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Charles Jaffe vs David Janowski
Jaffe - Janowski (1917/18), New York, NY USA, rd 3, Nov-15
Indian Game: Wade-Tartakower Defense (A46)  ·  0-1

ANALYSIS [x]

FEN COPIED

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sac: 49...Nxa3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Jan-05-22
Premium Chessgames Member
  Messiah: 49...Nxa3!! is a stunning move, regardless of whether I lose my ability to submit kibitzes because of mentioning it or not.
Jan-05-22
Premium Chessgames Member
  fredthebear: Stockfish says 53.Ne5 should win for White. 54.Bc2 needed to be played.

1) +3.97 (29 ply) 53.Ne5 bxc3 54.Bc2 Qb4 55.Nxg6 a3 56.Ne5 a2 57.g6 Qa3 58.g7 a1=Q 59.g8=Q+ Kc7 60.Qf2 Qe7 61.Qe3 Bc8 62.Nf3 Qb2 63.Qe5+ Kb7 64.Ne1 Qc7 65.Qxc7+ Kxc7 66.Qf7+ Kb8 67.Qe7 Qb7 68.Qd6+ Qc7 69.Qb4+ Qb7 70.Qxc3 Qc7 71.Qd2 Ba6 72.Nf3 Kb7 73.Kf2 Ka8 74.Ne5

Jan-05-22
Premium Chessgames Member
  Messiah: In this case I totally misjudged the position, thank you for the correction.
Jan-05-22
Premium Chessgames Member
  fredthebear: White was better after 48.Nh2 (material is the same, but Black's bishop and kingside is worse). The coming Ne5 will be a pain to deal with in the middle of the board, so Black has to try something before getting ground down. The knight sacrifice gives Black the initiative. The idea to "do something" instead of sitting back and waiting is worthwhile. Black "created complications" for both colors! Both screwed up the 54th ply.

54.Qb2 instead threatens promotion and gets the minor piece back or exchanges queens, making matters equal. That move seemed obvious to me.

It is White that makes the decisive blunder 56.Bc2? (it's too late now) and Black goes on to win by swapping queens, and sacrificing a pawn to promote the other.

So, in the big picture, that <49...Nxa3!!> generated the winning plan for Black even if it wasn't sound by the computer's standards. Black played to win!

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