rn2N2Q/pN1p4/2k2p1b/2pn2pp/1P5P/P3PNP1/R1P2P2/4KB1R w K - 1 23
FEN state: rn2N2Q/pN1p4/2k2p1b/2pn2pp/1P5P/P3PNP1/R1P2P2/4KB1R w K - 1 23 ; Best move: b7a5
The current state of the chess board is: Black rook at a8, black knight at b8, white knight at e8 and white queen at h8. Black pawn at a7, white knight at b7 and black pawn at d7. Black king at c6, black pawn at f6 and black bishop at h6. Black pawn at c5, black knight at d5, black pawn at g5 and black pawn at h5. White pawn at b4 and white pawn at h4. White pawn at a3, white pawn at e3, white knight at f3 and white pawn at g3. White rook at a2, white pawn at c2 and white pawn at f2. 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 1. Full move number is 23. White to move.