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Probleemblad

March 2002

R164 - Joost de Heer

Probleemblad 2, 2002

1. a4 b5 2. axb5 h5 3. Ra6 Rh6 4. Rxh6 e6 5. Nc3 Ba3 6. b4 Bb2 7. Bxb2 c6 8. Qa1 Qa5 9. Qxa5 Nf6 10. Ba3 Ne4 11. Nxe4

All captures are done by the same type of piece as the capturee.


R165 - Satoshi Hashimoto

Probleemblad 2, 2002

1. c4 Nf6 2. Qa4 Rg8 3. Qxa7 Na6 4. Qxb7 Ra7 5. Qxc7 Bb7 6. Qg3 Qa8 7. Qxg7 Kd8 8. Qxf7 Kc7 9. Qxe7 Kb6 10. Qxd7 Bc5 11. Qxh7 Nd7 12. Qc2 Ndb8 13. Qd1

All black pawns are captured on their starting square by the white queen, who performs a rundlauf


R166 - Mario Parrinello

Probleemblad 2, 2002

1. b4 a6 2. b5 axb5 3. h4 Ra3 4. Rh3 Rxh3 5. a4 d5 6. Ra3 d4 7. Rxh3 d3 8. exd3 c6 9. Be2 Qd5 10. Bg4 Bxg4 11. Ba3 e6 12. Qc1 Be7 13. Qb2 Kf8 14. Bxe7+ Each side performs PxP, RxR and BxB.


R167 - Gianni Donati

Probleemblad 2, 2002

1. Nf3 Nc6 2. Ne5 Nd4 3. Nxd7 Kxd7 4. a4 Ke6 5. a5 Kf5 6. a6 Kg4 7. axb7 Bf5 8. Rxa7 e6 9. Ra1 Rxa1 10. Nc3 Rxc1 11. h4 Ra1 12. h5 Ra4 13. h6 Rc4 14. hxg7 Bb4 15. Rh6 Qe7 16. Rg6+ hxg6 17. Qa1 Rh1 18. Kd1 Nh6 19. Kc1 Rxf1+ 20. Nd1 Rh1 21. Qa8 Rh3 22. Qh8 Rb3 23. Nc3 Bd3 24. Nb1 Nhf5 25. Qh1 c5 26. Qd1

Queen rundlauf over all corners.


R168 - Alexander Zolotarev

Probleemblad 2, 2002

Three queen moves are necessary (Qd1-d3, Qd8-e7, Qa1-a3). Retro play: -1... c7xRd6 -2. Na7-b5 e6xNd5 -3. Nf6-d5 d2xBc1=Q -4. Ng8-f6 e3xBd2 -5. g7-g8=N h7-h6 -6. h6xNg7. Further retractions: f2-f8=B-c1; f5-f8=B-d2; g4xBf5; (Ba6-f5); (N~-f5); Rd5-d6 (Nd6-f5); b5-b8=R-d5; (f4xRe3); b6-b8=R-e3; (Bc8-a6); (b7xc6); (Qd8-e7); (e7-e6) and the position is released.

CF promotions to RRBBN.


R157c - Paul Raican

Probleemblad 2, 2002

Intention: Ka7, Ke7, Kc4, Ke4, Kg4, Qg8, Bf8, Bh5 - Ka5, Kc6, Kh7, Kh8, Pa4, Pc7. Retro-play f7xBg8=Q Kh6-h7 Rg7-h7 Kh7-h6 and white has no last move.

COOK: Ka7 Kc4 Ke5 Kg4 Kg6 Qe8 Bd8 Bh7 - Kc6 Kc8 Kd7 Kf8 Pc7 Pg7.