r5r1/n1qppkb1/b5pp/pp1n2p1/PP3P2/2PPP1P1/4N2P/R2QKB1R b Q - 2 20
FEN state: r5r1/n1qppkb1/b5pp/pp1n2p1/PP3P2/2PPP1P1/4N2P/R2QKB1R b Q - 2 20 ; Best move: g7c3
The current state of the chess board is: Black rook at a8 and black rook at g8. Black knight at a7, black queen at c7, black pawn at d7, black pawn at e7, black king at f7 and black bishop at g7. Black bishop at a6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at b5, black knight at d5 and black pawn at g5. White pawn at a4, white pawn at b4 and white pawn at f4. White pawn at c3, white pawn at d3, white pawn at e3 and white pawn at g3. White knight at e2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.