www.arves.org - Fide 8th World Cup 2020

Studies preliminary awarded for the Fide 8th World Cup 2020 tournament.

[Event "4th Prize, 8th Fide World Cup 2020"] [Site ""] [Date "2020"] [Round ""] [White "Jacob Aagaard"] [Black ""] [Result "1/2-1/2"] [Annotator "Yochanan Afek"] [SetUp "1"] [FEN "8/4k3/8/P3pp1p/7R/5pPP/2r2P1K/8 w - - 0 1"] [PlyCount "39"] [EventDate "2020"] 
 1. g4 $1 (1. Rxh5 $2 Rxf2+ 2. Kg1 Rg2+ 3. Kf1 Ke6 $19) (1. Kg1 $2 Rc1+ 2. Kh2 e4 3. Rxh5 e3 $19) 1... hxg4 (1... f4 2. gxh5 Rxf2+ 3. Kg1 Rg2+ 4. Kf1 e4 5. Rxf4 Ra2 $11) 2. Kg3 $1 f4+ 3. Kxg4 Rxf2 4. a6 $1 (4. Rh5 $2 Ke6 5. a6 Kd5 6. a7 Ra2 7. Kxf3 Ra3+ 8. Kg2 Rxa7 $19) (4. Rh7+ $2 Ke6 5. a6 e4 6. Kxf4 Rg2 $1 7. Kxe4 f2 8. Rh6+ Kf7 9. Rh7+ Kg6 10. a7 f1=Q $19) 4... Ke6 5. Rh8 $1 Ra2 6. Kxf3 Ra3+ 7. Kg2 $1 (7. Kg4 $2 Rg3+ 8. Kh4 Rg7 $19) 7... Kf5 8. Ra8 Ke4 9. a7 Ra2+ 10. Kh1 $1 (10. Kg1 f3 {ZZ}) 10... f3 {ZZ} 11. Kg1 $1 Ke3 12. Re8 Ra1+ 13. Kh2 f2 14. Rxe5+ Kf4 15. Re7 $1 (15. Re8 $2 Rh1+ 16. Kxh1 f1=Q+ 17. Kh2 Qf2+ 18. Kh1 Qf3+ 19. Kh2 Qg3+ 20. Kh1 Qxh3+ 21. Kg1 Qg3+ 22. Kf1 Qd3+ $19) 15... Rh1+ $1 16. Kxh1 f1=Q+ 17. Kh2 Qf2+ 18. Kh1 Kg3 19. Rg7+ Kxh3 20. Rh7+ {Draw} 1/2-1/2

[Event "1st Special Prize, 8th Fide World Cup 2020"] [Site ""] [Date "2020"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [Annotator "Yochanan Afek"] [SetUp "1"] [FEN "3N1K2/8/1p1k2p1/pp1P2p1/2P1P1pP/8/5b1P/8 w - - 0 1"] [PlyCount "29"] [EventDate "2020"] 
 1. c5+ $1 (1. Nf7+ $2 Kd7 2. Ne5+ Kd6 $11) (1. Nb7+ $2 Ke5 2. d6 Bc5 3. Nxc5 Kxd6 4. Nb7+ Ke5 $19) (1. h5 $2 g3 $1 2. hxg6 gxh2 3. g7 h1=Q 4. g8=Q Qxe4 $11) 1... Bxc5 (1... Kd7 2. c6+ Kxd8 3. d6 gxh4 4. e5 Bc5 5. c7+ Kd7 6. c8=Q+ Kxc8 7. Ke8 $18) (1... Kxc5 2. Nb7+ Kc4 3. h5 gxh5 4. d6 g3 5. hxg3 Bxg3 6. d7 Bc7 7. Ke7 g4 8. Nd6+ Kb4 9. Ne8 Bd8+ 10. Kxd8 g3 11. Kc8 g2 12. e5 g1=Q 13. e6 $18 ) (1... bxc5 2. Nf7+ Kc7 3. e5 c4 4. e6 $18) 2. Nb7+ $1 Ke5+ (2... Kd7+ 3. Nxc5+ bxc5 4. e5 $18) 3. Nxc5 bxc5 4. h5 $1 (4. Ke7 $2 gxh4 5. d6 g3 6. hxg3 hxg3 7. d7 g2 8. d8=Q g1=Q $19) 4... gxh5 5. Ke7 $1 g3 $1 (5... a4 6. d6 a3 7. d7 a2 8. d8=Q a1=Q 9. Qh8+ $18) (5... b4 6. d6 b3 7. d7 b2 8. d8=Q b1=Q 9. Qd6+ Kxe4 10. Qg6+ $18) (5... c4 6. d6 c3 7. d7 c2 8. d8=Q c1=Q 9. Qd5+ Kf4 10. Qf5+ Ke3 11. Qxg5+ $18) (5... h4 6. d6 g3 7. d7 gxh2 (7... g2 8. d8=Q g1=Q 9. Qd5+ Kf4 10. Qf5+ Ke3 11. Qxc5+ $18) 8. d8=Q h1=Q 9. Qd6+ Kxe4 10. Qc6+ $18) 6. hxg3 h4 7. gxh4 g4 $1 8. h5 g3 9. h6 g2 10. h7 g1=Q 11. h8=Q+ Kxe4 12. d6 c4 13. d7 Qc5+ 14. Ke8 Qc6 15. Qh1+ $18 1-0

[Event "2nd Special Prize, 8th Fide World Cup 2020"] [Site ""] [Date "2020"] [Round ""] [White "Alexey Sochnev"] [Black ""] [Result "1-0"] [Annotator "Yochanan Afek"] [SetUp "1"] [FEN "n7/4p3/3pP3/K4P1p/p2P4/2P2R1N/4p3/3k4 w - - 0 1"] [PlyCount "53"] [EventDate "2020"] 
 1. Nf2+ $1 (1. Rd3+ $2 Kc2 2. Re3 Kd2 3. Re4 $5 Kd3 4. Nf2+ Kd2 5. Nh3 $5 Kd3 6. Nf2+ Kd2 $11) 1... Kc2 $1 2. Nd3 (2. Re3 $2 Kd2 3. Rd3+ Kc2 4. Re3 Kd2 $11) 2... a3 3. Ne1+ Kc1 $1 (3... Kd2 4. c4 $18) 4. c4 a2 5. Ra3 (5. Rc3+ $2 Kb2 6. Rc2+ Kb1 $1 7. Rxa2 Kxa2 {etc. See thematic try 1.}) 5... Kb2 6. Ra4 $1 ({ Thematic try 1:} 6. Rxa2+ $2 Kxa2 7. f6 exf6 8. e7 Nc7 9. Kb6 Ne8 10. c5 dxc5 11. Kxc5 h4 12. d5 h3 13. d6 Nxd6 14. Kxd6 h2 15. e8=Q h1=Q 16. Qxe2+ Ka3 $1 17. Qd3+ Ka4 18. Qc4+ Ka5 $11) ({Thematic try 2:} 6. Ka4 $2 a1=Q 7. Nd3+ Kb1 8. Rxa1+ Kxa1 9. f6 exf6 10. e7 Nc7 11. d5 h4 12. c5 Ne8 13. cxd6 Nxd6 14. Kb4 h3 15. Kc5 Ne4+ 16. Kd4 Nd6 17. Kc5 Ne4+ $11) 6... h4 7. f6 $1 exf6 8. e7 Nc7 9. Kb6 ({Thematic try 3:} 9. c5 $2 dxc5 10. d5 Ne8 11. Kb5 h3 12. Nd3+ Kb1 $1 13. Rxa2 Kxa2 14. Nc1+ Ka3 $1 15. Nxe2 c4 $1 16. Kxc4 Nd6+ 17. Kc5 Ne4+ 18. Kd4 Nd6 19. Kc5 Ne4+ $11) 9... Ne8 10. c5 dxc5 11. Kxc5 $1 ({Logical try:} 11. dxc5 $2 a1=Q 12. Nd3+ Kb1 13. Rxa1+ Kxa1 14. c6 h3 15. c7 Nxc7 16. Kxc7 e1=Q 17. Nxe1 h2 18. e8=Q h1=Q 19. Qa4+ Kb2 20. Qc2+ Ka3 21. Nd3 Qa1 22. Qc4 Qb1 $1 {ZZ} 23. Nc1 Kb2 24. Nd3+ Ka3 25. Nc5 Qh7+ $1 26. Kb6 Qb1+ $1 27. Kc7 Qh7+ $11) 11... a1=Q (11... h3 12. Nd3+ Kc2 13. Rxa2+ Kxd3 14. Ra1 Kd2 15. d5 e1=Q 16. Rxe1 Kxe1 17. d6 h2 18. d7 h1=Q 19. dxe8=Q Qg1+ 20. Kb5 $1 Qf1+ 21. Ka5 $1 Qd3 22. Qd8 $18) 12. Nd3+ Kb1 13. Rxa1+ Kxa1 14. d5 h3 15. d6 Nxd6 16. Kxd6 e1=Q $1 ( 16... h2 17. e8=Q h1=Q 18. Qa4+ $1 $18) 17. Nxe1 h2 18. e8=Q h1=Q 19. Qa4+ Kb2 20. Qc2+ Ka3 21. Nd3 Qa1 (21... Qb7 22. Qc1+ Ka2 23. Qd2+ Kb1 24. Qe1+ Kc2 25. Nb4+ Kb3 26. Qd1+ Ka3 27. Qa1+ Kb3 28. Qa2+ Kc3 29. Qc2+ Kxb4 30. Qb2+ $18) 22. Qc4 $1 Qb1 23. Kc7 $1 {ZZ} Qb3 24. Qa6+ Qa4 25. Qd6+ Ka2 26. Qh2+ Ka3 27. Qb2# 1-0

[Event "1st HM, 8th Fide World Cup 2020"] [Site ""] [Date "2020"] [Round ""] [White "Luis Miguel Gonzales"] [Black ""] [Result "1-0"] [Annotator "Yochanan Afek"] [SetUp "1"] [FEN "8/2q3pP/3p2P1/3P4/8/5Pk1/7p/1RR2K2 w - - 0 1"] [PlyCount "29"] [EventDate "2020"] 
 1. h8=R $1 (1. h8=Q $2 h1=Q+ $1 2. Qxh1 Qc4+ $1 3. Ke1 Qb4+ $1 4. Kd1 Qd4+ 5. Ke2 Qe3+ $1 6. Kxe3 $11) (1. Rxc7 $2 h1=Q+ 2. Ke2 Qxb1 (2... Qxf3+ $11) 3. h8=Q Qb5+ 4. Kd2 Qxd5+ $11) 1... Qd8 (1... Qa7 2. Ke2 $1 Qa2+ 3. Ke3 Qa7+ 4. Kd3 Qa3+ 5. Rc3 Qa6+ 6. Rc4 Qa3+ 7. Kd4 Qa7+ 8. Ke4 $1 Qa2 9. Rcb4 $1 $18) 2. Rh5 $1 (2. Rh7 $2 Qf6 $1 3. Rb3 Qd4 4. Ke2 $1 (4. f4+ Kg4 5. Rbc3 Qg1+ 6. Ke2 h1=Q 7. Rxh1 Qg2+ 8. Ke3 Qf3+ 9. Kd4 Qe4+ $1 10. Kxe4 $11) 4... Qxd5 $1 5. Rbc3 Qe5+ 6. Kd2 Qd5+ 7. Rd3 Qa2+ 8. Rc2 Qa5+ 9. Rdc3 d5 $1 10. Kd3 (10. f4+ Kg4 $1 11. Kd3 Qb5+ 12. Kd4 Qb4+ 13. Kxd5 h1=Q+ 14. Rxh1 Qe4+ $1 15. Kxe4 $11)) 2... Qf8 $1 3. Rb3 $1 (3. Rc3 $2 Qf5 $1 4. f4+ Kg4 5. Rxf5 h1=Q+ $11) 3... Qf5 $1 4. Rh8 $1 {Switchback} (4. Rh7 $2 Qxd5 $1 5. Rbc3 Qb5+ 6. Ke1 Qe5+ 7. Kd2 Qd5+ { transposing to the earlier try 2.Rh7?} 8. Rd3 Qa2+ 9. Rc2 Qa5+ 10. Rdc3 d5 11. Kd3 {etc as in the earlier try}) 4... Qxd5 5. Rbc3 $1 Qd2 $1 (5... Qb5+ 6. Ke1 Qe5+ 7. Kd2 Qd5+ 8. Rd3 Qa2+ 9. Rc2 Qa5+ 10. Rdc3 d5 11. Kd3 Qb5+ 12. Kd4 Qb6+ 13. Kxd5 $18) 6. f4+ Kg4 7. f5 $1 (7. Rhh3 $2 d5 $1 8. Rcg3+ Kxf4 9. Rf3+ Kg4 $1 $11) (7. R3c2 $2 h1=Q+ $1 8. Rxh1 Qxf4+ $11) 7... d5 $1 8. R3c2 $1 (8. f6 $2 d4 $1 9. R3c2 h1=Q+ $1 10. Rxh1 Qf4+ 11. Rf2 Qxc1+ 12. Kg2 Qc6+ $1 $11) 8... h1=Q+ $1 9. Rxh1 Qf4+ 10. Rf2 $1 (10. Ke2 Qe4+ {Loss of time}) 10... Qxc1+ 11. Kg2 Qe3 12. Rhf1 $1 (12. f6 $2 Qe4+ 13. Kh2 Qe5+ 14. Kg1 Qe1+ $11) 12... Qg3+ 13. Kh1 Qh3+ 14. Kg1 Kg5 15. f6 $1 $18 1-0