Leonard.Leonard Barden wrote: ...the suggestion is that the live feed stopped in round 8 at move 15, and before that Ivanov's moves correlated closely with Houdini, while from move 16 onwards they only correlated in the case of forced moves and captures.
I was hoping that Steve Collyer would answer that, but so far he hasn't.
Below is the full Batch Analyzer output for this game.
To understand the analysis is very easy.
Take the line 11... 0-0 { Bf5 -5 20 : 0-0 -5 20 : Rc8 0 20 : Qb6 0 19 }
On move 11 Black played 0-0. Houdini's 1st choice move was, however, 11...Bf5, scoring -5 at a depth of 20 ply. The player move is highlighted in bold, also scoring -5 at 20 ply. Houdini's 3rd choice was 11...Rc8 which scored 0 at 20 ply, and the engine's 4th choice move was ...Qb6, also scoring 0 but when analysis finished for that move the depth reached was 19.
[Event "19th Open A"]
[Site "Zadar"]
[Date "2012.12.21"]
[Round "8.1"]
[White "Borislav Ivanov"]
[Black "Borki Predojevic"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2227"]
[BlackElo "2600"]
[PlyCount "68"]
[Analysis "Houdini 1.5a x64 Hash:256 Time:30s Max Depth:20ply"]
{ Book Moves: }
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bg4 6. Ne5 Be6 7. Qd3 Nbd7
{ Analyzed: }
8. Nf3 { Nf3 5 20 : f4 -13 20 : Nxd7 -20 19 : Nc3 -23 19 }
8... Bg4 { Bg4 6 19 : Qc7 7 19 : Qb6 9 19 : Nb6 11 19 }
9. Nc3 { Nc3 7 18 : Bd2 -7 18 : h3 -8 18 : Bf4 -13 18 }
9... e6 { Qb6 1 19 : Qc7 1 19 : Qa5 7 19 : e6 10 18 }
10. g3 { e4 8 19 : h3 3 19 : Bf4 -1 18 : a3 -5 18 }
10... Be7 { Be7 -7 19 : h6 -4 19 : Bd6 -2 19 : Bb4 0 19 }
11. Bg2 { Bg2 -2 19 : h3 -10 19 : Qc2 -17 19 : a4 -17 19 }
11... 0-0 { Bf5 -5 20 : 0-0 -5 20 : Rc8 0 20 : Qb6 0 19 }
12. 0-0 { 0-0 -6 20 : Qc2 -22 20 : Qd2 -16 19 : Bf4 -17 19 }
12... Rc8 { Bf5 -8 18 : Qb6 2 17 : Bh5 4 17 : Rc8 12 17 }
13. Rd1 { Rd1 5 19 : Re1 0 18 : Qc2 0 18 : e4 -2 18 }
13... Qa5 { h6 8 20 : Bh5 8 19 : Nd5 13 19 : Qa5 16 19 }
14. Bd2 { h3 16 18 : Bd2 11 18 : Bf4 0 18 : Rb1 0 17 }
14... Rfd8 { h6 13 19 : Qb6 15 19 : Rcd8 21 19 : Bh5 17 18 }
15. h3 { h3 18 18 : Nh4 -2 18 : Rac1 -10 18 : Qc2 -11 18 }
15... Bh5 { Bh5 5 19 : Bxf3 25 19 : Bf5 47 18 : Nc5 222 18 }
16. Qc4 { e4 15 19 : g4 13 19 : a3 -1 19 : Rac1 0 18 }
16... b5 { b5 -22 18 : Qb6 -9 18 : Bg6 -8 18 : h6 -5 18 }
17. Qb3 { Qd3 -27 20 : Qb3 -39 20 : b4 -72 20 : Nd5 -199 20 }
17... Qb6 { b4 -31 19 : Qb6 -16 19 : Qa6 -15 19 : Qc7 10 18 }
18. g4 { Rac1 -20 19 : Bg5 -20 19 : a3 -21 19 : Bf4 -27 19 }
18... Bg6 { Bg6 -20 18 : Nxg4 155 18 : Bxg4 160 17 : e5 225 17 }
19. Bf4 { g5 -24 20 : a3 -28 19 : Bf4 -31 19 : Nh4 -32 19 }
19... a5 { h6 -22 20 : b4 -21 20 : a5 -21 20 : Nd5 -20 20 }
20. a3 { Nh4 -19 20 : a3 -36 20 : Ne5 -42 20 : Rdc1 -44 20 }
20... a4 { a4 -37 20 : Qa6 -27 20 : h6 -29 19 : Nd5 -21 19 }
21. Qa2 { Qa2 -38 19 : Nxa4 -288 19 : Bc7 -547 18 : Bd6 -852 18 }
21... Bc2 { Nd5 -43 20 : h5 -37 20 : c5 -33 20 : Bc2 -31 19 }
22. Rd2 { Rdc1 -36 20 : Rd2 -48 19 : Re1 -49 19 : Rf1 -59 19 }
22... Bb3 { Bb3 -54 20 : Nd5 -32 19 : Bg6 -28 19 : Be4 -8 19 }
23. Qb1 { Qb1 -52 20 : Nxa4 -444 20 : Bc7 -562 19 : g5 -607 19 }
23... c5 { Nd5 -52 19 : c5 -39 19 : h5 -37 19 : h6 -32 19 }
24. e3 { e4 -28 18 : Qe1 -37 18 : Be3 -40 18 : e3 -47 18 }
24... b4 { Nd5 -49 19 : h6 -38 18 : h5 -35 18 : Bc4 -32 18 }
25. axb4 { axb4 0 19 : dxc5 -55 19 : Ne2 -85 18 : Ne4 -108 18 }
25... Qxb4 { Qxb4 0 19 : cxb4 2 19 : c4 32 19 : cxd4 34 19 }
26. Ne5 { dxc5 0 18 : Bg5 -10 18 : e4 -24 18 : Na2 -25 18 }
26... Nxe5 { Nxe5 -76 18 : g5 -33 18 : Nd5 -20 17 : Qb6 45 17 }
27. Bxe5 { Bxe5 -76 18 : g5 -584 18 : Bh2 -571 17 : Re2 -572 17 }
27... Nd7 { Nd7 -94 19 : cxd4 -75 19 : Qa5 -49 18 : h5 -39 18 }
28. Bg3 { Qe1 -95 20 : Bh2 -104 20 : Bf4 -99 19 : Bg3 -101 19 }
28... Nb6 { Nb6 -104 18 : Nf6 -66 18 : h5 -33 18 : h6 -25 17 }
29. Qe4 { Bf4 -103 19 : Re2 -126 19 : Be5 -119 18 : Be4 -128 18 }
29... Nc4 { Nc4 -302 20 : a3 -155 20 : Qa5 -104 19 : cxd4 -78 19 }
30. Re2 { Re2 -299 18 : Rdd1 -510 18 : Qd3 -628 18 : Rd3 -655 18 }
30... cxd4 { cxd4 -312 19 : Nxb2 -206 18 : Bf6 -140 18 : Rd7 -120 18 }
31. exd4 { exd4 -316 18 : Na2 -621 18 : Nxa4 -655 17 : Qb7 -749 17 }
31... Nxb2 { Nxb2 -320 20 : a3 -247 19 : Rd7 -126 19 : Bf8 -123 19 }
32. Rxb2 { Na2 -319 19 : Nb5 -322 19 : Rxb2 -347 19 : Qb7 -414 19 }
32... Qxc3 { Qxc3 -357 19 : Rxc3 -322 19 : Rxd4 -164 19 : a3 -141 18 }
33. Qe2 { Qe2 -358 19 : Rab1 -550 19 : Rbb1 -551 19 : Qb1 -638 19 }
33... Qxd4 { a3 -363 20 : Qxd4 -359 19 : Bc4 -332 19 : Bf6 -310 19 }
34. Be5 { Rbb1 -364 20 : Be5 -384 19 : Rab1 -436 19 : Re1 -469 19 }
34... Qd3 { Qc4 -383 18 : Qb4 -375 18 : Qc5 -331 18 : Qd3 -314 18 }
0-1
{ Game Summary }
{ White: Borislav Ivanov }
{ Top 1 Match: 13/27 ( 48.1% )
{ Top 2 Match: 18/27 ( 66.7% )
{ Top 3 Match: 20/27 ( 74.1% )
{ Top 4 Match: 22/27 ( 81.5% )
{ Black: Borki Predojevic }
{ Top 1 Match: 15/27 ( 55.6% )
{ Top 2 Match: 19/27 ( 70.4% )
{ Top 3 Match: 20/27 ( 74.1% )
{ Top 4 Match: 25/27 ( 92.6% )