[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "4q3/4P3/3P1P2/4K3/8/2P1k1P1/1P5P/8 w - - 0 1"] [PlyCount "19"] [SourceVersionDate "2019.03.01"] {[%evp 0,19,403,403,403,403,395,375,375,375,361,375,375,375,483,458,1518,1726,1583,1664,1672,1694] [#]} 1. Ke6 Qg6 (1... Qc6 2. f7 Qc8+ 3. Kf6 (3. d7 $2 {the method that works in response to 1...Qg6 does not work on this side of the board} Qc6+ 4. Ke5 Qc5+ 5. Kf6 Qd6+ 6. Kg7 Qe5+ 7. Kg8 Qg5+ 8. Kf8 Qh6+ 9. Ke8 Qh8+ 10. f8=N Qh5+ 11. Kd8 Qa5+ $11 {this being the difference - the equivalent check is not available in the 1...Qg6 line.}) 3... Qh8+ 4. Kg6 $18 {but this works here as Black does not have Qi8+}) 2. d7 Qg8+ 3. f7 (3. Kd6 $2 {Trying the method that works against 1...Qc6 but it fails here} Qb8+ 4. Kc6 Qa8+ {this is the difference - the equivalent check is not available in the 1...Qc6 line} 5. Kb6 Qb8+ $11) 3... Qg6+ 4. Ke5 Qg5+ (4... Qg7+ 5. Kd6 Qf6+) 5. Kd6 Qf6+ 6. Kc7 Qe5+ (6... Qxe7 7. f8=Q Qxf8 8. d8=Q $18) 7. Kc8 (7. Kd8 $4 Qb8#) 7... Qc5+ (7... Qxe7 8. d8=Q $18) 8. Kd8 Qa5+ 9. Ke8 Qa8+ 10. d8=N $1 $18 (10. d8=Q $2 Qc6+ 11. Kf8 Qh6+ 12. Kg8 Qg6+ {with a perpetual}) *