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Alexander Ivanov vs Deep Thought (Computer)
Pittsburgh (1988), Pittsburgh, PA USA, rd 5
Scandinavian Defense: Main Lines (B01)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Sep-07-07  RookFile: This was an interesting game. It wasn't obvious that white would win, but Ivanov saw deeply into the position.
Sep-26-09  tivrfoa: <RookFile> I agree. Very interesting, because white has an excellent end game. Black isolated pawn is useless.

If 33. ... axb3, then 34. a4! and black king can't reach.

Sep-26-09  WhiteRook48: black should not have taken on c1 with check
Sep-27-09  tivrfoa: <WhiteRook48: black should not have taken on c1 with check> it was forced, otherwise he would lose the rook or be checkmated.
Dec-29-14  rwbean: 27... a4 appears to be the fatal error, 27... ♖cb8 seems to be about even (Komodo 8) because of the threat of ♘xb3. Hence Komodo recommended 27. ♔d1 to avoid that.

In Hsu's notes he wrote "[Ivanov] went into deep thought [heh!] over a position that looked quite dangerous for Deep Thought. It appeared to me that Alexander could unleash a very strong attack on Deep Thought's king. To my surprise, Alexander played a move that seemed to release all the tension in the position."

Perhaps it's referring to 16. Qg3 where Komodo prefers 16. h4.

Jul-01-20  rwbean: Stockfish: 16. h4 +1.45 (46 ply, 15 minutes) and it flips between ♗d3 and h4 quite a bit.

if 27... ♖cb8 then 28. ♔a1 (+1.16, 41 ply)

40. Kd2 mate in 22

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