12. Rc4+ Kxc4 13. Ne5+ Kc3 14. Nd3 Kxd3 (14... Bg1 15. exf4 h2 16. Kg2 Kxd3 17. Bf5+ Ke3 18. Bxc2 $11) (14... Kd2 15. exf4 $11) 15. Bf5+ Kd2 (15... Kxe3 16. Bxc2 $11) 16. Bxc2 fxe3 (16... Kxc2 17. exf4 Kd3 18. f5 Ke4 19. f6 Kf3 20. f7 $11) 17. Bd1 $1 Kxd1 {stalemate} 1/2-1/2

[Event "hm.StrateGems 2022"] [Site ""] [Date "2022.10.09"] [Round ""] [White "Michal Hlinka & Pavel Arestov"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6B1/1R4pn/8/8/4p2K/k2p4/2pP4/7N w - - 0 1"] [PlyCount "29"] [EventDate "2022"] 
 1. Rb3+ (1. Rc7 $2 e3 $1 2. Bxh7 exd2 3. Rc3+ Kb4 4. Rxc2 d1=Q 5. Bxd3 Qxh1+ 6. Kg3 $11) 1... Ka4 2. Rc3 e3 $1 3. Bb3+ (3. dxe3 d2 4. Bb3+ Kb4 5. Bxc2 Kxc3 6. Bd1 Kd3 $11) 3... Kb4 4. Bxc2 e2 $1 (4... dxc2 5. Rxc2 $18) 5. Rb3+ (5. Nf2 $2 e1=Q 6. Rb3+ Ka5 7. Ra3+ Kb4 8. Rb3+ Kc5 9. Rc3+ $11) 5... Kc4 6. Bxd3+ (6. Rc3+ Kb4 7. Rb3+ Kc4) 6... Kxb3 7. Bxe2 Kc2 8. d3 $1 (8. d4 $2 Nf6 9. Ng3 Kc3 10. Nf5 g6 $11) 8... Kd2 9. Bg4 $1 (9. Bh5 $2 g5+ 10. Kg3 Nf6 $11) (9. Bf1 $2 Ke3 $1 10. Kg3 Nf6 11. Nf2 Nh5+ 12. Kg2 Nf4+ $11) 9... Ke3 $1 (9... Kxd3 10. Bf5+ $18) 10. Kg3 Nf6 11. Nf2 g6 12. Bd1 $1 (12. Bf3 $2 g5 $1 {zz} 13. Be4 Nh5+ 14. Kg2 Nf4+ 15. Kf1 Kd4 $11) 12... Nd5 (12... g5 13. Bf3 $1 $18 {zz}) 13. Bf3 (13. Bb3 $2 Nc3 14. Bc4 Ne2+ 15. Kg2 Nf4+ $11) 13... Nb4 14. Be4 Nxd3 15. Bxd3 $18 1-0