2b2knr/1p1p2p1/2nP3p/5p2/rPN1pP2/p1q3PP/P1PNP3/R2QKBR1 w Q - 3 21
FEN state: 2b2knr/1p1p2p1/2nP3p/5p2/rPN1pP2/p1q3PP/P1PNP3/R2QKBR1 w Q - 3 21 ; Best move: e1f2
The current state of the chess board is: Black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at g7. Black knight at c6, white pawn at d6 and black pawn at h6. Black pawn at f5. Black rook at a4, white pawn at b4, white knight at c4, black pawn at e4 and white pawn at f4. Black pawn at a3, black queen at c3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white knight at d2 and white pawn at e2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 21. White to move.