rn3br1/pp1k3p/3p3P/2p1ppP1/1P2q3/2NP2Qb/P1P1NP2/1RB1K2R b K - 1 20
FEN state: rn3br1/pp1k3p/3p3P/2p1ppP1/1P2q3/2NP2Qb/P1P1NP2/1RB1K2R b K - 1 20 ; Best move: e4h1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black king at d7 and black pawn at h7. Black pawn at d6 and white pawn at h6. Black pawn at c5, black pawn at e5, black pawn at f5 and white pawn at g5. White pawn at b4 and black queen at e4. White knight at c3, white pawn at d3, white queen at g3 and black bishop at h3. White pawn at a2, white pawn at c2, white knight at e2 and white pawn at f2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.