rn3bnr/1p1kp3/p2p1ppp/Qq2P3/2BP3P/1P4P1/P1PB1P1N/RN1bK1R1 b Q - 0 17
FEN state: rn3bnr/1p1kp3/p2p1ppp/Qq2P3/2BP3P/1P4P1/P1PB1P1N/RN1bK1R1 b Q - 0 17 ; Best move: b5a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black king at d7 and black pawn at e7. Black pawn at a6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. White queen at a5, black queen at b5 and white pawn at e5. White bishop at c4, white pawn at d4 and white pawn at h4. White pawn at b3 and white pawn at g3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at f2 and white knight at h2. White rook at a1, white knight at b1, black bishop at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.