rbb1k2r/3pq2p/1Pp2p2/p2npnp1/Q3P1PP/1P1P1P2/P2NN1B1/R1B2KR1 b kq - 0 18
FEN state: rbb1k2r/3pq2p/1Pp2p2/p2npnp1/Q3P1PP/1P1P1P2/P2NN1B1/R1B2KR1 b kq - 0 18 ; Best move: d5b6
The current state of the chess board is: Black rook at a8, black bishop at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at d7, black queen at e7 and black pawn at h7. White pawn at b6, black pawn at c6 and black pawn at f6. Black pawn at a5, black knight at d5, black pawn at e5, black knight at f5 and black pawn at g5. White queen at a4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at b3, white pawn at d3 and white pawn at f3. White pawn at a2, white knight at d2, white knight at e2 and white bishop at g2. White rook at a1, white bishop at c1, white king at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. Black to move.