Iriarte MT
2019
- section B1 -
1st/2nd Prize
White wins
1. d4! The start of the first systematic movement. (The "elevator" goes up.) 1. Kxa5? Kxd3 = The black rook will get behind the white pawn on the g-file because the white king cannot find shelter from horizontal checks. 1... Kd3 2. d5 2. Kxa5? Kxd4 3. Kb6 Rh6+ = 2... Kd4 2... Rh4+ 3. Kxa5 Rg4 4. Kb6 (4. d6? Rg6 5. Kb5 Kd4 =) 4... Kd4 5. d6 Kd5 6. Kc7 Ke6 7. Re8+ +- 3. d6 3. Kxa5? Kxd5 4. Kb5 Kd4! 5. Kb4 Kd5 6. Kb5 Kd4 = 3... Kd5 4. Kxa5 Kxd6 5. Kb6! Now the white king can hide from horizontal checks. 5... Kd5 6. Kc7
6... d6 The start of the second systematic movement. (The "elevator" goes down.) 6... Ke6 7. Re8+ +- 7. Kb6! 7. Kd7? Ke5 8. Re8+ Kf6 = The white pawn is pinned. 7... Kd4 The black king should always stay in the shadow of the d-pawn avoiding vertical checks. 8. Kc6 8. Kb5? Rh5+ 9. Kc6 Rg5 10. Kxd6 Rg6+ 11. Ke7 Ke5 12. Kf7 Rf6+ = 8... d5 9. Kb5! Kd3 10. Kc5 d4 11. Kb4! Kd2 12. Kc4 d3 13. Kb3! Kd1 14. Kc3 14. Kb2? d2! = mutual zugzwang (14... Rh2+? 15. Kc3 d2 16. Rd8 Rg2 17. Rxd2+! +-) 14... d2 15. Kb2! mutual zugzwang 15... Rh5 15... Ke2 16. Re8+ +- 16. Rb8! +- 16. Rd8? Rb5+ =
The first version of this study was a miniature: Study 173
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