Asymmetry 6

M. Minski
Schach
2007

Draw

1. Rb3+! 1. O-O? Rbg5+! 2. Bg4 Rxg4#; 1. Rh3+? Rxh3 2. Bxh3 (2. Rxb5 Rh1#) 2... Rxb1# 1... Rxb3 2. O-O! 2. Bxb3? Rxh1#; 2. Rxh5? Rb1# 2... Rbb5 2... Rg5+ 3. Kh2 Rb6 4. Rf5! Rxf5 5. Bxf5 Kf3 6. Bc8! Rh6+ 7. Kg1 Rg6+ 8. Kf1! Rc6 9. Bb7 = 3. Re1+ Kf3 4. Rf1+ Kg3 5. Ra1! 5. Rc1? Rhc5 6. Rd1 Rc3 -+; 5. Rd1? Rbg5! 6. Rd3+ Kf4+ 7. Kf2 Rh2+ 8. Kf1 Ra5! 9. Rd1 (9. Bb3 Ra3 -+) 9... Rh1+ 10. Ke2 Re5+ -+ 5... Ra5 6. Rb1! Rhb5 6... Rab5 7. Ra1 Ra5 8. Rb1 positional draw 7. Rd1! Rb2 7... Ra3 8. Bc4! = 8. Rd3+ Kf4 9. Rd1 Rg5+ 10. Kh1! 10. Kf1? Ke3 11. Re1+ Kf3 -+ 10... Rh5+ 11. Kg1 Rbh2 12. Bd5 = 12. Bb3? Rh1+ 13. Kg2 R5h2#

Study 105

Á. Rusz & P. Gyarmati
Die Schwalbe
2016

White wins

1. O-O-O! 1. Kd2? Be4 = 1... Be4 2. Re1! 2. Kb2? a3+ 3. Ka1 Kc4! mutual zugzwang (3... Kc3? 4. Rh1! Bxh1 5. h7 Be4 6. h8=Q+ +-) 4. Ka2 Kc3! 5. Kxa3 Kc2 6. Rf1 Kd3! (6... Kd2? 7. Rf2+ +-) 7. Re1 Kd2! = 2... Kc5! 2... Kb3 3. Re3+ +- 3. Kb2 Kb5 3... Kd4 4. Rh1! R sacrifice 4... Bxh1 5. h7 Be4 6. h8=Q+ +- 4. Rc1 Kb4 4... Kb6 5. Ka3 Kb5 6. Ra1/Rf1 Kc4 7. Rd1 Kc5 8. Re1 Kb5 9. Rc1 Ka5 10. Rc5+ Kb6 11. Rh5 +-

cyclic zugzwang - WTM

5. Ka2 Bd5+ 6. Ka1! This is the first king move to a corner square. 6... Be4 7. Kb2 Using a king triangulation, white managed to transfer the move to black.

cyclic zugzwang - BTM

7... a3+ 8. Ka1! With the second king move to a1, white is reaching a mutual zugzwang position. 8. Ka2? Bd5+ 9. Ka1 Be4 positional draw 8... Kb5 8... Kb3 9. Re1 Kc2 10. Re2+ +- 9. Ka2 Kb4 10. Re1 Bd5+ 11. Ka1! +- The third king move to a1! During the 11-moves-long play, white managed to interchange its king and rook on the a1 and e1 squares, while black looks like it has played only one move (a4-a3)!

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