[Event "Boris Oleynik MT"] [Site "?"] [Date "2017.??.??"] [Round "?"] [White "Rusz, Árpád"] [Black "(Study 113)"] [Result "1-0"] [SetUp "1"] [FEN "8/8/8/5N2/2p5/k1P5/p4p1P/K7 w - - 0 1"] [PlyCount "23"] [EventDate "2017.??.??"] 1. Ng3 $1 ({1st thematic try:} 1. Ne3 $2 Kb3 2. h4 Kxc3 3. Nd1+ {Position X'} Kd2 $1 {Better than 3...Kd3? which leads to a check.} 4. Nxf2 {No check!} c3 $1 5. Ne4+ Ke3 $1 6. Nxc3 Kf4 $11) 1... Kb3 2. h4 Kxc3 3. Ne4+ {Position X} 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!} Ke2 (4... Ke3 5. Ng4+ Kd2 6. Nh2 $1 (6. Ne5 $2 c3 7. Nc4+ Kd3 8. Na3 Ke4 $11) 6... c3 7. Nf1+ $1 Ke2 (7... Kd3 8. Kxa2 c2 9. Kb2 $18) 8. Kxa2 c2 9. Kb2 Kd1 10. Ne3+ $18) 5. Nh1 $3 ({2nd thematic try:} 5. Ne4 $2 Kf3 6. h5 Kxe4 7. h6 c3 8. Kxa2 {Position Y'} Kd3 $1 {Black has to avoid moving to the e3 square!} 9. h7 c2 10. h8=Q c1=Q $11 ) 5... c3 (5... Kf3 6. h5 c3 7. Kxa2 $18) 6. Ng3+ Kf3 7. Kxa2 $1 Kxg3 (7... Kg4 8. h5 $18) 8. h5 Kf4 $1 {Réti manoeuvre} 9. h6 {Position Y} 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+ $1 {Boom!} 1-0