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No. 126 , July 1998 - SOLUTIONS

4124 - Mikhail Kozulya

1. g3 a5 2. Bh3 a4 3. Kf1 a3 4. Kg2 ab2 5. Kf3 Ra3 6. Kg4 Rb3 7. ab3 Nc6 8. Ra6 Nb8 9. Rd6 cd6 10. Nf3 Qb6 11. Re1 Qe3 12. de3 Kd8 13. Bd2 Kc7 14. Ba5 Kc6 15. Nd4 Kd5 16. Nc6 Ke6 17. Qd4 Na6 18. Nd2 Nb8

Double switchback of the black knight on b8.


4125 - Andrey Frolkin

Last moves were: -1. .. Rd2-d1 -2. f6-f7 h4-h3 -3. f5-f6 g5xNh4 -4. f4-f5 g6-g5 -5. f2-f4 f3xBg2 -6. Nf5-h4 f4-f3 -7. Nd4-f5 f5-f4 -8. Bd5-g2 f6-f5 -9. Ba2-d5 f7-f6 -10. Nb3xPd4 d5-d4 -11. Qa1-b1 d6-d5 -12. Kb1-c1 d7-d6 -13. Nc1-b3 Rd1-d2 -14. d2-d3 Rg1-d1 -15. Nd3-c1 Rg3-g1 etc. The last moves of this sequence aren't unique though (Rd2 Nb3 Rd1 Nc1 can be inserted), but the last 25 moves are.


4126 - Andrey Zolotarev


4127 - Nikita Plaksin and Andrey Zolotarev


4128 - Leonid Borodatov