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AlphaZero (Computer) vs Stockfish (Computer)
AlphaZero - Stockfish Match (2018), London ENG, Jan-18
English Opening: Anglo-Indian Defense. Nimzo-English Opening (A17)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Dec-17-18  WorstPlayerEver: "Well.. A0 simply would have played (edit 17... Qh1+ 18.) K to d2.."

At 4:18 in this video:

https://m.youtube.com/watch?v=nPexH...

Interesting.... how does Anna Rudolf (AKA Mrs. A0) KNOW what AO thinks? Considered she is analyzing a game...

Anyone???

Dec-17-18  WorstPlayerEver: Funny, take a look at this (17. Rg3):


click for larger view

Now 'SF8' plays 17... f5, a move which is considered as being 'logical' by Anna.

This is weird, because f7-f5 is obviously the root of all coming evil for Black. A human should avoid that move as the plague here IMO.

Logical, in a human sense, would be 17... Qh4 and 'trying to get the hell out of there ASAP..' Maybe it's me.

Gee, I wonder what C$C would do in such case..

Dec-17-18
Premium Chessgames Member
  AylerKupp: <WorstPlayerEver> Perhaps the Stockfish developers should consider adding a "get the hell out of there ASAP" factor with a high weight to its evaluation function. :-)
Dec-17-18  WorstPlayerEver: <Aylerkupp>

Look at Anna's facial expression after she said "very logical" at 4:35 in the video (when playing 17... f5).

She seems not to look very happy. I wonder why...

Dec-17-18
Premium Chessgames Member
  keypusher: Note to <worstplayerever>: If you think the games are fixed, just say so. The hints and insinuations make you look like a complete idiot.
Dec-17-18
Premium Chessgames Member
  WannaBe: Think I'll turn down the volume and simply look at Anna. =))
Dec-17-18  WorstPlayerEver: <keypusher>

Why thank you.

"Well.. A0 simply would have played K to d2."

Intriguing.

Dec-17-18
Premium Chessgames Member
  moronovich: <WorstPlayerEver>

Saw the same video today with simular reservations/questions as you. My feeling was that she perhaps was more mezmorized than natural was,because she knows the course of the game and the final result.Kind of starstruck perhaps. I may be wrong,but anyway it must be extremely difficult to comment on chess as this.Perhaps the highest level ever seen.

Dec-17-18  WorstPlayerEver: <moronovich>

It's most unlikely that these are her own words IMO. Usually a presenter is instructed. It's a job.

No coincedence either; she also states SF did not see 30. d5 coming, which is particularly weird because SF8 chessgames version 6 secs gives 30. d5 +0.08

Btw it was the first move I looked at, not that it says much, but to me it seems the most natural move.

Dec-17-18  WorstPlayerEver: PS the games are very interesting, that's what counts for me.
Dec-17-18
Premium Chessgames Member
  moronovich: <No coincedence either; she also states SF did not see 30. d5 coming, which is particularly weird because SF8 chessgames version 6 secs gives 30. d5 +0.08 Btw it was the first move I looked at, not that it says much, but to me it seems the most natural move.>

But to find(in advance) the follow up(providing it is correct)with Bd3 and f3 on Bg4 seems very difficult and to some degree,very counterintuitive. For the time beeing I have no conclusion,but it seems as Alpha Zero plays on another/higher level.And it remains to be seen how much(or little) humans can learn from its "playing style".

Dec-17-18  WorstPlayerEver: <moronovich>

Of course. Considered that this is only the beginning. What disturbs me, however, is the way AO is advertised by Google; if it is really that good, that seems unnecessary.

Dec-17-18
Premium Chessgames Member
  keypusher: <WorstPlayerEver: <moronovich> Of course. Considered that this is only the beginning. What disturbs me, however, is the way AO is advertised by Google; if it is really that good, that seems unnecessary.>

Explain. Clearly, concisely, and coherently, please.

Dec-17-18  The Kingfish: <keypusher: Note to <worstplayerever>: If you think the games are fixed, just say so. The hints and insinuations make you look like a complete idiot.>

+1

Dec-25-18
Premium Chessgames Member
  keypusher: This is probably the most mind-blowing of all the A0-SF games. Here are a couple more videos.

https://m.youtube.com/watch?v=bo5pl...

Saddler goes too fast but points out some amazing ideas, such as 36.....Re8 37.Rxe8 Nxe8 38.b6 Qf7 39.Ba6.

Dec-25-18
Premium Chessgames Member
  keypusher: And here is <adagmator>. He’s very funny (“overextend on the queen side, mess up your kingside, and you’ll have a very good game — that’s what A0 is teaching us”).

https://m.youtube.com/watch?v=wui0Y...

Jan-17-19
Premium Chessgames Member
  tpstar: https://youtu.be/iENQXIQ8wH0

[Fritz 10]: 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3 6. Qxc3 a5 7. b4 d6 [last book move] 8. e3 Ne4 [8 ... e5 9. d3 =] 9. Qc2 Ng5 10. b5 Nxf3+ 11. gxf3 Qf6 12. d4 Qxf3 13. Rg1 Nd7 14. Be2 Qf6 15. Bb2 Qh4 16. Rg4 Qxh2 17. Rg3 f5 18. 0-0-0 ["He knows no fear" - 18. Bf1 Qh5 =] Rf7 [18 ... Qxf2!? 19. Rdg1 Rf7 ⩱] 19. Bf3 [=] Qh4 20. Rh1 Qf6 [20 ... Qe7 21. e4 g6 22. Rgg1 =] 21. Kb1 g6 22. Rgg1 [22. Be2 Qe7 ⩲] a4 [22 ... Qe7 23. e4 =] 23. Ka1 [23. Rh6 Nb6 ⩲] Rg7 [23 ... Qe7 24. e4 ⩲] 24. e4 [24. Be2 Qe7 ⩲] f4 [24 ... fxe4 25. Bxe4 Rb8 26. f3 ⩲] 25. c5 Qe7 26. Rc1 Nf6 27. e5 dxe5 28. Rhe1 e4 29. Bxe4 Qf8 30. d5 [30. Qc4!? c6 31. b6 ±] exd5 [=] 31. Bd3 Bg4 32. f3 [32. Qd2 Re8 33. Qxf4 Rxe1 34. Rxe1 Rf7 =] Bd7 [32 ... Bh5!? ∓] 33. Qc3 [=] Nh5 34. Re5 c6 35. Rce1 Nf6 [Weaker is 35 ... cxb5 36. Rxh5 gxh5 37. Qxg7+ Qxg7 38. Bxg7 Kxg7 39. Re7+ Kf6 40. Rxd7 ⩲] 36. Qd4 [36. b6!? =] cxb5 [ ⩱] 37. Bb1 Bc6 38. Re6 Rf7 [38 ... Nh5 ∓] 39. Rg1 [ ⩲] Qg7 40. Qxf4 Re8 [40 ... Bd7!? would keep Black alive 41. Re5 Rff8 ⩲] 41. Rd6 [ ±] Nd7 42. Qc1 Rf6 43. f4 Qe7? [43 ... b4 44. axb4 a3 +-] 44. Rxf6 [+-] Nxf6 45. f5 Qe3 [45 ... Kg7 46. Bd4 b6 47. fxg6 +-] 46. fxg6 Qxc1 47. gxh7+ Kf7 48. Rxc1 Nxh7 49. Bxh7 Re3 50. Rd1 Ke8 51. Ka2 Bd7 [51 ... Rh3 52. Bg6+ Ke7 53. Re1+ Kd8 54. Bf6+ Kc7 55. Be5+ Kd8 56. Rf1 +-] 52. Bd4 [52. Bg8 Kd8 +-] Rh3 53. Bc2 Be6 54. Re1 Kd7 55. Kb2 Rf3 56. Re5 Rg3 57. Re3 Rg2 [57 ... Rg4 58. Kc3 +-] 58. Kc3 Rg4 [58 ... b4+ 59. axb4 a3 60. Ba4+ Ke7 61. Bb3 +-] 59. Rf3 [59. Rh3 Rf4 60. Rh7+ Kc6 +-] Ke8 60. Rf2 Rg3+ 61. Kb4 Rg4 62. Rd2 Bd7 63. Ka5 Rf4 64. Be5 Rf3 65. Rd3 Rf2 66. Bd1 Bc6 67. Kb6 1-0

Ah yes, the glory of using Fritz to analyze two other engines. =)

This is the second computer game to ever gain a spot in the Best Games contest, with the first being AlphaZero vs Stockfish, 2017 last year. In this Nimzo-English line, 8 ... e5 looks good for Black trying to capitalize on no Pd4 to contest the center. White casually sacrifices two Pawns on the Kingside and offers a third (18. 0-0-0 Qxf2) with compensation in the Two Bishops plus wide open lines against the Black King. After 20. Rh1 Qf6 things look grim for Black, yet White proceeds patiently with 23. Ka1 followed by relocating Rooks to c1 & e1. Interesting that Fritz prefers Black after the suggestions 32 ... Bh5!? and 38 ... Nh5 instead. 42. Qc1 is an amusing retreat with White's pieces clustered in the corner. The only clear error noted was 43 ... Qe7?, then I will let other analysts determine whether 48 ... Nxh7 was absolutely necessary.

Good game. =)

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