Pieces in all corners 1

S. Didukh
Olympic ty Sochy
2014
6th Prize

Draw

1. Qe4 Nf2 2. Qh4! 2. Qxa8+? Bg8 3. g6 h1=Q+ 4. Qxh1 Nxh1 -+; 2. Qb7? Bf7+! -+ (2... Bg8? 3. Kg6 Bh7+ 4. Kf7 +-) 3. g6 Be8/Bg8 4. Qxa8 h1=Q+ 5. Qxh1 Nxh1 -+ 2... h1=Q 3. Qxh1 Bf7+! 3... Bd1+ 4. Qxd1 = 4. g6 Bxg6+ 5. Kg5+!! 6th WCCT Theme Thematic try: 5. Kxg6+? Nxh1 -+ mutual zugzwang 5... Nxh1 6. Kxg6 This position is a mutual zugzwang with pieces on all four corner squares!

6... Nc7 6... Ng3 7. Nc2! (7. Nb3? Ne2! 8. Nc5 Nc7 -+) 7... Nc7 8. Nd4 see the main line 7. Nb3! 7. Nc2? Nb5! 8. Ne3 Ng3 9. Nd5 Ne2! 10. Kg5 Nd6 11. Nf6! Nf4! 12. Kxf4 gxf6 -+ 7... Ng3 7... Ne6 8. Kf5 = 8. Nd4 Kg8 9. Ne6! Nxe6 stalemate

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Study 101

Á. Rusz
RCS blog
2016
- after S. Chimedtzeren -

White wins

All four corners of the board are empty in the starting position. 1. Rb7+ Ka8 The first move to a corner square. 2. Be4! (Thematic try: 2. Bh1?? Qc2+ -+) 2... Qe3! (2... Qd4+ 3. Rb4+ +-) 3. Bh1! The second move to a corner square. 3... Qe8+ Roman Theme. The black queen cannot reach the c2 square anymore so it has to find another square to give a check.4. Ka3 Qf8+ 5. Ka2 Qg8+ 6. Ka1! The third move to a corner square. 6... Qh8+ The fourth move to a corner square. Now all four corners are full!

7. Kb1 h2 8. Rh7+ Kb8 9. Rxh8+ +- The last move to a corner square. During the main line, four pieces have moved to a corner square!

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Related studies: Study 101a