1r2kbnr/1p2pp1p/2pp2p1/q7/1n5P/2P2PPR/PPNPP1B1/1RBK2N1 w k - 0 18
FEN state: 1r2kbnr/1p2pp1p/2pp2p1/q7/1n5P/2P2PPR/PPNPP1B1/1RBK2N1 w k - 0 18 ; Best move: c3b4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black pawn at g6. Black queen at a5. Black knight at b4 and white pawn at h4. White pawn at c3, white pawn at f3, white pawn at g3 and white rook at h3. White pawn at a2, white pawn at b2, white knight at c2, white pawn at d2, white pawn at e2 and white bishop at g2. White rook at b1, white bishop at c1, white king at d1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.