rnbk1b1r/1ppp2pp/p3p2n/2P1q1N1/3PPpP1/8/PP1N1P1P/1RBQKB1R w K - 0 10
FEN state: rnbk1b1r/1ppp2pp/p3p2n/2P1q1N1/3PPpP1/8/PP1N1P1P/1RBQKB1R w K - 0 10 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at e6 and black knight at h6. White pawn at c5, black queen at e5 and white knight at g5. White pawn at d4, white pawn at e4, black pawn at f4 and white pawn at g4. White pawn at a2, white pawn at b2, white knight at d2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.