1rb1k1nr/4p2p/nN6/Ppp2pp1/P5P1/2pPBP1N/4P2P/Q3KB1R w k - 0 18
FEN state: 1rb1k1nr/4p2p/nN6/Ppp2pp1/P5P1/2pPBP1N/4P2P/Q3KB1R w k - 0 18 ; Best move: a1c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at e7 and black pawn at h7. Black knight at a6 and white knight at b6. White pawn at a5, black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at a4 and white pawn at g4. Black pawn at c3, white pawn at d3, white bishop at e3, white pawn at f3 and white knight at h3. White pawn at e2 and white pawn at h2. White queen at a1, white king at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.