rn2k1br/2pqn3/2p3pp/p2pp1p1/Pb2PP2/2P5/3P2PP/RNB1K1NR w Kkq - 1 18
FEN state: rn2k1br/2pqn3/2p3pp/p2pp1p1/Pb2PP2/2P5/3P2PP/RNB1K1NR w Kkq - 1 18 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at g8 and black rook at h8. Black pawn at c7, black queen at d7 and black knight at e7. Black pawn at c6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at d5, black pawn at e5 and black pawn at g5. White pawn at a4, black bishop at b4, white pawn at e4 and white pawn at f4. White pawn at c3. White pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 18. White to move.