r1bk1b1r/pppq3p/3p1ppn/4p3/3n1P2/1P6/P1PPP1PP/BNRQKBNR w K - 1 10
FEN state: r1bk1b1r/pppq3p/3p1ppn/4p3/3n1P2/1P6/P1PPP1PP/BNRQKBNR w K - 1 10 ; Best move: e2e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at d7 and black pawn at h7. Black pawn at d6, black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at e5. Black knight at d4 and white pawn at f4. White pawn at b3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White bishop at a1, white knight at b1, white rook at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 10. White to move.