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Basketball Systems, Skills & Drills
 

Defence
Diamond and 1


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1
In a diamond and 1, the bottom player can cover the corners as in a 1-3-1, or keep him inside and cover the corners with the wings. Both versions are shown.

Defender 3 guards opposing match-up O2 man-to-man, denying passes. The point of the diamond always points to the ball, helps defend penetration if O2 gets the ball, and double-teams O2 in scoring range.

If the match-up uses an off-ball screen, defender 3 trails the cutter, and a diamond player extends the screen and bumps the cutter (the diamond can help on a curl but not a fade).

Trap if the match-up uses a ballscreen (or optionally shock).

See Defence - Triangle and 2.

sketch
2
1) Extended 1-3-1 slides

Slides of the diamond are based on an extended 1-3-1, taking out point defender 3.

X5 covers slot-to-slot along the 3-point line, X2 and X4 cover the wings (take first pass, or switch with X5 on a dribble entry), X1 runs the baseline.

See Defences - Extended 1-3-1 basics.

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3
X2 takes the ball on the wing (and stays with the ball if 3 dribbles to the corner, and back out), partner X4 has weakside, X5 has high post, X1 has low post.

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4
X4 takes a skip pass, X2 covers weakside, X5 has high post, X1 has low post.

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5
X1 takes a pass to the corner, X5 covers low post, X4 has high post (not a soft trap or trap).

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6
X4 would bump X1 back if 1 dribbles out of the corner.

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7
2) Keep X5 inside

X5 stays inside, between the ball and the basket (does not run the baseline), X1-X2-X4 cover the perimeter.

X1 takes the ball above the foul-line extended, X2 and X4 cover the wings down to the corners.

Try to force the ball away from the match-up.

This diamond and 1 can also be used to double-team a dominant post player, optionally with X4 denying and X3 in the diamond. With the ball out top, X1 could sag to help on the high post.


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8
X2 takes the ball on the wing, partner X4 has weakside, X1 has high post, X5 has low post.

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9
X2 would follow a pass (or dribble) to the corner, and force baseline.

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10
X4 covers a skip pass (X1 could bump him), X2 covers weakside, X1 has high post, X5 has low post.

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11
X4 follows a pass to the corner.

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