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Sam Shankland vs Daniel Naroditsky
United States Championship (2021), St. Louis, MO USA, rd 10, Oct-17
Nimzo-Indian Defense: Three Knights Variation (E21)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Oct-17-21
Premium Chessgames Member
  HeMateMe: The Shank! Nice endgame technique. Im surprised DN didnt play on a bit. Not sure how white can jam his exra pawn home, in an opposite bishops ending. Black can always give up his bishop for the final pawn on the board.
Oct-18-21  cormier: SF 10 Depth 35

+1.68 43....Rg8+ 44.Kh3 Rh8 45.f3 Ke5 46.Rc2 Kd6 47.Rb2 Rb8 48.Rd2 Rh8 49.Kg4 Ke5 50.f4+ Kd6 51.Rb2 Bc5

Oct-18-21  cormier: SF 10 Depth 36

+1.84 43.Kg4 Rg8+ 44.Kh3 Rh8 45.f4 Kd5 46.Rc2 Kd6 47.Kg4 Bb6 48.Rb2 Kc7 49.Ra2 Ba7 50.Rc2+ Kd6 51.Rb2

Oct-18-21  cormier: SF 10 Depth 38

+1.35 42....Rg8 43.Ra2 Kc5 44.Rb2 Rb8 45.Rc2+ Kd6 46.Kg4 Rb1 47.Rd2 Rg1 48.f4 Rh1 49.Rb2 Bc5 50.Rb7 Rg1

Oct-18-21  cormier: SF 10 Depth 39

+1.27 42.Kf3 Rg8 43.Ra2 Kc5 44.Rb2 Rb8 45.Rc2+ Kd6 46.Kg4 Rb1 47.Rd2 Rg1 48.f4 Rh1 49.Rb2 Bc5 50.Bc4

Oct-18-21  cormier: SF 10 Depth 35

+0.67 41....Rb3 42.Ra2 h4 43.Bc4 Rb8 44.Kf3 Rc8 45.Bd3 Rc3 46.Rd2 Kc5 47.Kg4 Rc1 48.Kxh4 Kb4 49.Be4 Ra1

Oct-18-21  cormier: SF 10 Depth 42

+0.80 41....Rb4 42.Ra2 h4 43.Kf3 Rb3 44.Rd2 Kc5 45.Ke4 Ra3 46.f4 Ra5 47.f5 Kd6 48.Rb2 Re5+ 49.Kf4 Re3

Oct-18-21  cormier: SF 10 Depth 40
+0.37 40....Ra4 41.Bd3 Ra3 42.Kf3 Ke5 43.Kg3 f5 44.Kh4 Kf6 45.g3 Bc5 46.Be2 f4 47.g4 hxg4 48.Kxg4 Ke5
Oct-18-21  cormier: SF 10 Depth 41
+0.59 40.Ra2 h6 41.g3 Kc7 42.Kd1 Rb3 43.Kc2 Rb6 44.Kd2 Rf6 45.Ke2 Re6+ 46.Kf3 Rc6 47.Be4 Rb6 48.Ke2
Oct-18-21  cormier: SF 10 Depth 41
+0.55 39....gxh5 40.Ra2 h6 41.g3 f6 42.f4 Rb8 43.Ra5 Bc5 44.Bg6 Rb2+ 45.Kd1 Rg2 46.Be4 Rxg3 47.a7 Bxa7
Oct-18-21  kevinatcausa: It looks like Shankland can trade pawns with g4, at which point sooner or later Shankland sooner or later can force a trade of a bishop for one of his passed pawns. The d pawn falls, and the bishop's the right color if Shankland's remaining pawn is the a pawn.
Oct-18-21
Premium Chessgames Member
  HeMateMe: I keep thinking that DNs Bishop can just shuttle, block the passed pawn on the a file. Because his Bishop can make the safe moves black's king can continue to block white's other passed pawn on the kingside. You can move the opposing king with a Rook, but not with a Bishop?
Oct-18-21  cormier: SF 10 Depth 38
+0.62 39.g4 Ra4 40.Kf3 Ra5 41.Ke4 f5+ 42.gxf5 gxf5+ 43.Kf4 h6 44.Rb2 Ra3 45.Bb5 d3 46.Kxf5 Bd4 47.Rd2
Oct-18-21  cormier: SF 10 Depth 37
+0.44 38....Ra3 39.Rb2 Bc5 40.g4 h6 41.Rb7 Ra2+ 42.Kf1 f6 43.Rb3 Kd5 44.Rb8 Ra1+ 45.Ke2 Ra2+ 46.Kf3 Ra3
Oct-18-21  cormier: SF 10 Depth 36
+0.88 38.Ra2 Rb4 39.g4 f6 40.h4 Rb8 41.Rd2 Rc8 42.Rb2 Rb8 43.Ra2 Kc6 44.Rd2 Rb3 45.Rc2+ Kd6 46.g5
Oct-18-21  kevinatcausa: You can move the King as long as it's not on the rook file with the wrong-colored bishop.

The position White is aiming for is to have the pawn on f7 guarded by the bishop, with his king moving to e6/g6 while black's king is on f8. This forces black's king up the other side, letting white into e7/g7.

Oct-18-21  cormier: SF 10 Depth 41
+0.62 37....Ra3 38.g4 Bc5 39.h4 Kd5 40.h5 h6 41.Rc2 f6 42.Rb2 Ke5 43.Rb5 Kd5 44.Rb7 Ra2+ 45.Kd1 Ra3
Oct-18-21  cormier: SF 10 Depth 40
+0.51 37.g4 Rb2+ 38.Kf3 h6 39.h4 Ra2 40.Rb1 Rd2 41.Rb3 g5 42.h5 f6 43.Bf1 d3 44.Rxd3+ Rxd3+ 45.Bxd3

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