r1bk1bqr/p2p1pp1/n1p4p/1p5n/4P1PP/P1KPp2R/1PPB4/R2Q1BN1 b - - 1 17
FEN state: r1bk1bqr/p2p1pp1/n1p4p/1p5n/4P1PP/P1KPp2R/1PPB4/R2Q1BN1 b - - 1 17 ; Best move: b5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8, black queen at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at c6 and black pawn at h6. Black pawn at b5 and black knight at h5. White pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3, white king at c3, white pawn at d3, black pawn at e3 and white rook at h3. White pawn at b2, white pawn at c2 and white bishop at d2. White rook at a1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 17. Black to move.