Annotated Chess Game 11850365 by moonbus

Annotated Chess Game 11850365 by moonbus

Annotated Games

A04 Reti Opening

  • 19... Be6f7 20. Ra1d1 h6
    This is an unnecessary weakening of Black's king-position.
    • 21. f5
      White immediately takes advantage of the weakened white squares near the Black king. The Black knight will jump to e5, but it won't stay there long.
      • 21... Ng6e5 22. Nd2f3 Ra8e8 23. Rd1d2
        White prepares to double the rooks and trade off Black's rook on the back rank. Exchanges of heavy pieces accentuate White's rook vs knight material advantage and thereby also improve White's end game prospects.
        • 23... Qf8c5 24. Qc3xc5 Na6xc5 25. Nf3xe5
          It was necessary to eliminate Black's well-posted knight.
          • 25... fxe5 26. Rf1d1 a5
            Black sets about provoking holes in White's pawn structure in order to gain posts for his minor pieces.
            • 27. Rd2d8 Kg8f8 28. Rd8xe8 Kf8xe8
              Positional assessment: White has now achieved a reduction of material which might be sufficient to win the end game, theoretically. But there is much practical work to be done yet to get there. White has only one file for the rook, and Black has effectively covered most of it: d8, d7, d5, d4, and d3 are off limits to the rook. So the White rook is hardly compensation for the Black knight right now, especially as Black is pressing on the queen-side already; if Black can get his knight to b4, for example, he might even level the game. Furthermore, the White bishop is in a sorry state, entombed behind White's own center pawns. Therefore, the following plan suggests itself: 1) make a second file available to the rook, and 2) get the bishop out from behind the White center pawns.
              • 29. Bg2f3
                This serves two purposes: it starts to clear the g-file for later occupation by the rook, and it prevents the Black bishop from commanding the d1-h5 diagonal.
                • 29... Ke8e7
                  Holding d6 from encroachment by the rook.
                  • 30. Kg1f2
                    Clearing the g-file for the rook.
                    • 30... a4 31. b4
                      Sharp play by Black, and a difficult decision for White: White cannot allow ... a3, for then Black maneuvers his knight to b4, and White is doomed to a tedious defence of the queen-side pawns. Exchanging b3xa4 is out of the question, as it shatters White's queen-side. However, the push b3-b4 yields up valuable property to the Black bishop. I chose the lesser of three evils.
                        Game started
                        24 Aug '16
                        Last move
                        05 Feb '17
                        Game Lost
                        Created
                        11 Feb '17
                        Updated
                        11 Dec '18
                        Comments
                        0
                        Annotation Id
                        5119

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