1nbb2Nr/rppp2pp/2N5/p4pk1/3P2n1/P3Pp2/1qPBQ1PP/1R2KB1R w K - 10 23
FEN state: 1nbb2Nr/rppp2pp/2N5/p4pk1/3P2n1/P3Pp2/1qPBQ1PP/1R2KB1R w K - 10 23 ; Best move: e2d1
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at d8, white knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. White knight at c6. Black pawn at a5, black pawn at f5 and black king at g5. White pawn at d4 and black knight at g4. White pawn at a3, white pawn at e3 and black pawn at f3. Black queen at b2, white pawn at c2, white bishop at d2, white queen at e2, white pawn at g2 and white pawn at h2. White rook at b1, 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 10. Full move number is 23. White to move.