1rb1kqnr/p6p/npp2Pp1/3p2P1/2PP1N2/1P6/R4PBP/1N1QK2R w k - 5 23
FEN state: 1rb1kqnr/p6p/npp2Pp1/3p2P1/2PP1N2/1P6/R4PBP/1N1QK2R w k - 5 23 ; Best move: d1e2
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black queen at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6, white pawn at f6 and black pawn at g6. Black pawn at d5 and white pawn at g5. White pawn at c4, white pawn at d4 and white knight at f4. White pawn at b3. White rook at a2, white pawn at f2, white bishop at g2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1 and white rook at h1. Black kingside is the only castle move available. Half move number is 5. Full move number is 23. White to move.