Lyudmil Tsvetkov wrote:
a4 is a good find.
I did not see it, not my SF was so kind to point to it.
after a forced line a4 ba4 ba4 Bd5 Qe8 Ba8 Ra8:
[d]r3q2k/5p1p/5P2/2p1B2Q/pb6/6P1/5P1P/3R2K1 w - - 0 6
we get here, which is most certainly a draw
so, probably, unless Andrew finds some improvement for white, the position is a draw, unless Bf4 is stronger and wins, which I don't very much believe.
probably, big white advantage, but still a draw, black just holding.
in the actual game, featuring 2400 elo players(was it correspondence?), black lost in some 6 moves or so...
seemingly, our forum is much better than those correspondence players.
I think I did did find an improvement (with my computer's assistance of course) in your 25...a4 26.ba4 ba4 27.Bd5 Qe8 28.Ba8 Ra8 line for white, on move 28, how about trying 28. Kg2! instead of 28. Bxa8.
28.Kg2! prevents the black rook on d8 from capturing the white rook on d1 with check and therefore threatens the very nasty 29.Bxf7!
position after 28.Kg2!
[d]r2rq2k/5p1p/5P2/2pBB2Q/pb6/6P1/5PKP/3R4 b - - 0 28
In this postion here is what Stockfish says on my computer so far (again eval is steadily climbing slowly):
New game
r2rq2k/5p1p/5P2/2pBB2Q/pb6/6P1/5PKP/3R4 b - - 0 1
Analysis by Stockfish 190817 64 BMI2:
28...Rab8 29.Bxf7 Qc6+ 30.Bd5 Rxd5 31.Qf3 Rf8 32.Rxd5
+- (3.25) Depth: 7/8 00:00:00 15kN
28...c4 29.Bxf7 Qc6+ 30.Bd5 Rxd5 31.Qf3 h6 32.Rxd5 Rf8
+- (3.25) Depth: 8/9 00:00:00 26kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Ra7 Qg6
+/= (0.62) Depth: 9/14 00:00:00 61kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Qe2 Bf8 35.Rc7 Qg6 36.Qc4
+/- (1.42) Depth: 10/15 00:00:00 77kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5
+- (2.42) Depth: 11/34 00:00:00 341kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3
+- (2.52) Depth: 12/34 00:00:00 428kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Ra7 Kg8 38.Ra4 Qxf3+ 39.Kxf3 Rd5 40.g4 h5 41.Ke4
+- (2.41) Depth: 13/34 00:00:00 533kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Ra7 Kg8 38.Ra4 Qxf3+ 39.Kxf3 Rd5 40.Rg4+ Kf8 41.h4
+- (2.40) Depth: 14/34 00:00:00 629kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.g4 Kh7 41.h4 Ra5 42.Rf5 Ra3 43.h5
+- (2.55) Depth: 15/34 00:00:00 754kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.g4 Kh7 41.h4 Ra5 42.Rf5 Ra3 43.h5 Ra2 44.Rc5
+- (2.55) Depth: 16/34 00:00:00 876kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.g4 Kh7 41.h4 Ra5 42.Rf5 Ra3 43.Kh2 Kg8 44.h5 Ra4 45.f4 Ra2+ 46.Kg1
+- (2.76) Depth: 17/42 00:00:00 1091kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Ra4 Qxf3+ 38.Kxf3 Rd6 39.Rf4 Kh7 40.Rf5 Rd3+ 41.Kg4 Kg6 42.h4 Rd4+ 43.f4
+- (2.34) Depth: 18/42 00:00:00 1551kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kh7 41.Rf5 Ra4 42.Kh3 Ra3 43.Kg4 Rc3 44.Kh5 Ra3 45.g4 Rh3 46.f3 Rg3 47.g5 hxg5 48.hxg5
+- (3.07) Depth: 19/42 00:00:00 1841kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Rb3 43.Kg4 Rb4+ 44.Kh5 Kh7 45.g4 Rb2 46.Rf4 Rd2
+- (3.17) Depth: 20/46 00:00:00 3027kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Rb3 43.Kg4 Rb4+ 44.Kh5 Kh7 45.g4 Rb2 46.Rf4 Rd2 47.g5
+- (3.17) Depth: 21/46 00:00:00 3148kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Rb3 43.Kg4 Rb4+ 44.Kh5 Kh7 45.g4 Rb2 46.Rf4 Rd2 47.g5 hxg5 48.hxg5 Kg8 49.f3
+- (3.17) Depth: 22/46 00:00:00 3240kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Ra4 Qxf3+ 38.Kxf3 Rd6 39.g4 Rxf6+ 40.Rf4 Ra6 41.Rxf7 Ra3+ 42.Kg2 h5 43.g5 Kg8 44.Rf4
+- (2.42) Depth: 23/46 00:00:00 4919kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Ra6 43.Kg4 Kh8 44.f3 Kh7 45.Kh3 Ra1
+- (3.00) Depth: 24/46 00:00:00 5328kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Rb3 43.Kg4 Rb2 44.Kh5 Kh7 45.g4 Rc2 46.Rf4 Re2 47.g5 hxg5 48.hxg5 Kg8 49.Kh6 Re1 50.Rh4
+- (3.07) Depth: 25/56 00:00:00 5971kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rd6 40.Rf4 Ra6 41.Rf5 Ra4 42.h4 Rb4 43.Kh3 Rb3 44.Kg4 Kh7 45.Kh5 Rb2 46.Kg4 Rb7
+- (2.85) Depth: 26/56 00:00:00 8015kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.g4 Kh7 41.h4 Ra5 42.Rf5 Ra3 43.Kh2 Kg8 44.f3 Kh7 45.h5 Kg8 46.f4 Ra2+ 47.Kg1 Ra3 48.Kf1 Ra2 49.g5 hxg5 50.fxg5 Rh2 51.g6 Rh4 52.Ke2
+- (3.25) Depth: 27/56 00:00:00 11416kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra3 42.Kh3 Rb3 43.Kg4 Kh7 44.Kh5 Rb4 45.g4 Rb2
+- (2.69) Depth: 28/56 00:00:00 13751kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.Rf5 Ra4 41.h4 Kh7 42.Kh3 Ra3 43.Kg4 Rb3 44.Kh5 Rb4 45.g4 Rb2 46.g5 hxg5 47.hxg5 Re2
+- (2.42) Depth: 29/56 00:00:00 19334kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rd6 40.Rf4 Ra6 41.g4 Kh7 42.h4 Ra5 43.Rf5 Ra3 44.Rd5 Ra4 45.Kg3 Ra3+ 46.Kf4 Kg6 47.Rf5 Kh7 48.Ke4 Ra4+ 49.Kf3 Rc4 50.Kg3 Rc3+ 51.Kh2 Ra3 52.Kg2 Rb3 53.h5 Kg8 54.f4 Rb2+ 55.Kg3 Rb3+ 56.Kf2 Rb2+ 57.Ke3 Rb6
+- (3.25) Depth: 30/59 00:00:01 30989kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.g4 Ra4+ 45.Kf3 Ra3+ 46.Kf4 Ra4+ 47.Kg3 Ra3+ 48.Rf3 Ra4 49.Rd3 Kh7 50.Rd5 Ra3+ 51.Kf4 Kg6 52.Rf5 Kh7 53.Ke4 Ra4+ 54.Kf3 Rc4
+- (3.25) Depth: 31/59 00:00:01 33039kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.g4 Ra4+ 45.Kf3 Ra3+ 46.Kf4 Ra4+ 47.Kg3 Ra3+ 48.Rf3 Ra5 49.Kh3 Kh7 50.Rf5
+- (3.24) Depth: 32/59 00:00:01 34359kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qb5 36.Qxa3 Qc6 37.Qf3 Rd6 38.Rf4 Qxf3+ 39.Kxf3 Ra6 40.g4 Kg8 41.Kg2 Rb6 42.Kg3 Ra6 43.Kf3 Ra3+ 44.Kg2 Ra6 45.Rf5 Kf8 46.g5 Kg8 47.h4 h6 48.f4 hxg5 49.fxg5 Kh7 50.h5
+- (3.24) Depth: 33/59 00:00:01 36467kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rb5 Ra6 45.Kf5 Ra3 46.f4 Rxg3 47.Rb7 Kg8 48.Rb8+ Kh7 49.Rf8 Ra3 50.Rxf7+ Kg8 51.Rg7+ Kf8
+- (3.17) Depth: 34/59 00:00:01 38972kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rg5 40.Rf4 Rg8 41.h4 Rd8 42.Rf5 Rd4 43.Kf3 Rd3+ 44.Ke4 Ra3 45.Rd5 Ra4+ 46.Kf5 Ra3 47.Kg4 Ra6 48.Rf5 Rd6 49.Kh5 Kh7 50.g4 Rd2 51.g5 hxg5 52.hxg5 Kg8 53.Rf4 Rd3 54.Rc4 Rh3+ 55.Kg4
+- (3.17) Depth: 35/59 00:00:01 39850kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Kh7 49.Rxh5+ Kg6 50.Rg5+ Kxf6 51.h5 Ra4+ 52.Kf3 Ra3+ 53.Kg4 Ra6 54.Rc5 Rb6 55.Ra5 Rb3 56.Rg5
+- (3.25) Depth: 36/59 00:00:01 48773kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Kh7 49.Rxh5+ Kg6 50.Rg5+ Kxf6 51.h5 Ra4+ 52.Kf3 Ra3+ 53.Kg4 Ra6 54.Rc5 Rb6 55.Ra5 Rb3 56.Rg5 Rc3
+- (3.25) Depth: 37/59 00:00:01 50150kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Kh7 49.Rxh5+ Kg6 50.Rg5+ Kxf6 51.h5 Ra4+ 52.Kf3 Ra3+ 53.Kg4 Ra6 54.Rc5 Rb6 55.Ra5 Rb3 56.Rg5 Rc3 57.h6
+- (3.25) Depth: 38/59 00:00:02 62401kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Kh7 49.Rxh5+ Kg6 50.Rg5+ Kxf6 51.h5 Ra4+ 52.Kf3 Ra3+ 53.Kg4 Ra1 54.Rc5 Ra8 55.Rf5+ Kg7 56.Kg5 Rf8 57.Rc5 f6+ 58.Kg4
+- (3.25) Depth: 39/61 00:00:02 67148kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Ra4+ 49.Kf3 Ra3+ 50.Kg2 Kh7 51.Rxh5+ Kg6 52.Rg5+ Kxf6 53.h5 Ra8 54.Kh3 Ke6 55.Kg4 Rc8 56.Re5+ Kf6 57.Rf5+ Ke6 58.Rg5 Rh8 59.Re5+ Kf6 60.Rc5 Ke7
+- (3.25) Depth: 40/65 00:00:02 69477kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Ra4+ 49.Kf3 Ra3+ 50.Kg2 Kh7 51.Rxh5+ Kg6 52.Rg5+ Kxf6 53.h5 Ra8 54.Kh3 Ke6 55.Kg4 Rc8 56.Re5+ Kf6 57.Rf5+ Ke6 58.Rg5 Rh8 59.Re5+ Kf6
+- (3.25) Depth: 41/65 00:00:02 77281kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Ra3 44.Rd5 Ra4+ 45.Ke5 Kg8 46.Kf5 Ra3 47.f4 h5 48.Ke4 Ra4+ 49.Kf3 Ra3+ 50.Kg2 Ra2+ 51.Kh3 Ra6 52.Rxh5 Rxf6 53.Rg5+ Kh7 54.Kg4 Ra6 55.Rc5 Kh6 56.Rc7 Rg6+ 57.Kf3 Kg7 58.g4
+- (3.25) Depth: 42/65 00:00:02 83316kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Rd6 44.g4 Kg8 45.Kf3 Rd3+ 46.Kg2 Kh7 47.h5 Rd2 48.Kf3 Kg8 49.Ke3 Ra2 50.f4 Ra3+ 51.Kd4 Ra4+ 52.Ke5 Ra3 53.Kd5 Ra6 54.Kc4 Rc6+ 55.Kb4 Rd6 56.g5 Kh7
+- (3.25) Depth: 43/65 00:00:03 97251kN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Rd2 44.g4 Rb2 45.f3 Rb4+ 46.Ke3 Rb6 47.h5 Re6+ 48.Kf2 Kg8 49.f4 Ra6 50.Ke3 Ra3+ 51.Kd4 Ra4+ 52.Ke5 Ra7 53.Kd5 Ra6 54.Kc5 Kh7 55.Kb5 Ra3
+- (3.25) Depth: 44/58 00:00:03 126MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rg5 39.Rf4 Rg8 40.h4 Rd8 41.Rf5 Rd4 42.Kf3 Rd3+ 43.Ke4 Rd2 44.g4 Rb2 45.f3 Rb4+ 46.Ke3 Rb6 47.Kf4 Kh7 48.h5 Kg8 49.Ke4 Ra6 50.f4 Ra4+ 51.Ke5 Rc4 52.Kd6 Rd4+ 53.Ke7 Re4+ 54.Re5 Rxf4 55.g5 hxg5 56.Rxg5+ Kh7 57.Kxf7 Ra4 58.Re5 Ra7+ 59.Kf8
+- (3.25) Depth: 45/78 00:00:04 134MN
28...Rxd5
+- (3.17 ++) Depth: 46/67 00:00:06 219MN
28...Rxd5
+- (3.10 ++) Depth: 46/67 00:00:07 260MN
28...Rxd5
+- (2.98 ++) Depth: 46/67 00:00:08 311MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Ra6 40.h4 Kg8 41.Rf5 Ra2 42.Kh3 Ra4 43.g4 Ra3+ 44.f3 Kh7 45.h5 Kg8 46.Kg3 Rd3 47.Kh2 Rd2+ 48.Kh3 Rd3 49.Kh4 Ra3 50.f4 Rf3 51.g5 hxg5+ 52.Rxg5+ Kh8 53.Kg4 Rf1 54.Rc5 Rg1+ 55.Kf5 Rh1 56.Kg5 Kh7
+- (3.25) Depth: 46/67 00:00:09 326MN
28...Rxd5
+- (3.17 ++) Depth: 47/58 00:00:09 328MN
28...Rxd5
+- (3.10 ++) Depth: 47/65 00:00:10 382MN
28...Rxd5
+- (2.98 ++) Depth: 47/65 00:00:11 417MN
28...Rxd5
+- (2.82 ++) Depth: 47/65 00:00:13 506MN
28...Rxd5
+- (2.61 ++) Depth: 47/76 00:00:18 696MN
28...Rxd5 29.Rxd5
+- (3.32 --) Depth: 47/82 00:01:22 3057MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rd6 40.Rf4 Ra6 41.g4 Rb6 42.Rf5 Rb2 43.h4 Kh7 44.Kh2 Rd2 45.Kh3 Rd3+ 46.f3 Ra3 47.Kg3 Ra4 48.Kf2 Ra3 49.Kg2 Ra1 50.h5 Ra2+ 51.Kg3 Kg8 52.f4 Ra3+ 53.Kh2 Ra2+ 54.Kg1 Kh7 55.g5 Kg8 56.Rc5 hxg5 57.fxg5 Kh7 58.Rc7 Kg8
+- (3.32) Depth: 47/82 00:01:46 3944MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rd6 40.Rf4 Ra6 41.g4 Rb6 42.Rf5 Rb2 43.h4 Kh7 44.Kh2 Rd2 45.Kh3 Rd3+ 46.f3 Ra3 47.Kg3 Ra4 48.Kf2 Ra3 49.Kg2 Ra1 50.h5 Ra2+ 51.Kg3 Kg8 52.f4 Ra3+ 53.Kh2 Ra2+ 54.Kg1 Ra3 55.Kf1 Ra4 56.Kg2 Ra2+ 57.Kf3 Ra6 58.Ke4 Ra4+ 59.Ke3 Ra3+ 60.Kd4 Ra4+ 61.Kd5 Ra6 62.Ke5 Ra5+ 63.Kd6 Ra6+ 64.Kd7 Ra7+ 65.Kc6
+- (3.32) Depth: 48/74 00:01:59 4418MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Re4 Qg5 36.Ra4 h6 37.Rxa3 Qd5 38.Qxd5 Rxd5 39.Ra4 Rd6 40.Rf4 Kh7 41.g4 Rb6 42.h4 Rb3 43.Rf3 Rb2 44.Kg3 Kg6 45.h5+ Kh7 46.Rf5 Ra2 47.f3 Kg8 48.f4 Ra3+ 49.Kh2 Ra2+ 50.Kg1 Ra3 51.Kf1 Ra4 52.Kg2 Ra2+ 53.Kf3 Ra6 54.Ke4 Ra4+ 55.Ke3 Ra3+ 56.Kd4 Ra4+ 57.Kd5 Ra6 58.Ke5 Ra5+ 59.Kd6 Ra6+ 60.Kd7 Ra7+ 61.Kd8 Ra2 62.g5 Ra8+ 63.Ke7 Ra7+ 64.Kd6 Ra6+ 65.Kd7 Ra7+ 66.Kc6 Ra4 67.Kb5 Re4
+- (3.32) Depth: 49/79 00:02:13 4930MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Kh7 40.g4 Rb6 41.h4 Rb3 42.Rf3 Rb2 43.Kg3 Ra2 44.Rf5 Ra6 45.Kg2 Ra2 46.Kh3 Ra6 47.Kg3 Kg8 48.g5 Kh7 49.Kg4 Ra2 50.Kh5 Re2 51.gxh6 Kh8 52.Kg5 Rb2 53.Ra5 Kh7 54.Rd5 Ra2 55.Re5 Rc2 56.f4 Rg2+ 57.Kf5 Rb2 58.Re7 Rb5+ 59.Kg4 Kg6 60.Ra7 Rc5 61.f5+ Kxh6 62.Rxf7 Rc4+ 63.Kg3 Rc5 64.Kf4
+- (3.32) Depth: 50/72 00:02:31 5597MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Kh7 40.g4 Rb6 41.h4 Rb3 42.Rf3 Rb2 43.Kg3 Ra2 44.Rf5 Ra6 45.Kg2 Ra2 46.Kh3 Ra6 47.Kg3 Kg8 48.g5 Kh7 49.Re5 Ra2 50.Re8 Ra4 51.f4 Ra1 52.Kg2 Ra6 53.Rf8 hxg5 54.fxg5 Kg6 55.Rg8+ Kh5 56.Rh8+ Kg6 57.Rh6+ Kf5 58.Rh7 Ra2+ 59.Kf3 Ra3+ 60.Kf2 Ra7 61.Rg7 Ra2+ 62.Ke3 Ra3+ 63.Ke2 Ra2+ 64.Kd3 Ra3+ 65.Kc2 Ke6 66.h5 Rg3 67.h6 Rh3
+- (3.32) Depth: 51/79 00:02:52 6401MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra4 Rd6 39.Rf4 Kh7 40.g4 Rb6 41.h4 Rb3 42.Rf3 Rb2 43.Kg3 Ra2 44.Rf5 Ra6 45.Kg2 Ra2 46.Kh3 Ra6 47.Kg3 Kg8 48.g5 Kh7 49.Re5 Ra2 50.Re8 Ra4 51.f4 Ra1 52.Kg2 Ra6 53.Rf8 hxg5 54.fxg5 Kg6 55.Rg8+ Kh5 56.Rh8+ Kg6 57.Rh6+ Kf5 58.Rh7 Ra2+ 59.Kf3 Ra3+ 60.Ke2 Ke6 61.h5 Ra5 62.Rg7 Ra2+ 63.Kf3 Ra3+ 64.Ke4 Ra4+ 65.Ke3 Ra3+ 66.Kd4 Ra4+ 67.Kc3 Rh4
+- (3.32) Depth: 52/79 00:03:02 6779MN
28...Rxd5
+- (3.25 ++) Depth: 53/84 00:03:07 6939MN
28...Rxd5
+- (3.17 ++) Depth: 53/84 00:03:07 6955MN
28...Rxd5
+- (3.06 ++) Depth: 53/84 00:03:12 7157MN
28...Rxd5 29.Rxd5
+- (3.40 --) Depth: 53/91 00:04:59 10992MN
28...Rxd5 29.Rxd5
+- (3.61 --) Depth: 53/91 00:10:39 23225MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra7 Kg8 39.g4 Rd6 40.Ra8+ Kh7 41.Ra5 Kg6 42.Rf5 Rd2 43.Kg3 Kh7 44.f3 Rd1 45.h4 Rg1+ 46.Kf2 Rd1 47.h5 Rd2+ 48.Kg3 Ra2 49.Kf4 Ra6 50.Rc5 Rxf6+ 51.Rf5 Rb6 52.Rxf7+ Kg8 53.Re7 Rb5 54.Ke4 Rg5 55.Re5 Rg7 56.Kf5 Kh7 57.Kf6 Rg8 58.Re7+ Kh8 59.Rd7 Rg5 60.Rd6 Kh7 61.Ke6 Ra5 62.f4 Ra4 63.Rd7+ Kg8 64.Ke5 Rb4 65.Rc7 Rb5+ 66.Kd4 Rb4+ 67.Ke3 Ra4 68.Rc8+ Kh7
+- (3.61) Depth: 53/91 00:12:18 26807MN
28...Rxd5 29.Rxd5
+- (3.69 --) Depth: 54/90 00:17:35 38172MN
28...Rxd5 29.Rxd5
+- (3.76 --) Depth: 54/90 00:19:32 42437MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra7 Kg8 39.g4 Rd6 40.Ra8+ Kh7 41.Ra5 Kg6 42.Rf5 Rd2 43.Kg3 Ra2 44.f3 Ra3 45.h4 Kh7 46.Kh3 Kg6 47.h5+ Kh7 48.Kh2 Ra2+ 49.Kg3 Ra3 50.Re5 Rb3 51.Ra5 Rb6 52.Kf4 Rxf6+ 53.Rf5 Rc6 54.Rxf7+ Kg8 55.Rd7 Rc5 56.Ke4 Rg5 57.Rd5 Rg7 58.Kf5 Re7 59.Kf6 Ra7 60.Re5 Ra1 61.f4 Ra4 62.Kf5 Ra7 63.g5 Rf7+ 64.Kg4 Rc7 65.Re6 hxg5 66.fxg5 Kg7
+- (3.85) Depth: 54/97 00:25:09 54609MN
28...Rxd5 29.Rxd5
+- (3.92 --) Depth: 55/91 00:29:43 64496MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 Rc8 33.Rb7 Rd8 34.Qb3 Rf8 35.Qd5 h6 36.Rd7 Re8 37.Bd6 Bc3 38.Rxf7 Rd8 39.Qh5 Qg5 40.Qf3 a2 41.Qe4 Qg8 42.Rg7 a1Q 43.Rxg8+ Rxg8 44.f7 Bg7 45.fxg8Q+ Kxg8 46.Bxc5 Qf6 47.Be3 Qd6 48.h4 Qf6 49.h5 Kh8 50.g4 Qd6 51.Bf4 Qf6 52.Qe8+ Kh7 53.Kf3 Qc3+ 54.Qe3 Qf6 55.Qe4+ Kh8 56.Kg2 Kg8 57.Kg3 Qc3+ 58.Qe3 Qf6 59.Qd3 Qf7 60.Qe4 Qb3+ 61.Kg2 Qf7 62.Be3 Qd7 63.Qg6 Qd5+ 64.Kg3 Qb3 65.g5 Kh8 66.Qe8+ Qg8 67.Qxg8+ Kxg8
+- (3.96) Depth: 55/93 00:35:03 76113MN
28...Rxd5
+- (3.88 ++) Depth: 56/83 00:35:07 76283MN
28...Rxd5
+- (3.81 ++) Depth: 56/83 00:35:09 76323MN
28...Rxd5
+- (3.70 ++) Depth: 56/83 00:35:10 76366MN
28...Rxd5
+- (3.54 ++) Depth: 56/83 00:35:12 76450MN
28...Rxd5
+- (3.32 ++) Depth: 56/83 00:35:16 76577MN
28...Rxd5
+- (3.03 ++) Depth: 56/83 00:36:45 79738MN
28...Rxd5 29.Rxd5
+- (4.03 --) Depth: 56/100 00:40:23 87594MN
28...Rxd5 29.Rxd5 a3 30.Qf3 Qg8 31.Rd7 Rd8 32.Rc7 c4 33.Rxc4 Qg5 34.Rxb4 Qxe5 35.Ra4 h6 36.Rxa3 Qd5 37.Qxd5 Rxd5 38.Ra7 Kg8 39.g4 Rd6 40.Ra8+ Kh7 41.Ra5 Rxf6 42.Rf5 Rg6 43.Rxf7+ Kg8 44.Rf4 Re6 45.h4 Rb6 46.h5 Rb1 47.Rf5 Kg7 48.Rf3 Rd1 49.Rc3 Rd4 50.Kf3 Rd1 51.Kg3 Rg1+ 52.Kh2 Rf1 53.Kg2 Rd1 54.f4 Rd6 55.Kf3 Rf6 56.Rc7+ Kg8 57.Rc5 Rf7 58.Ke4 Kh7 59.Ke5 Rg7 60.Kf5 Rf7+ 61.Ke4 Rg7 62.Kf3 Rg8 63.Rc3 Rg7 64.Rc6 Rf7 65.Ra6 Kg7 66.Rg6+ Kh7 67.Rc6 Rb7
+- (4.25) Depth: 56/107 00:56:28 122948MN