r1b1k1n1/p5p1/1pn1r3/2qp1p2/1PpP2pb/2P1P3/P4PKR/RNB3NB w q - 0 17
FEN state: r1b1k1n1/p5p1/1pn1r3/2qp1p2/1PpP2pb/2P1P3/P4PKR/RNB3NB w q - 0 17 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at a7 and black pawn at g7. Black pawn at b6, black knight at c6 and black rook at e6. Black queen at c5, black pawn at d5 and black pawn at f5. White pawn at b4, black pawn at c4, white pawn at d4, black pawn at g4 and black bishop at h4. White pawn at c3 and white pawn at e3. White pawn at a2, white pawn at f2, white king at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white bishop at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. White to move.