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Suomen Tehtäväniekat

Various Problems - SOLUTIONS

000 - Juha Saukkola
1. d4 Nf6 2. Bh6 gxh6 3. Nc3 Bg7 4. Nd5 O-O 5. Nxe7+ Kh8 6. Nc6 dxc6 7. e3 Qxd4 8. exd4 Na6

Black men form initials HH in diagram position.

274v - Unto Heinonen
1. b4 a5 2. b5 Na6 3. bxa6 b6 4. a7 Ba6 5. d4 Bd3 6. exd3 h5 7. Qf3 h4 8. Qb7 h3 9. d5 hxg2 10. h4 g6 11. Nh3 g1=N 12. Bg2 Ne2 13. Rg1 Nd4 14. Bh1 Nc6 15. Rg5 Nb8 16. Rh5 g5 17. axb8=N g4 18. Bg5 g3 19. Nd2 g2 20. Rb1 g1=N 21. Rb4 Ne2 22. Rf4 Nd4 23. Na6 Nc6 24. Nb4 Nb8

Two promoted bNs make a phoenix return to same square b8. But the 1st one is captured there, so that it is also a Frolkin promotion.

Unfortunately cooked (by Henrik Juel) 1. b4 h5 2. b5 h4 3. b6 h3 4. d4 hxg2 5. h4 a5 6. Nh3 Ra7 7. bxa7 g1=R 8. axb8=N Rg6 9. Rg1 Ra6 10. Rg5 Ra8 11. Rh5 g5 12. Bg2 g4 13. Bg5 b6 14. Nd2 Ba6 15. Bh1 Bd3 16. exd3 g3 17. Qf3 g2 18. Qb7 g1=N 19. d5 Ne2 20. Rb1 Nd4 21. Rb4 Nc6 22. Na6 Nb8 23. Rf4 Rh7 24. Nb4 Rh8

A corrected version appears in Thema Danicum 84.

543v - Unto Heinonen
1. b4 c5 2. b5 Nc6 3. bxc6 b6 4. c7 Bb7 5. c8=Q Bf3 6. gxf3 h5 7. Bh3 Rh6 8. Be6 Rg6 9. h3 Rxg1+ 10. Rxg1 Rb8 11. Rg4 Rb7 12. Ra4 Rc7 13. d4 Rc6 14. Bg5 Rd6 15. Kd2 Rd5 16. Ke3 Rf5 17. Nd2 Re5+ 18. Kf4 Rd5 19. Rb1 Rd6 20. Rb3 Rc6 21. Rba3 Rc7 22. Bb3 Rb7 23. c4 Rb8 24. Qc2 Ra8 25. Qxd7+

bRa8 performs a 15-move roundtrip to change the tempo.

699 - Per Olin
1. b4 a5 2. Bb2 axb4 3. Bxg7 Rxa2 4. Bxh8 Rxa1 5. Bxa1 b3 and
(a) 6. Nc3 bxc2 7. Qb1 c1=Q+ 8. Nd1 Qxb1
(b) 6. Na3 b2 7. Nc4 bxa1=R 8. Na5 Rxa5
(c) 6. e3 bxc2 7. Bd3 cxb1=B 8. Bg6 Bxg6
(d) 6. h4 bxc2 7. Rh3 cxd1=N 8. Re3 Nxe3

All four promotions !!

935 - Per Olin
1. h4 f5 2. h5 Kf7 3. h6 Ke6 4. hxg7 Nh6 5. g8=R Kd5 6. Rg6 Bg7 7. Rb6 cxb6 8. g4 Qc7 9. g5 Rd8 10. g6 Bh8 11. g7 Ng4 12. g8=R h5 13. Rg6 h4 14. Rc6 dxc6 15. f3 Bd7 16. fxg4 Be8 17. g5 Nd7 18. g6 Rac8 19. g7 Qb8 20. g8=R Qa8 21. Rg6 Rb8 22. Rd6+ exd6

Frolkin-promotion to wR on g8.

1180 - Unto Heinonen
1. e4 g6 2. Ba6 Bg7 3. c4 Bc3 4. Qa4 f6 5. Kd1 Kf7 6. d3 d6 7. Be3 Bh3 8. Bb6 e6 9. Qd7+ Qe7 10. a4 c6 11. Bd8 b6 12. Bc8 a6 13. Qa7 h6

All black pawns make a single move.

1351 - Olli Heimo
1. e4 Nf6 2. e5 Ne4 3. Qf3 Ng5 4. Qc6 bxc6 5. Nc3 Ba6 6. Bxa6 Qc8 7. Ke2 Qb7 8. Kd3 Qb6 9. Kc4 Qe3 10. d3 Qh3 11. Bf4 Qh6 12. Re1 Qd6 13. Re3 Qa3 14. Nge2 Qa5 15. Rd1 Qb6 16. Rd2 Qb7 17. Nd1 Qc8 18. c3 Qd8

Incredible tempo-losing trek of the bl. Queen !!