rnb1k1n1/1ppp1ppr/4p2p/p7/P3B2P/bqP1P1N1/1R1P1PP1/3Q2KR w q - 0 17
FEN state: rnb1k1n1/1ppp1ppr/4p2p/p7/P3B2P/bqP1P1N1/1R1P1PP1/3Q2KR w q - 0 17 ; Best move: b2b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at e6 and black pawn at h6. Black pawn at a5. White pawn at a4, white bishop at e4 and white pawn at h4. Black bishop at a3, black queen at b3, white pawn at c3, white pawn at e3 and white knight at g3. White rook at b2, white pawn at d2, white pawn at f2 and white pawn at g2. White queen at d1, white king at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. White to move.