2b1k1nr/rppp1p2/2nb1qp1/p3p2p/1PP5/B1N3P1/P2PPPBP/R2QK1NR w KQk - 4 10
FEN state: 2b1k1nr/rppp1p2/2nb1qp1/p3p2p/1PP5/B1N3P1/P2PPPBP/R2QK1NR w KQk - 4 10 ; Best move: c3e4
The current state of the chess board is: Black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at f7. Black knight at c6, black bishop at d6, black queen at f6 and black pawn at g6. Black pawn at a5, black pawn at e5 and black pawn at h5. White pawn at b4 and white pawn at c4. White bishop at a3, white knight at c3 and white pawn at g3. White pawn at a2, white pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 4. Full move number is 10. White to move.