1rb1kb1r/pp3pp1/3p1n1p/q1p1p3/1n4PP/PP3P2/2PPPKBR/RNBQ2N1 w k - 0 10
FEN state: 1rb1kb1r/pp3pp1/3p1n1p/q1p1p3/1n4PP/PP3P2/2PPPKBR/RNBQ2N1 w k - 0 10 ; Best move: c2c4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at g7. Black pawn at d6, black knight at f6 and black pawn at h6. Black queen at a5, black pawn at c5 and black pawn at e5. Black knight at b4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at b3 and white pawn at f3. White pawn at c2, white pawn at d2, white pawn at e2, white king at f2, white bishop at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.