[Event "Sachové Vestnik"] [Site "?"] [Date "1975.??.??"] [Round "?"] [White "Lazar, J."] [Black "(Study 23a)"] [Result "1/2-1/2"] [Annotator "13rd Prize"] [SetUp "1"] [FEN "4r2k/1P1r2Rp/3P1P1P/8/8/8/6p1/6Kb w - - 0 1"] [PlyCount "15"] [EventDate "1975.??.??"] [SourceDate "2004.06.13"] 1. Re7 Rdd8 2. d7 (2. f7 $2 Rxe7 $19) 2... Rg8 (2... Rf8 3. f7 Rb8 4. Re8 Rd8 5. Re7 Rb8 6. Re8 {positional draw}) 3. f7 Rgf8 4. Re8 Rb8 5. Rc8 Rd8 6. Rc7 Rf8 7. Rc8 Rd8 8. Rc7 {positional draw} 1/2-1/2