| So, after each move some pieces are attracted while others are repelled.
figure.diagram-container
- .diagram2
+ .diagram.diag12
| fen:3b4/8/3K4/q1R2rP1/3Q4/8/3b4/8:
- .diagram2
+ .diagram.diag22
| fen:3b4/8/3K4/qR1Qr1P1/3b4/8/8/8:
figcaption Left: before white move Qd5. Right: after this move.