r1b1k1nr/pppqn2p/3p1p2/4pPp1/4P3/N1b4N/PPPPB1PP/R1BQ1K1R w kq - 4 10
FEN state: r1b1k1nr/pppqn2p/3p1p2/4pPp1/4P3/N1b4N/PPPPB1PP/R1BQ1K1R w kq - 4 10 ; Best move: b2c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at d7, black knight at e7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at e5, white pawn at f5 and black pawn at g5. White pawn at e4. White knight at a3, black bishop at c3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white bishop at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 10. White to move.