Engine-assisted game vs Stockfish, move 30 discussion

[MooMoo2]

The most popular move on the move 29 poll was ...Qc5. Stockfish played 30. Qe6, and the FEN is:
5r1k/6bp/3pQ3/2q2p2/2B1pP2/1P6/2r3PP/3R1R1K b - - 4 30

Game so far: 1.e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. c3 Bg7 13. Bd3 Be6 14. Nc2 O-O 15. O-O fxe4 16. Bxe4 Rc8 17. a4 f5 18. axb5 axb5 19. Bf3 e4 20. Be2 Kh8 21. Qd2 Be5 22. f4 Bxd5 23. Qxd5 Qb6+ 24. Kh1 Bg7 25. Rad1 b4 26. Nxb4 Nxb4 27. cxb4 Qxb4 28. b3 Rc2 29. Bc4 Qc5 30. Qe6

Depth: 60 ply. Nodes searched: 884,981,046,826 (~885 G)

[richs]

dh1's runs in the Move 29 Discussion thread show Bd4 as the response to white's 29. ... Qe6.

[dh1]

After re-reading the last six months of this thread, I may have been too verbose in engine data posts? Let me know.

Summary of current analysis with engines: Komodo, Houdini, Deep Shredder, Deep Rybka:
30. ... Bd4 is the best-scored move for all.
with likely following move for White 31. = {Rc1 or Qe7 or h3}

[richs]

I think your prior posts were fine, Denny.

[VBCurtis]

Originally Posted by richs

I think your prior posts were fine, Denny.

I found them quite illuminating, though I didn't even know which side was favored in some of them! (Thanks for clearing that up for me!) If they weren't appreciated, you would not find so many posters in this game waiting/asking for your analysis.

[dh1]

FEN is: 5r1k/6bp/3pQ3/2q2p2/2B1pP2/1P6/2r3PP/3R1R1K b - - 4 30
(more-negative is worse for black)

==============================================================
Komodo-10.3-64bit:

 40    -0.69    30. ... Rf2 31.Rxf2 Qxf2 32.Qxd6 h6 33.Rf1 Qd4 34.Qxd4 Bxd4 35.Rd1 Ra8 36.g4 Rd8 37.gxf5 Kg7 38.Re1 Kf6 39.Be6 e3 40.Kg2 Bb6 41.Kf3 Rd2 42.Re2 Bc5 43.h3 h5 44.b4 Rxe2 45.Kxe2 Bxb4 46.Kxe3 Bd6 47.Ke4 Bb4 48.Bc4 Bd2 49.Bd3 Bc3 50.Be2 h4 51.Bc4 Bd2 52.Bd5 Be1 53.Bg8 Bb4 54.Be6
 40    -0.68    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Ra2 35.Rxd6 Bc3 36.Rd7 Rb2 37.Ra1 Re8 38.Rc1 Re1+ 39.Rxe1 Bxe1 40.Rf7 Rf2 41.Rxf5 Bd2 42.Rf7 Rxf4 43.Re7 Bb4 44.Rd7 Rf2 45.Bd3 h5 46.Rh7+ Kg8 47.Rxh5 Kg7 48.Rh4 Bc3 49.Bc4 Kf6 50.h3 Rd2 51.Rg4 Bb4 52.Rf4+ Kg5 53.Re4 Bd6 54.Kg1 Kf6
 40    -0.68    30. ... Qe3 31.Qxd6 Qa7 32.Rd5 Rf2 33.Rxf2 Qxf2 34.Rd1 h6 35.Rf1 Qd4 36.Qxd4 Bxd4 37.Rd1 Ra8 38.g4 Rd8 39.Be6 fxg4 40.Bxg4 Kg7 41.Bf5 e3 42.Bg4 Bf6 43.Rxd8 Bxd8 44.Kg2 Bc7 45.Kg3 Kg6 46.Be2 Ba5 47.Bd3+ Kf6 48.Kf3 Bd2 49.Bc4 h5 50.Ke4 h4 51.Kf3 Kf5 52.Bd3+ Kf6 53.Ke2
 40     0.00    30. ... Bd4 31.h3 d5 32.Bxd5 Qc3 33.Qe7 Bc5 34.Qc7 Qb2 35.Rb1 Qg7 36.Qxg7+ Kxg7 37.Rbc1 Rxc1 38.Rxc1 Bf2 39.Rc7+ Kh6 40.Kh2 Rd8 41.Bc4 Rd2 42.Rc8 Be3 43.Rc6+ Kg7 44.Kg3 Bf2+ 45.Kh2 h6 46.Rc8 Kf6 47.Re8 Be3 48.Kg3 Bf2+ 49.Kh2
...
 45    -0.72    30. ... Qc8 31.Qxd6 Qa8 32.Rd2 Rxd2 33.Qxd2 Qd8 34.Rd1 Qxd2 35.Rxd2 Bc3 36.Rd7 h5 37.g3 Rf6 38.Bb5 h4 39.Kg2 Rf8 40.Kf2 hxg3+ 41.hxg3 Bb4 42.Be2 Rf6 43.Rb7 Bc5+ 44.Kg2 Bd4 45.Rd7 Bc5 46.Bb5 Rb6 47.Bc4 Rf6 48.Rb7 Be3 49.Rb5 Bd2 50.Kf1 Kg7 51.Ke2 Bc3 52.Ke3 Kh6 53.Be2 Bb2 54.b4 Bc1+ 55.Kf2 Bd2 56.Rb8
 45    -0.62    30. ... Rf2 31.Rxf2 Qxf2 32.Qxd6 h6 33.Qd2 Qxd2 34.Rxd2 Kh7 35.Rd7 Kg6 36.g3 Bc3 37.Kg2 Rf6 38.Rd8 Rb6 39.Kf2 h5 40.Rd5 Kf6 41.h4 Bb2 42.Rd8 Kg6 43.Ke3 Bc3 44.Ke2 Kf6 45.Rh8 Kg6 46.Rg8+ Bg7 47.Rd8 Bc3 48.Ke3 Kf6 49.Kf2 Ke7 50.Rd5 Kf6 51.Ke2 Bb2 52.Kf1 Ba3 53.Re5 Rd6 54.Re8 Bc5 55.Ke2
 45    -0.59    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Rb2 35.Rxd6 Bc3 36.Rh6 Rd2 37.Rh5 Bg7 38.Rh3 Rfd8 39.Rhf3 Bh6 40.Rg3 Rf8 41.Rh3 Bg7 42.Rd3 Rxd3 43.Bxd3 Bh6 44.b4 Kg7 45.Kg2 Kf6 46.Kf3 Rd8 47.Ke3 Bf8 48.b5 Bc5+ 49.Ke2 Re8+ 50.Kd2 Ra8 51.Rc1 Ra2+ 52.Rc2 Rxc2+ 53.Bxc2 Ke6 54.h4 h6 55.Kd3 Bf2 56.h5 Bb6 57.Ke2 Bg1 58.Kf3
 45     0.00    30. ... Bd4 31.h3 d5 32.Bxd5 Qc3 33.Qe7 Bc5 34.Qc7 Qb2 35.Rb1 Qg7 36.Qxg7+ Kxg7 37.Rbc1 Rxc1 38.Rxc1 Bf2 39.Rc7+ Kh6 40.Kh2 Rd8 41.Bc4 Rd2 42.Rc6+ Kg7 43.Re6 h5 44.Re7+ Kf6 45.Re6+ Kg7

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Houdini 5:

 42/101    -0.90    30. ... Rd8 31.Rd5 Qc8 32.Rxd6 Rf8 33.Qe7 Re8 34.Qf7 Rf8 35.Qd5 Qa8 36.Qd1 Ra2 37.Rd2 Rxd2 38.Qxd2 Rd8 39.Qe2 Qc6 40.Rd1 Bd4 41.g3 Kg7 42.Kg2 Qb6 43.Qa2 h5 44.b4 h4 45.Qa5 Qf6 46.Qb5 Kg6 47.Be2 Bb6 48.Rxd8 Bxd8 49.Qe8+ Kg7 50.Qd7+ Kg6 51.Bh5+ Kh6 52.Bd1 hxg3 53.hxg3 Be7 54.b5 Bc5 55.Kh3 Kg6 56.Qe8+ Kg7 57.Bb3 Bb6 58.Qg8+ Kh6 59.Bd1 Bd4
 42/101    -0.90    30. ... Qc6 31.Rxd6 Qe8 32.Qd5 Qa8 33.Qd1 Ra2 34.Rd2 Rxd2 35.Qxd2 Rd8 36.Qe2 Qc6 37.Rd1 Bd4 38.g3 Kg7 39.Kg2 Qb6 40.Qa2 h5 41.b4 h4 42.Qa5 Qf6 43.Qb5 Bb6 44.Rd7+ Rxd7 45.Qxd7+ Kh6 46.Be2 hxg3 47.hxg3 Be3 48.Qc8 Kh7 49.b5 Kh6 50.Qg8 Bb6 51.Kh3 Be3 52.Qb3 Bb6 53.Qd5 Be3 54.Kg2 Kg7 55.Qd7+ Kh6 56.Qc8 Bb6
 42/101    -0.66    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Rc2 35.Rxd6 Bc3 36.Rd3 Ba5 37.Rd7 Rd2 38.Rb7 Bc3 39.Rc1 Re8 40.Rf7 Rf2 41.Rxf5 Bd2 42.Rd1 Bxf4 43.Kg1 Rd2 44.Rxd2 Bxd2 45.Rd5 Bb4 46.Kg2 Kg7 47.Kf3 Kf6 48.Rh5 Re7 49.Bd3 Bd2 50.Be4 h6 51.Rf5+ Ke6 52.Rb5 Kf6 53.Rd5 Bb4 54.Rf5+ Kg7 55.Rb5 Bd6 56.h3 Re8
 42/101     0.00    30. ... Bd4 31.Rc1 Rd2 32.Bd5 Qb5 33.Qxd6 Bg7 34.Bc4 Rxd6 35.Bxb5 Rd2 36.g3 Ra8 37.Rfd1 e3 38.Re1 Bd4 39.Re2 Rb8 40.Ba6 Rb6 41.Bc4 Rxb3 42.Rc2 Rb1+ 43.Kg2 Rg1+ 44.Kh3 Rxc2 45.Rxc2 Rd1 46.Kg2 Rd2+ 47.Rxd2 exd2 48.Bb3 Kg7 49.Kf3 Kf6 50.Ke2 Bg1 51.Bd1 Kg6 52.Kf1 Bd4 53.h4 h5 54.Ke2 Bc5 55.Bb3
...
 47/101    -0.90    30. ... Rf2 31.Rxf2 Qxf2 32.Qxd6 h6 33.Rf1 Qd4 34.Qc6 Qf6 35.Qc5 Rd8 36.g3 Bf8 37.Qa5 Be7 38.Be2 Kg7 39.g4 fxg4 40.Rg1 e3 41.Rxg4+ Kh8 42.Qh5 Rg8 43.Rxg8+ Kxg8 44.Qg4+ Kf7 45.Kg2 Qc6+ 46.Kg3 Qg6 47.Qxg6+ Kxg6 48.Kf3 Bc5 49.Ke4 h5 50.Bc4 Kf6 51.Kf3 Kf5 52.Bf1 Ke6 53.Ke4 Kf6 54.Bc4 h4 55.h3 Kg6 56.Kd5 Bb4 57.Kd4 Bd2 58.Ke4 Kf6 59.Be2 Kf7
 47/101    -0.89    30. ... Qc6 31.Rxd6 Qe8 32.Qd5 Qa8 33.Qd1 Ra2 34.Rd2 Rxd2 35.Qxd2 Rd8 36.Qe2 Qc6 37.Rd1 Bd4 38.Qh5 Qf6 39.b4 Kg7 40.b5 Qg6 41.Qh4 Qf6 42.Qg3+ Kh8 43.Qb3 h5 44.g3 h4 45.Kg2 hxg3 46.hxg3 Kg7 47.Be2 Bb6 48.Rxd8 Qxd8 49.Bh5 Qd2+ 50.Kh3 Qd7 51.Qa3 Kh6 52.Be2 Kg7 53.Qa8 Qd8 54.Qb7+ Qc7 55.Qd5 Qf7 56.Qc6 Qf6 57.Qc8 Bd8 58.Qd7+ Kh6 59.Kg2 Bb6
 47/101    -0.56    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Rb2 35.Rxd6 Bc3 36.Rh6 Bb4 37.Rg1 Rd8 38.Rh5 Bc5 39.Ra1 Be3 40.Rxf5 Rf2 41.h3 Bxf4 42.Rf1 Rxf1+ 43.Bxf1 Bd6 44.Bc4 Kg7 45.Kg2 h6 46.Rd5 Be7 47.Re5 Bb4 48.Kf3 Rd4 49.Re6 Rh4 50.Kg2 Rf4 51.Bd3 Rf6 52.Re5 Rd6 53.Be4 Rf6 54.Rb5 Bd2 55.Rb7+ Rf7 56.Rb6 Rf4 57.Rg6+ Kf7 58.Rd6 Rxe4 59.Rxd2 Kf6
 47/101    -0.01    30. ... Bd4 31.Rc1 Rd2 32.Bd5 Qb5 33.Qxd6 Bg7 34.Bc4 Rxd6 35.Bxb5 Rd2 36.g3 Ra8 37.Rfd1 e3 38.Re1 Bd4 39.Re2 Rb8 40.Bc4 Rxb3 41.Bxb3 Rxe2 42.Bc4 Rd2 43.Re1 Kg7 44.Re2 Rd1+ 45.Kg2 Kf6 46.Bb3 Rb1 47.Bd5 Rd1 48.Bc4 Rc1 49.Ba2 Rc5 50.Kf3 Rc1 51.Bg8 Kg6 52.Bd5 Rf1+ 53.Kg2 Rd1 54.Be6 Kf6 55.Bg8 Kg7 56.Bb3 Ra1 57.Bc2 Kf6 58.Bd3 Ra3 59.Bb5

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EngineDeepShredder13UCIx64:

 46/76    -0.55    30. ... Qc8 31.Qxd6 Qa8 32.Rd2 Rxd2 33.Qxd2 Rd8 34.Qb4 Qa7 35.Qb5 Qd7 36.Qxd7 Rxd7 37.Be6 Ra7 38.Bxf5 e3 39.Bg4 Ra2 40.g3 Rb2 41.Re1 Rxb3 42.Be6 Rc3 43.Bf5 Bd4 44.Kg2 Rb3 45.Re2 Kg7 46.Kf3 Rb5 47.g4 h6 48.Rc2 Rc5 49.Rxc5 Bxc5 50.h4 Ba7 51.Ke2 Bd4 52.Bd3 Bc5 53.Bc2 Bd4 54.Bf5
 46/76    -0.47    30. ... Qc6 31.Rxd6 Qe8 32.Qd5 Qa8 33.Qd1 Ra2 34.Rd2 Rxd2 35.Qxd2 Rd8 36.Qb4 Qc6 37.Qa5 Qd7 38.h3 Bf6 39.Kh2 Kg7 40.b4 Rc8 41.Be2 Rc2 42.Rd1 Qe6 43.Qa7+ Kh8 44.Qe3 Rc3 45.Rd8+ Bxd8 46.Qxc3+ Qf6 47.Qxf6+ Bxf6 48.g4 Kg7 49.Bc4 Bc3 50.b5 Kf6 51.g5+ Kg7 52.h4 Bd2 53.Kg3 Be1+ 54.Kg2 Bd2 55.Be6 Bxf4 56.Bxf5 h6 57.Bxe4 hxg5 58.Kf3 Kf6
 46/76    -0.41    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Rb2 35.Rxd6 Bc3 36.Rd7 Bb4 37.Rg1 Bc5 38.Rg3 Ra8 39.Rd1 Rf2 40.Rdg1 h6 41.Rg6 Bf8 42.Rf6 Bg7 43.Rxf5 Raa2 44.Rh5 Rxf4 45.Rb5 Ra8 46.Rb7 Bd4 47.Re1 Ra1 48.Rxa1 Bxa1 49.Kg2 Bc3 50.Re7 Bb4 51.Rd7 Bc3 52.Bd3 Rd4 53.Rxd4 Bxd4 54.b4 Kg7 55.Kf3 Be5
 46/76     0.00    30. ... Bd4 31.Qe7 d5 32.Qxc5 Bxc5 33.Rxd5 Bb4 34.Rfd1 Re8 35.Bb5 Rg8 36.g3 Ra8 37.Rd8+ Rxd8 38.Rxd8+ Kg7 39.Rd7+ Kf6 40.Rxh7 e3 41.Rh6+ Ke7 42.Rb6 Bd6 43.Rb7+ Kf6 44.Rb6 Ke7
...
 51/94    -0.59    30. ... Qc8 31.Qxd6 Ra2 32.h3 Qa8 33.b4 Rc2 34.Rc1 Rb2 35.Rb1 Rc2 36.Rfc1 Qb8 37.Qxb8 Rxc1+ 38.Rxc1 Rxb8 39.b5 Bd4 40.Rd1 Bb6 41.g3 Rc8 42.Rd6 Ba5 43.Rc6 Rxc6 44.bxc6 Kg7 45.Kg2 Bc7 46.Kf2 Bb6+ 47.Kf1 Bc7 48.Ke2 Kf6 49.Ba6 Bb8 50.Ke3 Ba7+ 51.Kd2 Bb6 52.Ke2 Ba5 53.Bc8 Bc7 54.Kf2 Bd6 55.Bd7 Bc7 56.Ke2 Bd6 57.Ke1 Bc7 58.Kf2 Bb6+ 59.Kg2 Ba5 60.Bc8
 51/94    -0.55    30. ... Qc6 31.Rxd6 Qe8 32.Qd5 Qa8 33.Qd1 Ra2 34.Rd2 Rxd2 35.Qxd2 Qd8 36.Qb4 Qb8 37.Qxb8 Rxb8 38.Rd1 Bc3 39.Rd7 Ra8 40.h4 Ra2 41.h5 h6 42.Rf7 Rf2 43.Rf8+ Kg7 44.Rxf5 e3 45.Rf7+ Kh8 46.Re7 Rxf4 47.Rxe3 Rh4+ 48.Rh3 Rxh3+ 49.gxh3 Kg7 50.Be2 Kf6 51.Kg2 Kg5 52.Bg4 Kf4 53.Kf2 Bb4 54.Ke2 Ke4 55.Bd7 Bd6 56.Be6 Bb4 57.Bc4 Be7 58.Bf7 Bb4 59.Be6 Bd6 60.Kf2 Be7 61.Kg2
 51/94    -0.40    30. ... e3  31.Rd5 e2 32.Qxe2 Rxe2 33.Rxc5 Rxg2 34.Rd5 Rb2 35.Rxd6 Bc3 36.Rh6 Bg7 37.Rh3 Rd2 38.Bd3 Rb2 39.Rb1 Rf2 40.b4 Bd4 41.b5 Rf6 42.Rf1 Rg6 43.Rg3 Rxf1+ 44.Bxf1 Bf2 45.Rxg6 hxg6 46.Kg2 Bd4 47.Bc4 Kg7 48.Kg3 Bc5 49.Kf3 Kf6 50.h4 Bd4 51.Bd5 Bc5 52.Kg3 Bd4 53.Bb3 Bc5 54.Kf3 Bb6 55.Ba2 Bc5 56.Bd5 Bb6 57.Bg8 Bc5
 51/94     0.00    30. ... Bd4 31.Qe7 d5 32.Qxc5 Bxc5 33.Rxd5 Bb4 34.Rfd1 Re8 35.Bb5 Rg8 36.g3 e3 37.Re5 Ra8 38.Rxe3 Raa2 39.Re8+ Kg7 40.Re5 Rxh2+ 41.Kg1 Rhg2+ 42.Kh1 Rxg3 43.Rd7+ Kh6 44.Rxf5 Rh3+ 45.Kg1 Rg3+ 46.Kh1

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Deep Rybka 4.1 SSE42 x64:

 28    -0.80    30. ... Qa3 31.Rxd6 Qb2 32.Rg1 Rc1 33.Rdd1 Rc2 34.Qe7 Qf6 35.Qc7 Ra2 36.Rd7 Qb2 37.h3 Qf6 38.Qc5 Rc2 39.Rgd1 Bh6 40.Rb7
 28    -0.74    30. ... Rf2 31.Rxf2 Qxf2 32.Qxd6 h6 33.Rf1 Qd4 34.Qxd4 Bxd4 35.Rd1 Bc5 36.Rd5 Bb4 37.Kg1 Kg7 38.Bb5 h5 39.g3 h4 40.Kf1 hxg3 41.hxg3 Ba3 42.Ke2 Bb4 43.Ke3 Ba3 44.Ba4 Kh6 45.Bd7 Rb8
 28    -0.73    30. ... Qc8 31.Qxd6 Ra2 32.Rfe1 Qa8 33.h3 Qa7 34.Re2 Rxe2 35.Bxe2 Rf6 36.Qd5 Qf2 37.Bc4 Rf8 38.Qd6 h5 39.Rf1 Qg3 40.Qd1 Bh6 41.Qd2 Kh7 42.b4 Rf6 43.b5 Kg6
 28     0.00    30. ... Bd4 31.Rc1 Rd2 32.Bd5 Bc3 33.Qe7 Rc8 34.Be6 Qc7 35.Qh4 Rf8 36.Qh3 Rd3 37.Qh5 d5 38.g3 Qb7 39.Bxf5 d4 40.Rc2 Rd2 41.Rxd2 Bxd2 42.Bg4 Qe7 43.Qd5 Rd8 44.Qc4 d3 45.Bf5 e3

========================================
Fire 5 x64 popcnt:

 34    -0.64    30. ... Qc8 31.Qxd6 Qe8 32.Rd2 Rxd2 33.Qxd2 Qd8 34.Qb4 Qd7 35.g3 h6 36.Qa4 Qb7 37.Rd1 e3+ 38.Kg1 Ra8 39.Qd7 Qxd7 40.Rxd7 Ra2 41.Rd3 Bf6 42.Kf1 Rf2+ 43.Ke1 Rxh2 44.Rxe3 h5 45.Re2 Rxe2+ 46.Bxe2 h4 47.Kf1 Kg7 48.Bd3 hxg3 49.Bxf5 Bc3 50.Kg2 Kf6 51.Bg4 Be1 52.Kf3 Kg7 53.Be6 Kf6 54.Bc8 Kg6 55.Bg4 g2
 34    -0.59    30. ... Qc6 31.Rxd6 Qe8 32.Qd5 Qa8 33.Qd1 Ra2 34.Rd2 Rxd2 35.Qxd2 Qd8 36.Qb4 Qd7 37.g3 h6 38.Qa4 Qb7 39.Rd1 Ra8 40.Qd7 Qxd7 41.Rxd7 Ra1+ 42.Kg2 Ra2+ 43.Kf1 Bc3 44.h4 Ra1+ 45.Kg2 Ra5 46.Rf7 h5 47.b4 Bxb4 48.Be6 Be1 49.Rf8+ Kg7 50.Rxf5 Kg6 51.Rxa5 Bxa5 52.Bd5 e3 53.Be4+ Kg7 54.Bd3 Kh6 55.Be2 Bb6 56.Kf3
 34    -0.50    30. ... Qa3 31.Rxd6 Rc1 32.Rdd1 Rc2 33.Qb6 Qb2 34.Rg1 Qf6 35.Qa7 Qc3 36.Qc5 Qf6 37.Rd7 Qc3 38.Qc7 Rd2 39.Rxd2 Qxd2 40.g3 Rd8 41.Be2 Qd7 42.Qc4 Qc8 43.Qxc8 Rxc8 44.Rd1 Bb2 45.Bc4 Kg7 46.Be6 Rf8 47.Rd2 Bc3 48.Rc2 Bb4 49.Kg2 Rf6 50.Bd7 Kg6 51.Rc4 Bf8 52.Be8+ Kh6 53.b4 Rd6 54.b5
 34    -0.08    30. ... Bd4 31.Rfe1 Qc7 32.Qh6 Qg7 33.Qxg7+ Bxg7 34.Rxd6 Bc3 35.Red1 Re8 36.g3 Rb2 37.h3 Rf2 38.Rc1 Bb4 39.Rb6 Ba3 40.Rd1 e3 41.Re1 Rf3 42.Rb5 Rxg3 43.Kh2 Rf3 44.Rxf5 Bd6 45.Kg2 Rf2+ 46.Kg3 Re7 47.Rf8+ Kg7 48.Rg8+ Kf6 49.Rxe3 Rxe3+ 50.Kxf2 Rxh3 51.Re8 Bxf4 52.b4 h5 53.Bd5 Kg5 54.Rg8+ Kf5 55.b5 Rh2+ 56.Kf3 Rh3+ 57.Ke2 Rh2+ 58.Kd3 Rd2+ 59.Kc4

=========================
=========================
some follow-on, if Black moves "30. ... Bd4", then look at White 31,
 [FEN: 5r1k/7p/3pQ3/2q2p2/2BbpP2/1P6/2r3PP/3R1R1K w - - 0 31]

Komodo-10.4-64bit:
 56    0.00    31.Rc1 Rd2 32.Bd5 Qb5 33.Qxd6 Bg7 34.Bc4 Rxd6 35.Bxb5 Rd2 36.g3 Rb8 37.Rc5 Bd4 38.Rxf5 Ra8 39.Rc1 Raa2 40.Rc8+ Kg7 41.Rg5+ Kf6 42.Rc6+ Ke7 43.Rc7+ Kf6 44.Rc6+

Houdini 5:
 53/101    0.00    31.Rc1 Rd2 32.Bd5 Qb5 33.Bc4 Qc5

EngineDeepShredder13UCIx64:
 54/79    0.00    31.Qe7 d5 32.Qxc5 Bxc5 33.Rxd5 Bb4 34.Rfd1 Re8 35.Rd8 Rxd8 36.Rxd8+ Kg7 37.g3 Kf6 38.Re8 h5 39.Re6+ Kg7 40.Rb6 Bc3 41.Rc6 h4 42.gxh4 Bd2 43.h5 Bxf4 44.h6+ Bxh6 45.Rc7+ Kf6 46.Rc6+ Kg7