r3kb1N/1bn3pp/p1ppp3/5p2/2p1P1n1/BP4q1/P2P1P2/1NR1KB1R w q - 2 20
FEN state: r3kb1N/1bn3pp/p1ppp3/5p2/2p1P1n1/BP4q1/P2P1P2/1NR1KB1R w q - 2 20 ; Best move: f2g3
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and white knight at h8. Black bishop at b7, black knight at c7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at d6 and black pawn at e6. Black pawn at f5. Black pawn at c4, white pawn at e4 and black knight at g4. White bishop at a3, white pawn at b3 and black queen at g3. White pawn at a2, white pawn at d2 and white pawn at f2. White knight at b1, white rook at c1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 20. White to move.