1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.h3 g6 5.Bd3 Bg7 6.Bc2 Nc6 7.O-O O-O
8.Re1 e5 9.a3 Ne8 10.b4 Nc7

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B50 Sicilian Defense: A closed game
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11.d3 b6 12.Nbd2 Kh8 13.Rb1 Ne6 14.Bb3 Rb8 15.Bd5 Qc7 16.b5 Ne7
17.Ba2 Nf4 18.Nc4 Be6 19.Ng5 Rbd8 20.Nxe6 fxe6

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Notice the Importance of Nakamura's Pawn Majority in the Center
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21.Ne3 d5 22.Qc2 c4 23.dxc4 d4 24.Nf1 d3 25.Qd1 Ne2+

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A Knight and a Passed Pawn
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26.Rxe2 dxe2 27.Qxe2 Ng8 28.a4 Rfe8 29.Bg5 Bf6 30.Be3 Be7
31.Nd2 Nf6 32.Rf1 Nd7 33.c5 Nxc5 34.Qc4 Rc8 35.Nf3 Bf6 36.Rc1 Qb7
37.Bb1 Red8 38.Qb4 Kg7 39.Rf1 Qc7 40.Ng5 h6 41.Nf3 Nd3 42.Qb3 Qc4
43.Qxc4 Rxc4 44.a5 Nc5 45.Rc1 Na4 46.axb6 axb6 47.Bd2 Nxc3 48.Bxc3

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Exploiting a Pin: What is black's next move?
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Rdc8 49.Rd1 Rxc3 50.Rd7+ Kf8 51.Ba2 Rd8 52.Bxe6 Rxd7 53.Bxd7 Ke7 54.Bc6 Bg7
55.Kf1 Kf6 56.Ne1 Bf8 57.Ke2

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Activate Kings in the Endgame
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Bb4 58.h4 Rc1 59.Nd3 Rc2+ 60.Kf3 Bc3 61.g3 Bd4 62.Bd5 Rd2 63.Bc4 h5 64.Kg2 Rc2
65.Bd5 Rc3 66.Ne1 Rc5 67.Bc6 Rc1 68.Nd3 Rd1 69.Nb4
Rd2 70.Nd5+ Kg7 71.g4 hxg4 72.Kg3 Bxf2+ 73.Kxg4 Rd3

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Can you find mate in two if white moves 74. h5?
Can you find mate in three?
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