r1b2br1/pp3p2/1Qppk1p1/1Nn1P2p/4P2P/1PP4R/P2P2Pn/RBB1K1N1 w Q - 0 17
FEN state: r1b2br1/pp3p2/1Qppk1p1/1Nn1P2p/4P2P/1PP4R/P2P2Pn/RBB1K1N1 w Q - 0 17 ; Best move: b6c7
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7 and black pawn at f7. White queen at b6, black pawn at c6, black pawn at d6, black king at e6 and black pawn at g6. White knight at b5, black knight at c5, white pawn at e5 and black pawn at h5. White pawn at e4 and white pawn at h4. White pawn at b3, white pawn at c3 and white rook at h3. White pawn at a2, white pawn at d2, white pawn at g2 and black knight at h2. White rook at a1, white bishop at b1, white bishop at c1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 17. White to move.