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Every Russian Schoolboy Knows: Rook and Knight vs. Rook - Part 2

Opening: D27, D47, E05:

Player(s): Kramnik, Kasparov, Gelfand, Lautier, Fominyh, Mohota

An extra piece usually means a clear win in the endgame. The attacker must, however, make sure he doesn't run out of pawns. The pawnless R+N vs R ending is a draw, but there are exceptions. 
Video 2 - Things get more interesting when we add a pawn to the strong side. Unlike in positions with a bishop as the extra piece, protecting that last pawn with a knight is not always automatic. The famous Kramnik-Kasparov endgame illustrates it well. The problem is in the nature of the knight as a short-range piece. In order to protect the last pawn it must stay close to it, and therefore it might itself become a target for attacks. Unless the king can join in and help, the situation may result in a "positional draw". The attacker must keep an open mind and look for possible transitions to a winning rook endgame. Such a strategy was correctly attempted in the two following examples, but ironically so, it was the attacker who failed to carry it through to the victory.

Teacher's library (540) D27 D47 E05 Kramnik Kasparov Gelfand Lautier Fominyh Mohota endgame

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