2b1kbn1/r1p1Np2/5q1r/pp5p/P2p2P1/4P2P/1PPPB3/2nQK1NR w K - 0 21
FEN state: 2b1kbn1/r1p1Np2/5q1r/pp5p/P2p2P1/4P2P/1PPPB3/2nQK1NR w K - 0 21 ; Best move: e7g8
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black rook at a7, black pawn at c7, white knight at e7 and black pawn at f7. Black queen at f6 and black rook at h6. Black pawn at a5, black pawn at b5 and black pawn at h5. White pawn at a4, black pawn at d4 and white pawn at g4. White pawn at e3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at d2 and white bishop at e2. Black knight at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 21. White to move.