rn3bnr/3kp3/3Nbppp/ppp3B1/2pP1P2/P5PB/1P2P2P/RN1QK2R b Q - 1 21
FEN state: rn3bnr/3kp3/3Nbppp/ppp3B1/2pP1P2/P5PB/1P2P2P/RN1QK2R b Q - 1 21 ; Best move: e6h3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black king at d7 and black pawn at e7. White knight at d6, black bishop at e6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at c5 and white bishop at g5. Black pawn at c4, white pawn at d4 and white pawn at f4. White pawn at a3, white pawn at g3 and white bishop at h3. White pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 1. Full move number is 21. Black to move.