A very tricky puzzle Chess puzzle, Chess tactic, Puzzle Solving Lazar 1935, presented by Andreas White to move and draw.8/3P4/3b4/8/8/1p2k2p/1Pp4P/2K5 w – – 0 4 Chess Daily News from Susan Polgar
1.d8=R Bf4
2.Rd2 Bg5 (otherwise stealmate)
3.Rd5 =
because black loses the bishop (and loses) or repeat moves or accept the stealmate.
After 1.d8=R if Black tries 1…Bxh2 White has 2.Rd3+ for the draw.
“because black loses the bishop (and loses) or repeat moves or accept the stealmate”
No he has one more alternative but this one end in a draw, too.
3. Rd5, Kf4!? 4. Rd2, Bh6 5. Rd6, Kg5 6. Rd2 and so on