[Event "Frunze"] [Site "?"] [Date "1979.??.??"] [Round "?"] [White "Ivanov, Alexander"] [Black "Vitolinsh, Alvis"] [Result "*"] [Annotator "Hoetmer,Michel"] [SetUp "1"] [FEN "8/5P2/4K1kP/4R3/8/8/8/5r2 w - - 0 1"] [PlyCount "17"] [EventDate "2021.06.14"] [SourceVersionDate "2021.06.14"] {[#]} 1. Rg5+ $3 Kxh6 (1... Kxg5 2. h7 Re1+ (2... Rf6+ 3. Ke7 Rh6 4. f8=Q $18) 3. Kd6 Rd1+ 4. Ke7 Re1+ 5. Kf8 Rh1 6. Kg8 $18) 2. Rg1 $1 (2. Rg8 {wint uiteraard ook. Maar duurt wat langer.} Re1+ 3. Kd5 Rd1+ 4. Kc4 Rc1+ 5. Kd3 Rd1+ 6. Kc2 $18) (2. Rf5 $4 Rxf5 3. Kxf5 Kg7 4. Ke6 Kf8 5. Kf6 $11) 2... Rf2 3. Ke7 Re2+ 4. Kf8 Kh7 5. Rh1+ Kg6 6. Kg8 Rf2 7. Rg1+ {wel zo nauwkeurig} Kh5 8. f8=Q Rxf8+ 9. Kxf8 *