[Event "5th FIDE World Cup"] [Site "?"] [Date "2016.??.??"] [Round "?"] [White "Rusz, Árpád"] [Black "(Study 112)"] [Result "1/2-1/2"] [Annotator "2nd Commendation"] [SetUp "1"] [FEN "3K4/n4p2/8/4P3/3k4/Nq6/pP6/Q7 w - - 0 1"] [PlyCount "21"] [EventDate "2016.??.??"] {In the initial position there is a pawn battery but unfortunately it is blocked by the black queen. Therefore, the white queen leaves the a1 square but not without saying: "I'll be back!"} 1. Qg1+ Ke4 $1 {Black is trying to avoid the capture of the white pawn.} 2. Qg4+ $1 Kd5 (2... Kxe5 3. Nc4+ $11) 3. Qd7+ Kxe5 (3... Ke4 4. Qg4+ {perpetual check}) 4. Qxa7 $1 {Only now is possible to take that knight, after the black king has moved to e5.} a1=Q (4... Qd1+ 5. Ke8 $1 $11) 5. Nc4+ $1 {White fires the knight battery. This check was the reason why black tried to avoid capturing the e5-pawn.} Qxc4 6. Qxa1 {The queen returns to a1 and rebuilds the pawn battery which, unlike in the initial position, is not blocked anymore.} f5 $1 {Black is not afraid of the white battery!} 7. b4+ $3 ({Thematic try:} 7. b3+ $2 Qd4+ $1 8. Qxd4+ Kxd4 $19) 7... Qd4+ 8. Qxd4+ Kxd4 9. Kc7 $1 {White is starting a Réti manoeuvre to catch the black pawn!} (9. b5 $2 Kc5 10. Kc7 Kxb5 11. Kd6 f4 $19) (9. Kd7 $2 f4 10. b5 Kc5 $19) 9... Kc4 (9... f4 10. b5 f3 11. b6 f2 12. b7 f1=Q 13. b8=Q $11) 10. Kc6 $1 Kxb4 (10... f4 11. b5 $11) 11. Kd5 {Done!} 1/2-1/2