r3qbn1/p2p1kr1/np3p1p/6p1/2PpPPP1/4B2P/2PNb3/R2QK2R w K - 4 19
FEN state: r3qbn1/p2p1kr1/np3p1p/6p1/2PpPPP1/4B2P/2PNb3/R2QK2R w K - 4 19 ; Best move: e1e2
The current state of the chess board is: Black rook at a8, black queen at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7, black king at f7 and black rook at g7. Black knight at a6, black pawn at b6, black pawn at f6 and black pawn at h6. Black pawn at g5. White pawn at c4, black pawn at d4, white pawn at e4, white pawn at f4 and white pawn at g4. White bishop at e3 and white pawn at h3. White pawn at c2, white knight at d2 and black bishop at e2. White rook at a1, white queen at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 19. White to move.