atahualpa yupanqui: according to chessmaster 11th if Capablanca haved played 47:Rd7 the game was a draw analysis after 46:Qb6 (analysis of the game was 5 minue per move my cpu is not very strong sorry for the low ply)
46:Qb6 Score: 0.00 47.Rd7 Qxf2+ 48.Kh1 Qa2 49.Rd8+ Rxd8 50.Qxd8+ Kh7 51.Qf8 Qb1+ 52.Kh2 Qc2+ 53.Kg1 Qd1+ 54.Kh2 Qd2+ 55.Kh3 Qd7+ 56.Kh2 Qd2+ (Time = 2:08, Depth = 4/15)
after 47:Qd7? the score passed from 0,00 to -1,37
Score: -1.37 47...Rc7 48.Qe8+ Kh7 49.Rd8 Qxf2+ 50.Kh3 Qf1+ 51.Kh2 Qxf6 52.Qg8+ Kh6 53.Qf8+ Qg7 54.Qd6 f5 55.Re8 Kh7 56.Qd8 Rd7 57.Qa8 Rd2+ 58.Kh3 Kh6 (Time = 3:39, Depth = 3/14
still there seem Like Alekhine rarely found the best reply to Capa's mistake
Capa's greatest mistake a part from moving into a forcd mate was indeed
60:a5?? passed from -0,51 t0 -8,61
Uh-oh! Leads to 60...Qf1 61.Re4 Qf2+ 62.Kh3 Qf5+ 63.Kh2 Rc8 64.Qd4 c2 65.g4 hxg4 66.Re1 c1=Q 67.Rxc1 Rxc1 68.Qe3 Ra1 69.Kg3 Rxa5. Much better is Rc2, leading to 60...Ra8 61.Kg2 Qg7 62.Kf3 Ra7 63.Qxc3 Rxa4 64.Qxg7+ Kxg7 65.Rc6 Ra2 66.Ke4 Rg2 67.Kf3 Rd2 68.Rc7,
but Alekhine according to chessmaster did not find the best reply
60:Rd8? (passed from -8,61 to -2,87)
Danger! Leads to 61.Kg2 Qf5 62.Qxc3 Rd3 63.Qc2 Qf3+ 64.Kg1 Qxg3+ 65.Kf1 Ra3 66.Qb2 Rxa5 67.Rf2 Rf5 68.Rxf5 Qh3+ 69.Ke2 gxf5. Much better is Qf1, leading to 61.Re4 Qf2+ 62.Kh3 Qf5+ 63.Kh2 Rc8 64.Qd4 c2 65.g4 hxg4 66.Re1 c1=Q 67.Rxc1 Rxc1 68.Qe3 Ra1 69.Kg3 Rxa5, which gains a rook. Black's only meaningful error of the game gave away a won position, but white ended up resigning anyway.
61:a6?? passed from -2,87 to -5,72
Leads to 61...Qf1 62.a7 Rd2 63.Rxd2 Qxc4 64.Rc2 Qa6 65.Rxc3 Qa2+ 66.Kh1 Qxa7 67.Rc2 Kg7 68.Kg2 Qd7 69.Rf2 f6, which wins a rook and a pawn for a queen and a pawn. Better is Kg2, leading to 61...Qf5 62.Qxc3 Rd3 63.Qc2 Qf3+ 64.Kg1 Qxg3+ 65.Kf1 Ra3 66.Qb2 Rxa5 67.Rf2 Rf5 68.Rxf5 Qh3+ 69.Ke2 gxf5,
Capablanca continue to make heavy blunder
62:Qe4? passed from -5,74 to -10,40
Score: -10.40 62...Rd2 63.Rg2 Qxa6 64.Qf3 Qc4 65.Rxd2 cxd2 66.Qd1 Qc1 67.Qf3 Kg7 68.g4 hxg4 69.Qxg4 d1=Q 70.Qxd1 Qxd1 71.Kg3 (Time = 4:54, Depth = 4/15)
Uh-oh! Leads to 62...Rd2 63.Rg2 Qxa6 64.Qf3 Qc4 65.Rxd2 cxd2 66.Qd1 Qc1 67.Qf3 Kg7 68.g4 hxg4 69.Qxg4 d1=Q 70.Qxd1 Qxd1 71.Kg3. Much better is a7, leading to 62...Rd2 63.Rxd2 Qxc4 64.Rc2 Qa6 65.Rxc3 Qa2+ 66.Kh1 Qxa7 67.Rc2 Qb7+ 68.Kh2 Kg7 69.Rf2 Qd5 70.Re2 Qf3,
65:a8=Q
MATE IN 3. 65...Qg1+ 66.Kh3 Qdf1+ 67.Qg2 Qh1# (Time = 0:00, Depth = 1/2)