1.Rh2!
1.Rg4+? Kd3 2.Bxa5 f2=
1...Sc4 2.Bb4!!
2.Bc3? Se3=; 2.Be1? Se5!= (2...Kd3? 3.Bb4=)
2...Se3
2...Kf4 3.Rh4+ (3.Bc5? Kg3=; 3.Rc2? Se3=)3...Kg3 4.Be1++-;
2...Se5 3.Bc5 (3.Rh4+? Kf5=) 3...Sg4 4.Rxb2 Kf4 5.Kc1!!+-
3.Bc5!
3.Rxb2? Sd1 4.Rd2 f2=; 3.Rd2? Sc4 (g4) =
3...Sd1!
3...Sg4 4.Rxb2+-; 3...Kf4 4.Rxb2 Sd1 5.Rc2!!+-
4.Ba7!!
4.Bb6? Sc3+ 5.Kxb2 Sa4+=;
4.Rh4+? Kd3 5.Rd4+ Ke2=;
4.Rh1? Sc3+ 5.Kxb2 Sa4+=
4...Kf4 5.Rh1!
5.Rh4+? Kg3 6.Rh1 Sc3+! 7.Kxb2 Se4 (7...Se2? 8.Kc2! Kg2 9.Re1 f2 10.Rxe2+-) ;
5.Bd4? Kg3 6.Rd2 (6.Rh1 Sc3+=) 6...Sc3+ 7.Bxc3 f2 8.Be5+ Kf3=;
5.Rd2? Sc3+ 6.Kxb2 Se4 7.Rc2 Kg3 8.Kc1 f2=
5...Se3
5...Sc3+ 6.Kxb2 Se4 7.Rh4++-
6.Re1!
6.Bb8+? Ke4 (6...Kg4? 7.Rg1+ Sg2 8.Ba7+-) 7.Ba7(7.Rh4+ Kd3 8.Rh2 Sg4 9.Rxb2 f2=) 7...f2=
6...Sg4
6...Sc4 7.Kc2!+- (7.Bd4? Sd2+ 8.Kxb2 Se4=)
7.Bb8+ Kf5 8.Rf1!
8.Bg3? Sf6! 9.Re3 Kg4 10.Bf2 Kf4 (10...Sd5? 11.Rb3! Sf6 12.Rb4+!+- (12.Rxb2? Se4 13.Bd4 Kg3=) ) 11.Re7 (11.Rb3 Se4 12.Be3+ Kg3=) 11...Se4 (11...Sg4? 12.Rf7++-) 12.Rf7+ Kg4 13.Be1 Sc5!! 14.Kxb2 Sd3+=;
8.Kxb2? f2 9.Rf1 Ke4=;
8.Ba7? Kf4=
8...Ke4 9.Ba7! Se3 10.Rf2
10.Re1? f2 11.Rxe3+ Kf4=
10...Sc4
10...Kf4 11.Rxb2+-; 10...Sd1 11.Rd2+-
11.Rh2! Switchback
11.Bc5? Kd5 12.Ba7 Ke4 13.Rh2 loss of time
11...Kf4 12.Rh4+ wins.
12.Bb8+? Kg4 (12...Ke4? 13.Bg3 Kd3 (13...Ke3 14.Bf2++- (14.Be1? Se5 15.Bf2+ Kf4 16.Rh4+ (16.Rh8 Sd3 17.Rf8+ Kg4 18.Ba7 Kg3=) 16...Sg4=) ) 14.Be1! (14.Bh4? Kc3 15.Bf6+ Kd3 16.Bh4 Kc3 17.Rc2+ Kd3 18.Rh2 Kc3 positional draw) 14...Ke4 15.Bf2! (15.Bc3? Se3=) 15...Se3 16.Rh4+ Kd3 17.Bg1! Sd1 (17...Ke2 18.Rh2++-) 18.Rh2 Ke4 19.Rd2+-) 13.Bc7 (13.Kc2 Se3+=) 13...Se3 14.Rxb2 Sd1! 15.Rb4+ Kh3 16.Rb3 Kg2=; 12.Rh8? Kg3=;
12.Bf2? Se5! 13.Rh8(13.Rh4+ Sg4=) 13...Sd3 14.Rf8+ Kg4 15.Rg8+ Kf4 16.Rf8+ Kg4 positional draw Author
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