Saturday, 6 May 2017

Study 113

Árpád Rusz
Boris Oleynik MT
2017

White wins

1. Ng3! 1st thematic try: 1. Ne3? Kb3 2. h4 Kxc3 3. Nd1+ Position X' 3... Kd2! Better than 3...Kd3? which leads to a check. 4. Nxf2 No check! 4... c3! 5. Ne4+ Ke3! 6. Nxc3 Kf4 = 1... Kb3 2. h4 Kxc3 3. Ne4+ Position X 3... Kd3 Unlike in the 1st thematic try, the black king had no access to the d2 square so moving to d3 is the only option. 4. Nxf2+ Check! 4... Ke2 4... Ke3 5. Ng4+ Kd2 6. Nh2! (6. Ne5? c3 7. Nc4+ Kd3 8. Na3 Ke4 =) 6... c3 7. Nf1+! Ke2 (7... Kd3 8. Kxa2 c2 9. Kb2 +-) 8. Kxa2 c2 9. Kb2 Kd1 10. Ne3+ +-

5. Nh1!! 2nd thematic try: 5. Ne4? Kf3 6. h5 Kxe4 7. h6 c3 8. Kxa2 Position Y' 8... Kd3! Black has to avoid moving to the e3 square! 9. h7 c2 10. h8=Q c1=Q = 5... c3 5... Kf3 6. h5 c3 7. Kxa2 +- 6. Ng3+ Kf3 7. Kxa2! Kxg3 7... Kg4 8. h5 +- 8. h5

8... Kf4! Réti manoeuvre 9. h6 Position Y 9... Ke3 Unlike in the 2nd thematic try, the black king had no access to d3, therefore it could not avoid moving to the mined square e3... 10. h7 c2 11. h8=Q c1=Q 12. Qh6+! +- Boom!

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Related study: Study 113a

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