[Event "Iriarte MT"] [Site "?"] [Date "2019.??.??"] [Round "?"] [White "Árpád Rusz & Pavel Arestov"] [Black "(Study 180)"] [Result "1-0"] [Annotator "section B1 - 1st/2nd Prize"] [SetUp "1"] [FEN "6R1/3p2Pr/8/p7/K7/3P4/3k4/8 w - - 0 1"] [PlyCount "31"] [GameId "2083895666483184"] {[%mdl 8][%evp 0,31,112,116,112,108,104,104,100,108,100,100,100,96,96,108,258,196,194,184,184,295,215,507,507,527,537,537,547,547,547,547,547,547]} 1. d4 $1 {The start of the first systematic movement. (The "elevator" goes up.)} (1. Kxa5 $2 Kxd3 $11 {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 $2 Kxd4 3. Kb6 Rh6+ $11) 2... Kd4 (2... Rh4+ 3. Kxa5 Rg4 4. Kb6 (4. d6 $2 Rg6 5. Kb5 Kd4 $11) 4... Kd4 5. d6 Kd5 6. Kc7 Ke6 7. Re8+ $18) 3. d6 (3. Kxa5 $2 Kxd5 4. Kb5 Kd4 $1 5. Kb4 Kd5 6. Kb5 Kd4 $11) 3... Kd5 4. Kxa5 Kxd6 5. Kb6 $1 {Now the white king can hide from horizontal checks.} Kd5 6. Kc7 d6 {The start of the second systematic movement. (The "elevator" goes down.)} (6... Ke6 7. Re8+ $18) 7. Kb6 $1 (7. Kd7 $2 Ke5 8. Re8+ Kf6 $11 {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 $2 Rh5+ 9. Kc6 Rg5 10. Kxd6 Rg6+ 11. Ke7 Ke5 12. Kf7 Rf6+ $11) 8... d5 9. Kb5 $1 Kd3 10. Kc5 d4 11. Kb4 $1 Kd2 12. Kc4 d3 13. Kb3 $1 Kd1 14. Kc3 (14. Kb2 $2 d2 $1 $11 {mutual zugzwang} (14... Rh2+ $2 15. Kc3 d2 16. Rd8 Rg2 17. Rxd2+ $1 $18)) 14... d2 15. Kb2 $1 {mutual zugzwang} Rh5 (15... Ke2 16. Re8+ $18) 16. Rb8 $1 (16. Rd8 $2 Rb5+ $11) 1-0