WCCI 2016-18: Yochanan Afek (ISR)

(1)
Yochanan Afek
FIDE Cup
2017
1st Honourable Mention

White wins

1. Nd8+! Kh8 2. Re7! Bg6 3. Bf7! Bxf7 3... Qh3 4. Re8+ Kh7 5. Bg8+ Kh8 6. Nf7+ Bxf7 7. Bxf7+ Kh7 8. g6+ Kh6 9. Rh8+ +- 4. Nxf7+ Kg8 5. g6!! Qxg6 6. Ne5! Domination 6... Qf6 6... Qd6 7. Re8+ Kh7 8. Rh8+! Kxh8 9. Nf7+ +- 7. Re8+ Kh7 8. g5!

8... Qxg5 9. Rh8+! Kxh8 10. Nf7+ Kh7 11. Nxg5+ Kh6 The second phase is starting: a subtle chase of the black pawns 12. Nf7+! Switchback of the knight for the third time to its initial square! 12. Nf3? g5 13. Kb6 g4 14. Ne5 Kg5 = 12... Kg6 13. Ne5+ 13. Nd6? Kf6! 14. a4 g5 15. a5 g4 16. a6 g3 = 13... Kf6 14. Nd3! g5 15. Kb6! f4 16. Kc5! f3 17. Kd4 g4

18. Nc5!! 18. Ke4? Ke6 19. a4 f2!! (19... Kd6? 20. Kf4 +-) 20. Nxf2 g3 21. Nd3 g2! 22. Nf4+ Kd6 23. Nxg2 Kc5 24. Kd3 Kb4 =; 18. Ke3? Ke6 19. Nf2 (19. Kf4 Kd5 20. Kxg4 Kc4 21. Nf2 Kb4 22. Kxf3 Ka3 =) 19... g3 20. Ne4 g2 =; 18. Nf2? Kf5 19. a4 g3 = 18... Kf5 19. a4! g3 19... f2 20. Ne4 f1=N 21. a5 g3 22. Nxg3+! +- 20. Ke3 g2 21. Kf2 Ke5 22. a5 Kd6 23. a6 Kc7 24. a7 +-

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(2)
Yochanan Afek
Hoch-70
2016
2nd Commendation

White wins

1. b7 e2 1... Kxe7 2. Rb1! +- 2. e8=Q+! 2. Ra1? Re3! 3. Ka8 e1=Q 4. Rxe1 Rxe1 5. b8=Q Ra1+ 6. Kb7 Rb1+ =; 2. Re1? Re3 3. e8=Q+ Kxe8! (3... Rxe8+? 4. Ka7 Re3 5. b8=Q Ra3+ 6. Kb7 Rb3+ 7. Ka8! Ra3+ 8. Qa7+! +-) 4. Kc7 Rc3+ 5. Kb6 Rb3+ 6. Kc6 Rc3+ 7. Kd6 Rd3+ 8. Kc5 Rb3 9. Rxe2+ Kd7 = 2... Kxe8 3. Ra1! Rd1 3... Kd7 4. Ka8! Rd1 5. Ra7!! e1=Q 6. b8=Q+ +- 4. Kc7! e1=Q 4... Rxa1 5. b8=Q+ Kf7 6. Qb3+ +- 5. b8=Q+ Ke7 5... Kf7 6. Qb3+ +-

6. Qd8+!! Rxd8 7. Rxe1+ Kf7 8. Kxd8 +-

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(3)
Yochanan Afek
A. Zinchuk- 80 MT
2018
Special Honourable Mention

White wins

1. Kg5 1. c5? Ng3+ 2. Kh4 Ne4 3. c6 Nd6 4. Kg5 Ke4 5. Kf6 Kd5 6. Nd3 Kxc6 = 1... Ke4 2. Kf6! Kd4 3. Kg7 Nf2! 3... Ng3 4. Ne2+! +- echo

4. c5!! Thematic try: 4. Nd3? Nxd3 5. Kxh7 Nc5!! 6. Kg6 Ne6 7. Kf6 Nf8 8. Kf7 Nh7 9. Kg7 Ng5 10. Kg6 Ne6 positional draw; 4. Kxh7? Ng4 5. Nd3 Nxh6 = (5... Kxc4? 6. Ne5+! Nxe5 7. Kg7 +-) 4... Kxc5 Obstructing the knight in advance. 5. Nd3+! echo 5... Nxd3 6. Kxh7 Nf4 6... Ne5 7. Kg7! +- (7. Kg8? Ng4! 8. h7 Nf6+ =) 7. Kg8! Kd6 8. h7 Ng6 9. Kg7 +-

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(4)
Yochanan Afek
H.Aloni MT
2017
1st Honourable Mention

Draw

1. Ne6 1. Nd5? Qc5+ 2. Nc7+ Qxc7+ 3. Kxc7 Ba5+ 4. Kc8 e1=Q -+ 1... Qb6 2. Na6!! bxa6 3. Nc7+ Qxc7+ 4. Kxc7 Ba5+ 5. Kc8

5... e1=R!! 5... e1=Q 6. d8=N!! Qxe8 stalemate & mutual Phoenix 6. d8=Q 6. d8=N? Rxe8 -+ No stalemate! 6... Rc1+ 7. Bc6+! Rxc6+ 8. Kd7+ Bxd8 9. Kxc6 = Positional draw! The king heads to b1 creating a fortress.

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(5)
Yochanan Afek
Olympic Ty
2018
2nd Honourable Mention

White wins

1. Rg7+! 1. e7? c2 2. e8=Q c1=Q 3. Rg7+ Rg6 4. Qxe3+ Qxe3+ 5. Kxe3 Kxf6 = 1... Rg6! 1... Kxf6 2. e7! c2 3. e8=Q +- 2. Kxc3! e2 3. Kd2 Kxf6

4. e7!! e1=Q+! 5. Kxe1 Rxg7 6. e8=N+! 6. e8=Q? Re7+ 7. Qxe7+ Kxe7 = 6... Ke5 6... Kf7 7. Nxg7 Kxg7 8. a4 +- 7. Nxg7 Kd4 8. Nf5+! Kc3 9. Ne3 Kb3 10. Nc2! +-

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(6)
Yochanan Afek
10th ARVES Jenever Ty
2017
2nd Prize

White wins

1. Kg2 Rf7 2. Kf1 Re7 3. c7! clearing the thematic square 3... Rxc7 4. e6 Rc6! 4... Re7 5. Nd5 Rxe6 6. Nc7+ +-

5. e7! Thematic try: 5. Nxc6? stalemate 5... Re6 6. Nc6! Umnov Theme 6. Nd5? Ka7/Re5 7. Kxf2 Re5 8. Kf3 Kxa6 9. Kf4 Rxe7! 10. Nxe7 Ka5/Kb5 11. Nd5 Ka4 = 6... Re1+ 7. Kxf2 Re3! 8. a7! +- 8. a4? Rf3+! 9. Kg2 Rg3+ 10. Kf2 Rf3+ 11. Ke2 Re3+ 12. Kd2 Rd3+ 13. Kc2 Rc3+ 14. Kb2 Rb3+ =

Watch this study on a dynamic board! Click here!